Installation structure of electric arc furnace illumination intensity transmitter

Abstract

The utility model relates to the technical field of electric arc furnaces, in particular to an electric arc furnace illumination intensity transmitter mounting structure which comprises a light intensity transmitting device. The light intensity transmitting device is detachably mounted on the furnace cover, a stainless steel tube is arranged in the light intensity transmitting device, the lower end of the stainless steel tube is detachably connected with the front end cover, a fused quartz rod is inserted in the stainless steel tube, a baffle is arranged in the front end cover and blocks the fused quartz rod, and a light hole is formed in the baffle; the upper part of the stainless steel tube is connected with an illumination intensity transmitter; a filter lens is arranged between the illumination intensity transmitter and the fused quartz rod; and a data line interface of the illumination intensity transmitter is connected with the mica high-temperature line. On one hand, the device is convenient to mount and dismount, so that the fused quartz rod is convenient to clean, and the detection accuracy is ensured; on the other hand, through heat insulation and light intensity reduction, the illumination intensity transmitter can be protected, and stable use of the illumination intensity transmitter is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of electric arc furnaces, in particular to an installation structure of a light intensity transmitter for an electric arc furnace. Background Art

[0002] During the arc furnace smelting process, operators usually need to judge the melting status through experience, and observe the melting situation by constantly opening the furnace cover to determine whether to start adding materials; however, this method has certain limitations; first, empirical judgment may be affected by factors such as personal experience, emotions and physical condition, resulting in deviations in the judgment results; secondly, frequent opening of the furnace cover may increase safety risks, such as burns, inhalation of harmful gases, etc.; in addition, this operation method may also lead to low production efficiency and affect production progress; finally, due to the limitations of manual observation, it may not be possible to accurately judge the key stages of the smelting process, affecting product quality.

[0003] Therefore, in order to overcome the above problems, the existing key parameters of the smelting process, such as temperature and light intensity, are monitored in real time, and the smelting state is judged through data analysis so as to adjust the production process in time; for temperature monitoring, a temperature transmitter is generally used, and the temperature transmitter is installed on the smoke pipe of the electric arc furnace; and for light intensity monitoring, a light intensity transmitter is required, and it is installed on the furnace cover of the electric arc furnace; but in actual operation, due to the high temperature during the operation of the electric arc furnace, accompanied by flue gas, etc., the service life and accuracy of the light intensity transmitter are seriously affected, which is easy to cause errors in the judgment of the smelting state, thereby affecting product quality.

[0004] Therefore, an installation structure that is easy to disassemble and clean and can ensure stable operation of the light intensity transmitter under high temperature conditions is an existing problem that needs to be solved. Utility Model Content

[0005] The purpose of the utility model is to provide an arc furnace light intensity transmitter installation structure to address the deficiencies of the above-mentioned prior art, so as to facilitate disassembly and cleaning and ensure that the light intensity transmitter can work stably under high temperature conditions.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an arc furnace light intensity transmitter installation structure, including a mounting hole, wherein the mounting hole is opened on the furnace cover of the arc furnace, and is detachably connected to the light intensity transmitter device through the mounting hole, wherein the light intensity transmitter is arranged in the light intensity transmitter, a fused quartz rod is arranged below the light intensity transmitter, and a filter lens is arranged between the fused quartz rod and the light intensity transmitter.

[0007] Furthermore, the light intensity transmitter is provided with a stainless steel tube, a fused quartz rod is inserted in the stainless steel tube, the upper end of the stainless steel tube is connected to the light intensity transmitter, and the filter lens is located in the stainless steel tube between the fused quartz rod and the light intensity transmitter.

[0008] Furthermore, a first internal thread is arranged on the inner side of the installation hole, and a first external thread is arranged on the tube body of the stainless steel tube, and the first external thread matches the first internal thread.

[0009] Furthermore, a front end cover is provided below the stainless steel tube, and the stainless steel tube and the front end cover are detachably connected.

[0010] Furthermore, a second external thread is provided below the stainless steel pipe body, a second internal thread is provided inside the front end cover, the second internal thread matches the second external thread, and anti-slip grooves are provided on the outer periphery of the front end cover.

[0011] Furthermore, a baffle is provided in the front end cover, and a light-transmitting hole is provided in the center of the baffle.

[0012] Furthermore, the diameter of the fused quartz rod is consistent with the inner diameter of the stainless steel tube, and the diameter of the light-transmitting hole is smaller than the diameter of the fused quartz rod.

[0013] Furthermore, a first mounting portion is provided on the periphery above the stainless steel pipe body, and a second mounting portion is provided in the light intensity transmitter, and the second mounting portion is matched with the first mounting portion through bolts.

[0014] Furthermore, the light intensity transmitter is provided with a data line interface, which is connected to the mica high temperature line.

[0015] The beneficial effects of the utility model are as follows: on the one hand, it is easy to install and disassemble, thereby facilitating the cleaning of the fused quartz rod, which helps to ensure the accuracy of detection; on the other hand, by means of heat insulation and reduction of light intensity, the light intensity transmitter can be protected, thereby ensuring the stable use of the light intensity transmitter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the installation structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the electric arc furnace cover involved in the utility model;

[0018] Figure 3 It is a schematic diagram of the overall structure of the light intensity transmission device of the utility model;

[0019] Figure 4 It is a schematic diagram of the explosion structure of the light intensity transmission device of the utility model.

[0020] The names corresponding to the marks in the figure are:

[0021] 1. Furnace cover; 11. Mounting hole; 111. First internal thread; 2. Light intensity transmitter; 21. Front cover; 211. Baffle; 212. Light transmission hole; 213. Second internal thread; 214. Anti-slip pattern; 22. Stainless steel tube; 221. Tube body; 222. First external thread; 223. Second external thread; 224. First mounting part; 23. Light intensity transmitter; 231. Second mounting part; 232. Data line interface; 24. Mica high temperature wire; 25. Filter lens; 26. Fused quartz rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0023] Embodiments of the present utility model:

[0024] like Figure 1-4 As shown, in this embodiment, a mounting hole 11 is opened on the furnace cover 1, and the light intensity transmitting device 2 is detachably connected through the mounting hole 11.

[0025] A first internal thread 111 is provided inside the mounting hole 11 , a stainless steel tube 22 is provided in the light intensity transmitter 2 , a first external thread 222 is provided outside the tube body 221 of the stainless steel tube 22 , and the first external thread 222 matches the first internal thread 111 .

[0026] In the light intensity transmitting device 2, the stainless steel tube 22 is detachably connected to the front end cover 21 below the tube body 221, wherein a second external thread 223 is provided at the front end of the tube body 221, and a second internal thread 213 is provided on the inner side of the front end cover 21, the second internal thread 213 cooperates with the second external thread 223, an anti-slip pattern 214 is provided on the outer side of the front end cover 21, a baffle 211 is provided at the front end of the front end cover 21, and a light-transmitting hole 212 is opened in the center of the baffle 211.

[0027] A high-purity fused quartz rod 26 is inserted into the tube body 221 of the stainless steel tube 22 , and a dark filter lens 25 is placed above the fused quartz rod 26 and is connected to the light intensity transmitter 23 through the stainless steel tube 22 .

[0028] A first mounting portion 224 is provided above the tube body 221 of the stainless steel tube 22, and a second mounting portion 231 is provided in the light intensity transmitter 23. The first mounting portion 224 and the second mounting portion 231 are installed by bolts. A data line interface 232 is provided on one side of the light intensity transmitter 23, and the data line interface 232 is connected to the mica high temperature wire 24.

[0029] The principle of this utility model is:

[0030] When the utility model is in use, a mounting hole 11 is opened on the furnace cover 1 of the electric arc furnace, wherein the mounting hole 11 is a threaded hole, through which the light intensity transmitting device 2 is detachably connected, so that on the one hand, it is easy to install, and on the other hand, after use, the light intensity transmitting device 2 can be disassembled, so that the fused quartz rod 26 therein can be taken out, and the front end surface of the fused quartz rod 26 can be cleaned and wiped, so that the accuracy of the light intensity transmitting device 2 during use can be guaranteed.

[0031] In the light intensity transmitter 2 of the utility model, stainless steel is used to provide structural support for the light intensity transmitter 23, and can effectively protect the light intensity transmitter 23; the front end cover is provided to facilitate the installation and disassembly of the fused quartz rod 26; at the same time, the fused quartz rod 26 plays a role of heat insulation, reducing the impact of high temperature on the transmitter; in addition, the filter lens 25 absorbs part of the light to protect the transmitter and ensure that the brightness does not exceed its measurement range. For the filter lens 25, in actual production, a reasonable selection can be made according to the specifications of the light intensity transmitter 23, and no further details will be given; in actual production, the mica high temperature wire 24 can withstand higher temperatures, thereby ensuring the stability of the overall use of the device. The mica high temperature wire 24 is existing and no further details will be given.

Claims

1. An arc furnace light intensity transmitter installation structure, characterized in that: The invention comprises a mounting hole (11), wherein the mounting hole (11) is formed on a furnace cover (1) of an electric arc furnace and is detachably connected to a light intensity transmitter (2) through the mounting hole (11). A light intensity transmitter (23) is arranged in the light intensity transmitter (2), a fused quartz rod (26) is arranged below the light intensity transmitter (23), and a filter lens (25) is arranged between the fused quartz rod (26) and the light intensity transmitter (23).

2. The installation structure of an arc furnace light intensity transmitter according to claim 1, characterized in that: The light intensity transmitter (2) is provided with a stainless steel tube (22), a fused quartz rod (26) is inserted into the stainless steel tube (22), the upper end of the stainless steel tube (22) is connected to the light intensity transmitter (23), and the filter lens (25) is located in the stainless steel tube (22) between the fused quartz rod (26) and the light intensity transmitter (23).

3. The installation structure of an arc furnace light intensity transmitter according to claim 2, characterized in that: A first internal thread (111) is provided inside the mounting hole (11), and a first external thread (222) is provided on the tube body (221) of the stainless steel tube (22), wherein the first external thread (222) matches the first internal thread (111).

4. The installation structure of an arc furnace light intensity transmitter according to claim 2, characterized in that: A front end cover (21) is provided below the stainless steel tube (22), and the stainless steel tube (22) and the front end cover (21) are detachably connected.

5. The installation structure of an arc furnace light intensity transmitter according to claim 4, characterized in that: A second external thread (223) is provided below the tube body (221) of the stainless steel tube (22), a second internal thread (213) is provided on the inner side of the front end cover (21), the second internal thread (213) matches the second external thread (223), and an anti-slip pattern (214) is provided on the outer periphery of the front end cover (21).

6. The installation structure of an arc furnace light intensity transmitter according to claim 4, characterized in that: The front end cover (21) is provided with a baffle (211), and a light-transmitting hole (212) is provided at the center of the baffle (211).

7. The installation structure of an arc furnace light intensity transmitter according to claim 6, characterized in that: The diameter of the fused quartz rod (26) is consistent with the inner diameter of the stainless steel tube (22), and the diameter of the light-transmitting hole (212) is smaller than the diameter of the fused quartz rod (26).

8. The installation structure of an arc furnace light intensity transmitter according to claim 2, characterized in that: A first mounting portion (224) is arranged on the periphery of the upper portion of the tube body (221) of the stainless steel tube (22), and a second mounting portion (231) is arranged in the light intensity transmitter (23), and the second mounting portion (231) and the first mounting portion (224) are matched with each other via bolts.

9. The installation structure of an arc furnace light intensity transmitter according to claim 1, characterized in that: The light intensity transmitter (23) is provided with a data line interface (232), and the data line interface (232) is connected to the mica high temperature wire (24).

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