Intelligent anti-backfire safety system and control method for a tank furnace

Abstract

The present application relates to the technical fields of tank furnace calcination, in particular to a kind of tank furnace intelligent anti-backfire safety system and control method, safety system includes operation platform, control cabinet and face recognition access control system, the face recognition access control system includes two face recognition devices, two face recognition devices are respectively arranged in operation platform both ends, the face recognition device is used to identify whether worker enters operation platform, the electromagnetic valve of face recognition access control system and dust cleaning system is connected with control cabinet signal, the control cabinet is used to close the corresponding electromagnetic valve in dust cleaning system when face recognition access control system identifies worker enters operation platform.It can be identified whether worker enters operation platform to start and stop electromagnetic valve by setting face recognition access control system in operation platform both ends, and it is connected with electromagnetic valve and jointly accessed control cabinet, eliminate the security risk of current dust cleaning system.

Description

Technical Field

[0001] This invention relates to the field of calcination technology for pot furnaces, and in particular to an intelligent anti-backfire safety system and control method for pot furnaces. Background Technology

[0002] The calcined coke is mainly used for processing carbon materials such as prebaked anodes, cathodes, and negative electrodes for aluminum. More than 80% of the output is produced using a pot furnace calcination process. The main production operations of the pot furnace are temperature regulation and cleaning of the volatile matter channels. As companies gradually increase their level of automation, manual temperature regulation is gradually being replaced by automatic temperature regulation systems, and manual cleaning of the volatile matter channels is also gradually being replaced by automatic ash removal systems.

[0003] Automated ash removal systems have been implemented in existing pot furnace projects, significantly reducing the labor intensity of manual ash removal operations and avoiding the dangers of manual operation. However, the automated ash removal system has a safety risk during operation: compressed nitrogen injected into the volatile matter vertical channel of the pot furnace front wall, due to a pressure of 0.3-0.5 MPa, causes flames to escape from the furnace. These flames mainly erupt outside the furnace through the flap valve at the inlet of the first-level fire channel on the front wall. Workers on the operating platform cannot predict these flames when inspecting or adjusting the temperature, posing a significant safety hazard to the automated ash removal system. To avoid personal injury, workers currently avoid looking directly into the fire channel during fire observation, opting instead for side observation or observation from a distance. However, the range of the flames is uncontrollable, and this method still cannot completely eliminate the danger. Summary of the Invention

[0004] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides an intelligent anti-backfire safety system and control method for a tank furnace. By setting up a facial recognition access control system at both ends of the operating platform and connecting it together with the solenoid valve into the control cabinet, it can identify whether a worker has entered the operating platform to start or stop the solenoid valve, thus eliminating the safety hazards of the current ash removal system.

[0005] A smart anti-backfire safety system for a furnace includes an operating platform, a control cabinet, and a facial recognition access control system. The facial recognition access control system includes two facial recognition devices, which are respectively installed at both ends of the operating platform. The facial recognition devices are used to identify whether a worker has entered the operating platform. The solenoid valves of the facial recognition access control system and the ash removal system are both connected to the control cabinet. The control cabinet is used to close the corresponding solenoid valve in the ash removal system when the facial recognition access control system detects that a worker has entered the operating platform.

[0006] By installing facial recognition access control systems at both ends of the operating platform and connecting them to the control cabinet along with solenoid valves, it is possible to identify whether a worker has entered the operating platform. This enables the corresponding solenoid valve in the ash removal system to be closed when a worker enters, and the flame spraying stops when the solenoid valve is closed. This eliminates the safety hazards of the current ash removal system and ensures the personal safety of the workers.

[0007] Furthermore, the facial recognition access control system activates the solenoid valve after all workers who entered the operating platform have left.

[0008] By restricting the opening conditions of the solenoid valve, the personal safety of workers is further guaranteed.

[0009] Furthermore, the facial recognition access control system includes turnstiles located at both ends of the operating platform. The turnstiles open when the facial recognition device recognizes a worker.

[0010] By setting up turnstiles to control worker access, situations where workers enter the operating platform without passing facial recognition are prevented, thus eliminating safety hazards.

[0011] Furthermore, the facial recognition access control system has recorded the facial information of the operators.

[0012] By recording facial information into the facial recognition access control system, only workers with operating permissions can be allowed to enter, preventing unauthorized personnel from entering the operating platform.

[0013] Furthermore, the operating platform is located on the front wall of the furnace and is used for adjusting the first-layer fire channel damper on the front wall and manually cleaning the volatile matter channel. The operating platform is equipped with safety guard posts.

[0014] A method for intelligent backfire prevention control of a pot furnace, which employs an intelligent backfire prevention safety system for pot furnaces, includes the following steps; S1. When the facial recognition access control system detects a worker entering the operating platform, it sends a person signal to the control cabinet and records the number of workers entering. Upon receiving the signal, the control cabinet closes the corresponding solenoid valve in the dust removal system. S2. After the facial recognition access control system detects that all workers have left the operating platform, it sends an unattended signal to the control cabinet. Upon receiving the unattended signal, the control cabinet opens the solenoid valve of the dust removal system.

[0015] By designing a control method, the corresponding solenoid valve in the ash removal system is closed when a worker enters. When the solenoid valve is closed, the flame spraying stops, eliminating the safety hazards of the current ash removal system and ensuring the personal safety of the workers.

[0016] The beneficial effects of this invention are: The present invention discloses an intelligent anti-backfire safety system and control method for a pot furnace. A facial recognition access control system is installed at both ends of the operating platform and connected to the control cabinet together with the solenoid valve. It can identify whether a worker has entered the operating platform and realize the closure of the solenoid valve of the ash removal system when a worker enters. When the solenoid valve is closed, the flame external spraying stops, eliminating the safety hazards of the current ash removal system and ensuring the personal safety of the workers. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an intelligent anti-backfire safety system for a pot furnace according to the present invention.

[0018] In the diagram: 1. Tank furnace; 2. Steel platform; 3. Safety railing; 4. Turnstile; 5. Facial recognition device; 6. Control cabinet; 7. Solenoid valve. Detailed Implementation

[0019] To better explain and facilitate understanding of the present invention, it will be described in detail below with reference to the accompanying drawings and specific embodiments. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a clearer and more thorough understanding of the invention and to fully convey the scope of the invention to those skilled in the art.

[0020] like Figure 1 As shown, an intelligent anti-backfire safety system for a tank furnace includes an operating platform 2, a control cabinet 6, and a facial recognition access control system. The facial recognition access control system includes two facial recognition devices 5, which are respectively installed at both ends of the operating platform 2. The facial recognition devices 5 are used to identify whether a worker has entered the operating platform 2. The solenoid valves 7 of the facial recognition access control system and the ash removal system are both connected to the control cabinet 6. The control cabinet 6 is used to close the corresponding solenoid valve 7 in the ash removal system when the facial recognition access control system detects that a worker has entered the operating platform 2.

[0021] By installing facial recognition access control systems at both ends of the operating platform 2 and connecting them together with the solenoid valve 7 to the control cabinet 6, it is possible to identify whether a worker has entered the operating platform 2. This enables the corresponding solenoid valve 7 in the ash removal system to be closed when a worker enters. When the solenoid valve 7 is closed, the flame spraying stops, eliminating the safety hazards of the current ash removal system and ensuring the personal safety of the workers.

[0022] Each unit in the dust removal system has multiple solenoid valves 7 to control the blowing of different channels and positions. Each unit has four vertical channels for volatile matter on the front wall. Blowing in the channels at the vertical channels can easily create positive pressure and cause flames to be sprayed out of the air door of the first-floor fire duct. The corresponding solenoid valve 7 in this invention is the solenoid valve 7 that controls the blowing of the vertical channel. Based on the facial recognition access control system, it is interlocked and closed under the control of the control cabinet 6. At this time, the other solenoid valves 7 are in normal working condition, ensuring that no flames will be sprayed out after personnel enter the operating area.

[0023] Specifically, the facial recognition access control system activates the solenoid valve 7 after all workers who entered the operating platform 2 have left.

[0024] By restricting the opening conditions of solenoid valve 7, the personal safety of workers is further guaranteed.

[0025] Specifically, the facial recognition access control system includes turnstiles 4, which are located at both ends of the operating platform 2. When the facial recognition device 5 recognizes a worker, the turnstiles 4 open.

[0026] By setting up turnstile 4 to control workers' entry and exit, the situation where workers enter the operating platform 2 without passing the facial recognition test is prevented, thus eliminating safety hazards.

[0027] Specifically, the facial recognition access control system has recorded the facial information of the operators.

[0028] By recording facial information into the facial recognition access control system, only workers with operating permissions can be allowed to enter, preventing unauthorized personnel from entering the operating platform.

[0029] Specifically, the operating platform 2 is located on the front wall of the furnace 1. The operating platform 2 is used for adjusting the air damper of the first layer of the fire channel on the front wall and for manually cleaning the volatile matter channel. The operating platform 2 is equipped with safety guard posts.

[0030] The working process of an intelligent anti-backfire safety system for a pot furnace is as follows: When the facial recognition device 5 at one end of the operating platform 2 recognizes an operator whose facial information matches, the facial recognition access control system opens the gate 4, sends a presence signal to the control cabinet 6, and records the number of workers entering. Upon receiving the signal, the control cabinet 6 closes the solenoid valve 7 of the dust removal system, and the operator enters the operating platform 2.

[0031] When the facial recognition device 5 at the other end of the operating platform 2 recognizes an operator whose facial information matches, the facial recognition access control system opens the gate 4. After all the workers leave the operating platform 2, the facial recognition access control system sends an unattended signal to the control cabinet 6 and closes the gate 4. After receiving the unattended signal, the control cabinet 6 opens the solenoid valve 7 of the dust removal system.

[0032] A method for intelligent backfire prevention control of a pot furnace, which employs an intelligent backfire prevention safety system for pot furnaces, includes the following steps; S1. When the facial recognition access control system detects a worker entering the operating platform 2, it sends a person signal to the control cabinet 6 and records the number of workers entering. Upon receiving the signal, the control cabinet 6 closes the solenoid valve 7 of the dust removal system. S2. After the facial recognition access control system recognizes that all workers have left the operating platform 2, it sends an unattended signal to the control cabinet 6. After receiving the unattended signal, the control cabinet 6 opens the solenoid valve 7 of the dust removal system.

[0033] By designing a control method, the solenoid valve 7 of the ash removal system is closed when a worker enters. When the solenoid valve 7 is closed, the flame spraying stops, thus eliminating the safety hazards of the current ash removal system and ensuring the personal safety of the workers.

[0034] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A smart anti-backfire safety system for a pot furnace, characterized in that, The system includes an operating platform (2), a control cabinet (6), and a facial recognition access control system. The facial recognition access control system includes two facial recognition devices (5), which are respectively located at both ends of the operating platform (2). The facial recognition devices (5) are used to identify whether a worker has entered the operating platform (2). The solenoid valves (7) of the facial recognition access control system and the dust removal system are both connected to the control cabinet (6). The control cabinet (6) is used to close the corresponding solenoid valve (7) in the dust removal system when the facial recognition access control system detects that a worker has entered the operating platform (2).

2. The intelligent anti-backfire safety system for a pot furnace as described in claim 1, characterized in that: The facial recognition access control system activates the solenoid valve (7) after all workers who entered the operating platform (2) have left.

3. The intelligent anti-backfire safety system for a pot furnace as described in claim 1, characterized in that: The facial recognition access control system includes turnstiles (4), which are located at both ends of the operating platform (2). When the facial recognition device (5) recognizes a worker, the turnstiles (4) open.

4. The intelligent anti-backfire safety system for a pot furnace as described in claim 1, characterized in that: The facial recognition access control system has recorded the facial information of the operators.

5. The intelligent anti-backfire safety system for a pot furnace as described in claim 1, characterized in that: The operating platform (2) is located on the front wall of the furnace (1). The operating platform (2) is used for adjusting the first-layer fire channel damper on the front wall and manually cleaning the volatile matter channel. The operating platform (2) is equipped with safety guard posts.

6. A method for intelligent backfire prevention control of a pot furnace, comprising an intelligent backfire prevention safety system for a pot furnace as described in any one of claims 1-5, characterized in that, Includes the following steps; S1. When the facial recognition access control system recognizes that a worker has entered the operating platform (2), it sends a person signal to the control cabinet (6) and records the number of workers entering. Upon receiving the signal, the control cabinet (6) closes the corresponding solenoid valve (7) in the dust removal system. S2. After the facial recognition access control system recognizes that all workers have left the operating platform (2), it sends an unmanned signal to the control cabinet (6). After receiving the unmanned signal, the control cabinet (6) opens the solenoid valve (7) of the dust removal system.

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