Blast furnace thermocouple mounting structure

Abstract

The utility model relates to the technical field of blast furnace temperature control, and discloses a blast furnace thermocouple mounting structure. The blast furnace thermocouple installation structure comprises a limiting pipe, a movable pipe is movably installed in the limiting pipe, threads are arranged on the outer side of the movable pipe, a limiting ring is installed below the limiting pipe in a penetrating and inserting mode, a transmission column is fixedly installed at the top end of the movable pipe, and a limiting plate is movably installed above the limiting pipe. A connecting bolt is installed above the limiting plate in a penetrating mode, a transmission column is of a hexagonal prism structure, the transmission column is fixed to the top end of the movable pipe in a penetrating installation mode, and during installation, the movable pipe can be driven to rotate through the transmission column so that the movable pipe can enter the limiting pipe; after the movable pipe is completely screwed into the limiting pipe, the tail end of the thermocouple is located in the blast furnace, and in this way, the thermocouple can be conveniently maintained after installation is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace temperature control, in particular to a blast furnace thermocouple installation structure. Background Art

[0002] A hot air furnace is a furnace that mainly relies on burning fuel for heating and can be used for drying and baking materials. There are many types of hot air furnaces, and coal can be added by hand burning or machine burning. According to the type of fuel, they are divided into coal, oil, gas furnaces, etc. At present, when people on the market measure the temperature inside the furnace, they often use thermocouple temperature measuring devices to measure the temperature inside the furnace.

[0003] The existing referenceable Chinese utility model patent with announcement number CN218620906U discloses a thermocouple temperature measuring device for a blast furnace hot blast stove, including a furnace body, a slag outlet is fixedly connected to the outer wall of the furnace body, a ventilation pipe is welded to one side of the furnace body, a smoke exhaust pipe is fixedly connected to the top of the furnace body, a mounting tube is welded to one side of the furnace body, and a mounting assembly is provided on one side of the mounting tube, and a connecting tube is bolted to one side of the mounting assembly. The thermocouple temperature measuring device for a blast furnace hot blast stove is provided with a first clamping ring, a second clamping ring, a mounting bolt, a positioning groove, a positioning bolt and a flange, and the flange on the thermocouple is fastened to the mounting tube by the positioning bolt. At this time, the flange and the mounting tube can be fixed together by relying on the first clamping ring and the second clamping ring, and the first clamping ring and the second clamping ring are installed and fixed by relying on the mounting bolt, thereby strengthening the fixing effect of the mounting tube and the flange, improving the installation effect of the thermocouple, and meeting people's daily use needs.

[0004] The existing thermocouple installation structure is generally embedded in the blast furnace wall. This installation method is very inconvenient when maintaining the thermocouple. At the same time, the existing installation structure may become loose during use, resulting in the end of the thermocouple being unable to be located inside the blast furnace, affecting the temperature monitoring results. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a blast furnace thermocouple installation structure, which has the advantages of being easy to disassemble and install and preventing the thermocouple from loosening, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blast furnace thermocouple installation structure, comprising: a limit tube, a movable tube is movably installed inside the limit tube, a thread is arranged on the outer side of the movable tube, a limit ring is inserted and installed below the limit tube, a transmission column is fixedly installed on the top of the movable tube, a limit plate is movably installed above the limit tube, a connecting bolt is inserted and installed above the limit plate, and a thermocouple is inserted and installed in the center of the movable tube; the thread can facilitate the disassembly and assembly of the movable tube.

[0009] As a preferred technical solution of the utility model, the top of the limiting tube is provided with an annular protrusion structure, and the inner wall of the limiting tube is provided with a groove engaged with the outer thread of the movable tube; the limiting tube can facilitate limiting the position of the movable tube.

[0010] As a preferred technical solution of the utility model, the movable tube is movably connected to the limiting tube through a thread, and a cylindrical opening structure is provided at the center of the movable tube; the movable tube can facilitate limiting the position of the thermocouple.

[0011] As the preferred technical solution of the utility model, the limiting ring is equidistantly installed on the outside of the limiting tube, the top of the limiting ring is a horizontal structure, the upper end diameter of the outer wall of the limiting ring is larger than the lower end, and the overall structure is an inverted cone; the limiting ring can limit the position of the limiting tube.

[0012] As the preferred technical solution of the utility model, the transmission column is a hexagonal prism structure, the transmission column is fixed to the top of the movable tube by means of interlaced installation, and the limit plate is installed above the limit tube in a mirror-symmetrical manner with the center of the limit tube as the reference; the transmission column can facilitate the rotation of the movable tube.

[0013] As the preferred technical solution of the utility model, the limit plate is a half-circular ring structure, and the inner side of the limit plate is provided with a toothed structure that engages with the transmission column. The connecting bolt is installed above the limit tube at an angle of sixty degrees with the center of the transmission column as a reference; the limit plate can limit the rotation angle of the transmission column.

[0014] As the preferred technical solution of the utility model, the connecting bolt vertically penetrates the limit plate and is connected to the annular structure at the top of the limit tube, the thermocouple vertically penetrates the movable tube, and the end of the thermocouple is lower than the lower end of the movable tube; the thermocouple can facilitate monitoring the temperature in the blast furnace.

[0015] Compared with the prior art, the utility model provides a blast furnace thermocouple installation structure, which has the following beneficial effects:

[0016] 1. The utility model has a thread arrangement, in which the thread is arranged on the outside of the movable tube, and the inner wall of the limiting tube is provided with a groove engaged with the thread on the outside of the movable tube. The movable tube is movably connected with the limiting tube through the thread. The movable tube can be installed inside the limiting tube by rotation, and the thermocouple is fixed inside the movable tube through insertion. The transmission column is a hexagonal prism structure, and the transmission column is fixed to the top of the movable tube by insertion. During installation, the movable tube can be driven to rotate by the transmission column to make the movable tube enter the inside of the limiting tube. After the movable tube is completely screwed into the limiting tube, the end of the thermocouple is located inside the blast furnace. This method can facilitate maintenance operations on the thermocouple after installation.

[0017] 2. The utility model sets a limit plate, and the limit plate is installed on the top of the limit tube in a mirror-symmetrical manner with the center of the limit tube as a reference. The limit plate is a half-circular ring structure, and the inner side of the limit plate is provided with a toothed structure engaged with the transmission column. The connecting bolt is installed on the top of the limit tube at an angle of sixty degrees with the center of the transmission column as a reference. The connecting bolt vertically penetrates the limit plate and is connected to the annular structure at the top of the limit tube. After the movable tube is completely screwed into the limit tube, the limit plate is fixed to the top of the limit tube by the connecting bolt, so that the toothed structure of the limit plate is engaged with the transmission column, so as to achieve the effect of limiting the rotation angle of the transmission column. This method can avoid the situation where the thermocouple becomes loose and the end of the thermocouple cannot monitor the internal temperature of the blast furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the limit tube of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the limit plate and the limit tube of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the thermocouple and the movable tube of the utility model;

[0022] Among them: 1. limit tube; 11. movable tube; 12. thread; 13. limit ring; 14. transmission column; 15. limit plate; 16. connecting bolt; 17. thermocouple. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4 In the present embodiment, a blast furnace thermocouple installation structure includes: a limiting tube 1, a movable tube 11 is movably installed inside the limiting tube 1, a thread 12 is arranged on the outer side of the movable tube 11, a limiting ring 13 is inserted and installed below the limiting tube 1, a transmission column 14 is fixedly installed on the top of the movable tube 11, a limiting plate 15 is movably installed above the limiting tube 1, a connecting bolt 16 is inserted and installed above the limiting plate 15, and a thermocouple 17 is inserted and installed in the center of the movable tube 11.

[0027] The top of the limiting tube 1 is provided with an annular protrusion structure, and the inner wall of the limiting tube 1 is provided with a groove that is engaged with the outer thread 12 of the movable tube 11. The movable tube 11 is movably connected with the limiting tube 1 through the thread 12. The center of the movable tube 11 is provided with a cylindrical opening structure, and the limiting ring 13 is equidistantly installed on the outer side of the limiting tube 1. The top of the limiting ring 13 is a horizontal structure, and the upper end diameter of the outer wall of the limiting ring 13 is larger than the lower end, and the overall structure is an inverted cone.

[0028] The transmission column 14 is a hexagonal prism structure, and the transmission column 14 is fixed to the top of the movable tube 11 by means of interlaced installation. The limit plate 15 is installed on the top of the limit tube 1 in a mirror-symmetrical manner with the center of the limit tube 1 as the reference. The limit plate 15 is a half-circular ring structure, and the inner side of the limit plate 15 is provided with a toothed structure that is engaged with the transmission column 14. The connecting bolt 16 is installed on the top of the limit tube 1 at an angle of sixty degrees with the center of the transmission column 14 as the reference. The connecting bolt 16 vertically penetrates the limit plate 15 and is connected to the annular structure at the top of the limit tube 1. The thermocouple 17 vertically penetrates the movable tube 11, and the end of the thermocouple 17 is lower than the lower end of the movable tube 11.

[0029] Specifically, the limit tube 1 can facilitate limiting the position of the movable tube 11, the movable tube 11 can facilitate limiting the position of the thermocouple 17, the thread 12 can facilitate the disassembly and assembly of the movable tube 11, the limit ring 13 can limit the position of the limit tube 1, the transmission column 14 can facilitate the rotation of the movable tube 11, the limit plate 15 can limit the rotation angle of the transmission column 14, the connecting bolt 16 can limit the position of the limit plate 15, and the thermocouple 17 can facilitate monitoring the temperature inside the blast furnace.

[0030] When in use, the limiting tube 1 is pre-buried to penetrate the furnace wall of the blast furnace. Since the thread 12 is arranged on the outer side of the movable tube 11, the inner wall of the limiting tube 1 is provided with a groove which is engaged with the thread 12 on the outer side of the movable tube 11. The movable tube 11 is movably connected with the limiting tube 1 through the thread 12. The movable tube 11 can be installed inside the limiting tube 1 by rotating. At the same time, the thermocouple 17 is fixed inside the movable tube 11 through insertion. The transmission column 14 is a hexagonal prism structure. The transmission column 14 is fixed to the top of the movable tube 11 through insertion. When installing, the movable tube 11 can be driven to rotate by the transmission column 14 to make the movable tube 11 enter the interior of the limiting tube 1. After the movable tube 11 is completely screwed into the limiting tube 1, the end of the thermocouple 17 is located inside the blast furnace. This method can be convenient for installation after installation. Maintenance operation of the thermocouple 17, the limit plate 15 is installed on the top of the limit tube 1 in a mirror-symmetrical manner with the center of the limit tube 1 as the reference. The limit plate 15 is a half-circular ring structure, and the inner side of the limit plate 15 is provided with a toothed structure that is engaged with the transmission column 14. The connecting bolt 16 is installed on the top of the limit tube 1 at an angle of sixty degrees with the center of the transmission column 14 as the reference. The connecting bolt 16 vertically penetrates the limit plate 15 and is connected to the annular structure at the top of the limit tube 1. After the movable tube 11 is completely screwed into the inside of the limit tube 1, the limit plate 15 is fixed to the top of the limit tube 1 by the connecting bolt 16, so that the toothed structure of the limit plate 15 is engaged with the transmission column 14 to achieve the effect of limiting the rotation angle of the transmission column 14. This method can avoid the situation where the thermocouple 17 loosens and the end of the thermocouple 17 cannot monitor the internal temperature of the blast furnace.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blast furnace thermocouple installation structure, characterized in that: include: A limit tube (1), wherein a movable tube (11) is movably installed inside the limit tube (1), a thread (12) is provided on the outer side of the movable tube (11), a limit ring (13) is inserted and installed below the limit tube (1), a transmission column (14) is fixedly installed on the top of the movable tube (11), a limit plate (15) is movably installed above the limit tube (1), a connecting bolt (16) is inserted and installed above the limit plate (15), and a thermocouple (17) is inserted and installed at the center of the movable tube (11).

2. A blast furnace thermocouple installation structure according to claim 1, characterized in that: The top end of the position-limiting tube (1) is provided with an annular protrusion structure, and the inner wall of the position-limiting tube (1) is provided with a groove that engages with the outer thread (12) of the movable tube (11).

3. A blast furnace thermocouple installation structure according to claim 1, characterized in that: The movable tube (11) is movably connected to the limiting tube (1) via a thread (12), and a columnar opening structure is provided at the center of the movable tube (11).

4. A blast furnace thermocouple installation structure according to claim 1, characterized in that: The limiting ring (13) is installed at equal distances on the outside of the limiting tube (1); the top of the limiting ring (13) is a horizontal structure; the upper end of the outer wall of the limiting ring (13) has a larger diameter than the lower end, and the entire structure is an inverted cone.

5. A blast furnace thermocouple installation structure according to claim 1, characterized in that: The transmission column (14) is a hexagonal column structure, and the transmission column (14) is fixed to the top of the movable tube (11) by means of insertion installation. The limit plate (15) is installed above the limit tube (1) in a mirror-symmetrical manner with the center of the limit tube (1) as a reference.

6. A blast furnace thermocouple installation structure according to claim 1, characterized in that: The limit plate (15) is a half-circular ring structure, and a toothed structure engaging with the transmission column (14) is arranged on the inner side of the limit plate (15). The connecting bolt (16) is installed above the limit tube (1) at an angle of sixty degrees with the center of the transmission column (14) as a reference.

7. A blast furnace thermocouple installation structure according to claim 1, characterized in that: The connecting bolt (16) vertically penetrates the limiting plate (15) and is connected to the annular structure at the top end of the limiting tube (1); the thermocouple (17) vertically penetrates the movable tube (11), and the end of the thermocouple (17) is lower than the lower end of the movable tube (11).

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