CN215114909U - Be used for large-scale pit resistance furnace temperature homogeneity test jig - Google Patents
Be used for large-scale pit resistance furnace temperature homogeneity test jig Download PDFInfo
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- CN215114909U CN215114909U CN202120847267.XU CN202120847267U CN215114909U CN 215114909 U CN215114909 U CN 215114909U CN 202120847267 U CN202120847267 U CN 202120847267U CN 215114909 U CN215114909 U CN 215114909U
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- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
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- 238000010438 heat treatment Methods 0.000 description 7
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Abstract
The invention provides a furnace temperature uniformity testing frame for a large-scale well type resistance furnace, which relates to the technical field of steel processing and comprises the following components: one end of the main rod is a hoisting end, and the main rod can be hoisted into the resistance furnace through the hoisting end; the plurality of the strut groups are distributed on the outer side wall of the main rod along the length direction of the main rod, and each strut group comprises a plurality of struts; the invention discloses a furnace temperature uniformity testing frame for a large-scale well-type resistance furnace, which reduces electromagnetic interference received when the furnace temperature is tested and reduces the difficulty of hoisting the testing frame into the resistance furnace, thereby improving the working efficiency and reducing the working strength.
Description
Technical Field
The invention relates to the technical field of steel processing, in particular to a furnace temperature uniformity testing frame for a large well-type resistance furnace.
Background
In order to improve the quality of special steel products, special heat treatment can be carried out on some special steels by special metallurgical steel enterprises, and a pit-type resistance furnace is a special heat treatment furnace kiln. In order to ensure the heat treatment quality, the furnace temperature uniformity test of the heat treatment furnace needs to be carried out regularly, and only the furnace kiln with qualified furnace temperature uniformity test can be used for heat treatment production. The furnace temperature uniformity test of a large-scale shaft furnace (the depth exceeds 6 meters and the diameter exceeds 1.2 meters) is complex.
When the uniformity of the temperature of the shaft furnace is tested, the test galvanic couple is generally inserted from the outside of the furnace wall or is hung into the furnace by a hanging cage. In the former method, because the thermocouple is inserted into the furnace wall fully covered with the resistance heating band, the thermocouple is very close to the resistance heating band, so that the thermocouple signal is easily subjected to electromagnetic interference; the latter mode is used for manufacturing the cylindrical cage, the cost is high, in addition, when the cylindrical cage is hung in the shaft furnace, the cage is easy to touch the control recording couple inserted in the furnace wall, the damage of the control recording couple is easy to cause, and the hoisting difficulty is high
Disclosure of Invention
The invention aims to provide a furnace temperature uniformity testing frame for a large pit-type resistance furnace, which realizes more convenient and fast measurement of the furnace temperature of the resistance furnace.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a be used for large-scale well formula resistance furnace temperature homogeneity test jig, includes: one end of the main rod is a hoisting end, and the main rod can be hoisted into the resistance furnace through the hoisting end; a plurality of strut groups distributed on the outer side wall of the main rod along the length direction of the main rod, wherein each strut group comprises a plurality of struts; the temperature measuring assemblies are arranged on the support rods and the main rod and used for detecting the furnace temperature of the resistance furnace.
Further, in the above test rack for testing the furnace temperature uniformity of the large-scale shaft-type resistance furnace, one end of each of the support rods is connected with the main rod, each of the support rods is perpendicular to the main rod, all the support rods in each support rod group are located on the same plane, and included angles between every two adjacent support rods are the same.
Further, in the furnace temperature uniformity testing frame for the large-scale well type resistance furnace, when the support rod is positioned in the resistance furnace, the distance between the end part of the support rod and the inner wall of the resistance furnace is 100mm-300 mm.
Further, in the furnace temperature uniformity testing frame for the large-scale well type resistance furnace, the temperature measuring component comprises a thermocouple, and the measuring end of the thermocouple is connected to the other end of the support rod.
Further, in the above test rack for testing the furnace temperature uniformity of the large-scale shaft-type resistance furnace, each of the support rods is provided with at least one measuring end of the thermocouple, the distance between each measuring end of the thermocouple and the main rod is the same, the outer side wall of the main rod is uniformly provided with the measuring ends of the thermocouples, and the number of the thermocouples between every two adjacent support rod groups on the outer side wall of the main rod is at least 3.
Further, in the furnace temperature uniformity testing frame for the large-scale well-type resistance furnace, each rod group is provided with more than 3 rods.
Further, in the furnace temperature uniformity testing frame for the large-scale well type resistance furnace, the cold end of the thermocouple extends out of the resistance furnace along the outer surfaces of the branch rods and the outer surface of the main rod.
Furthermore, in the furnace temperature uniformity testing frame for the large-scale pit-type resistance furnace, the hoisting end is provided with a hoisting hole, and the main rod can be hoisted through the hoisting hole.
Further, in the furnace temperature uniformity testing frame for the large-scale well type resistance furnace, the diameter of the main rod is 95mm-105mm, the diameter of the branch rod is 45mm-55mm, the length of the main rod is 6000mm-8000mm, and the length of the branch rod is 400mm-800 mm.
Further, in the furnace temperature uniformity testing frame for the large-scale well type resistance furnace, the thermocouple is an armored thermocouple.
According to analysis, the invention discloses a furnace temperature uniformity testing frame for a large-scale pit-type resistance furnace, which reduces electromagnetic interference received when the furnace temperature is tested, and reduces the difficulty of hoisting the testing frame into the resistance furnace, thereby improving the working efficiency and reducing the working strength.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural front view of a furnace temperature uniformity testing jig for a large-scale well-type resistance furnace according to an embodiment of the invention.
Fig. 2 is a schematic top view of a structure of a furnace temperature uniformity testing jig for a large-scale well-type resistance furnace according to an embodiment of the invention.
FIG. 3 is a diagram of distribution of test point positions in a furnace for a furnace temperature uniformity testing jig of a large-scale well-type resistance furnace according to an embodiment of the present invention.
Description of reference numerals: 1, a main rod; 2 bars; 3, a thermocouple; 4, hanging holes.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," "third," and "fourth," etc. may be used interchangeably to distinguish one component from another and are not intended to indicate the position or importance of an individual component.
As shown in fig. 1 to 3, according to an embodiment of the present invention, there is provided a temperature uniformity testing jig for a large-scale well-type resistance furnace, including: one end of the main rod 1 is a hoisting end, and the main rod 1 can be hoisted into the resistance furnace through the hoisting end; a plurality of strut groups distributed on the outer side wall of the main rod 1 along the length direction of the main rod 1, wherein each strut group comprises a plurality of struts 2; and the plurality of temperature measuring components are arranged on the support rod 2 and the main rod 1 and are used for detecting the furnace temperature of the resistance furnace. In FIG. 3, the effective working area volume is greater than 0.085m3But less than 6.4m3The arrangement diagram of the TUS thermocouple (thermocouple 3) is that points A, B, C, D, E, F, G, H and I in the diagram are all the test point positions of the thermocouple 3 in the resistance furnace.
Preferably, one end of each of the support rods 2 is connected with the main rod 1, each of the support rods 2 is perpendicular to the main rod 1, all the support rods 2 in each support rod group are located on the same plane, the included angle between every two adjacent support rods 2 is the same, and the support rods 2 are connected with the main rod 1 in a welding manner.
Preferably, when the support rod 2 is positioned in the resistance furnace, the support rod 2 is not contacted with the inner cavity of the resistance furnace, the thermocouple 3 is arranged on the main rod 1 and the support rod 2 in the well, the thermocouple 3 is not contacted with the furnace wall of the resistance furnace, the distance between the end part of the support rod 2 and the inner wall of the resistance furnace is 100mm-300mm, such as 100mm, 150mm, 200mm, 250mm and 300mm, the distance can enable the thermocouple to well measure the temperature of the resistance furnace and is not contacted with the furnace wall of the resistance furnace, and the distance between the thermocouple 3 and the resistance zone of the furnace wall of the resistance furnace is far, so that the electromagnetic interference resistance effect is good.
Preferably, the thermometric assembly comprises a thermocouple 3, the measuring end of the thermocouple 3 being connected to the other end of the support bar 2, and preferably, the measuring end of the second thermocouple 3 is provided at the end of the support bar 2.
Preferably, each support bar 2 is provided with at least one measuring end of a thermocouple 3, the distance between the measuring end of each thermocouple 3 and the main bar 1 is the same, the outer side wall of the main bar 1 is uniformly provided with the measuring ends of the thermocouples 3, and the number of the thermocouples 3 between every two adjacent support bar groups on the outer side wall of the main bar 1 is at least 3.
Preferably, each set of struts has more than 3 struts 2, preferably 3 struts 2, and the included angle between each two struts 2 is 120 °.
Preferably, the cold end of the first thermocouple 3 protrudes from the resistance furnace along the outer surface of the main rod 1, and the cold end of the second thermocouple 3 protrudes from the resistance furnace along the outer surface of the branch rod 2 and the outer surface of the main rod 1.
Preferably, the hoisting end is provided with a hoisting hole 4, the main rod 1 can be hoisted through the hoisting hole 4, the overhead crane is convenient to hoist due to the fact that only one main rod 1 is arranged, and particularly when the overhead crane is hoisted into and out of the resistance furnace, the temperature control recording couple extending out of the furnace wall of the resistance furnace is not easy to collide with, and the overhead crane is safe and reliable.
Preferably, the diameter of the main rod 1 is 95mm-105mm, the diameter of the main rod 1 is preferably 95mm, 100mm, 105mm, the diameter of the branch rod 2 is 45mm-55mm, the diameter of the branch rod 2 is preferably 45mm, 50mm, 55mm, the length of the main rod 1 is 6000mm-8000mm, the length of the main rod 1 is preferably 6000mm, 6500mm, 7000mm, 7500mm, 8000mm, the length of the branch rod 2 is 400mm-800mm, and the length of the branch rod 2 is preferably 400mm, 450mm, 500mm, 550mm, 600mm, 650mm, 700mm, 750mm, 800 mm.
Preferably, the thermocouple 3 is a sheathed thermocouple, which has high strength and is suitable for use in a high-strength environment such as a resistance furnace.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the invention reduces the electromagnetic interference received when the temperature of the test furnace is measured, and reduces the difficulty of hoisting the test frame into the resistance furnace, thereby improving the working efficiency and reducing the working strength.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a be used for large-scale well formula resistance furnace temperature homogeneity test jig which characterized in that includes:
one end of the main rod is a hoisting end, and the main rod can be hoisted into the resistance furnace through the hoisting end;
a plurality of strut groups distributed on the outer side wall of the main rod along the length direction of the main rod, wherein each strut group comprises a plurality of struts;
the temperature measuring assemblies are arranged on the support rods and the main rod and used for detecting the furnace temperature of the resistance furnace.
2. The furnace temperature uniformity testing frame for the large-scale shaft type resistance furnace according to claim 1, wherein one end of each branch rod is connected with the main rod, each branch rod is perpendicular to the main rod,
all the support rods in each support rod group are located on the same plane, and included angles between every two adjacent support rods are the same.
3. The temperature uniformity testing jig for the large-scale shaft type electric resistance furnace according to claim 2, wherein when the support rod is positioned in the electric resistance furnace, the distance between the end part of the support rod and the inner wall of the electric resistance furnace is 100mm-300 mm.
4. The furnace temperature uniformity testing frame for the large-scale well type resistance furnace according to claim 2, wherein the temperature measuring component comprises a thermocouple, and a measuring end of the thermocouple is connected to the other end of the support rod.
5. The furnace temperature uniformity testing jig for the large-scale shaft type resistance furnace according to claim 4, wherein at least one measuring end of the thermocouple is arranged on each supporting rod, the distance between the measuring end of each thermocouple and the main rod is the same, the measuring ends of the thermocouples are uniformly arranged on the outer side wall of the main rod, and the number of the thermocouples between every two adjacent supporting rod groups on the outer side wall of the main rod is at least 3.
6. The furnace temperature uniformity testing frame for the large-scale shaft type resistance furnace according to claim 2, wherein each support rod group is provided with more than 3 support rods.
7. The temperature uniformity testing jig for the large-scale well type resistance furnace according to claim 2, wherein the cold end of the thermocouple extends out of the resistance furnace along the outer surface of the branch rod and the outer surface of the main rod.
8. The furnace temperature uniformity testing frame for the large-scale pit-type resistance furnace according to claim 4, wherein a lifting hole is formed in the lifting end, and the main rod can be lifted through the lifting hole.
9. The furnace temperature uniformity testing frame for the large-scale shaft type resistance furnace according to claim 1, wherein the diameter of the main rod is 95mm-105mm, the diameter of the branch rod is 45mm-55mm, the length of the main rod is 6000mm-8000mm, and the length of the branch rod is 400mm-800 mm.
10. The furnace temperature uniformity testing jig for the large-scale well type resistance furnace according to claim 4, wherein the thermocouple is an armored thermocouple.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120847267.XU CN215114909U (en) | 2021-04-23 | 2021-04-23 | Be used for large-scale pit resistance furnace temperature homogeneity test jig |
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| CN202120847267.XU CN215114909U (en) | 2021-04-23 | 2021-04-23 | Be used for large-scale pit resistance furnace temperature homogeneity test jig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295884A (en) * | 2023-03-31 | 2023-06-23 | 宝武集团马钢轨交材料科技有限公司 | Device and method for testing furnace temperature uniformity of suspension type heat treatment line |
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2021
- 2021-04-23 CN CN202120847267.XU patent/CN215114909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295884A (en) * | 2023-03-31 | 2023-06-23 | 宝武集团马钢轨交材料科技有限公司 | Device and method for testing furnace temperature uniformity of suspension type heat treatment line |
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