Automatic nitrogen charging fire extinguishing equipment for pulverized coal preparation system
By introducing automatic monitoring and fire extinguishing devices into the pulverized coal preparation system, the problems of high ignition point of pulverized coal and insufficient carbon monoxide detection were solved, thereby improving the safety of the system.
Patent Information
- Application Number
- CN202422869518.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The existing coal mill system has a high ignition point of pulverized coal, which easily produces carbon monoxide gas. In addition, there are insufficient carbon monoxide detection points and the nitrogen fire extinguishing device is not properly configured, which leads to frequent safety accidents and reduces the overall safety of the system.
An automatic nitrogen-filled fire extinguishing device for a pulverized coal preparation system was designed. The device monitors the carbon monoxide concentration through sensors, sets alarm values through a processor, and automatically drives an electric valve to open the nitrogen tank for fire extinguishing when a hazard is detected, ensuring system safety.
The safety of the pulverized coal preparation system has been improved, and the occurrence of safety accidents has been reduced through automatic monitoring and fire extinguishing measures.
Smart Images
Figure CN223516834U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of coal powder preparation, especially relates to a coal powder preparation system automatic nitrogen filling fire extinguishing equipment. BACKGROUND
[0002] Traditional raw coal is ground by manual operation, but the manual grinding method is difficult to meet the fineness requirement, and thus is difficult to meet the quality requirement of the coal powder for the subsequent production process.
[0003] In the prior art, the raw coal is ground by a coal grinding system, and the existing coal grinding system is usually composed of a raw coal bin, a coal feeder, a coal mill, a powder classifier, a hot blast furnace, a dust collector and a coal powder bin, so as to process the raw coal into coal powder meeting the quality requirements such as fineness and moisture content by grinding and sorting operations.
[0004] However, the coal powder in the existing coal grinding system has a high ignition point and is prone to produce carbon monoxide gas points, and the existing system has insufficient carbon monoxide detection points and imperfect nitrogen fire extinguishing device configuration, which is prone to cause safety accidents and thus reduces the overall safety of the system. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a coal powder preparation system automatic nitrogen filling fire extinguishing equipment, which aims to solve the problem that the coal powder in the existing coal grinding system has a high ignition point and is prone to produce carbon monoxide gas points, and the existing system has insufficient carbon monoxide detection points and imperfect nitrogen fire extinguishing device configuration, which is prone to cause safety accidents and thus reduces the overall safety of the system.
[0006] To achieve the above-mentioned purpose, the utility model provides a coal powder preparation system automatic nitrogen filling fire extinguishing equipment, which comprises a control base,
[0007] Further comprising a fire extinguishing assembly,
[0008] The fire extinguishing assembly comprises a first wire, a mounting rack, a sensor, a processor, an alarm lamp, a second wire, an electric valve, a connecting pipeline, a nitrogen tank and a control member, the first wire is connected with the control base and located on one side of the control base, the mounting rack is connected with the first wire and located on the side of the first wire away from the control base, the sensor is arranged on the mounting rack and located on one side of the mounting rack, the processor is arranged on the control base and located on one side of the control base, the alarm lamp is arranged on the control base and located on one side of the control base, the second wire is connected with the control base and located on one side of the control base, the electric valve is connected with the second wire and located on one side of the second wire, the connecting pipeline is connected with the electric valve and located on one side of the electric valve, the nitrogen tank is connected with the connecting pipeline and located on one side of the connecting pipeline, and the control member is arranged on the control base.
[0009] The control member comprises an operation panel and a button, the operation panel is fixedly connected with the control base and located on one side of the control base, and the button is arranged on the operation panel and located on one side of the operation panel.
[0010] The control member further comprises a shielding cover plate and a rotating part, the shielding cover plate is connected with the control base through the rotating part and located on one side of the control base close to the button, and the rotating part is arranged on the control base and connected with the shielding cover plate.
[0011] The rotating part comprises a rotating base and a rotating rod, the rotating base is fixedly connected with the control base and located on one side of the control base, and the rotating rod is rotatably connected with the rotating base and fixedly connected with the shielding cover plate and located on one side of the rotating base close to the shielding cover plate.
[0012] The fire extinguishing assembly further comprises a lampshade, the lampshade is fixedly connected with the control base and located on one side of the control base close to the alarm lamp.
[0013] The utility model discloses a kind of automatic nitrogen filling fire extinguishing equipment of coal powder preparation system, by being provided with set 200ppm low report value and 500ppm high report value in the processor, when low report appears in certain part, green the alarm light is lit, post personnel discovers alarm immediately and checks and handles this part, when high report appears, the processor drives corresponding electric valve to open automatically and rush in nitrogen for extinguishing, simultaneously red alarm light is lit, until the carbon monoxide value of this place is below 200ppm, the electric valve is automatically closed while alarm light is extinguished, to monitor the sensor in dangerous place in the preparation process of coal powder, drive electric valve to open and import nitrogen to extinguish when danger occurs, to improve the security of system whole. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.
[0015] Fig. 1 It is the structure schematic view of automatic nitrogen filling fire extinguishing equipment of coal powder preparation system of the first embodiment of the utility model.
[0016] Fig. 2 It is the structure schematic view of control base of the first embodiment of the utility model.
[0017] Fig. 3 It is the structure schematic view of rotating part of the first embodiment of the utility model.
[0018] In the drawing: 101-control base, 102-first wire, 103-mounting frame, 104-sensor, 105-processor, 106-alarm lamp, 107-second wire, 108-electric valve, 109-connection pipeline, 110-nitrogen tank, 111-lampshade, 112-operation panel, 113-button, 114-shielding cover plate, 115-rotating base, 116-rotating rod. DETAILED DESCRIPTION
[0019] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.
[0020] The first embodiment of the present application is:
[0021] Please refer to Figs. 1 to 3 , wherein Fig. 1 is the structure diagram of the automatic nitrogen filling fire extinguishing equipment of the pulverized coal preparation system of the first embodiment of the utility model. Fig. 2 is the structure diagram of the control base of the first embodiment of the utility model. Fig. 3 is the structure diagram of the rotating part of the first embodiment of the utility model.
[0022] The utility model provides a kind of automatic nitrogen filling fire extinguishing equipment of pulverized coal preparation system, including control base 101 and fire extinguishing component, the fire extinguishing component includes first wire 102, mounting bracket 103, sensor 104, processor 105, alarm lamp 106, second wire 107, electric valve 108, connecting pipeline 109, nitrogen tank 110, control member and lamp shade 111, the control member includes operating panel 112, button 113, shield cover plate 114 and rotating part, the rotating part includes rotating base 115 and rotating rod 116. Through the foregoing scheme, it is solved that the coal powder ignition point is high in the existing coal grinding system, and carbon monoxide gas point is easy to produce, and the existing system internal carbon monoxide detection point is insufficient, and nitrogen fire extinguishing device configuration is not perfect, to cause the occurrence of safety accident easily, and then reduce the safety of system whole, it can be understood that the foregoing scheme can be used in the case where the safety of pulverized coal preparation process needs to be improved.
[0023] In the embodiment, by setting the control base 101 in the equipment of the pulverized coal preparation process, the safety of the pulverized coal preparation process can be guaranteed by the components on the control base 101.
[0024] The first wire 102 is connected with the control base 101 and located on one side of the control base 101, the mounting frame 103 is connected with the first wire 102 and located on the side, away from the control base 101, of the first wire 102, the sensor 104 is arranged on the mounting frame 103 and located on one side of the mounting frame 103, the processor 105 is arranged on the control base 101 and located on one side of the control base 101, the alarm lamp 106 is arranged on the control base 101 and located on one side of the control base 101, the second wire 107 is connected with the control base 101 and located on one side of the control base 101, the electric valve 108 is connected with the second wire 107 and located on one side of the second wire 107, the connecting pipeline 109 is connected with the electric valve 108 and located on one side of the electric valve 108, the nitrogen tank 110 is connected with the connecting pipeline 109 and located on one side of the connecting pipeline 109, the control member is arranged on the control base 101, the first wire 102 is connected on the control base 101, the mounting frame 103 has four, four mounting frames 103 are connected on the first wire 102, the sensor 104 has four, four sensors 104 are arranged on the corresponding four mounting frames 103, the sensor 104 is a gas sensor 104 of MQ-7 model, four sensors 104 can be installed outside the coal mill bag dust collection entrance, the kiln head warehouse top cone, the decomposition furnace warehouse top cone and the coal mill outlet through four mounting frames 103, the carbon monoxide concentration at the position where the sensor 104 is installed can be monitored through the sensor 104, the processor 105 is arranged on the control base 101, the data monitored by four sensors 104 can be transmitted to the processor 105 through the first wire 102 for processing, the alarm lamp 106 has eight, eight alarm lamps 106 are divided into four low green alarm lamps and four high red alarm lamps, one green alarm lamp 106 and one red alarm lamp 106 correspond to one sensor 104, and the processor 105 can be provided with a set 200ppm low alarm value and a set 500ppm high alarm value, when low alarm occurs at a certain position, the green alarm lamp 106 is on, and the post personnel finds the alarm and immediately checks and processes the position, the second wire 107 is connected on the control base 101, the electric valve 108 has four, four electric valves 108 are connected on the second wire 107, the connecting pipeline 109 has one inlet and four outlets, four connecting pipelines 109 outlets can be connected at four coal mill bag dust collection entrances, kiln head warehouse top cones, decomposition furnace warehouse top cones and coal mill outlets, the electric valve 108 is arranged at the four outlets of the corresponding connecting pipelines 109,The electric valve 108 can control the outflow of the four outlets of the connecting pipe 109 respectively, the nitrogen tank 110 is connected to the inlet of the connecting pipe 109, nitrogen can be introduced into the connecting pipe 109 through the nitrogen tank 110 and flow out through the corresponding opened outlet, when high alarm occurs, the processor 105 drives the corresponding electric valve 108 to automatically open and flush nitrogen for fire extinguishing, at the same time the red alarm lamp 106 is on, until the carbon monoxide value of the place is lower than 200ppm, the electric valve 108 is automatically closed and the alarm lamp 106 is extinguished, the control member is arranged on the control base 101, so that the operator can operate and control the components on the control base 101, thereby realizing that when low alarm occurs in a certain position, the green alarm lamp 106 is on, the post personnel finds the alarm and immediately checks and handles the position, when high alarm occurs, the processor 105 drives the corresponding electric valve 108 to automatically open and flush nitrogen for fire extinguishing, at the same time the red alarm lamp 106 is on, until the carbon monoxide value of the place is lower than 200ppm, the electric valve 108 is automatically closed and the alarm lamp 106 is extinguished, thereby monitoring the sensor 104 at the dangerous place during the preparation of coal powder, automatically driving the electric valve 108 to open and introduce nitrogen for fire extinguishing when danger occurs, thereby improving the safety of the whole system.
[0025] Secondly, the operation panel 112 is fixedly connected with the control base 101 and located on one side of the control base 101; the button 113 is arranged on the operation panel 112 and located on one side of the operation panel 112, the operation panel 112 has four, four operation panels 112 are arranged on the control base 101, the button 113 has a plurality of, a plurality of buttons 113 are arranged on the four operation panels 112, through the button 113, the operator can operate and control the components on the control base 101.
[0026] Meanwhile, the shielding cover plate 114 is connected with the control base 101 through the rotating component, and is located at one side of the control base 101 close to the button 113; the rotating component is arranged on the control base 101 and connected with the shielding cover plate 114; the shielding cover plate 114 is connected with the control base 101 through the rotating component, and can be turned over to the top of the operation panel 112 to shield the button 113 of the operation panel 112 under the connection support of the rotating component, thereby preventing the button 113 on the operation panel 112 from being touched by mistake when necessary; the rotating component is arranged on the control base 101 and connected with the shielding cover plate 114, and can provide connection support for the turning over of the shielding cover plate 114.
[0027] In addition, the rotating base 115 is fixedly connected with the control base 101 and located at one side of the control base 101; the rotating rod 116 is rotatably connected with the rotating base 115 and fixedly connected with the shielding cover plate 114, and is located at one side of the rotating base 115 close to the shielding cover plate 114; the rotating base 115 has two, and the two rotating bases 115 are welded on the control base 101; the rotating base 115 has a rotating groove; the rotating rod 116 has two, and the two rotating rods 116 are rotatably connected with the corresponding two rotating bases 115; the shielding cover plate 114 is welded on the two rotating rods 116; and the turning over of the shielding cover plate 114 can be connected and supported through the rotation of the rotating rod 116.
[0028] Finally, the lampshade 111 is fixedly connected with the control base 101 and located at one side of the control base 101 close to the alarm lamp 106; the lampshade 111 has eight, and the eight lampshades 111 are bolted and fixedly installed on the control base 101; the lampshade 111 is made of transparent plastic material; and the lampshade 111 can shield and protect the fragile alarm lamp 106 on the control base 101.
[0029] When the automatic nitrogen filling and fire extinguishing equipment of the coal powder preparation system of the present embodiment is used, by setting a low alarm value of 200ppm and a high alarm value of 500ppm in the processor 105, when low alarm occurs at a certain position, the green alarm lamp 106 is lit, the post personnel finds the alarm and immediately checks and handles the position, when high alarm occurs, the processor 105 drives the corresponding electric valve 108 to automatically open and inject nitrogen for fire extinguishing, at the same time, the red alarm lamp 106 is lit, until the carbon monoxide value of the position is lower than 200ppm, the electric valve 108 is automatically closed and the alarm lamp 106 is extinguished, so that the sensor 104 at the dangerous position in the coal powder preparation process is monitored, when danger occurs, the electric valve 108 is automatically driven to open and introduce nitrogen for fire extinguishing, thereby improving the safety of the whole system.
[0030] The above disclosed is only a preferred embodiment of the present application, of course, cannot be limited by this to limit the scope of the present application, those skilled in the art can understand that all or part of the above-mentioned embodiments are implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.
Claims
1. A coal powder preparation system automatic nitrogen filling fire extinguishing equipment, comprising a control base, characterized in that, it further comprises a fire extinguishing assembly, the fire extinguishing assembly comprises a first wire, a mounting bracket, a sensor, a processor, an alarm lamp, a second wire, an electric valve, a connecting pipeline, a nitrogen tank and a control member, the first wire is connected with the control base and located on one side of the control base, the mounting bracket is connected with the first wire and located on the side of the first wire away from the control base, the sensor is arranged on the mounting bracket and located on one side of the mounting bracket, the processor is arranged on the control base and located on one side of the control base, the alarm lamp is arranged on the control base and located on one side of the control base, the second wire is connected with the control base and located on one side of the control base, the electric valve is connected with the second wire and located on one side of the second wire, the connecting pipeline is connected with the electric valve and located on one side of the electric valve, the nitrogen tank is connected with the connecting pipeline and located on one side of the connecting pipeline, and the control member is arranged on the control base.
2. The coal powder preparation system automatic nitrogen filling fire extinguishing equipment according to claim 1, characterized in that, the control member comprises an operation panel and a button, the operation panel is fixedly connected with the control base and located on one side of the control base, and the button is arranged on the operation panel and located on one side of the operation panel.
3. The coal powder preparation system automatic nitrogen filling fire extinguishing equipment according to claim 2, characterized in that, the control member further comprises a shielding cover plate and a rotating part, the shielding cover plate is connected with the control base through the rotating part and located on one side of the control base close to the button, and the rotating part is arranged on the control base and connected with the shielding cover plate.
4. The coal powder preparation system automatic nitrogen filling fire extinguishing equipment according to claim 3, characterized in that, the rotating part comprises a rotating base and a rotating rod, the rotating base is fixedly connected with the control base and located on one side of the control base, and the rotating rod is rotatably connected with the rotating base and fixedly connected with the shielding cover plate and located on one side of the rotating base close to the shielding cover plate.
5. The coal powder preparation system automatic nitrogen filling fire extinguishing equipment according to claim 1, characterized in that, the fire extinguishing assembly further comprises a lampshade, the lampshade is fixedly connected with the control base and located on one side of the control base close to the alarm lamp.