Automatic transfer device for roasting sand of rotary kiln with double-track positioning

Abstract

The utility model relates to rotary kiln roasting sand transfer technology field, and disclose a kind of rotary kiln roasting sand automatic transfer device of double-track positioning, ground track is located between the ground of rotary kiln and furnace top bunker;Overhead track is set to the top of ground track and parallel with ground track;Material tank transport vehicle is installed on ground track;Material tank transport vehicle is equipped with the material tank for containing roasting sand, and the inner wall of material tank is equipped with lining insulation layer;Crane is installed on overhead track;Material tank transport vehicle and crane are both provided with the positioning system based on grey busbar principle, and high-precision automatic operation of material tank transport vehicle and crane on respective track is realized by positioning system;Material tank transport vehicle and crane work cooperatively to realize the continuous, efficient transfer of roasting sand from rotary kiln to furnace top bunker. Through double-track layout and main auxiliary trolley configuration, ensure continuous and efficient production;With the help of grey busbar positioning, efficient insulation layer and high-quality track, high-precision automatic transfer is realized.

Description

Technical Field

[0001] This utility model belongs to the field of rotary kiln roasted sand transfer technology, specifically relating to an automatic transfer device for rotary kiln roasted sand with dual-track positioning. Background Technology

[0002] In the nickel metal manufacturing industry, the process link between the roasting kiln and the submerged arc furnace is crucial to the production flow. After the nickel-containing raw materials are treated at high temperatures in the roasting kiln, the roasted ore needs to be transferred to the submerged arc furnace for further reduction and smelting. Currently, there are many problems in the transfer process, such as mismatch between production rhythm and schedule, frequent handling of roasted ore at high temperatures, complex operation and harsh working environment, posing a significant threat to worker health and safety; traditional transfer methods involve high manual intervention, resulting in low efficiency, high cost and poor safety. Utility Model Content

[0003] The purpose of this utility model is to provide an automatic transfer device for rotary kiln roasted sand with dual-track positioning, so as to solve the problems of mismatched production rhythm, excessive manual intervention, low efficiency and poor safety in the transfer of rotary kiln roasted sand in the prior art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An automatic transfer device for calcined sand in a rotary kiln with dual-track positioning, comprising:

[0006] The ground track is located on the ground between the rotary kiln and the furnace top silo;

[0007] An overhead track is set above and parallel to the ground track.

[0008] The material tanker is mounted on a ground track; the material tanker is equipped with a material tank for holding calcined sand, and the inner wall of the material tank is lined with a heat insulation layer.

[0009] A crane, which is installed on an overhead track;

[0010] Both the material tanker and the crane are equipped with a positioning system based on the Gray bus principle, which enables the material tanker and the crane to operate automatically and with high precision on their respective tracks. The material tanker and the crane work together to achieve continuous and efficient transfer of calcined sand from the rotary kiln to the furnace top silo.

[0011] Preferably, the tanker transport vehicle includes a main trolley and an auxiliary trolley, so that when the main trolley fails, it can be quickly switched to the auxiliary trolley to ensure the continuous operation of the production line.

[0012] Preferably, both the ground track and the overhead track are U-shaped tracks, with the rotary kiln and the furnace top hopper located on opposite sides of the transverse straight track on the U-shaped track.

[0013] Preferably, the lining insulation layer includes an adhesive layer, a heat insulation layer, a high-temperature resistant layer, and a wear-resistant layer arranged sequentially from the inside out.

[0014] Preferably, the lining insulation layer includes an adhesive layer, a heat insulation layer, a wear-resistant layer, and a high-temperature resistant layer arranged sequentially from the inside to the outside.

[0015] Preferably, the adhesive layer is bonded to the inner wall of the tank; the heat insulation layer is made of ceramic fiber felt or rock wool board; the high temperature resistant layer is made of high alumina refractory brick or corundum mullite brick; the wear-resistant layer is made of silicon carbide wear-resistant material to make wear-resistant coating or wear-resistant brick; and the adhesive layer is made of high temperature adhesive.

[0016] The lining insulation layer is made of high-temperature resistant and heat-insulating materials, which can effectively reduce the heat loss of the calcined sand in the tank, improve energy utilization efficiency, and extend the service life of the tank.

[0017] Preferably, the positioning system includes a Gray busbar, a signal receiving device, and a control device. The Gray busbar is laid beside the track, and the signal receiving device is installed on the tanker truck and the crane. The signal receiving device receives the signal emitted by the Gray busbar and transmits it to the control device. The control device controls the operation of the tanker truck and the crane according to the signal to achieve high-precision positioning.

[0018] Compared with the prior art, the technical effects and advantages of this utility model are:

[0019] This dual-track positioning rotary kiln roasted sand automatic transfer device, by adopting Gray busbar positioning technology and an automated control system, realizes unmanned operation of the roasted sand transfer process, improves the working environment of workers, reduces labor intensity, and enhances production safety.

[0020] The insulation lining on the inner wall of the material tank effectively reduces heat loss and improves energy efficiency. Meanwhile, the optimized transfer process and dual-track design, combined with the coordinated operation of the material tanker and crane, shortens the time required for each trip, significantly improving the transfer efficiency of the roasted sand and reducing production costs. Furthermore, unmanned operation reduces labor costs and improves overall economic efficiency.

[0021] The dual-track design and main-auxiliary trolley configuration ensure that the system can be quickly switched to the backup equipment in the event of a single equipment failure, maintaining the continuous operation of the production line. This enhances the system's flexibility and reliability, enabling it to be quickly adjusted according to different production needs. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a top view of the ground track of this utility model;

[0024] Figure 3 This is a schematic diagram of the structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the structure of this utility model.

[0026] In the diagram: 1. Ground track; 2. Rotary kiln; 3. Top hopper; 4. Overhead track; 5. Material tanker; 51. Main trolley; 52. Auxiliary trolley; 6. Material tank; 7. Crane; 8. Lining insulation layer; 81. Adhesive layer; 82. Heat insulation layer; 83. High temperature resistant layer; 84. Wear-resistant layer. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] like Figures 1 to 3 As shown, a dual-track positioning rotary kiln 2 calcined sand automatic transfer device is disclosed, including a ground track 1, an overhead track 4, a material tank transport vehicle 5, and a crane 7; the ground track 1 is located on the ground between the rotary kiln 2 and the furnace top silo 3; the overhead track 4 is located above the ground track 1 and parallel to the ground track 1; the material tank transport vehicle 5 is installed on the ground track 1; the material tank transport vehicle 5 is equipped with a material tank 6 for holding calcined sand, and the inner wall of the material tank 6 is provided with a lining insulation layer 8; the crane 7 is installed on the overhead track 4;

[0030] The material tank transport vehicle 5 includes a main trolley 51 and an auxiliary trolley 52. ​​When the main trolley 51 malfunctions, it can be quickly switched to the auxiliary trolley 52 to ensure continuous operation of the production line. Both the ground track 1 and the overhead track 4 are U-shaped tracks. The rotary kiln 2 and the furnace top hopper 3 are located on opposite sides of the transverse straight tracks on the U-shaped tracks. The longitudinal straight tracks on both sides of the U-shaped tracks are used to store either the malfunctioning main trolley 51 or the auxiliary trolley 52, facilitating the inspection and maintenance of the malfunctioning vehicle.

[0031] Both the material tanker 5 and the crane 7 are equipped with a positioning system based on the Gray bus principle. The positioning system enables the material tanker 5 and the crane 7 to operate automatically and with high precision on their respective tracks. The material tanker 5 and the crane 7 work together to achieve continuous and efficient transfer of calcined sand from the rotary kiln 2 to the furnace top silo 3.

[0032] The positioning system includes a Gray busbar, a signal receiving device, and a control device. The Gray busbar is laid beside the track, and the signal receiving device is installed on the tanker truck 5 and the crane 7. The signal receiving device receives the signal emitted by the Gray busbar and transmits it to the control device. The control device controls the operation of the tanker truck 5 and the crane 7 according to the signal to achieve high-precision positioning.

[0033] Gray busbar positioning technology is a non-contact position detection technology based on electromagnetic coupling, mainly used for the automation of large mobile machinery in industrial production. Its working principle involves communication through electromagnetic coupling between closely spaced flat Gray busbars and an antenna box, while simultaneously detecting the position of the antenna box along the length of the Gray busbar.

[0034] The Gray busbar positioning system, through the coordinated operation of the Gray busbar, signal receiving device, and control device, enables high-precision automatic operation of the material tanker 5 and crane 7 on their respective tracks. Compared to traditional positioning methods, it has smaller positioning errors, ensuring accurate transportation and loading / unloading of the material tank 6, reducing material spillage and equipment collisions caused by positioning deviations, and improving the accuracy and reliability of transfer. This positioning system, combined with an automated control system, achieves unmanned operation of the transfer process. Workers no longer need to perform manual positioning and operation in high-temperature and complex environments, reducing labor intensity, improving the working environment, and minimizing safety risks caused by human error, thus improving production safety and stability. The Gray busbar positioning technology is highly adaptable to the environment, operating stably even in harsh industrial production environments such as high temperatures and dust, ensuring the normal operation of the positioning system, providing reliable positioning assurance for calcined sand transfer, and ensuring the continuous and stable operation of the entire transfer system.

[0035] like Figure 3 As shown, the lining insulation layer 8 includes an adhesive layer 81, a heat insulation layer 82, a high-temperature resistant layer 83, and a wear-resistant layer 84 arranged sequentially from the inside to the outside.

[0036] The adhesive layer 81 is bonded to the inner wall of the material tank 6. The heat insulation layer 82 is made of ceramic fiber felt or rock wool board. The high-temperature resistant layer 83 is made of high-alumina refractory brick or corundum mullite brick. The wear-resistant layer 84 is made of silicon carbide wear-resistant material to form a wear-resistant coating or wear-resistant brick. The adhesive layer 81 uses a high-temperature adhesive. Made of high-temperature resistant and heat-insulating materials, it can effectively reduce the heat loss of calcined sand in the material tank 6, improve energy utilization efficiency, and extend the service life of the material tank 6.

[0037] The lining insulation layer 8 consists of an adhesive layer 81, a heat insulation layer 82, a high-temperature resistant layer 83, and a wear-resistant layer 84, with each layer having a clearly defined function. The heat insulation layer 82 is made of materials such as ceramic fiber felt or rock wool board, which have a low thermal conductivity and effectively block the heat from the calcined sand from being transferred to the outer wall of the material tank 6. The high-temperature resistant layer 83 is made of materials such as high-alumina refractory bricks, which can withstand high temperatures and have strong thermal shock resistance, preventing high temperatures from damaging the material tank 6. The combination of the two significantly reduces heat loss, improves energy utilization efficiency, and reduces production energy consumption.

[0038] The wear-resistant layer 84 is made of wear-resistant materials such as silicon carbide, which can reduce frictional loss during the loading, unloading and transfer of calcined sand; the high-temperature resistant layer 83 resists high-temperature erosion; and the adhesive layer 81 ensures that all layers are tightly bonded. These structures work together to enhance the adaptability of the material tank 6 to high-temperature and wear conditions, reduce the frequency of damage to the material tank 6, extend the service life of the material tank 6, and reduce equipment replacement and maintenance costs.

[0039] Both the ground track 1 and the overhead track 4 are made of high-strength, wear-resistant materials with smooth surfaces to reduce resistance during the operation of the tanker truck 5 and the crane 7, thereby improving transfer efficiency. Smoother equipment operation reduces energy consumption, shortens the operation time per vehicle, improves the efficiency of calcined sand transfer, accelerates production, and increases overall capacity. The high-strength, wear-resistant materials give the tracks excellent wear and deformation resistance, enabling them to withstand the heavy pressure and friction of the tanker truck 5 and crane 7 during long-term operation, reducing wear and damage, extending track service life, lowering maintenance and replacement costs, and ensuring the long-term stable operation of the transfer system.

[0040] Example 2

[0041] like Figure 1 , 2 As shown in Figure 4, the difference between this embodiment and the previous one is that the lining insulation layer 8 includes an adhesive layer 81, a heat insulation layer 82, a wear-resistant layer 84, and a high-temperature resistant layer 83 arranged sequentially from the inside to the outside.

[0042] The automatic transfer device for roasted sand in the rotary kiln 2, with dual-track positioning, employs a dual-track design. The ground track 1 and overhead track 4 have clearly defined functions, with the material tank transport vehicle 5 and crane 7 operating on their respective tracks without interference. The configuration of the main trolley 51 and auxiliary trolley 52 allows for rapid switching to the auxiliary trolley 52 when the main trolley 51 malfunctions. The auxiliary trolley 52, along with the longitudinal straight tracks on both sides of the U-shaped track, stores the faulty vehicle without affecting the overall transfer process. This prevents production line shutdowns due to equipment failure, ensuring continuous and stable production and minimizing economic losses from downtime.

[0043] The overhead track 4 is located above and parallel to the ground track 1, making full use of the three-dimensional space. Compared with the single track layout, it achieves a reasonable arrangement of equipment in a limited space, which not only meets the transportation needs, but also does not occupy too much ground space, and facilitates other production activities in the factory and equipment installation and maintenance.

[0044] The longitudinal straight tracks on both sides of the U-shaped track are specifically designed to store the main trolley 51 or auxiliary trolley 52 that has malfunctioned, providing a dedicated area for inspection and maintenance. Equipment can be quickly moved to this area in case of failure, avoiding the chaos and safety hazards caused by maintenance on the production line, while also facilitating centralized maintenance by technical personnel and improving maintenance efficiency.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic transfer device for roasted sand in a rotary kiln with dual-track positioning, characterized in that, include: Ground track (1) is located on the ground between the rotary kiln (2) and the furnace top silo (3); An overhead track (4) is set above the ground track (1) and parallel to the ground track (1); The material tanker (5) is installed on the ground track (1); the material tanker (5) is equipped with a material tank (6) for holding calcined sand, and the inner wall of the material tank (6) is lined with a heat insulation layer (8); A crane (7) is mounted on an overhead track (4); Both the material tanker (5) and the crane (7) are equipped with a positioning system based on the Gray bus principle. The positioning system enables the material tanker (5) and the crane (7) to operate automatically and with high precision on their respective tracks. The material tanker (5) and the crane (7) work together to achieve continuous and efficient transfer of roasted sand from the rotary kiln (2) to the furnace top silo (3).

2. The automatic transfer device for rotary kiln roasted sand with dual-track positioning according to claim 1, characterized in that: The tanker truck (5) includes a main trolley (51) and an auxiliary trolley (52). When the main trolley (51) malfunctions, it can be quickly switched to the auxiliary trolley (52).

3. The automatic transfer device for rotary kiln roasted sand with dual-track positioning according to claim 1, characterized in that: Both the ground track (1) and the overhead track (4) are U-shaped tracks. The rotary kiln (2) and the furnace top hopper (3) are located on both sides of the transverse straight track on the U-shaped track.

4. The automatic transfer device for rotary kiln roasted sand with dual-track positioning according to claim 1, characterized in that: The lining insulation layer (8) includes an adhesive layer (81), a heat insulation layer (82), a high temperature resistant layer (83), and a wear-resistant layer (84) arranged sequentially from the inside to the outside.

5. The automatic transfer device for rotary kiln roasted sand with dual-track positioning according to claim 1, characterized in that: The lining insulation layer (8) includes an adhesive layer (81), a heat insulation layer (82), a wear-resistant layer (84), and a high-temperature resistant layer (83) arranged sequentially from the inside to the outside.

6. An automatic transfer device for rotary kiln roasted sand with dual-track positioning according to claim 4 or 5, characterized in that: The adhesive layer (81) is bonded to the inner wall of the tank (6), the heat insulation layer (82) is made of ceramic fiber felt or rock wool board, the high temperature resistant layer (83) is made of high alumina refractory brick or corundum mullite brick; the wear-resistant layer (84) is made of wear-resistant coating or wear-resistant brick made of silicon carbide wear-resistant material; the adhesive layer (81) is made of high temperature adhesive.

7. The automatic transfer device for rotary kiln roasted sand with dual-track positioning according to claim 1, characterized in that: The positioning system includes a Gray busbar, a signal receiving device, and a control device. The Gray busbar is laid beside the track, and the signal receiving device is installed on the tanker truck (5) and the crane (7). The signal receiving device receives the signal emitted by the Gray busbar and transmits it to the control device. The control device controls the operation of the tanker truck (5) and the crane (7) according to the signal to achieve high-precision positioning.

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