A petroleum coke calcination temperature monitoring mechanism

Abstract

A petroleum coke calcining temperature monitoring mechanism, a temperature monitoring device is arranged in a rotary kiln body, the temperature monitoring device includes several temperature detection components, the temperature detection components include a tube protection layer, a support tube, a connecting tube, a baffle, a thermocouple, a fixing plate and a clamping block, the support tube is arranged in the rotary kiln body, the support tube passes through the furnace head and is fixedly connected to the furnace tail, the fixing plate is inserted and fixed to the corresponding position of the support tube according to the temperature detection position, the fixing plate includes a groove, the groove is located in the support tube, one end of the connecting tube is fixedly connected to the clamping block, one end of the thermocouple passes through the connecting tube and is fixedly connected to the clamping block, and the other end is electrically connected to the control system, the clamping block can pass through the groove and rotate to clamp with the fixing plate. The petroleum coke calcining temperature monitoring mechanism improves the temperature monitoring accuracy of the calcining furnace and the output of petroleum coke through the temperature monitoring device; improves the installation efficiency through the set temperature detection component; improves the installation stability of the clamping block through the set connecting tube fixing device.

Description

Technical Field

[0001] The utility model relates to the technical field of calcining furnaces, in particular to a petroleum coke calcining temperature monitoring mechanism. Background Art

[0002] A petroleum coke calciner is a device used to produce petroleum coke, which is an important petrochemical product used to manufacture materials such as aluminum electrolytic carbon, lithium battery carbon, and graphene, as well as as a fuel and reducing agent. A petroleum coke calciner usually uses indirect heating to heat the raw materials in the petroleum coke calciner to a high temperature, causing a pyrolysis reaction to produce petroleum coke. There are usually multiple heating areas inside the calciner, and the temperature and reaction time can be adjusted as needed to control the quality and output of the petroleum coke. A petroleum coke calciner usually consists of a rotary kiln body, a fuel nozzle, a furnace tail, a furnace head, a control system and other components. It has the characteristics of high efficiency, energy saving, and environmental protection, and is widely used in the petrochemical and metallurgical industries.

[0003] The temperature in the calcining furnace plays a key role in the quality of the forged coke. However, the existing calcining furnace does not monitor the temperature of different areas in the rotary kiln accurately, which affects the output of petroleum coke. Therefore, it is of great significance to study a new type of petroleum coke calcining temperature monitoring mechanism and solve the above problems to improve the temperature monitoring accuracy of the calcining furnace and the output of petroleum coke. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a petroleum coke calcining temperature monitoring mechanism, which can effectively realize temperature monitoring of different areas in the calcining furnace through a temperature monitoring device, thereby improving the temperature monitoring accuracy of the calcining furnace and the output of petroleum coke; through the set temperature detection component, thermocouples can be easily installed and disassembled, thereby improving installation efficiency and reducing maintenance costs; through the set connecting pipe fixing device, the card block can be firmly connected with the baffle to prevent the card block from loosening during use, thereby improving the installation stability of the card block.

[0005] The technical solution of the utility model is as follows:

[0006] A petroleum coke calcining temperature monitoring mechanism, comprising a furnace tail, a rotary kiln body and a furnace head, the rotary kiln body is tilted, the furnace tail and the furnace head are respectively located at the upper and lower ends of the rotary kiln body, the upper part of the furnace tail is provided with a feed port, the lower part of the furnace head is provided with a discharge port, the furnace head is provided with a fuel nozzle in the direction of the rotary kiln body, the inner wall of the rotary kiln body is provided with a furnace lining, the rotary kiln body is provided with a temperature monitoring device, the temperature monitoring device includes a plurality of temperature detection components, the temperature detection components include a pipe protective layer, a support pipe, a connecting pipe , baffle, thermocouple, fixed plate and clamping block, the support tube is arranged in the rotary kiln body, the support tube passes through the furnace head and is fixedly connected to the furnace tail, the tube protective layer is arranged on the outer wall of the support tube, the fixed plate is inserted into and fixed to the corresponding position of the support tube according to the temperature detection position requirement, the fixed plate includes a groove, the groove is located in the support tube, one end of the connecting tube is fixedly connected to the clamping block, one end of the thermocouple passes through the connecting tube and is fixedly connected to the clamping block, and the other end is electrically connected to the control system, and the clamping block can pass through the groove and rotate to clamp with the fixed plate.

[0007] In order to more comprehensively monitor the temperature of different areas in the rotary kiln body, the temperature monitoring device includes three temperature detection components, and the blocks in the three temperature detection components are respectively located in the upper section, middle section and lower section of the rotary kiln body.

[0008] The support tubes in the three temperature detection components are arranged in parallel.

[0009] In order to reduce the cost of the pipe protective layer, the material of the pipe protective layer is asbestos.

[0010] In order to improve strength and rigidity, the support tube is a square steel tube.

[0011] The support pipe is coaxially arranged with the rotary kiln body and is located above the central axis of the rotary kiln body.

[0012] In order to improve corrosion resistance and high temperature resistance, the connecting pipe is a stainless steel pipe.

[0013] The groove is a long hole, and the bottom edge of the long hole is flush with the lower part of the inner wall of the support tube.

[0014] The outer wall of the furnace head is provided with a connecting pipe fixing device, which includes a threaded head, a baffle and a nut arranged at the other end of the connecting pipe. The baffle is fixedly connected to the outside of the furnace head, the connecting pipe passes through the baffle, and the nut is threadedly connected to the threaded head.

[0015] In order to achieve locking and anti-loosening, two nuts are provided.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model discloses a petroleum coke calcining temperature monitoring mechanism, which can effectively realize the temperature monitoring of different areas in the calcining furnace through the temperature monitoring device, thereby improving the temperature monitoring accuracy of the calcining furnace and the output of petroleum coke.

[0018] 2. The petroleum coke calcining temperature monitoring mechanism disclosed in the utility model can conveniently install and disassemble thermocouples through the provided temperature detection components, thereby improving installation efficiency and reducing maintenance costs.

[0019] 3. The petroleum coke calcining temperature monitoring mechanism disclosed in the utility model can firmly connect the card block with the baffle plate through the provided connecting pipe fixing device, thereby preventing the card block from loosening during use and improving the installation stability of the card block. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] By reading the detailed description of the preferred embodiment below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiment and are not considered to be limiting of the present invention.

[0021] In the attached picture:

[0022] Figure 1 A schematic diagram of the structure of a petroleum coke calcining temperature monitoring mechanism according to an embodiment of the utility model;

[0023] Figure 2 for Figure 1 The enlarged schematic diagram of point Ⅰ in FIG.

[0024] Figure 3 for Figure 2 AA cross-sectional view of the clamping block and the fixed plate in the clamping state;

[0025] Figure 4 for Figure 2 AA section view when the clamping block and the fixing plate are loosened;

[0026] Figure 5 for Figure 1 An enlarged schematic diagram of point II in FIG.

[0027] The components represented by the reference numerals in the figure are:

[0028] The utility model: 1, a feed port, 2, a furnace tail, 3, a rotary kiln body, 4, a furnace lining, 5, a furnace head, 6, a discharge port, 7, a fuel nozzle, 8, a temperature detection component, 8a, a pipe protective layer, 8b, a supporting pipe, 8c, a connecting pipe, 8c1, a threaded head, 8d, a baffle, 8e, a nut, 8f, a thermocouple, 8g, a fixing plate, 8g1, a groove, 8h, a block. DETAILED DESCRIPTION

[0029] like Figure 1 As shown, a petroleum coke calcining temperature monitoring mechanism comprises a furnace tail 2, a rotary kiln body 3 and a furnace head 5, the rotary kiln body 3 is tilted, the furnace tail 2 and the furnace head 5 are respectively located at the upper and lower ends of the rotary kiln body 3, the furnace tail 2 is provided with a feed port 1 at the upper part, the furnace head 5 is provided with a discharge port 6 at the lower part, the furnace head 5 is provided with a fuel nozzle 7 facing the rotary kiln body 3, the inner wall of the rotary kiln body 3 is provided with a furnace lining 4, the rotary kiln body 3 is provided with a temperature monitoring device, the temperature monitoring device comprises a plurality of temperature detection components 8, preferably, the temperature monitoring device The device includes three temperature detection components 8, and the blocks 8h in the three temperature detection components 8 are respectively located at the upper section, the middle section and the lower section of the rotary kiln body 3; through multiple temperature detection components, the temperatures of different positions or different components can be monitored simultaneously, and the accuracy and precision of monitoring can be improved, so that the temperature distribution of the system can be more comprehensively understood, abnormal conditions can be discovered in time and corresponding measures can be taken; multiple temperature detection components can provide redundancy, even if one of the components fails or fails, the other components can still work normally, ensuring the reliability and stability of the monitoring system; Figures 1 to 4As shown, the temperature detection assembly 8 includes a tube protection layer 8a, a support tube 8b, a connecting tube 8c, a baffle 8d, a thermocouple 8f, a fixing plate 8g and a block 8h. The support tube 8b is arranged in the rotary kiln body 3, and the support tube 8b passes through the furnace head 5 and is fixedly connected to the furnace tail 2. The support tube 8b can effectively protect the thermocouple 8f from being damaged by the material in the rotary kiln body 3. Preferably, the support tubes 8b in the three temperature detection assemblies 8 are arranged in parallel; the parallel arrangement of the support tubes can reduce the complexity of the installation process and make the installation easier and faster. The parallel arrangement of the support tubes can improve the stability of the detection assembly and reduce the instability caused by the misalignment or imbalance of the support tubes. The parallel arrangement of the support tubes can ensure The inspection component remains stable during use, reducing errors and failures caused by loose or deformed pipelines; preferably, the support pipe 8b is coaxially arranged with the rotary kiln body 3 and is located above the central axis of the rotary kiln body 3; the support pipe is located above the central axis of the rotary kiln body, which will not affect the in and out of the material and the rotation of the material, and the operation is more convenient, and the rotary kiln body can be maintained and repaired more conveniently; preferably, the support pipe 8b is a square steel pipe, which is made of high-quality steel, has high strength and rigidity, can withstand greater pressure and load, and is designed to be square in shape, easy to connect during installation, simple to operate, and has high construction efficiency; the pipe protective layer 8a is arranged on the outer wall of the support pipe 8b, preferably The material of the tube protective layer 8a is asbestos, which has excellent high temperature resistance and can be used for a long time in a high temperature environment without being easily deformed or burned. Asbestos has good corrosion resistance and high wear resistance, which can reduce wear and damage caused by friction. Compared with other materials, asbestos is relatively cheap and has low cost, making it suitable for occasions that require a large amount of materials. The fixing plate 8g is inserted and fixed to the corresponding position of the support tube 8b according to the temperature detection position. The fixing plate 8g includes a groove 8g1, which is located in the support tube 8b. Preferably, the groove 8g1 is a long hole, and the bottom edge of the long hole is flush with the lower part of the inner wall of the support tube 8b. One end of the connecting pipe 8c is fixedly connected to the clamping block 8h. Preferably, the connecting pipe 8c is a stainless steel pipe. The stainless steel pipe has excellent corrosion resistance, can resist the erosion of most chemical substances, and is suitable for corrosive environments such as acids and alkalis. The stainless steel pipe has high strength and toughness, can withstand greater pressure and load, and has good high temperature resistance, is suitable for use in high temperature environments, is not easy to deform or discolor, has a long service life, is not easy to rust and corrode, can be used for a long time, and reduces maintenance costs. One end of the thermocouple 8f passes through the connecting pipe 8c and is fixedly connected to the clamping block 8h, and the other end is electrically connected to the control system. The clamping block 8h can pass through the slot 8g1 and rotate to clamp with the fixed plate 8g.The petroleum coke calcining temperature monitoring mechanism can effectively realize the temperature monitoring of different areas in the calcining furnace through the temperature monitoring device, thereby improving the temperature monitoring accuracy of the calcining furnace and the output of petroleum coke; through the set temperature detection component, the thermocouple can be easily installed and removed, thereby improving the installation efficiency and reducing the maintenance cost. ;

[0030] like Figure 1 and Figure 5 As shown, the outer wall of the burner head 5 is provided with a connecting pipe fixing device, and the connecting pipe fixing device includes a threaded head 8c1, a baffle 8d and a nut 8e arranged at the other end of the connecting pipe 8c, the baffle 8d is fixedly connected to the outside of the burner head 5, the connecting pipe 8c passes through the baffle 8d, and the nut 8e is threadedly connected to the threaded head 8c1; preferably, two nuts 8e are provided; through the setting of the connecting pipe fixing device, the card block can be firmly connected with the baffle to prevent the card block from loosening during use, thereby improving the installation stability of the card block.

[0031] like Figures 1 to 5 As shown, before use, fix the thermocouple 8f and the block 8h, then pass the thermocouple 8f through the connecting pipe 8c and lead it out from the connecting pipe 8c to be electrically connected to the control system, then fix the connecting pipe 8c and the block 8h, and insert the connecting pipe 8c and the block 8h into the supporting pipe 8b, adjust the direction of the block 8h and pass the block 8h through the groove 8g1 of the fixed plate 8g, then rotate the connecting pipe 8c to make the block 8h rotate in the direction, so that the block 8h is engaged with the fixed plate 8g, then tighten the nut 8e to move the connecting pipe 8c to the right, so that the block 8h is firmly engaged with the fixed plate 8g. When in use, because the outer wall of the support tube 8b except the position of the fixed plate 8g is protected by the tube protective layer 8a, the accurate temperature in the rotary kiln body 3 is only transmitted to the block 8h connected to the fixed plate 8g through the fixed plate 8g, and further transmitted to the thermocouple 8f fixedly connected to the block 8h. The thermocouple 8f transmits the detected temperature to the control system, and the control system continuously adjusts the fuel spraying amount of the fuel nozzle 7 according to the detected temperature, thereby improving the temperature monitoring accuracy of the calcining furnace and further increasing the output of petroleum coke; the petroleum coke calcining temperature monitoring mechanism can effectively realize the temperature monitoring of different areas in the calcining furnace through the temperature monitoring device, thereby improving the temperature monitoring accuracy of the calcining furnace and the output of petroleum coke; through the set temperature detection component, the thermocouple can be easily installed and disassembled, thereby improving the installation efficiency and reducing the maintenance cost.

Claims

1. A petroleum coke calcining temperature monitoring mechanism, comprising a furnace tail (2), a rotary kiln body (3) and a furnace head (5), wherein the rotary kiln body (3) is arranged tilted, the furnace tail (2) and the furnace head (5) are respectively located at the upper and lower ends of the rotary kiln body (3), the furnace tail (2) is provided with a feed inlet (1) at the upper part, the furnace head (5) is provided with a discharge port (6) at the lower part, the furnace head (5) is provided with a fuel nozzle (7) in the direction of the rotary kiln body (3), the inner wall of the rotary kiln body (3) is provided with a furnace lining (4), characterized in that: The rotary kiln body (3) is provided with a temperature monitoring device, the temperature monitoring device comprising a plurality of temperature detection components (8), the temperature detection components (8) comprising a tube protection layer (8a), a support tube (8b), a connecting tube (8c), a baffle (8d), a thermocouple (8f), a fixing plate (8g) and a clamping block (8h), the support tube (8b) being arranged in the rotary kiln body (3), the support tube (8b) penetrating the furnace head (5) and being fixedly connected to the furnace tail (2), the tube protection layer (8a) being arranged on the support tube (8b) ), the fixing plate (8g) is inserted into and fixed to a corresponding position of the support tube (8b) according to the temperature detection position requirements, the fixing plate (8g) comprises a groove (8g1), the groove (8g1) is located in the support tube (8b), one end of the connecting tube (8c) is fixedly connected to the block (8h), one end of the thermocouple (8f) passes through the connecting tube (8c) and is fixedly connected to the block (8h), and the other end is electrically connected to the control system, and the block (8h) can pass through the groove (8g1) and be rotatably connected to the fixing plate (8g).

2. A petroleum coke calcination temperature monitoring mechanism according to claim 1, characterized in that: The temperature monitoring device comprises three temperature detection components (8), and the blocks (8h) in the three temperature detection components (8) are respectively located at the upper section, the middle section and the lower section of the rotary kiln body (3).

3. A petroleum coke calcination temperature monitoring mechanism according to claim 2, characterized in that: The support tubes (8b) in the three temperature detection components (8) are arranged in parallel.

4. A petroleum coke calcination temperature monitoring mechanism according to claim 1, characterized in that: The material of the tube protective layer (8a) is asbestos.

5. A petroleum coke calcination temperature monitoring mechanism according to claim 1, characterized in that: The support tube (8b) is a square steel tube.

6. A petroleum coke calcination temperature monitoring mechanism according to claim 1, characterized in that: The support pipe (8b) is coaxially arranged with the rotary kiln body (3) and is located above the central axis of the rotary kiln body (3).

7. A petroleum coke calcination temperature monitoring mechanism according to claim 1, characterized in that: The connecting pipe (8c) is a stainless steel pipe.

8. A petroleum coke calcination temperature monitoring mechanism according to claim 1, characterized in that: The groove (8g1) is a long hole, and the bottom edge of the long hole is flush with the lower part of the inner wall of the support tube (8b).

9. A petroleum coke calcination temperature monitoring mechanism according to claim 1, characterized in that: The outer wall of the furnace head (5) is provided with a connecting pipe fixing device, and the connecting pipe fixing device comprises a threaded head (8c1) arranged at the other end of the connecting pipe (8c), a baffle (8d) and a nut (8e), the baffle (8d) is fixedly connected to the outside of the furnace head (5), the connecting pipe (8c) passes through the baffle (8d), and the nut (8e) is threadedly connected to the threaded head (8c1).

10. A petroleum coke calcination temperature monitoring mechanism according to claim 9, characterized in that: Two nuts (8e) are provided.

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