An auxiliary cooling device for hot steel slag

Abstract

This utility model discloses an auxiliary cooling device for hot steel slag, relating to the technical field of cooling devices. It includes an outer shell frame, a motor, and a coolant tank. The motor is installed inside the outer shell frame and connected to the coolant tank via a pipe. The motor and coolant tank are connected to a cooling pipe box. A controller is installed inside the outer shell frame and connected to the motor. An auxiliary cooling box is installed outside the cooling pipe box, and a protective cover is installed on the auxiliary cooling box. During the cooling process, steel slag may explode and splash due to rapid cooling or slag agitation, with high-temperature particles directly ejected, potentially burning operators. This utility model uses a rotating shaft and motor to drive a 90° rotating protective cover with automatic opening and closing functions. It automatically opens during feeding to ensure smooth operation and automatically closes during cooling to ensure a sealing effect. This design balances ease of operation and protective performance.

Description

Technical Field

[0001] This utility model relates to the field of cooling device technology, specifically an auxiliary cooling device for hot steel slag. Background Technology

[0002] Auxiliary cooling devices for hot steel slag refer to equipment or systems that rapidly and safely cool steel slag after it has been removed from the furnace at high temperatures (above 1300℃) using mechanical or technological measures. An existing auxiliary cooling device for cable production (publication number: CN222867322U) exhibits at least the following defects during use:

[0003] 1. During the cooling process, steel slag may explode and splash due to rapid cooling or slag agitation, with high-temperature particles directly ejected, potentially burning operators. Without baffles, intense radiant heat leaks out directly, resulting in excessively high operating temperatures and increasing the risk of burns and heatstroke. Therefore, an auxiliary cooling device with protective plates is needed for hot steel slag.

[0004] 2. When workers approach the cooling tank for inspection or maintenance, if hot steel slag is still being fed in, it can easily splash and roll, causing severe burns. When personnel are working near the equipment, there is no guarantee that the feeding process will stop, and they could easily enter a dangerous area. Relying entirely on manual observation and manual shutdown significantly increases the probability of accidents if the operator's reaction is not timely. If slag jamming or abnormal water spraying is detected, personnel need to approach to investigate, but if the feeding process continues, a safe space cannot be guaranteed. Therefore, a burn-proof auxiliary cooling device for hot steel slag is needed. Utility Model Content

[0005] The main objective of this invention is to provide an auxiliary cooling device for hot steel slag, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An auxiliary cooling device for hot steel slag includes an outer frame, a motor, and a coolant tank. The motor is installed inside the outer frame and connected to the coolant tank via a pipe. The motor and coolant tank are connected to a cooling pipe box. A controller is installed inside the outer frame and connected to the motor. An auxiliary cooling box is installed outside the cooling pipe box. A protective cover is installed on the auxiliary cooling box. An inlet and an outlet are installed on the side of the auxiliary cooling box. An infrared sensor is installed on the side of the auxiliary cooling box.

[0008] Preferably, the protective cover can be rotated 90 degrees via a rotating shaft, and the rotating shaft is equipped with a rotating shaft motor.

[0009] Preferably, the inlet is equipped with an inlet conveyor belt, and the outlet is equipped with an outlet conveyor belt.

[0010] Preferably, the controller is connected to the feed conveyor belt and the discharge conveyor belt.

[0011] Preferably, the infrared sensor is connected to the feed conveyor belt and the discharge conveyor belt.

[0012] Preferably, the cooling pipe box is equipped with several cooling pipes.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The protective cover, which rotates 90° via a rotating shaft and motor drive, features automatic opening and closing. It opens automatically during feeding to ensure smooth operation and closes automatically during cooling to maintain a tight seal. This design balances ease of operation with excellent protective performance.

[0015] 2. The system monitors personnel approach in real time using infrared sensors. When a worker is detected approaching the cooling box, the system will automatically issue a command to immediately stop the operation of the feeding conveyor belt, thus cutting off the risk of high-temperature steel slag continuing to enter the cooling box at the source. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model from one perspective;

[0017] Figure 2 This is a schematic diagram of structure A of the present invention;

[0018] Figure 3 This is a schematic diagram of the overall structure of this utility model from two perspectives;

[0019] Figure 4 This is a schematic diagram of structure B of the present invention;

[0020] Figure 5 This is a schematic diagram of the C-structure of this utility model;

[0021] In the diagram: 1. Outer frame; 2. Motor; 3. Coolant tank; 4. Pipeline; 5. Cooling pipe box; 6. Controller; 7. Auxiliary cooling box; 8. Protective cover; 801. Shaft; 802. Shaft motor; 9. Feed inlet; 901. Feed conveyor belt; 10. Discharge outlet; 101. Discharge conveyor belt; 11. Infrared sensor. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example

[0026] Please see Figure 1-5 The present invention provides the following technical solution:

[0027] An auxiliary cooling device for hot steel slag includes an outer frame 1, a motor 2, and a coolant tank 3. The motor 2 is installed inside the outer frame 1 and is connected to the coolant tank 3 via a pipe 4. The motor 2 and the coolant tank 3 are connected to a cooling pipe box 5. A controller 6 is installed inside the outer frame 1 and is connected to the motor 2. An auxiliary cooling box 7 is installed outside the cooling pipe box 5. A protective cover 8 is installed on the auxiliary cooling box 7. An inlet 9 and an outlet 10 are installed on the side of the auxiliary cooling box 7. An infrared sensor 11 is installed on the side of the auxiliary cooling box 7.

[0028] Specifically: the protective cover 8 can be rotated 90 degrees by a rotating shaft 801, and the rotating shaft 801 is equipped with a rotating shaft motor 802.

[0029] Specifically: the feed inlet 9 is equipped with a feed conveyor belt 901, and the discharge outlet 10 is equipped with a discharge conveyor belt 101.

[0030] Specifically: The controller 6 is connected to the feed conveyor belt 901 and the discharge conveyor belt 101.

[0031] Specifically: The infrared sensor 11 is connected to the feed conveyor belt 901 and the discharge conveyor belt 101.

[0032] Specifically: The cooling pipe box 5 is equipped with several cooling pipes.

[0033] In this embodiment, a protective cover 8 is installed on the auxiliary cooling box 7. The protective cover 8 can be rotated 90 degrees by a rotating shaft 801, and a rotating shaft motor 802 is installed on the rotating shaft 801.

[0034] During the cooling process of steel slag, intense thermal stress changes and gasification reactions often occur, making it highly susceptible to explosions and splashing. Installing the protective cover 8 physically forms a barrier, effectively intercepting splashed particles inside the cooling box, thus preventing high-temperature molten slag from directly hitting the operator's body and significantly reducing the risk of burns. Simultaneously, the protective cover 8 insulates against high-temperature radiant heat, significantly reducing the intensity of heat radiation in the work area, keeping the on-site temperature within an acceptable range, reducing the risk of burns, heatstroke, and occupational health injuries caused by long-term heat radiation exposure, and significantly improving personnel safety and health.

[0035] During the cooling process, hot steel slag generates a large amount of steam and dust. Without protective measures, this steam and dust can easily diffuse outwards, leading to a sharp increase in workshop humidity, reduced visibility, and excessive dust concentration, thus increasing the risk of occupational diseases. The application of the protective cover 8 creates a relatively enclosed space in the cooling box, effectively suppressing the escape of high-temperature steam and dust. When used in conjunction with ventilation and dust removal devices, it enables targeted collection and centralized treatment. This not only improves the breathing environment for operators and reduces dust hazards but also reduces the corrosion of electrical equipment by the hot and humid environment, ensuring a clean and safe production environment.

[0036] Traditional open-type cooling often suffers from unstable cooling efficiency due to airflow diffusion and water mist dispersion. With the protective cover 8 closed, a relatively sealed space is created inside the cooling chamber, confining both airflow and atomized water mist within the target area. This improves the impact efficiency of the airflow and the contact probability of the water mist, ensuring a more concentrated cooling effect. This not only reduces the waste of cooling medium but also achieves an effective temperature reduction in the steel slag in a shorter time, shortening the cooling cycle and providing stable process conditions for subsequent processing steps.

[0037] High-temperature particles and steam, if they directly impact the device casing, motor 2, and sensors, will cause severe thermal shock and corrosive wear, thus shortening the equipment's lifespan. The protective cover 8 forms the first line of defense, preventing high-temperature media from directly contacting core components, thereby reducing maintenance frequency and extending the equipment's service life. Simultaneously, the protective cover 8 blocks some dust from escaping, reducing the amount of dust deposited on surrounding plant buildings, pipelines 4, and operating table surfaces, decreasing cleaning and maintenance costs, and lowering the company's long-term operating expenses.

[0038] The protective cover 8 in this device is not fixed, but rotates 90° driven by a motor (shaft 801), enabling automatic opening and closing. It automatically opens during feeding to ensure smooth operation and automatically closes during cooling to maintain a tight seal. This design balances ease of operation with protective performance. Furthermore, the protective cover 8 can be linked with the infrared sensor 11 and controller 6. When a person is detected approaching or an abnormal situation is detected, the system automatically stops feeding and closes the protective cover 8, achieving intelligent interlock control. This not only improves the overall automation and reliability but also avoids the safety hazards that might arise from complete reliance on manual intervention, making the device safer, smarter, and more controllable.

[0039] This hot steel slag auxiliary cooling device with a protective cover 8 comprehensively achieves improvements in many aspects, including personal safety protection, improved working environment, enhanced cooling efficiency, extended equipment life, and intelligent management. Compared with traditional devices, it has significant technological advancements and practical value.

[0040] In this embodiment, the auxiliary cooling box 7 is equipped with a feed inlet 9 and a discharge outlet 10 on its side, and an infrared sensor 11 is installed on the side of the auxiliary cooling box 7. The feed inlet 9 is equipped with a feed conveyor belt 901, and the discharge outlet 10 is equipped with a discharge conveyor belt 101. The controller 6 is connected to the feed conveyor belt 901 and the discharge conveyor belt 101, and the infrared sensor 11 is connected to the feed conveyor belt 901 and the discharge conveyor belt 101.

[0041] Infrared sensor 11 monitors personnel approach in real time. When it detects a worker near the cooling box, the system automatically issues a command to immediately stop the operation of the feeding conveyor belt 901, cutting off the risk of high-temperature steel slag continuing to enter the cooling box at the source. This effectively avoids serious burns caused by steel slag being turned over, rolled, or splashed during the feeding process, significantly improving the inherent safety level of the equipment.

[0042] In actual production, personnel need to periodically approach the cooling tank to check the temperature, observe the cooling effect, or troubleshoot malfunctions. Without interlocking protection, personnel can only rely on manual shutdown, which carries risks such as delayed response and instruction transmission. This device, however, can automatically stop the material the instant personnel approach, creating a safety window for operators and making the inspection and maintenance process more reliable.

[0043] When equipment malfunctions, such as slag jamming, abnormal spraying, or water circuit blockage, operators need to intervene quickly. In this case, infrared sensor 11 can immediately trigger a feed stop to prevent new steel slag from entering and ensure that the maintenance area is no longer subjected to new heat source impacts, thereby reducing the difficulty and danger of emergency response.

[0044] Traditional cooling systems rely on manual observation and shutdown, which can easily lead to accidents if staff are negligent, slow to react, or make operational errors. The automatic interlocking design using sensors and controller 6 dynamically links material feeding with personnel proximity, significantly reducing the risk of human error.

[0045] This design meets the requirements of modern metallurgical equipment for "intrinsic safety" and "intelligent interlocking protection." The automatic detection + automatic shutdown mode gives the equipment a higher level of intelligence and self-protection capabilities, while also complying with industry regulations and standards for safe production, reducing legal and management risks caused by a lack of protective functions.

[0046] Although automatic shutdown briefly pauses the machine when personnel approach, it effectively avoids prolonged downtime and accident handling costs caused by personnel injury. In the long run, it not only ensures safety but also improves the stable operating efficiency and overall economic benefits of the equipment.

[0047] This heat-resistant steel slag auxiliary cooling device, which prevents burns, utilizes the interlocking control between the infrared sensor 11 and the feeding conveyor belt 901 to achieve automated protection and immediate material stoppage upon personnel approach. It can effectively prevent burn accidents, improve the maintenance environment, reduce human operation risks, enhance emergency response capabilities, and improve the intelligence level and safety compliance of the equipment. It has significant practical value and promotion significance.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An auxiliary cooling device for hot steel slag, comprising a housing frame (1), an electric motor (2) and a cooling liquid tank (3), characterized in that: A motor (2) is installed inside the outer frame (1). The motor (2) is connected to the coolant tank (3) through a pipe (4). The motor (2) and the coolant tank (3) are connected to the cooling pipe box (5). A controller (6) is installed inside the outer frame (1). The controller (6) is connected to the motor (2). An auxiliary cooling box (7) is installed outside the cooling pipe box (5). A protective cover (8) is installed on the auxiliary cooling box (7). An inlet (9) and an outlet (10) are installed on the side of the auxiliary cooling box (7). An infrared sensor (11) is installed on the side of the auxiliary cooling box (7).

2. An auxiliary cooling device for hot steel slag according to claim 1, characterized in that: The protective cover (8) can be rotated 90 degrees via a rotating shaft (801), and the rotating shaft (801) is equipped with a rotating shaft motor (802).

3. The auxiliary cooling device for hot steel slag according to claim 1, characterized in that: The feed inlet (9) is equipped with a feed conveyor belt (901), and the discharge outlet (10) is equipped with a discharge conveyor belt (101).

4. The auxiliary cooling device for hot steel slag according to claim 1, characterized in that: The controller (6) is connected to the feed conveyor belt (901) and the discharge conveyor belt (101).

5. The auxiliary cooling device for hot steel slag according to claim 1, characterized in that: The infrared sensor (11) is connected to the feed conveyor belt (901) and the discharge conveyor belt (101).

6. The auxiliary cooling device for hot steel slag according to claim 1, characterized in that: The cooling pipe box (5) is equipped with several cooling pipes.

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