CN207654833U - A kind of fixed flame proof closed exhaust dust pelletizing system - Google Patents
A kind of fixed flame proof closed exhaust dust pelletizing system Download PDFInfo
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- CN207654833U CN207654833U CN201721517792.5U CN201721517792U CN207654833U CN 207654833 U CN207654833 U CN 207654833U CN 201721517792 U CN201721517792 U CN 201721517792U CN 207654833 U CN207654833 U CN 207654833U
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- 239000000428 dust Substances 0.000 title claims abstract description 118
- 238000005453 pelletization Methods 0.000 title claims 10
- 239000005341 toughened glass Substances 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 3
- 238000012800 visualization Methods 0.000 claims 3
- 239000011521 glass Substances 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
本实用新型提供了一种固定式隔爆密闭排气除尘系统，属于室内排气除尘及职业健康技术领域，吸尘装置包括风机、风机支架和吸尘软管，排尘装置包括钢化玻璃房和罩体，钢化玻璃房包括长方体结构的支撑钢架、一块可视化钢化玻璃、一块双层配筋钢板和两组钢化玻璃门，监测控制装置包括控制器、遥控器、控制面板、防爆电磁开关、粉尘浓度传感器和粉尘浓度报警器。该系统可抗爆耐高温，操作简便，效率高，可动态监测粉尘浓度，使用时可降低风机噪音，除尘效果好，能及时有效排除罩内的烟气，能实现罩内粉尘浓度实时动态监测并进行预警预报，能保证粉尘操作人员在安全及无害环境下操作。
The utility model provides a fixed explosion-proof airtight exhaust and dust removal system, which belongs to the technical field of indoor exhaust and dust removal and occupational health. The dust collection device includes a fan, a fan bracket and a dust suction hose. Cover body, tempered glass room includes supporting steel frame with cuboid structure, a piece of visible tempered glass, a double-layer reinforced steel plate and two sets of tempered glass doors, monitoring and control devices include controller, remote control, control panel, explosion-proof electromagnetic switch, dust Concentration sensor and dust concentration alarm. The system is resistant to explosion and high temperature, easy to operate, high in efficiency, can dynamically monitor the dust concentration, can reduce the noise of the fan when in use, has good dust removal effect, can timely and effectively remove the smoke in the hood, and can realize real-time dynamic monitoring of the dust concentration in the hood And the early warning and forecasting can ensure that the dust operators can operate in a safe and harmless environment.
Description
技术领域technical field
本实用新型属于室内排气除尘及职业健康技术领域，具体涉及一种固定式隔爆密闭排气除尘系统。The utility model belongs to the technical field of indoor exhaust and dust removal and occupational health, in particular to a fixed explosion-proof airtight exhaust and dust removal system.
背景技术Background technique
现有的技术主要是功率低、不抗爆、不抗高温、抗爆性差、实验操作时声音较大。The existing technology mainly has low power, no anti-knock, no high-temperature resistance, poor anti-knock performance, and loud noise during experimental operation.
近年来，高校实验室气体粉尘爆炸及有毒有害气体粉尘中毒事故频繁发生，造成了严重的实验人员伤亡事故及中毒现象。In recent years, gas and dust explosions and toxic and harmful gas and dust poisoning accidents have occurred frequently in university laboratories, resulting in serious casualties and poisoning of experimental personnel.
目前，现有技术中常见的对高温气体粉尘的处理方法均是采用负压源来吸附加工环境内产生的含尘气流，然后再对该含尘气流进行干式的过滤处理(滤芯、滤筒、滤袋等方式)，这样的方式并不能保证加工环境内的金属粉尘均被完全有效地分离掉，除尘效果有限，容易让粉尘堆积，如果管理不善，长时间没有彻底的清理粘在过滤装置上粉尘就非常容易产生自燃，产生事故。因此，现有除尘装置抗爆、耐高温性能差，功率低，实验操作时声音较大，且无法实现降噪。At present, the common treatment methods for high-temperature gas dust in the prior art are to use a negative pressure source to absorb the dust-laden airflow generated in the processing environment, and then perform dry filtration of the dust-laden airflow (filter elements, filter cartridges, etc.) , filter bags, etc.), this method cannot ensure that the metal dust in the processing environment is completely and effectively separated, the dust removal effect is limited, and it is easy for the dust to accumulate. If the management is not good, it will not be cleaned thoroughly for a long time. Dust is very prone to spontaneous combustion and accidents. Therefore, the existing dust removal device has poor anti-explosion and high temperature resistance performance, low power, loud sound during experimental operation, and noise reduction cannot be achieved.
基于此，本实用新型开发了一种固定式隔爆密闭排气除尘系统。Based on this, the utility model has developed a fixed flameproof airtight exhaust and dust removal system.
实用新型内容Utility model content
为了克服上述现有技术存在的不足，本实用新型提供了一种固定式隔爆密闭排气除尘系统。In order to overcome the deficiencies in the above-mentioned prior art, the utility model provides a fixed flameproof airtight exhaust and dust removal system.
为了实现上述目的，本实用新型提供如下技术方案：In order to achieve the above object, the utility model provides the following technical solutions:
一种固定式隔爆密闭排气除尘系统，包括吸尘装置、排尘装置和监测控制装置；A fixed explosion-proof airtight exhaust and dust removal system, including a dust suction device, a dust discharge device and a monitoring and control device;
所述吸尘装置包括风机、风机支架和吸尘软管，所述风机安装在所述风机支架上；The dust suction device includes a fan, a fan bracket and a dust suction hose, and the fan is installed on the fan bracket;
所述排尘装置包括钢化玻璃房和罩体，所述钢化玻璃房包括长方体结构的支撑钢架、一块可视化钢化玻璃、一块双层配筋钢板和两组钢化玻璃门，两组所述钢化玻璃门通过合页相对安装在所述支撑钢架正面和背面，所述可视化钢化玻璃安装在所述支撑钢架的一侧，所述双层配筋钢板相对所述可视化钢化玻璃安装在所述支撑钢架的另一侧，所述双层配筋钢板上开设有通管孔和穿线孔，所述通管孔上连接一根排气管，所述穿线孔上贯穿爆炸测试仪器与测试仪器间的管线，所述钢化玻璃门上开设有负压风孔，所述负压风孔处设置有具有透气功能的封孔板；The dust removal device includes a toughened glass room and a cover body. The toughened glass room includes a supporting steel frame of a cuboid structure, a piece of visible toughened glass, a double-layer reinforced steel plate and two sets of toughened glass doors. The two sets of toughened glass doors The door is relatively installed on the front and back of the supporting steel frame through hinges, the visible toughened glass is installed on one side of the supporting steel frame, and the double-layer reinforced steel plate is installed on the support relative to the visible toughened glass. On the other side of the steel frame, a pipe hole and a threading hole are opened on the double-layer reinforced steel plate. An exhaust pipe is connected to the pipe hole, and the threading hole runs through the space between the explosion test instrument and the test instrument. The pipeline, the tempered glass door is provided with a negative pressure air hole, and the negative pressure air hole is provided with a sealing plate with a breathable function;
所述罩体的纵截面为梯形，所述罩体安装在所述钢化玻璃房顶部，所述罩体底部四边与所述支撑钢架顶部四边互相配合且呈无缝连接，所述罩体顶部开设有扬尘入口，所述吸尘软管一端与所述风机的排尘口连通，所述吸尘软管另一端与所述罩体的扬尘入口连通；The longitudinal section of the cover body is trapezoidal, and the cover body is installed on the top of the tempered glass room. A dust inlet is provided, one end of the dust suction hose communicates with the dust outlet of the fan, and the other end of the dust suction hose communicates with the dust inlet of the cover;
所述监测控制装置包括控制器、遥控器、控制面板、防爆电磁开关、粉尘浓度传感器和粉尘浓度报警器，所述控制器和防爆电磁开关均设置在所述风机内部，所述控制面板设置在所述风机正面，所述防爆电磁开关与所述风机的电机控制开关电连接，所述粉尘浓度传感器和粉尘浓度报警器均设置在所述钢化玻璃房内壁，所述遥控器、控制面板、粉尘浓度传感器和粉尘浓度报警器均与所述控制器的信号输入端电连接，所述防爆电磁开关和粉尘浓度报警器均与所述控制器的信号输出端电连接。The monitoring and control device includes a controller, a remote controller, a control panel, an explosion-proof electromagnetic switch, a dust concentration sensor and a dust concentration alarm. Both the controller and the explosion-proof electromagnetic switch are arranged inside the fan, and the control panel is arranged on On the front of the fan, the explosion-proof electromagnetic switch is electrically connected to the motor control switch of the fan, the dust concentration sensor and the dust concentration alarm are all arranged on the inner wall of the tempered glass room, the remote control, control panel, dust Both the concentration sensor and the dust concentration alarm are electrically connected to the signal input end of the controller, and the explosion-proof electromagnetic switch and the dust concentration alarm are both electrically connected to the signal output end of the controller.
优选地，所述钢化玻璃门为对开门结构。Preferably, the tempered glass door is a side-by-side door structure.
优选地，所述吸尘软管的材质为防爆耐高温金属材质。Preferably, the dust suction hose is made of explosion-proof and high-temperature resistant metal material.
优选地，所述排气管的材质为可伸缩防爆耐高温金属材质。Preferably, the material of the exhaust pipe is a scalable explosion-proof and high-temperature resistant metal material.
优选地，所述罩体的材质为吸声材料。Preferably, the material of the cover is sound-absorbing material.
优选地，所述钢化玻璃门上设置有门把手，所述门把手设置在所述负压风孔上方，所述门把手与所述负压风孔的垂直距离为1m。Preferably, the tempered glass door is provided with a door handle, the door handle is arranged above the negative pressure air hole, and the vertical distance between the door handle and the negative pressure air hole is 1 m.
优选地，所述封孔板为百叶窗结构。Preferably, the sealing plate is a louver structure.
优选地，所述控制面板上设置有控制按钮和显示屏。Preferably, the control panel is provided with control buttons and a display screen.
优选地，所述控制器为PLC控制器。Preferably, the controller is a PLC controller.
该系统安装步骤具体为：The system installation steps are as follows:
(1)结合所述风机支架整体结构参数确定安装位置，并进行地面钻孔；(1) determine the installation location in conjunction with the overall structural parameters of the fan support, and carry out ground drilling;
(2)安装所述风机支架于钻孔内；(2) Install the fan support in the borehole;
(3)在所述配筋钢板上钻孔施工形成通管孔和穿线孔；(3) Drilling on the reinforced steel plate to form through pipe holes and threading holes;
(4)将所述可视化钢化玻璃安装在所述支撑钢架的一侧，将所述双层配筋钢板相对所述可视化钢化玻璃安装在所述支撑钢架的另一侧；(4) Install the visible toughened glass on one side of the supporting steel frame, and install the double-layer reinforced steel plate on the other side of the supporting steel frame relative to the visible toughened glass;
(5)将所述罩体安装在所述支撑钢架顶部；(5) Install the cover body on the top of the supporting steel frame;
(6)将所述风机安装在所述风机支架上；(6) Installing the fan on the fan bracket;
(7)通过所述除尘软管将所述风机与所述罩体连通；(7) Connecting the fan to the cover through the dust removal hose;
(8)将所述述控制器和防爆电磁开关均安装在所述风机内部，将所述控制面板设置在所述风机正面，将所述防爆电磁开关与所述风机的电机控制开关电连接，将所述粉尘浓度传感器和粉尘浓度报警器均安装在所述钢化玻璃房内壁；(8) Both the controller and the explosion-proof electromagnetic switch are installed inside the fan, the control panel is arranged on the front of the fan, and the explosion-proof electromagnetic switch is electrically connected to the motor control switch of the fan, Both the dust concentration sensor and the dust concentration alarm are installed on the inner wall of the tempered glass room;
(9)接通线路，将所述遥控器、控制面板、粉尘浓度传感器和粉尘浓度报警器均与所述控制器的信号输入端电连接，将所述防爆电磁开关和粉尘浓度报警器均与所述控制器的信号输出端电连接；(9) Connect the circuit, the remote controller, the control panel, the dust concentration sensor and the dust concentration alarm are all electrically connected with the signal input end of the controller, and the explosion-proof electromagnetic switch and the dust concentration alarm are all connected to the The signal output terminal of the controller is electrically connected;
(10)调整所述支撑钢架的回转轴角度，将两组所述钢化玻璃门通过合页相对安装在所述支撑钢架正面和背面；(10) Adjust the angle of the rotary shaft of the supporting steel frame, and install the two groups of tempered glass doors relatively on the front and back of the supporting steel frame through hinges;
(11)测试除尘并调整负压风孔封孔板尺寸参数。(11) Test the dust removal and adjust the size parameters of the negative pressure air hole sealing plate.
本实用新型提供的固定式隔爆密闭排气除尘系统具有以下有益效果：The fixed explosion-proof airtight exhaust and dust removal system provided by the utility model has the following beneficial effects:
(1)结构简单、多功能齐全，操作简便，效率高；(1) Simple structure, complete functions, easy operation and high efficiency;
(2)采用防爆耐高温金属材质的吸尘软管、排气管及钢化玻璃房，对含高温毒气烟尘进行处理，危害小，同时吸声材料的罩体可吸收高温爆炸声波，降低风机噪音；(2) The dust-absorbing hose, exhaust pipe and tempered glass room made of explosion-proof and high-temperature-resistant metal materials are used to treat the smoke and dust containing high-temperature poisonous gas, which is less harmful. At the same time, the cover of sound-absorbing material can absorb high-temperature explosion sound waves and reduce fan noise. ;
(3)通过监测控制装置可动态监测粉尘浓度并及时进行预警预报，控制风机的运转；(3) Through the monitoring and control device, the dust concentration can be dynamically monitored and the early warning and forecast can be carried out in time to control the operation of the fan;
(4)除尘效果好，能有效排除罩内的烟气；(4) The dust removal effect is good, and the smoke in the hood can be effectively eliminated;
(5)保证粉尘操作人员在安全环境下操作，降低粉尘对人体的伤害。(5) Ensure that dust operators operate in a safe environment to reduce the damage of dust to human body.
附图说明Description of drawings
图1为本实用新型实施例1的固定式隔爆密闭排气除尘系统的结构示意图；Fig. 1 is the structural representation of the fixed flameproof airtight exhaust dust removal system of the utility model embodiment 1;
图2为本实用新型实施例1的系统框图。Fig. 2 is a system block diagram of Embodiment 1 of the utility model.
具体实施方式Detailed ways
下面结合附图，对本实用新型的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本实用新型的技术方案，而不能以此来限制本实用新型的保护范围。Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described. The following examples are only used to illustrate the technical solution of the utility model more clearly, but not to limit the protection scope of the utility model.
实施例1Example 1
本实用新型提供了一种固定式隔爆密闭排气除尘系统，具体如图1所示，包括吸尘装置、排尘装置和监测控制装置；The utility model provides a fixed explosion-proof airtight exhaust and dust removal system, as shown in Figure 1, including a dust suction device, a dust discharge device and a monitoring and control device;
吸尘装置包括风机1、风机支架2和吸尘软管3，风机1安装在风机支架2 上，本实施例中吸尘软管3的材质为防爆耐高温金属材质；The dust collection device includes a fan 1, a fan bracket 2 and a dust suction hose 3, the fan 1 is installed on the fan bracket 2, and the material of the dust suction hose 3 in this embodiment is an explosion-proof and high temperature resistant metal material;
排尘装置包括钢化玻璃房和罩体4，本实施例中罩体4的材质为吸声材料。钢化玻璃房包括长方体结构的支撑钢架5、一块可视化钢化玻璃6、一块双层配筋钢板7和两组钢化玻璃门8，本实施例中钢化玻璃门8为对开门结构，方便打开进行操作。两组钢化玻璃门8通过合页相对安装在支撑钢架5正面和背面，可视化钢化玻璃6安装在支撑钢架5的一侧，双层配筋钢板7相对可视化钢化玻璃6安装在支撑钢架5的另一侧，双层配筋钢板7上开设有通管孔9和穿线孔10，通管孔9上连接一根排气管11，穿线孔10上贯穿爆炸测试仪器与测试仪器间的管线，钢化玻璃门8上开设有负压风孔，负压风孔处设置有具有透气功能的封孔板12，本实施例中排气管11的材质为可伸缩防爆耐高温金属材质。The dust removal device includes a tempered glass room and a cover body 4, and the material of the cover body 4 in this embodiment is sound-absorbing material. The tempered glass room includes a supporting steel frame 5 with a cuboid structure, a piece of visible tempered glass 6, a double-layer reinforced steel plate 7 and two sets of tempered glass doors 8. In this embodiment, the tempered glass door 8 is a side-by-side door structure, which is convenient to open for operation . Two sets of toughened glass doors 8 are installed relatively on the front and back of the supporting steel frame 5 through hinges, the visible toughened glass 6 is installed on one side of the supporting steel frame 5, and the double-layer reinforced steel plate 7 is relatively visible. The toughened glass 6 is installed on the supporting steel frame On the other side of 5, a through hole 9 and a threading hole 10 are opened on the double-layer reinforced steel plate 7, an exhaust pipe 11 is connected to the through hole 9, and the threading hole 10 runs through the gap between the explosion test instrument and the test instrument. Pipeline, tempered glass door 8 is provided with a negative pressure air hole, the negative pressure air hole is provided with a sealing plate 12 with ventilation function, the material of the exhaust pipe 11 in this embodiment is a scalable explosion-proof high temperature resistant metal material.
罩体4的纵截面为梯形，罩体4安装在钢化玻璃房顶部，罩体4底部四边与支撑钢架5顶部四边互相配合且呈无缝连接，罩体4顶部开设有扬尘入口，吸尘软管3一端与风机1的排尘口连通，吸尘软管3另一端与罩体4的扬尘入口连通；The longitudinal section of the cover body 4 is trapezoidal. The cover body 4 is installed on the top of the tempered glass room. The bottom four sides of the cover body 4 cooperate with the top four sides of the supporting steel frame 5 and are seamlessly connected. The top of the cover body 4 is provided with a dust inlet for dust collection One end of the hose 3 communicates with the dust outlet of the fan 1, and the other end of the dust suction hose 3 communicates with the dust inlet of the cover 4;
采用防爆耐高温金属材质的吸尘软管3、排气管11及钢化玻璃房，对含高温毒气烟尘进行处理，危害小，同时吸声材料的罩体4可吸收高温爆炸声波，降低风机噪音。The vacuum hose 3, exhaust pipe 11 and tempered glass room made of explosion-proof and high-temperature resistant metal are used to deal with the smoke and dust containing high-temperature poisonous gas, which is less harmful. At the same time, the cover body 4 of sound-absorbing material can absorb high-temperature explosion sound waves and reduce fan noise. .
监测控制装置包括控制器、遥控器13、控制面板14、防爆电磁开关、粉尘浓度传感器15和粉尘浓度报警器16，本实施例中控制器为PLC控制器。控制器和防爆电磁开关均设置在风机1内部，控制面板14设置在风机1正面，防爆电磁开关与风机1的电机控制开关电连接，粉尘浓度传感器15和粉尘浓度报警器16均设置在钢化玻璃房内壁。如图2所示，遥控器13、控制面板14、粉尘浓度传感器15和粉尘浓度报警器16均与控制器的信号输入端电连接，防爆电磁开关和粉尘浓度报警器16均与控制器的信号输出端电连接。The monitoring and control device includes a controller, a remote controller 13, a control panel 14, an explosion-proof electromagnetic switch, a dust concentration sensor 15 and a dust concentration alarm 16. In this embodiment, the controller is a PLC controller. Both the controller and the explosion-proof electromagnetic switch are set inside the blower 1, the control panel 14 is set on the front of the blower 1, the explosion-proof electromagnetic switch is electrically connected to the motor control switch of the blower 1, the dust concentration sensor 15 and the dust concentration alarm 16 are set on the toughened glass The inner wall of the room. As shown in Figure 2, the remote controller 13, the control panel 14, the dust concentration sensor 15 and the dust concentration alarm 16 are all electrically connected with the signal input end of the controller, and the explosion-proof electromagnetic switch and the dust concentration alarm 16 are all connected with the signal of the controller. The output terminals are electrically connected.
进一步地，本实施例中钢化玻璃门8上设置有门把手17，门把手17设置在负压风孔上方，门把手17与负压风孔的垂直距离为1m。Further, in this embodiment, the tempered glass door 8 is provided with a door handle 17, and the door handle 17 is arranged above the negative pressure air hole, and the vertical distance between the door handle 17 and the negative pressure air hole is 1 m.
为了实现透气功能，封孔板12为百叶窗结构。In order to realize the ventilation function, the sealing plate 12 is a louver structure.
同时为了方便操作，控制面板14上设置有控制按钮和显示屏，可通过控制按钮对整个装置进行控制操作，将检测值显示在显示屏上。Simultaneously, for the convenience of operation, the control panel 14 is provided with control buttons and a display screen, and the whole device can be controlled and operated by the control buttons, and the detection value is displayed on the display screen.
本实施例中，为了更好的达到更好的消声效果，在风机1的风口段安装一台消声器，消声器选用阻抗复合式消声器1台，以消除除尘系统噪声，消声值达40dB。在吸尘软管3的末端安装了一台低压脉冲袋式除尘器，这种除尘器具有脉冲阀阻力低,启闭速度快,清灰能力大的特点，对于含尘浓度高的气体具有良好的清灰效果。因该系统为负压除尘系统，则袋式尘器过滤风速取为 1.3m/min。In this embodiment, in order to better achieve a better noise reduction effect, a muffler is installed at the tuyere section of the fan 1, and the muffler is an impedance composite muffler to eliminate the noise of the dust removal system, and the noise reduction value reaches 40dB. A low-pressure pulse bag filter is installed at the end of the dust suction hose 3. This filter has the characteristics of low pulse valve resistance, fast opening and closing speed, and large dust cleaning ability. It has good performance for gases with high dust concentration. cleaning effect. Since the system is a negative pressure dust removal system, the filter wind speed of the bag filter is taken as 1.3m/min.
同时，风机1采用了G4-73NO14D离心式通风机1台，传动方式为联轴器连接,其运行平稳，维修量小。At the same time, fan 1 adopts a G4-73NO14D centrifugal fan, and the transmission mode is coupling connection, which runs smoothly and requires less maintenance.
风机风量：Fan air volume:
Q＝3600AhVQ＝3600AhV
Q为风量，A为罩口截面积，h为罩体高度，V为罩口周边截面上的平均风速。Q is the air volume, A is the cross-sectional area of the hood, h is the height of the hood, and V is the average wind speed on the section around the hood.
Q＝3600×2.4×1.5×1.8×0.5＝11664Q=3600×2.4×1.5×1.8×0.5=11664
电机所需功率：Motor required power:
N＝QHK/(1000×η1×η2×3600)N＝QHK/(1000×η 1 ×η 2 ×3600)
式中，K为电机容量储备系数，取值1.15；H为风机全压，取值4305Pa；In the formula, K is the motor capacity reserve coefficient, taking a value of 1.15; H is the total pressure of the fan, taking a value of 4305Pa;
η1为风机的传动效率，连轴转动η1＝0.98η 1 is the transmission efficiency of the fan, and shaft rotation η 1 =0.98
η2为风机的内效率，η2＝0.8η 2 is the internal efficiency of the fan, η 2 =0.8
N＝QHK/(1000×η1×η2×3600)＝24KW。N=QHK/(1000×η 1 ×η 2 ×3600)=24KW.
本实施例提供的固定式隔爆密闭排气除尘系统的安装步骤具体为：The installation steps of the fixed flameproof airtight exhaust and dust removal system provided in this embodiment are as follows:
(1)结合风机支架2整体结构参数确定安装位置，并进行地面钻孔；(1) Determine the installation location in combination with the overall structural parameters of the fan support 2, and perform ground drilling;
(2)安装风机支架2于钻孔内；(2) Install the fan bracket 2 in the drilled hole;
(3)在配筋钢板上钻孔施工形成通管孔9和穿线孔10；(3) Drilling on the reinforced steel plate to form the through pipe hole 9 and the threading hole 10;
(4)将可视化钢化玻璃6安装在支撑钢架5的一侧，将双层配筋钢板7 相对可视化钢化玻璃6安装在支撑钢架5的另一侧；(4) Install the visible toughened glass 6 on one side of the supporting steel frame 5, and install the double-layer reinforced steel plate 7 on the other side of the supporting steel frame 5 relative to the visible toughened glass 6;
(5)将罩体4安装在支撑钢架5顶部；(5) Cover body 4 is installed on the top of supporting steel frame 5;
(6)将风机1安装在风机支架2上；(6) fan 1 is installed on the fan bracket 2;
(7)通过除尘软管将风机1与罩体4连通；(7) The blower fan 1 is communicated with the cover body 4 through the dust removal hose;
(8)将述控制器和防爆电磁开关均安装在风机1内部，将控制面板14设置在风机1正面，将防爆电磁开关与风机1的电机控制开关电连接，将粉尘浓度传感器15和粉尘浓度报警器16均安装在钢化玻璃房内壁；(8) The controller and the explosion-proof electromagnetic switch are all installed inside the fan 1, the control panel 14 is arranged on the front of the fan 1, the explosion-proof electromagnetic switch is electrically connected with the motor control switch of the fan 1, and the dust concentration sensor 15 and the dust concentration Alarms 16 are installed on the inner wall of the tempered glass room;
(9)接通线路，将遥控器13、控制面板14、粉尘浓度传感器15和粉尘浓度报警器16均与控制器的信号输入端电连接，将防爆电磁开关和粉尘浓度报警器16均与控制器的信号输出端电连接，同时将爆炸测试仪器与测试仪器间的管线连接好；(9) Connect the circuit, the remote controller 13, the control panel 14, the dust concentration sensor 15 and the dust concentration alarm 16 are all electrically connected with the signal input end of the controller, and the explosion-proof electromagnetic switch and the dust concentration alarm 16 are all connected to the control panel. The signal output terminal of the detector is electrically connected, and at the same time, the pipeline between the explosion test instrument and the test instrument is connected;
(10)调整支撑钢架5的回转轴角度，将两组钢化玻璃门8通过合页相对安装在支撑钢架5正面和背面；(10) Adjust the angle of the rotary shaft of the supporting steel frame 5, and install two groups of toughened glass doors 8 on the front and back sides of the supporting steel frame 5 through hinges;
(11)测试除尘并调整负压风孔封孔板12尺寸参数。(11) Test the dust removal and adjust the size parameters of the negative pressure air hole sealing plate 12.
具体使用时，首先按照上述方法将整个装置安装好，测试各电路接触完好时开始爆炸试验。In specific use, first install the whole device according to the above method, and start the explosion test when the contact of each circuit is tested.
当爆炸测试完成后，按下操作面板14上的启动按钮，控制器接收到启动信号后向防爆电磁开关发出指令，防爆电磁开关通电即启动风机1，进行除尘工作。在除尘过程中粉尘浓度传感器15实时检测钢化玻璃房内粉尘的浓度，并将检测到的值发送给控制器，控制器接收粉尘浓度传感器15发送的浓度值并将其发送到显示屏进行实时显示。当检测值处于人体安全水平时，控制器向防爆电磁开关发出关机指令，防爆电磁开关断电即风机1停止工作，同时向粉尘浓度报警器16发出指令，粉尘浓度报警器16鸣响报警，提醒工作人员除尘结束。整个过程自动实现自动化操作，控制精度高，也可通过遥控器13对装置的运行状态进行控制。After the explosion test is completed, press the start button on the operation panel 14, the controller will send instructions to the explosion-proof electromagnetic switch after receiving the start signal, and the explosion-proof electromagnetic switch will start the blower fan 1 when the explosion-proof electromagnetic switch is energized to carry out the dust removal work. During the dust removal process, the dust concentration sensor 15 detects the concentration of dust in the tempered glass room in real time, and sends the detected value to the controller, and the controller receives the concentration value sent by the dust concentration sensor 15 and sends it to the display screen for real-time display . When the detection value is at the level of human body safety, the controller sends a shutdown command to the explosion-proof electromagnetic switch, and the explosion-proof electromagnetic switch is powered off, that is, the fan 1 stops working, and at the same time sends an instruction to the dust concentration alarm 16, and the dust concentration alarm 16 sounds an alarm to remind The staff dust removal is over. The whole process automatically realizes automatic operation, and the control precision is high, and the operating state of the device can also be controlled by the remote controller 13 .
以上所述实施例仅为本实用新型较佳的具体实施方式，本实用新型的保护范围不限于此，任何熟悉本领域的技术人员在本实用新型披露的技术范围内，可显而易见地得到的技术方案的简单变化或等效替换，均属于本实用新型的保护范围。The above-described embodiments are only preferred specific implementations of the present utility model, and the protection scope of the present utility model is not limited thereto. Any skilled person in the art can obviously obtain the technology within the technical scope disclosed in the utility model Simple changes or equivalent replacements of the schemes all belong to the protection scope of the present utility model.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715590A (en) * | 2017-11-14 | 2018-02-23 | 西安科技大学 | A kind of fixed flame proof closed exhaust dust pelletizing system and installation method |
| CN109331574A (en) * | 2018-11-27 | 2019-02-15 | 西安科技大学 | Exhaust and dust removal equipment and method suitable for gas dust explosion closed container |
| CN114273365A (en) * | 2021-12-24 | 2022-04-05 | 湖北仕上电子科技有限公司 | Cleaning device for liquid crystal glass semi-finished product |
| CN118937173A (en) * | 2024-08-21 | 2024-11-12 | 无锡市新锋物联智能科技有限公司 | A monitoring and alarm device for preventing dust explosion in industrial environment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715590A (en) * | 2017-11-14 | 2018-02-23 | 西安科技大学 | A kind of fixed flame proof closed exhaust dust pelletizing system and installation method |
| CN109331574A (en) * | 2018-11-27 | 2019-02-15 | 西安科技大学 | Exhaust and dust removal equipment and method suitable for gas dust explosion closed container |
| CN114273365A (en) * | 2021-12-24 | 2022-04-05 | 湖北仕上电子科技有限公司 | Cleaning device for liquid crystal glass semi-finished product |
| CN114273365B (en) * | 2021-12-24 | 2023-08-22 | 湖北仕上电子科技有限公司 | Cleaning device for liquid crystal glass semi-finished product |
| CN118937173A (en) * | 2024-08-21 | 2024-11-12 | 无锡市新锋物联智能科技有限公司 | A monitoring and alarm device for preventing dust explosion in industrial environment |
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