Blast furnace main channel refractory working condition monitoring device

Abstract

The utility model discloses a blast furnace main channel refractory working condition monitoring device, which relates to the technical field of blast furnace ironmaking and comprises a main channel shell with a first bottom surface, a first side wall and a second side wall, the first concrete side wall and the second concrete side wall are arranged on the two sides of the main ditch shell respectively, a first channel is formed between the first concrete side wall and the first side wall, and a second channel is formed between the second concrete side wall and the second side wall; the temperature measuring assembly comprises at least one linear temperature sensor with a plurality of measuring points, the linear temperature sensor is arranged on the outer side wall of the first side wall, and the plurality of measuring points extend and are distributed along the extension direction of the first side wall and / or the linear temperature sensor is arranged on the outer side wall of the second side wall, and the plurality of measuring points extend and are distributed along the extension direction of the second side wall; and the temperature display system is used for displaying the temperature measured by the plurality of measuring points of the linear temperature sensor. Full-length temperature monitoring of the main channel can be achieved, and replacement is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace ironmaking, in particular to a blast furnace main channel refractory material working condition monitoring device. Background Art

[0002] Most blast furnaces use an iron storage type main trench, and the type and thickness of refractory materials in the main trench have been continuously improved, which greatly increases the amount of iron flowing through the main trench. However, the degree of erosion of the main trench refractory materials cannot be accurately judged at present. Conventional methods can be monitored manually with tools, but this monitoring method cannot accurately judge the erosion of the main trench refractory materials in a timely manner. Therefore, there may be a situation where the main trench refractory materials are severely eroded but not discovered in time, resulting in the main trench burning through and causing large economic losses, and the main trench refractory materials are not repaired before the erosion of the main trench is repaired and replaced, causing production inconvenience and increased costs.

[0003] Many industry workers have conducted some research on the real-time monitoring method of the main trench refractory material condition. At present, the monitoring of the main trench refractory material erosion mainly adopts the method of installing thermocouples on the side wall of the trench shell. When the temperature detected by the thermocouple exceeds the set value, the main trench refractory material needs to be repaired and replaced. However, these monitoring methods have problems such as insufficient monitoring range and the inability to replace thermocouples, and cannot fully meet production needs. In other methods, more temperature measuring optical fibers are set around the lining of the blast furnace main trench, which can also achieve full coverage detection of the main trench temperature. However, the temperature measuring optical fiber is located in the permanent lining of the main trench. The temperature measuring optical fiber is easily damaged during the expansion of the refractory material and the maintenance of the main trench, and it is not easy to replace the temperature measuring optical fiber; in addition, the optical fiber temperature measurement range is small, and the temperature of the main trench lining is often high. When it exceeds the optical fiber temperature measurement range, it will cause inaccurate temperature measurement or even damage to the optical fiber. For this reason, there is an urgent need for a blast furnace main trench refractory material condition monitoring device that can realize full-length temperature monitoring of the main trench and is easy to replace to meet actual production needs. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved by the embodiment of the utility model is to provide a blast furnace main groove refractory material condition monitoring device, which can realize the temperature monitoring of the entire length of the main groove and is convenient for replacement.

[0005] The specific technical solution of the embodiment of the utility model is:

[0006] A blast furnace main trench refractory material working condition monitoring device, the blast furnace main trench refractory material working condition monitoring device comprising:

[0007] A main groove housing having a first bottom surface and first and second side walls disposed opposite to each other;

[0008] A first concrete side wall and a second concrete side wall are respectively arranged on both sides of the main groove shell, a first channel is formed between the first concrete side wall and the first side wall, and a second channel is formed between the second concrete side wall and the second side wall;

[0009] A temperature measuring component, comprising at least one linear temperature sensor having a plurality of measuring points, wherein at least one of the linear temperature sensors is arranged on the outer wall of the first side wall and the plurality of measuring points are extendedly distributed along the extension direction of the first side wall and / or on the outer wall of the second side wall and the plurality of measuring points are extendedly distributed along the extension direction of the second side wall; and a temperature display system connected to the linear temperature sensor, wherein the temperature display system is used to display the temperatures measured by the plurality of measuring points of the linear temperature sensor.

[0010] Preferably, the first concrete side wall and / or the second concrete side wall are provided with a plurality of openings arranged along their extension direction.

[0011] Preferably, the opening is communicated with the first channel or the second channel.

[0012] Preferably, the blast furnace main trench refractory material condition monitoring device comprises:

[0013] A plurality of support beams, both ends of the support beams are respectively connected to the lower ends of the first concrete side wall and the second concrete side wall, the first bottom surface of the main groove shell is arranged on the plurality of support beams, and the plurality of support beams are arranged along the extension direction of the main groove shell.

[0014] Preferably, the upper end surface of the support beam has a groove, and the groove extends along the extension direction of the main groove shell.

[0015] Preferably, at least one of the linear temperature sensors passes through the groove, and a plurality of the measuring points are distributed along the extension direction of the main groove shell.

[0016] Preferably, there are a plurality of linear temperature sensors disposed on the outer side wall of the first side wall, and the plurality of linear temperature sensors are sequentially arranged in the height direction;

[0017] There are a plurality of linear temperature sensors disposed on the outer side wall of the second side wall, and the plurality of linear temperature sensors are sequentially arranged in a height direction.

[0018] Preferably, the first bottom surface, the first side wall and the second side wall of the main groove housing are all made of steel plates, and the linear temperature sensor is fixed by a steel wire clamp.

[0019] Preferably, the linear temperature sensor passing through the groove is fixed by a steel wire clamp, and the steel wire clamp is arranged between adjacent support beams.

[0020] Preferably, the distance between two adjacent measuring points of the linear temperature sensor is less than or equal to 2 m.

[0021] The technical solution of the utility model has the following significant beneficial effects:

[0022] 1. The blast furnace main trench refractory material condition monitoring device in this application adopts a linear temperature sensor with multiple measuring points to monitor the temperature of the first bottom surface of the main trench shell, the first side wall and the second side wall arranged oppositely. It has a large monitoring range, a small blind area and accurate temperature measurement.

[0023] 2. The blast furnace main trench refractory material condition monitoring device in the present application forms a first channel between the first concrete side wall and the first side wall, and forms a second channel between the second concrete side wall and the second side wall, which can not only realize the convenient replacement of the linear temperature sensors on the first side wall and the second side wall, but also can form a better cooling effect on the main trench shell.

[0024] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Features described and / or shown for one embodiment can be used in one or more other embodiments in the same or similar manner, combined with features in other embodiments, or replace features in other embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the components in the drawings are only for illustration purposes to help understand the present invention, and are not intended to specifically limit the shapes and proportional dimensions of the components of the present invention. Under the guidance of the present invention, those skilled in the art can select various possible shapes and proportional dimensions to implement the present invention according to specific circumstances.

[0026] Figure 1 This is a front view of a blast furnace main trench refractory condition monitoring device in an embodiment of the utility model;

[0027] Figure 2 It is a side view of the blast furnace main trench refractory material working condition monitoring device in the embodiment of the utility model;

[0028] Figure 3 for Figure 1 A magnified schematic diagram of center A.

[0029] Reference numerals in the above drawings:

[0030] 1. Main groove shell; 11. First bottom surface; 12. First side wall; 13. Second side wall; 21. Concrete first side wall; 22. Concrete second side wall; 23. First channel; 24. Second channel; 25. Support beam; 251. Groove; 26. Opening; 31. Linear temperature sensor; 32. Temperature display system. DETAILED DESCRIPTION

[0031] In combination with the accompanying drawings and the description of the specific embodiments of the present invention, the details of the present invention can be more clearly understood. However, the specific embodiments of the present invention described herein are only used to explain the purpose of the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, technicians can conceive of any possible variations based on the present invention, which should be regarded as belonging to the scope of the present invention. It should be noted that when an element is referred to as "disposed on" another element, it can be directly on the other element or there can also be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a central element at the same time. The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation method.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] In order to realize the temperature monitoring of the entire length of the main trench and facilitate replacement, a blast furnace main trench refractory condition monitoring device is proposed in this application. Figure 1 This is a front view of the blast furnace main trench refractory material working condition monitoring device in the embodiment of the utility model, Figure 2 1 is a side view of a blast furnace main trench refractory material condition monitoring device in an embodiment of the utility model, as shown in FIG. Figure 1 and Figure 2As shown, the blast furnace main trench refractory material condition monitoring device may include: a main trench shell 1, a concrete first side wall 21, a concrete second side wall 22, and a temperature measuring component. Among them, the main trench shell 1 has a first bottom surface 11 and a first side wall 12 and a second side wall 13 that are arranged opposite to each other. The left end and the right end of the first bottom surface 11 are respectively connected to the lower ends of the first side wall 12 and the second side wall 13. The first bottom surface 11, the first side wall 12 and the second side wall 13 of the main trench shell 1 can all be made of steel plates, and specifically, steel plates of different thicknesses and manufacturing methods can be used, which are not limited in this application. The refractory material of the inner wall of the main trench shell 1 can also be adjusted according to actual needs.

[0034] The first concrete side wall 21 and the second concrete side wall 22 are respectively arranged on both sides of the main groove housing 1, that is, on both sides of the first side wall 12 and the second side wall 13. The first concrete side wall 21 and the first side wall 12 can be arranged substantially parallel to each other. The second concrete side wall 22 and the second side wall 13 can be arranged substantially parallel to each other. A first channel 23 is formed between the first concrete side wall 21 and the first side wall 12, and a second channel 24 is formed between the second concrete side wall 22 and the second side wall 13. The first channel 23 and the second channel 24 are used as an inspection channel and an air flow channel, so as to reduce the temperature of the outer wall of the main groove housing 1. For example, the width of the first channel 23 and the second channel 24 can reach 400 mm.

[0035] The temperature measurement component may include at least one linear temperature sensor 31 having multiple measurement points and a temperature display system 32 connected to the linear temperature sensor 31. As feasible, at least one linear temperature sensor 31 is disposed on the outer side wall of the first side wall 12 and the multiple measurement points are distributed along the extension direction of the first side wall 12. As feasible, at least one linear temperature sensor 31 is disposed on the outer side wall of the second side wall 13 and the multiple measurement points are distributed along the extension direction of the second side wall 13. The temperature display system 32 is used to display the temperatures measured by the multiple measurement points of the linear temperature sensor 31.

[0036] As feasible, Figure 1 and Figure 2 As shown, there are multiple linear temperature sensors 31 arranged on the outer side wall of the first side wall 12, and the multiple linear temperature sensors 31 are arranged in sequence in the height direction. Similarly, there are multiple linear temperature sensors 31 arranged on the outer side wall of the second side wall 13, and the multiple linear temperature sensors 31 are arranged in sequence in the height direction.

[0037] The linear temperature sensor 31 can be fixed on the outer wall of the first side wall 12 or the second side wall 13 by a steel wire clamp. In this way, the linear temperature sensor 31 can be closely fitted with the main groove housing 1, so that the temperature measurement result is more accurate and the linear temperature sensor 31 can be easily disassembled and assembled.

[0038] In order to conveniently and accurately find the abnormal temperature parts and reduce maintenance time and cost, different areas of the first side wall 12 and the second side wall 13 of the main groove shell 1 can be divided into zones and numbered, and the measurement points of the linear temperature sensor 31 can be matched one by one with the zone numbered areas.

[0039] As feasible, Figure 1 and Figure 2 As shown, a plurality of openings 26 arranged along the extension direction of the concrete first side wall 21 and / or the concrete second side wall 22 are provided. The openings 26 are connected to the first channel 23 or the second channel 24. The openings 26 are connected to the first channel 23 or the second channel 24, so that air can form convection, further reducing the outer wall temperature of the main groove housing 1.

[0040] like Figure 2 As shown, the blast furnace main trench refractory material condition monitoring device may include: a plurality of support beams 25. The two ends of the support beams 25 are respectively connected to the lower ends of the first concrete side wall 21 and the second concrete side wall 22. The plurality of support beams 25 are arranged along the extension direction of the main trench shell 1. The first bottom surface 11 of the main trench shell 1 is arranged on the plurality of support beams 25. There is a certain interval between adjacent support beams 25.

[0041] Figure 3 for Figure 1 The enlarged schematic diagram of point A in the figure is as follows: Figure 3 As shown, the upper end surface of the support beam 25 has a groove 251, and the groove 251 extends along the extension direction of the main groove housing 1. The number of grooves 251 can be determined according to specific needs. The groove 251 on the upper end surface of each support beam 25 can be one or more. For example, the size of the groove 251 can be approximately 20mm×20mm, so that it has enough space to ensure that the linear temperature sensor 31 passes through and avoids crushing the linear temperature sensor 31.

[0042] As feasible, Figure 2 As shown, at least one linear temperature sensor 31 can be arranged through the groove 251, and a plurality of measuring points are distributed along the extension direction of the main groove housing 1. In other words, at least one linear temperature sensor 31 can be arranged through the grooves 251 on a plurality of support beams 25, and the linear temperature sensor 31 can be used to monitor the temperature of the first bottom surface 11 of the main groove housing 1. Since there is a certain interval between adjacent support beams 25, the interval can be used to realize the installation and fixation of the linear temperature sensor 31.

[0043] Specifically, the linear temperature sensor 31 passing through the groove 251 can be fixed by a steel wire clamp, and the steel wire clamp is arranged between adjacent support beams 25. In this way, the linear temperature sensor 31 can be conveniently installed and fixed in the interval between adjacent support beams 25 by using the steel wire clamp.

[0044] As a feasible method, after the linear temperature sensors 31 of the first bottom surface 11, the first side wall 12 and the second side wall 13 on the main groove shell 1 are installed and fixed, one end of the linear temperature sensor 31 can be centrally led out and connected to the temperature display system 32. In the display screen of the temperature display system 32, the main groove shell 1 can be divided into zones according to the distance, and each interval of 2m can be set as a zone. At this time, the distance between two adjacent measuring points of the linear temperature sensor 31 can be less than or equal to 2m, and the main groove temperature is monitored in different areas, and the temperature alarm value is set. When the temperature reaches the alarm value, the system alarms, and the problematic area needs to be repaired and replaced immediately, so as to achieve the purpose of accurate monitoring, accurate repair and replacement, and reduce the time and cost of repairing the groove.

[0045] The blast furnace main trench refractory condition monitoring device in this application can have the following advantages:

[0046] 1. The blast furnace main trench refractory material condition monitoring device in the present application adopts a linear temperature sensor 31 with multiple measuring points to monitor the temperature of the first bottom surface 11, the first side wall 12 and the second side wall 13 of the main trench shell 1. It has a large monitoring range, a small blind area and accurate temperature measurement.

[0047] 2. The blast furnace main trench refractory material condition monitoring device in the present application forms a first channel 23 between the first concrete side wall 21 and the first side wall 12, and forms a second channel 24 between the second concrete side wall 22 and the second side wall 13, which can not only realize the convenient replacement of the linear temperature sensor 31 on the first side wall 12 and the second side wall 13, but also can form a better cooling effect on the main trench shell 1.

[0048] 3. The blast furnace main groove refractory material condition monitoring device in the present application is provided with a plurality of support beams 25 at the first bottom surface 11 of the main groove shell 1, and the upper end surface of the support beam 25 has a groove 251. The existence of the support beam 25 also forms a better cooling effect on the main groove shell 1. The cooperation of the groove 251 and the support beam 25 can also conveniently realize the installation and replacement of the linear temperature sensor 31 on the first bottom surface 11 of the main groove shell 1.

[0049] 4. The blast furnace main trench refractory material condition monitoring device in the present application can monitor the temperature of the main trench shell 1 in different areas, focus on areas prone to burn-through, and make comprehensive judgments based on the temperatures of each zone to carry out targeted maintenance and replacement of problematic areas, so as to achieve the purpose of accurate monitoring, accurate maintenance and replacement.

[0050] All articles and references disclosed, including patent applications and publications, are incorporated herein by reference for various purposes. The term "consisting essentially of ... " describing a combination should include determined elements, ingredients, parts or steps and other elements, ingredients, parts or steps that do not substantially affect the basic novel features of the combination. The use of the terms "comprising" or "including" to describe the combination of elements, ingredients, parts or steps here also contemplates the implementation method consisting essentially of these elements, ingredients, parts or steps. Here, by using the term "may", it is intended to illustrate that any attribute described that "may" includes is optional. Multiple elements, ingredients, parts or steps can be provided by a single integrated element, ingredient, part or step. Alternatively, a single integrated element, ingredient, part or step can be divided into separate multiple elements, ingredients, parts or steps. The disclosure "one" or "one" used to describe an element, ingredient, part or step is not said to exclude other elements, ingredients, parts or steps.

[0051] The above are only a few embodiments of the present invention. Although the embodiments disclosed by the present invention are as above, the contents are only embodiments adopted for facilitating the understanding of the present invention and are not used to limit the present invention. Any technician in the technical field to which the present invention belongs can make any modification and change in the form and details of the implementation without departing from the spirit and scope disclosed by the present invention, but the scope of patent protection of the present invention shall still be subject to the scope defined by the attached claims.

Claims

1. A blast furnace main trench refractory material condition monitoring device, characterized in that: The blast furnace main trench refractory material condition monitoring device comprises: A main groove housing having a first bottom surface and first and second side walls disposed opposite to each other; A first concrete side wall and a second concrete side wall are respectively arranged on both sides of the main groove shell, a first channel is formed between the first concrete side wall and the first side wall, and a second channel is formed between the second concrete side wall and the second side wall; A temperature measuring component, comprising at least one linear temperature sensor having a plurality of measuring points, wherein at least one of the linear temperature sensors is arranged on the outer wall of the first side wall and the plurality of measuring points are extendedly distributed along the extension direction of the first side wall and / or on the outer wall of the second side wall and the plurality of measuring points are extendedly distributed along the extension direction of the second side wall; and a temperature display system connected to the linear temperature sensor, wherein the temperature display system is used to display the temperatures measured by the plurality of measuring points of the linear temperature sensor.

2. The blast furnace main trench refractory material working condition monitoring device according to claim 1 is characterized in that: The first concrete side wall and / or the second concrete side wall are provided with a plurality of openings arranged along their extension direction.

3. The blast furnace main trench refractory material working condition monitoring device according to claim 2 is characterized in that: The opening is communicated with the first channel or the second channel.

4. The blast furnace main trench refractory material working condition monitoring device according to claim 1 is characterized in that: The blast furnace main trench refractory material condition monitoring device comprises: A plurality of support beams, both ends of the support beams are respectively connected to the lower ends of the first concrete side wall and the second concrete side wall, the first bottom surface of the main groove shell is arranged on the plurality of support beams, and the plurality of support beams are arranged along the extension direction of the main groove shell.

5. The blast furnace main trench refractory material working condition monitoring device according to claim 4 is characterized in that: The upper end surface of the support beam has a groove, and the groove extends along the extension direction of the main groove shell.

6. The blast furnace main trench refractory material working condition monitoring device according to claim 5 is characterized in that: At least one of the linear temperature sensors passes through the groove, and a plurality of the measuring points are distributed along the extension direction of the main groove shell.

7. The blast furnace main trench refractory material working condition monitoring device according to claim 1 is characterized in that: There are a plurality of linear temperature sensors disposed on the outer side wall of the first side wall, and the plurality of linear temperature sensors are sequentially arranged in a height direction; There are a plurality of linear temperature sensors disposed on the outer side wall of the second side wall, and the plurality of linear temperature sensors are sequentially arranged in a height direction.

8. The blast furnace main trench refractory material working condition monitoring device according to claim 1 is characterized in that: The first bottom surface, the first side wall and the second side wall of the main groove housing are all made of steel plates, and the linear temperature sensor is fixed by a steel wire clamp.

9. The blast furnace main trench refractory material working condition monitoring device according to claim 6, characterized in that: The linear temperature sensor passing through the groove is fixed by a steel wire clamp, and the steel wire clamp is arranged between adjacent support beams.

10. The blast furnace main trench refractory material working condition monitoring device according to claim 1, characterized in that: The distance between two adjacent measuring points of the linear temperature sensor is less than or equal to 2 m.

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