CN116772600A - An intelligent protection device and explosion-proof method for graphitization furnace - Google Patents
An intelligent protection device and explosion-proof method for graphitization furnace Download PDFInfo
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Abstract
Description
技术领域Technical field
本发明涉及石墨化炉技术领域，尤其是涉及一种石墨化炉的智能防护装置，本发明还涉及一种石墨化炉的防爆方法。The present invention relates to the technical field of graphitization furnaces, and in particular to an intelligent protection device for graphitization furnaces. The present invention also relates to an explosion-proof method for graphitization furnaces.
背景技术Background technique
石墨化炉是一种用于化学领域的设备，通常用于聚丙烯腈碳纤维等材料的石墨化处理，进一步脱除氮、氧、氢等元素，纤维由乱层结构转化为类石墨结构。工作温度高达2800℃以上，升温速率每小时大于60度，并处于微正压0.1~0.4MPa的惰性气体氛围，正常作业状态下，炉体稳压系统能够稳定炉内压力，但当石墨化炉内发生漏水或者物料堵塞等情况时，造成炉内气压急剧增大，此时炉体稳压系统失效，炉内的高压及高温物料急需一个排泄通道，否则会产生较大的风险。Graphitization furnace is a type of equipment used in the chemical field. It is usually used for graphitization of materials such as polyacrylonitrile carbon fiber to further remove nitrogen, oxygen, hydrogen and other elements, and transform the fiber from a turbostratic structure into a graphite-like structure. The working temperature is as high as 2800°C, the heating rate is greater than 60 degrees per hour, and it is in an inert gas atmosphere with a slight positive pressure of 0.1~0.4MPa. Under normal operating conditions, the furnace pressure stabilizing system can stabilize the pressure in the furnace, but when the graphitization furnace When water leakage or material blockage occurs in the furnace, the air pressure in the furnace increases sharply. At this time, the pressure stabilization system of the furnace body fails. The high-pressure and high-temperature materials in the furnace urgently need a drainage channel, otherwise greater risks will occur.
CN203529940U公开了一种石墨化炉的防爆装置，包括高温炉、圆筒、钢板、弹簧，所述高温炉位于防爆装置的外部，所述圆筒位于高温炉内部，所述钢板与圆筒连接，所述弹簧与钢板连接。将一根不锈钢弹簧和一块不锈钢钢板放入不锈钢圆筒内，并将不锈钢圆筒固定在高温炉上，不锈钢圆筒与高温炉内相连。当炉内正压大于0.4Mpa时，不锈钢片就会被顶起，气体将通过防爆装置排出，可以起到迅速泄压减压的作用，从而达到防爆的作用。CN203529940U discloses an explosion-proof device for a graphitization furnace, which includes a high-temperature furnace, a cylinder, a steel plate, and a spring. The high-temperature furnace is located outside the explosion-proof device, the cylinder is located inside the high-temperature furnace, and the steel plate is connected to the cylinder. The spring is connected to the steel plate. Put a stainless steel spring and a stainless steel plate into a stainless steel cylinder, fix the stainless steel cylinder on the high temperature furnace, and the stainless steel cylinder is connected to the high temperature furnace. When the positive pressure in the furnace is greater than 0.4Mpa, the stainless steel sheet will be lifted up and the gas will be discharged through the explosion-proof device, which can quickly relieve pressure and reduce the pressure, thereby achieving the explosion-proof effect.
现有的石墨化炉在其防爆装置启动时，高温气体和物料极易直接喷发而出，从而易对使用者造成伤害，引发二次事故。When the explosion-proof device of the existing graphitization furnace is activated, high-temperature gas and materials can easily erupt directly, which can easily cause harm to users and cause secondary accidents.
发明内容Contents of the invention
本发明旨在解决现有技术中存在的至少一个缺陷。为此，本发明解决的技术问题在于提出一种石墨化炉的智能防护装置和石墨化炉的防爆方法，能够有效实现石墨化炉在运行过程中的防爆泄压，避免发生二次事故，保护石墨化炉。The present invention aims to solve at least one drawback existing in the prior art. To this end, the technical problem solved by the present invention is to propose an intelligent protection device for the graphitization furnace and an explosion-proof method for the graphitization furnace, which can effectively realize the explosion-proof and pressure relief of the graphitization furnace during operation, avoid secondary accidents, and protect the Graphitization furnace.
为了解决上述技术问题，一方面，本发明提供的石墨化炉的智能防护装置，包括第一端与石墨化炉连接的泄爆管道，设置在所述泄爆管道入口处的防爆片，与所述泄爆管道的另一端连通的喷淋塔，设置在所述泄爆管道出口处的防反串机构，位于所述喷淋塔内的热敏喷嘴和雾化喷嘴，为所述热敏喷嘴和雾化喷嘴供水的消防给水系统，设置在所述消防给水系统的供水管道上、控制所述雾化喷嘴进水的控制阀，设置在所述泄爆管道内的惰性气体热敏气嘴，与所述惰性气体热敏气嘴连接的惰性气体供应管道，与所述泄爆管道连接的干粉抑爆系统；所述干粉抑爆系统包括测量所述泄爆管道管内压力的压力传感器、或/和监测所述泄爆管道管内火焰状况的火焰监测传感器，与所述泄爆管道连接的干粉抑爆器，控制所述干粉抑爆器启闭的控制器，所述压力传感器或/和火焰监测传感器与所述控制器电连接；所述控制器还与所述控制阀电连接。In order to solve the above technical problems, on the one hand, the invention provides an intelligent protection device for a graphitization furnace, which includes an explosion-proof pipe with a first end connected to the graphitization furnace, an explosion-proof disc arranged at the entrance of the explosion-proof pipe, and the The spray tower connected to the other end of the explosion vent pipe, the anti-cross-crossing mechanism provided at the outlet of the explosion vent pipe, the thermal nozzle and the atomizing nozzle located in the spray tower are the thermal nozzle and A fire water supply system that supplies water to an atomizing nozzle, which is provided on the water supply pipeline of the fire water supply system, a control valve that controls the water inlet from the atomizing nozzle, an inert gas thermal gas nozzle provided in the explosion venting pipe, and An inert gas supply pipeline connected to the inert gas thermosensitive gas nozzle, and a dry powder explosion suppression system connected to the explosion venting pipeline; the dry powder explosion suppression system includes a pressure sensor that measures the pressure in the explosion venting pipeline, or/and A flame monitoring sensor that monitors the flame condition in the explosion venting pipeline, a dry powder explosion suppressor connected to the explosion venting pipeline, a controller that controls the opening and closing of the dry powder explosion suppressor, the pressure sensor or/and the flame monitoring sensor It is electrically connected to the controller; the controller is also electrically connected to the control valve.
作为进一步的改进技术方案，本发明提供的石墨化炉的智能防护装置，所述消防给水系统为消防气体顶压给水系统。As a further improved technical solution, the present invention provides an intelligent protection device for a graphitization furnace, and the fire water supply system is a fire gas top pressure water supply system.
作为进一步的改进技术方案，本发明提供的石墨化炉的智能防护装置，所述喷淋塔的顶部设有钢丝网。As a further improved technical solution, the present invention provides an intelligent protection device for a graphitization furnace, in which a steel mesh is provided on the top of the spray tower.
作为进一步的改进技术方案，本发明提供的石墨化炉的智能防护装置，所述喷淋塔的顶部设有避雷针。As a further improved technical solution, the present invention provides an intelligent protection device for a graphitization furnace, in which a lightning rod is provided on the top of the spray tower.
作为进一步的改进技术方案，本发明提供的石墨化炉的智能防护装置，所述惰性气体热敏气嘴、热敏喷嘴和雾化喷嘴均为90°实心锥喷嘴。As a further improved technical solution, the present invention provides an intelligent protection device for a graphitization furnace, in which the inert gas thermal gas nozzle, the thermal nozzle and the atomizing nozzle are all 90° solid cone nozzles.
作为进一步的改进技术方案，本发明提供的石墨化炉的智能防护装置，所述防反串机构为自重密封盖，所述自重密封盖通过铰链与所述泄爆管道铰接，泄爆管道近自重密封盖端与自重密封盖之间设有软毡密封，当泄爆管道内的压力值高于设定值时，防反串机构打开，当压力低于设定值时，防反串机构关闭。As a further improved technical solution, the invention provides an intelligent protection device for a graphitization furnace. The anti-backflow mechanism is a self-weight sealing cover. The self-weight sealing cover is hinged with the explosion vent pipe through a hinge. The explosion vent pipe is nearly self-weight sealed. There is a soft felt seal between the cover end and the self-weight sealing cover. When the pressure value in the explosion vent pipe is higher than the set value, the anti-backflow mechanism opens. When the pressure is lower than the set value, the anti-backflow mechanism closes.
为了解决上述技术问题，另一方面，本发明提供一种用于石墨化炉的防爆方法，应用于石墨化炉的智能防护装置，所述石墨化炉的智能防护装置包括第一端与石墨化炉连接的泄爆管道，设置在所述泄爆管道入口处的防爆片，与所述泄爆管道的另一端连通的喷淋塔，设置在所述泄爆管道出口处的防反串机构，位于所述喷淋塔内的热敏喷嘴和雾化喷嘴，为所述热敏喷嘴和雾化喷嘴供水的消防给水系统，设置在所述消防给水系统的供水管道上、控制所述雾化喷嘴进水的控制阀，设置在所述泄爆管道内的惰性气体热敏气嘴，与所述惰性气体热敏气嘴连接的惰性气体供应管道，与所述泄爆管道连接的干粉抑爆系统；所述干粉抑爆系统包括测量所述泄爆管道管内压力的压力传感器、或/和监测所述泄爆管道管内火焰状况的火焰监测传感器，与所述泄爆管道连接的干粉抑爆器，控制所述干粉抑爆器启闭的控制器，所述压力传感器或/和火焰监测传感器与所述控制器电连接；所述控制器还与所述控制阀电连接；防爆控制过程包括以下步骤：In order to solve the above technical problems, on the other hand, the present invention provides an explosion-proof method for a graphitization furnace, which is applied to an intelligent protection device of the graphitization furnace. The intelligent protection device of the graphitization furnace includes a first end and a graphitization furnace. The explosion venting pipeline connected to the furnace, the explosion-proof disc provided at the entrance of the explosion venting pipeline, the spray tower connected to the other end of the explosion venting pipeline, and the anti-cross-crossing mechanism provided at the outlet of the explosion venting pipeline are located The heat-sensitive nozzles and atomization nozzles in the spray tower are the fire-fighting water supply system that supplies water to the heat-sensitive nozzles and atomization nozzles. They are arranged on the water supply pipeline of the fire-fighting water supply system and control the flow of the atomization nozzles. A water control valve, an inert gas thermal gas nozzle installed in the explosion vent pipeline, an inert gas supply pipeline connected to the inert gas thermal gas nozzle, and a dry powder explosion suppression system connected to the explosion vent pipeline; The dry powder explosion suppression system includes a pressure sensor that measures the pressure in the explosion venting pipeline, or/and a flame monitoring sensor that monitors the flame condition in the explosion venting pipeline, a dry powder explosion suppressor connected to the explosion venting pipeline, and controls The controller for opening and closing the dry powder explosion suppressor, the pressure sensor or/and the flame monitoring sensor is electrically connected to the controller; the controller is also electrically connected to the control valve; the explosion-proof control process includes the following steps:
当石墨化炉内压力达到防爆片爆破压力时，防爆片爆破，石墨化炉通过所述防爆片、泄爆管道和防反串机构泄压，石墨化炉内物料进入所述喷淋塔内；当防爆片爆破后，泄爆管道内温度达到惰性气体热敏气嘴开启温度后，惰性气体热敏气嘴开启向泄爆管道内喷入惰性气体；当喷淋塔内温度达到热敏喷嘴开启温度后，热敏喷嘴开启，消防给水系统通过热敏喷嘴向喷淋塔喷水；压力传感器检测到泄爆管道内压力升高，或/和火焰监测传感器检测到泄爆管道内有火焰时，所述压力传感器或火焰监测传感器向控制器发出开启干粉抑爆器指令，所述干粉抑爆器开启；控制器发出开启干粉抑爆器指令时，所述控制器还向所述控制阀发出开启指令，控制阀开启后通过所述雾化喷嘴向喷淋塔内喷水。When the pressure in the graphitization furnace reaches the bursting pressure of the explosion-proof disc, the explosion-proof disc explodes. The graphitization furnace releases the pressure through the explosion-proof disc, explosion-proof pipe and anti-backflow mechanism, and the materials in the graphitization furnace enter the spray tower; when After the explosion-proof disc explodes, when the temperature in the explosion vent pipe reaches the opening temperature of the inert gas thermal nozzle, the inert gas thermal gas nozzle opens and sprays inert gas into the explosion vent pipe; when the temperature in the spray tower reaches the opening temperature of the thermal nozzle Then, the thermal nozzle is opened, and the fire water supply system sprays water to the spray tower through the thermal nozzle; when the pressure sensor detects an increase in pressure in the explosion vent pipe, or/and the flame monitoring sensor detects a flame in the explosion vent pipe, all The pressure sensor or flame monitoring sensor sends an instruction to the controller to open the dry powder explosion suppressor, and the dry powder explosion suppressor is turned on; when the controller sends an instruction to open the dry powder explosion suppressor, the controller also sends an opening instruction to the control valve. , after the control valve is opened, water is sprayed into the spray tower through the atomizing nozzle.
本发明提供的技术方案，防爆片、热敏喷嘴、惰性气体热敏气嘴属于机械式打开方式，能够有效的防止误操作或者传感器延迟、损坏触发带来的危害，极大的提高了石墨化炉的安全性和稳定性，在意外应急情况下及时提供泄压、冷却、惰性环境保护，避免安全事故和二次事故的发生。In the technical solution provided by the present invention, the explosion-proof disc, thermal nozzle, and inert gas thermal gas nozzle are mechanically opened, which can effectively prevent harm caused by misoperation or sensor delay or damage triggering, and greatly improve graphitization. It ensures the safety and stability of the furnace and provides timely pressure relief, cooling and inert environmental protection in case of unexpected emergencies to avoid safety accidents and secondary accidents.
附图说明Description of drawings
附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The drawings are used to provide a further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached picture:
图1为实施例1石墨化炉的智能防护装置的结构示意图。Figure 1 is a schematic structural diagram of the intelligent protection device of the graphitization furnace in Embodiment 1.
实施方式Implementation
下面结合附图对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings.
如图1所示的石墨化炉的智能防护装置，包括第一端与石墨化炉1连接的泄爆管道2，设置在所述泄爆管道2入口处的防爆片3，与所述泄爆管道2的另一端连通的喷淋塔4，设置在所述泄爆管道2出口处的防反串机构5，位于所述喷淋塔4内的热敏喷嘴6和雾化喷嘴7，为所述热敏喷嘴6和雾化喷嘴7供水的消防给水系统8，设置在所述消防给水系统8的供水管道上、控制所述雾化喷嘴7进水的控制阀9，设置在所述泄爆管道2内的惰性气体热敏气嘴10，与所述惰性气体热敏气嘴10连接的惰性气体供应管道，与所述泄爆管道2连接的干粉抑爆系统11；所述干粉抑爆系统11包括测量所述泄爆管道2管内压力的压力传感器、或/和监测所述泄爆管道2管内火焰状况的火焰监测传感器，与所述泄爆管道2连接的干粉抑爆器，控制所述干粉抑爆器启闭的控制器，所述压力传感器或/和火焰监测传感器与所述控制器电连接；所述控制器还与所述控制阀9电连接，控制器可以是PLC、工控机等。The intelligent protection device of the graphitization furnace as shown in Figure 1 includes an explosion-proof pipe 2 with a first end connected to the graphitization furnace 1, an explosion-proof disc 3 arranged at the entrance of the explosion-proof pipe 2, and an explosion-proof pipe 2 connected with the explosion-proof pipe 2. The spray tower 4 connected to the other end of the pipeline 2, the anti-cross-flow mechanism 5 provided at the outlet of the explosion vent pipeline 2, the thermal nozzle 6 and the atomizing nozzle 7 located in the spray tower 4 are the above-mentioned The fire-fighting water supply system 8 that supplies water to the thermal nozzle 6 and the atomizing nozzle 7 is arranged on the water supply pipeline of the fire-fighting water supply system 8. The control valve 9 that controls the water inlet of the atomizing nozzle 7 is arranged on the explosion-proof pipeline. The inert gas thermal gas nozzle 10 in 2, the inert gas supply pipeline connected to the inert gas thermal gas nozzle 10, the dry powder explosion suppression system 11 connected to the explosion venting pipeline 2; the dry powder explosion suppression system 11 It includes a pressure sensor that measures the pressure in the explosion vent pipe 2, or/and a flame monitoring sensor that monitors the flame condition in the explosion vent pipe 2, and a dry powder explosion suppressor connected to the explosion vent pipe 2 to control the dry powder The controller for opening and closing the explosion suppressor, the pressure sensor or/and the flame monitoring sensor is electrically connected to the controller; the controller is also electrically connected to the control valve 9, and the controller can be a PLC, an industrial computer, etc. .
其中的一个实施例，惰性气体热敏气嘴10设置在泄爆管道2的近防爆片3一端，惰性气体热敏气嘴10为90°实心锥喷嘴，材质为310S不锈钢，喷嘴前端玻璃珠破坏温度80℃。热敏喷嘴6为90°实心锥喷嘴，材质为310S不锈钢，喷嘴前端玻璃珠破坏温度80℃，雾化喷嘴7为90°实心锥喷嘴，材质为310S不锈钢。干粉抑爆系统11设置在泄爆管道2的三分之二处，当高温物料经过干粉抑爆系统11位置处时，干粉抑爆系统11打开，向管内喷入干粉，对泄爆管道2进行抑爆、冷却。消防给水系统8采用消防气体顶压给水系统，消防气体顶压给水系统包括气压水罐、控制柜、顶压储气系统、减压释放装置等部件，消防状态时，压缩气体充入气压水罐，置换出罐内消防储水，能始终保持供水管道内的消防额定工作压力，不易受断电、断气的影响。In one embodiment, the inert gas thermal gas nozzle 10 is installed at one end of the explosion vent pipe 2 near the explosion-proof disc 3. The inert gas thermal gas nozzle 10 is a 90° solid cone nozzle, made of 310S stainless steel, and the glass beads at the front end of the nozzle are broken. Temperature 80℃. Thermal nozzle 6 is a 90° solid cone nozzle, made of 310S stainless steel, and the glass bead destruction temperature at the front of the nozzle is 80°C. The atomizing nozzle 7 is a 90° solid cone nozzle, made of 310S stainless steel. The dry powder explosion suppression system 11 is installed at two-thirds of the explosion venting pipe 2. When the high-temperature material passes through the dry powder explosion suppressing system 11, the dry powder explosion suppressing system 11 opens, sprays dry powder into the pipe, and performs inspection on the explosion venting pipe 2. Explosion suppression and cooling. The fire water supply system 8 adopts a fire gas top pressure water supply system. The fire gas top pressure water supply system includes a pressure water tank, a control cabinet, a top pressure gas storage system, a pressure reduction release device and other components. During the firefighting state, compressed gas is filled into the pressure water tank. , replacing the fire-fighting water storage in the tank, which can always maintain the fire-fighting rated working pressure in the water supply pipeline and is not easily affected by power and gas outages.
石墨化炉运行过程中，当石墨化炉1因漏水或者堵料等原因造成石墨化炉稳压系统失效，当石墨化炉1内压力达到防爆片3爆破压力时，防爆片3爆破，石墨化炉1通过所述防爆片3、泄爆管道2和防反串机构5泄压，石墨化炉1内物料进入所述喷淋塔4内。当防爆片3爆破后，泄爆管道2内温度达到惰性气体热敏气嘴10开启温度后，惰性气体热敏气嘴10开启向泄爆管道2内喷入惰性气体。当喷淋塔4内温度达到热敏喷嘴6开启温度后，热敏喷嘴6开启，消防给水系统8通过热敏喷嘴6向喷淋塔4喷水。压力传感器检测到泄爆管道2内压力升高，或/和火焰监测传感器检测到泄爆管道2内有火焰时，所述压力传感器或火焰监测传感器向控制器发出开启干粉抑爆器指令，所述干粉抑爆器开启；控制器发出开启干粉抑爆器指令时，所述控制器还向所述控制阀9发出开启指令，控制阀9开启后通过所述雾化喷嘴7向喷淋塔4内喷水。During the operation of the graphitization furnace, when the graphitization furnace 1's pressure stabilizing system fails due to water leakage or blockage, etc., when the pressure in the graphitization furnace 1 reaches the bursting pressure of the explosion-proof disc 3, the explosion-proof disc 3 bursts and graphitization occurs. The furnace 1 relieves pressure through the explosion-proof disc 3, explosion-proof pipe 2 and anti-cross-flow mechanism 5, and the materials in the graphitization furnace 1 enter the spray tower 4. When the explosion-proof disc 3 explodes and the temperature in the explosion venting pipe 2 reaches the opening temperature of the inert gas thermal-sensitive gas nozzle 10, the inert gas thermal-sensitive gas nozzle 10 opens and injects inert gas into the explosion venting pipe 2. When the temperature in the spray tower 4 reaches the opening temperature of the thermal nozzle 6, the thermal nozzle 6 is opened, and the fire water supply system 8 sprays water to the spray tower 4 through the thermal nozzle 6. When the pressure sensor detects an increase in pressure in the explosion vent pipe 2, or/and the flame monitoring sensor detects a flame in the explosion vent pipe 2, the pressure sensor or flame monitoring sensor sends an instruction to the controller to turn on the dry powder explosion suppressor, so The dry powder explosion suppressor is turned on; when the controller issues an instruction to turn on the dry powder explosion suppressor, the controller also issues an opening instruction to the control valve 9. After the control valve 9 is opened, the control valve 9 sprays water to the spray tower 4 through the atomizing nozzle 7. Spray water inside.
防爆片3爆破时，石墨化炉1与泄爆管道2直接相通，炉内的高温物料及压力通过泄爆管道2泄出。炉内的高温物料进入泄爆管道2内后，泄爆管道2内温度超过惰性气体热敏气嘴10的玻璃珠破坏温度，惰性气体热敏气嘴10前端的玻璃珠爆开，连接惰性气体热敏气嘴10的惰性气体管路为常开，此时惰性气体通过惰性气体热敏气嘴10对泄爆管道2进行冷却，防止氧气进入到石墨化炉1，同时提供一个惰性气体惰性保护环境，防止发生火灾。When the explosion-proof disc 3 explodes, the graphitization furnace 1 is directly connected to the explosion relief pipe 2, and the high-temperature materials and pressure in the furnace are released through the explosion relief pipe 2. After the high-temperature materials in the furnace enter the explosion vent pipe 2, the temperature in the explosion vent pipe 2 exceeds the glass bead destruction temperature of the inert gas thermal gas nozzle 10, and the glass beads at the front end of the inert gas thermal gas nozzle 10 explode, connecting the inert gas The inert gas pipeline of the thermal gas nozzle 10 is normally open. At this time, the inert gas cools the explosion vent pipe 2 through the inert gas thermal gas nozzle 10 to prevent oxygen from entering the graphitization furnace 1 and at the same time provide an inert gas inert protection. environment to prevent fires.
作为其中的一个实施例，泄爆管道2与喷淋塔4之间设置防反串机构5，防反串机构5优选自重密封盖，自重密封盖与泄爆管道2采用铰链连接，防反串机构5设计的自动打开压力值为5MPa（或其它设计值），泄爆管道2的近自重密封盖端与自重密封盖之间设有软毡密封件，当泄爆管道2内的压力值高于自重密封盖自动打开压力值时，自重密封盖打开，防爆片3爆破时，泄爆管道2内的压力将大于自重密封盖自动打开的压力值，自重密封盖打开，当炉内压力泄至低于自重密封盖自动打开压力值时，自重密封盖依靠自身重力关闭，避免外界物料、气体进入石墨化炉1内，从而实现对石墨化炉1的保护。防反串机构5具有防水、防火、防气反串功能作用。As one of the embodiments, an anti-cross-flow mechanism 5 is provided between the explosion vent pipe 2 and the spray tower 4. The anti-cross-flow mechanism 5 is preferably a self-weight sealing cover. The self-weight seal cover and the explosion vent pipe 2 are connected by a hinge. The anti-cross-flow mechanism 5 is designed The automatic opening pressure value is 5MPa (or other design value). There is a soft felt seal between the near self-weight sealing cover end of the explosion vent pipe 2 and the self-weight seal cover. When the pressure value in the explosion vent pipe 2 is higher than the self-weight seal When the pressure value of the cover automatically opens, the self-weight sealing cover opens, and when the explosion-proof disc 3 bursts, the pressure in the explosion vent pipe 2 will be greater than the pressure value at which the self-weight sealing cover automatically opens. When the self-weight sealing cover opens, when the pressure in the furnace is released to lower than the self-weight When the sealing cover automatically opens at a pressure value, the self-weighted sealing cover closes by its own gravity to prevent external materials and gases from entering the graphitization furnace 1, thereby protecting the graphitization furnace 1. The anti-cross-crossing mechanism 5 has the functions of waterproof, fireproof and gas-proof cross-crossing.
本发明提供的技术方案，当石墨化炉1内压力达到防爆片3爆破压力时，防爆片3爆破，通过泄爆管道2泄压，此时惰性气体热敏喷嘴6、防反串机构5和热敏喷嘴6自动打开，当压力传感器检测到泄爆管道内压力升高，或/和火焰监测传感器检测到泄爆管道内有火焰时，压力传感器或/和火焰监测传感器将检测信号发送至干粉抑爆系统11的控制器，控制器发送开启干粉抑爆器和控制阀9信号，干粉抑爆器开启向泄爆管道喷入干粉，控制阀9开启雾化喷嘴7向塔内喷出水雾，惰性气体通过惰性气体热敏气嘴10进入泄爆管道2内，对高温物料进行冷却，同时提供一个惰性气体保护环境，防止发生火灾。防爆片3被破坏后，当石墨化炉1内压力泄至一定程度时，防反串机构5依靠自身重力关闭，避免外界物料、空气进入石墨化炉1内，从而实现对石墨化炉1的保护。防爆片3、防反串机构5、惰性气体热敏喷嘴6、热敏喷嘴6均为自动开启机构，没有复杂的电气控制系统，在缺电的情况下也能正常开启，提高了系统的稳定性。The technical solution provided by the invention is that when the pressure in the graphitization furnace 1 reaches the bursting pressure of the explosion-proof disc 3, the explosion-proof disc 3 explodes and the pressure is released through the explosion-proof pipe 2. At this time, the inert gas thermal nozzle 6, the anti-cross-flow mechanism 5 and the thermal The sensitive nozzle 6 opens automatically. When the pressure sensor detects an increase in pressure in the explosion vent pipe, or/and the flame monitoring sensor detects a flame in the explosion vent pipe, the pressure sensor or/and the flame monitoring sensor sends a detection signal to the dry powder suppressor. The controller of the explosion system 11 sends a signal to open the dry powder explosion suppressor and the control valve 9. The dry powder explosion suppressor opens and sprays dry powder into the explosion vent pipe. The control valve 9 opens the atomizing nozzle 7 to spray water mist into the tower. The inert gas enters the explosion vent pipe 2 through the inert gas thermal gas nozzle 10 to cool the high-temperature material and at the same time provide an inert gas protective environment to prevent fire. After the explosion-proof disc 3 is destroyed, when the pressure in the graphitization furnace 1 is released to a certain extent, the anti-backflow mechanism 5 is closed by its own gravity to prevent external materials and air from entering the graphitization furnace 1, thereby protecting the graphitization furnace 1. . Explosion-proof disc 3, anti-cross-flow mechanism 5, inert gas thermal nozzle 6, and thermal nozzle 6 are all automatic opening mechanisms. They do not have complex electrical control systems and can be opened normally even in the event of power shortage, which improves the stability of the system. .
作为其中的一个实施例，所述喷淋塔4上部设有四组热敏喷嘴6，热敏喷嘴6采用的实心锥喷雾型喷嘴，热敏喷嘴6的玻璃珠破坏温度（热敏喷嘴6的开启温度）为80℃，与安装热敏喷嘴6的管道连接的消防给水系统8为消防气体顶压给水系统，属常开系统，安装热敏喷嘴6的管道内持续保持约1MPa的水压压力，当泄爆管道2的高温物料到达喷淋塔4内时，热敏喷嘴6前端的玻璃珠爆开，对高温物料进行喷淋，达到冷却、防爆作用，对高温物料喷淋冷却过程中产生的气体从喷淋塔4的塔顶排出，降温后的高温物料落入喷淋塔4的塔底。As one of the embodiments, the upper part of the spray tower 4 is provided with four sets of thermal nozzles 6. The thermal nozzles 6 adopt a solid cone spray type nozzle. The glass bead destruction temperature of the thermal nozzle 6 (the thermal nozzle 6) Opening temperature) is 80°C. The fire water supply system 8 connected to the pipe where the thermal nozzle 6 is installed is a fire gas top pressure water supply system, which is a normally open system. The water pressure of about 1MPa is continuously maintained in the pipe where the thermal nozzle 6 is installed. , when the high-temperature material in the explosion vent pipe 2 reaches the spray tower 4, the glass beads at the front end of the thermal nozzle 6 explode and spray the high-temperature material to achieve cooling and explosion-proof effects. The gas is discharged from the top of the spray tower 4, and the cooled high-temperature material falls into the bottom of the spray tower 4.
作为其中的一个实施例，所述喷淋塔4中部设有四组雾化喷嘴7，雾化喷嘴7采用的实心锥喷雾型喷嘴，雾化喷嘴7与消防给水系统8通过管道连接，管道上设有并联的两组电磁控制阀9，两组控制阀9为一用一备，连接控制阀9管路的消防给水系统8为消防气体顶压给水系统，属常开系统，管道内持续保持约1MPa的水压压力，当压力传感器检测到泄爆管道内压力升高，或/和火焰监测传感器检测到泄爆管道内有火焰时，所述压力传感器或火焰监测传感器向控制器发出开启干粉抑爆器指令，干粉抑爆器开启；干粉抑爆器开启时，所述控制器向控制阀9发出开启指令，控制阀9开启后通过雾化喷嘴7向喷淋塔4内喷水，对喷淋塔4内物料进行喷淋、冷却。当高温物料经过四组热敏喷嘴6喷淋、降温后，再经四组雾化喷嘴7对其继续喷淋、降温，直至物料落入塔底。As one example, there are four groups of atomizing nozzles 7 in the middle of the spray tower 4. The atomizing nozzles 7 are solid cone spray nozzles. The atomizing nozzles 7 are connected to the fire water supply system 8 through pipelines. There are two sets of parallel electromagnetic control valves 9, one for use and one for standby. The fire water supply system 8 connected to the pipeline of the control valve 9 is a fire gas top pressure water supply system, which is a normally open system and is continuously maintained in the pipeline. The water pressure is about 1MPa. When the pressure sensor detects an increase in pressure in the explosion vent pipe, or/and the flame monitoring sensor detects a flame in the explosion vent pipe, the pressure sensor or flame monitoring sensor sends an opening dry powder signal to the controller. Explosion suppressor command, the dry powder explosion suppressor is turned on; when the dry powder explosion suppressor is turned on, the controller sends an opening instruction to the control valve 9. After the control valve 9 is turned on, water is sprayed into the spray tower 4 through the atomizing nozzle 7. The materials in the spray tower 4 are sprayed and cooled. After the high-temperature material is sprayed and cooled by four sets of thermal nozzles 6, it is continued to be sprayed and cooled by four sets of atomizing nozzles 7 until the material falls into the bottom of the tower.
作为其中的一个实施例，喷淋塔4顶部设有一层钢丝网12，在不影响泄气的前提下防止异物掉入塔内，喷淋塔顶部设有避雷针13与车间避雷系统连接，起到避雷作用。As one of the embodiments, a layer of steel mesh 12 is provided on the top of the spray tower 4 to prevent foreign matter from falling into the tower without affecting air leakage. A lightning rod 13 is provided on the top of the spray tower to connect to the workshop lightning protection system to provide lightning protection. effect.
本发明不限于以上优选实施方式，还可在本发明权利要求和说明书限定的精神内，进行多种形式的变换和改进，能解决同样的技术问题，并取得预期的技术效果，故不重述。本领域的普通技术人员能从本发明公开的内容直接或联想到的所有方案，只要在权利要求限定的精神之内，也属于本发明的保护范围。The present invention is not limited to the above preferred embodiments. It can also be transformed and improved in various forms within the spirit defined by the claims and description of the present invention. It can solve the same technical problems and achieve the expected technical effects, so it will not be repeated. . All solutions that a person of ordinary skill in the art can directly or associate from the disclosed content of the present invention also belong to the protection scope of the present invention as long as they are within the spirit defined by the claims.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208561696U (en) * | 2018-07-11 | 2019-03-01 | 河北坤天新能源科技有限公司 | A kind of explosion-proof type acheson furnace |
| KR102315610B1 (en) * | 2021-06-10 | 2021-10-21 | 에스아이에스 주식회사 | Vertical graphitization furnace system |
| CN217947685U (en) * | 2022-08-05 | 2022-12-02 | 包头汉思新材料科技有限公司 | Explosion-proof device of high-temperature graphitizing furnace |
| CN218409024U (en) * | 2022-10-20 | 2023-01-31 | 五星新材科技有限公司 | Graphitizing furnace is with tail gas collecting pipeline with explosion-proof function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208561696U (en) * | 2018-07-11 | 2019-03-01 | 河北坤天新能源科技有限公司 | A kind of explosion-proof type acheson furnace |
| KR102315610B1 (en) * | 2021-06-10 | 2021-10-21 | 에스아이에스 주식회사 | Vertical graphitization furnace system |
| CN217947685U (en) * | 2022-08-05 | 2022-12-02 | 包头汉思新材料科技有限公司 | Explosion-proof device of high-temperature graphitizing furnace |
| CN218409024U (en) * | 2022-10-20 | 2023-01-31 | 五星新材科技有限公司 | Graphitizing furnace is with tail gas collecting pipeline with explosion-proof function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024212805A1 (en) * | 2023-04-10 | 2024-10-17 | 湖南博邦山河新材料有限公司 | Continuous graphitization and purification furnace, and protection device and cooling system therefor |
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