CN110420956A - Large span modular corrosion resistant gas gathering mask - Google Patents
Large span modular corrosion resistant gas gathering mask Download PDFInfo
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- CN110420956A CN110420956A CN201910645826.6A CN201910645826A CN110420956A CN 110420956 A CN110420956 A CN 110420956A CN 201910645826 A CN201910645826 A CN 201910645826A CN 110420956 A CN110420956 A CN 110420956A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 33
- 230000007797 corrosion Effects 0.000 title claims abstract description 11
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 33
- 239000000463 material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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Abstract
Description
技术领域technical field
本发明涉及一种集气罩，尤其涉及一种大跨距模块式耐腐集气罩。The invention relates to an air collecting hood, in particular to a large-span modular corrosion-resistant air collecting hood.
背景技术Background technique
大气污染是我国目前突出的环境污染问题之一，工业废气是大气污染物的主要来源，对农业、社会环境、自然环境以及人们健康有着严重的危害。集气罩是烟气净化系统污染源的收集装置，可将粉尘及气体污染源导入净化系统，同时防止其向生产车间及大气扩散，集气罩的优劣对大气净化效果有着至关重要的影响。但是现有集气罩存在着可靠性差、抗老化性能差、耐腐蚀性能差、抗荷载能力差、美观度差、使用寿命短、防腐成本高、安装繁杂的缺陷，维护维修建设成本高，竞争力差。Air pollution is one of the most prominent environmental pollution problems in my country at present. Industrial waste gas is the main source of air pollutants, which has serious harm to agriculture, social environment, natural environment and people's health. The gas collection hood is a collection device for the pollution source of the flue gas purification system. It can introduce dust and gas pollution sources into the purification system, and at the same time prevent it from spreading to the production workshop and the atmosphere. The quality of the gas collection hood has a crucial impact on the air purification effect. However, the existing gas collecting hoods have the defects of poor reliability, poor aging resistance, poor corrosion resistance, poor load resistance, poor aesthetics, short service life, high anti-corrosion costs, complicated installation, high maintenance and construction costs, and competition. Poor strength.
发明内容Contents of the invention
本发明克服了现有技术的不足，提供一种结构简单的大跨距模块式耐腐集气罩。The invention overcomes the deficiencies of the prior art and provides a large-span modular anti-corrosion gas collecting hood with simple structure.
为达到上述目的，本发明采用的技术方案为：一种大跨距模块式耐腐集气罩，包括框架、安装在所述框架上的集气罩板组件，所述框架包括多个主梁、多个支梁和多个桁架杆，所述主梁呈拱形，相邻两个所述主梁之间连接有多个所述支梁，相邻两个所述支梁之间连接有多个所述桁架杆，所述集气罩板组件包括改性PP顶罩板和改性PP侧面板，所述改性PP顶罩板安装在所述主梁、支梁、桁架杆中的至少一个上，所述改性PP侧面板安装在所述主梁上。In order to achieve the above purpose, the technical solution adopted by the present invention is: a large-span modular anti-corrosion gas collection hood, including a frame and a gas collection hood plate assembly installed on the frame, and the frame includes a plurality of main girders , a plurality of girders and a plurality of truss rods, the main girders are arched, a plurality of girders are connected between two adjacent girders, and a plurality of girders are connected between two adjacent girders A plurality of the truss rods, the hood plate assembly includes a modified PP top cover plate and a modified PP side panel, and the modified PP top cover plate is installed in the main beam, the support beam, and the truss rod At least one, the modified PP side panel is installed on the main beam.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述主梁上设置有多个第一连接块和多个第二连接块，每个所述第一连接块、第二连接块上分别设置有第一连接孔、第二连接孔，所述支梁上设置有两个第三连接块、多个第四连接块和多个第五连接块，每个所述第三连接块、第四连接块、第五连接块上分别设置有第三连接孔、第四连接孔、第五连接孔。In a preferred embodiment of the present invention, the large-span modular anti-corrosion gas collecting hood further includes a plurality of first connecting blocks and a plurality of second connecting blocks arranged on the main girder, each of the first connecting blocks 1. The second connecting block is respectively provided with a first connecting hole and a second connecting hole. Two third connecting blocks, a plurality of fourth connecting blocks and a plurality of fifth connecting blocks are arranged on the support beam, and each of the The third connection block, the fourth connection block and the fifth connection block are respectively provided with a third connection hole, a fourth connection hole and a fifth connection hole.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述桁架杆的两端均设置有第六连接块，每个所述第六连接块上设置有第六连接孔。In a preferred embodiment of the present invention, the large-span modular anti-corrosion gas collection hood further includes sixth connection blocks provided at both ends of the truss rods, and a sixth connection block is provided on each of the sixth connection blocks. hole.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述主梁、支梁和桁架杆的表面上分别包覆有第一改性PP层、第二改性PP层、第三改性PP层。In a preferred embodiment of the present invention, the large-span modular anti-corrosion air-collecting hood further includes that the surfaces of the main girders, support girders, and truss rods are coated with a first modified PP layer and a second modified PP layer respectively. layer, the third modified PP layer.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述主梁的两端均设置有固定板，每个所述固定板上设置有至少一个安装孔。In a preferred embodiment of the present invention, the large-span modular anti-corrosion gas collecting hood further includes fixing plates at both ends of the main beam, and at least one mounting hole is set on each fixing plate.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述改性PP顶罩板上设置有多个支管，多个所述支管均与一气体收集总管相连接。In a preferred embodiment of the present invention, the large-span modular corrosion-resistant gas collection hood further includes a plurality of branch pipes arranged on the modified PP top cover plate, and the plurality of branch pipes are all connected to a gas collection main pipe.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述改性PP侧面板上设置有至少一个百叶窗。In a preferred embodiment of the present invention, the large-span modular anti-corrosion gas collecting hood further includes at least one louver provided on the modified PP side panel.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述改性PP侧面板上设置有检修门。In a preferred embodiment of the present invention, the large-span modular anti-corrosion gas collecting hood further includes an inspection door provided on the modified PP side panel.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述检修门上设置有观察窗，所述观察窗上设置有观察窗锁。In a preferred embodiment of the present invention, the large-span modular anti-corrosion gas collection hood further includes an observation window on the inspection door, and an observation window lock on the inspection window.
本发明一个较佳实施例中，大跨距模块式耐腐集气罩进一步包括所述改性PP侧面板上设置有安全栏杆。In a preferred embodiment of the present invention, the large-span modular anti-corrosion gas collecting hood further includes safety railings provided on the modified PP side panels.
本发明解决了背景技术中存在的缺陷，本发明具有以下有益效果：The present invention solves the defect that exists in the background technology, and the present invention has the following beneficial effects:
（1）抑制污染气体扩散污染环境，改善空气质量，保护环境，同时节省了投资成本，提升耐化学品腐蚀性能，延长使用寿命。(1) Inhibit the diffusion of polluting gases to pollute the environment, improve air quality, protect the environment, save investment costs, improve chemical corrosion resistance, and prolong service life.
（2）避免动火作业，增强抗荷载能力，便于安全安装和安全使用修护。(2) Avoid hot work, enhance the load resistance capacity, and facilitate safe installation and safe use and maintenance.
（3）采用改性PP材料制成，相邻改性PP材料能够胶接，密封性能优良。(3) It is made of modified PP material, adjacent modified PP materials can be bonded, and the sealing performance is excellent.
（4）模块式拼装搭接，防腐螺栓紧固，易安全拆装，可重复利用，维修维护便捷，省时省力省费用。(4) Modular assembly and overlapping joints, anti-corrosion bolts are fastened, easy and safe to disassemble, reusable, convenient maintenance, saving time, effort and cost.
（5）运输方便，装卸安全，节省占位，降低装运成本。(5) Convenient transportation, safe loading and unloading, saving space and reducing shipping costs.
（6）接缝处通过热熔胶接，热熔接口的强度高于材料本身，接缝不会由于土壤移动或载荷作用而断开，具有可靠的连接性能。(6) The seams are bonded by hot-melt glue, the strength of the hot-melt interface is higher than that of the material itself, the seams will not be disconnected due to soil movement or load, and it has reliable connection performance.
（7）质量轻，施工简单方便，工程综合造价低，维护成本低，一次制作终身受益，且能满足复杂的工艺制作要求，具有良好的施工性能。(7) Light weight, simple and convenient construction, low comprehensive project cost, low maintenance cost, one-time production benefit for life, and can meet complex process production requirements, with good construction performance.
（8）改性PP顶罩板和改性PP侧面板能够防止污染气体逸散，抵挡冰雪、雨水、灰尘等物进入罩体内部，光滑的表面易保持表面的清洁度，有效提升视觉的美观度。(8) Modified PP top cover board and modified PP side panel can prevent pollution gas from escaping, and resist ice, snow, rain, dust and other objects from entering the inside of the cover body. The smooth surface is easy to maintain the cleanliness of the surface, effectively improving the visual appearance Spend.
（9）设置的百叶窗能够通风，易拆装检修门便于进行检修，设置的观察窗便于日常的巡检观察，设置的安全栏杆能够提升作业安全。(9) The louvers provided can be ventilated, the easy-to-disassemble inspection door is convenient for maintenance, the observation window is provided for daily inspection and observation, and the safety railings provided can improve operation safety.
（10）在额定温度压力状况下，可以安全使用50年以上，具有长久的使用寿命。(10) Under rated temperature and pressure conditions, it can be used safely for more than 50 years and has a long service life.
（11）可在很大的范围内承受PH值范围在1-14的高浓度酸和碱的腐蚀，具有卓越的耐腐蚀性能。(11) It can withstand the corrosion of high-concentration acids and alkalis with a pH value ranging from 1-14 in a wide range, and has excellent corrosion resistance.
（12）导热系数小，具有较好的耐热保温节能的性能。(12) The thermal conductivity is small, and it has good performance of heat resistance, heat preservation and energy saving.
（13）非常适用于石油化工、焦化行业等含腐蚀性低浓度逸散气体的收集。，也适用于普通场合逸散气体的收集，或者车间厂房、物料仓储房、工地活动房等搭建使用，适用范围广。(13) It is very suitable for the collection of corrosive and low-concentration fugitive gases in petrochemical and coking industries. , It is also suitable for the collection of fugitive gas in ordinary places, or the construction and use of workshops, material storage rooms, construction site activity rooms, etc., with a wide range of applications.
附图说明Description of drawings
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
图1是本发明的优选实施例的主视图；Fig. 1 is the front view of the preferred embodiment of the present invention;
图2是本发明的优选实施例的俯视图；Figure 2 is a top view of a preferred embodiment of the present invention;
图3是本发明的优选实施例的主梁的主视图；Fig. 3 is the front view of the girder of the preferred embodiment of the present invention;
图4是本发明的优选实施例的主梁的俯视图；Fig. 4 is the top view of the main beam of the preferred embodiment of the present invention;
图5是本发明的优选实施例的支梁的俯视图；Fig. 5 is the plan view of the corbel of the preferred embodiment of the present invention;
图6是本发明的优选实施例的桁架杆的俯视图；Fig. 6 is a top view of the truss rod of the preferred embodiment of the present invention;
图7是本发明的优选实施例的改性PP顶罩板的俯视图；Fig. 7 is the top view of the modified PP top cover plate of the preferred embodiment of the present invention;
图中：1、主梁，2、支梁，3、桁架杆，4、改性PP侧面板，5、第一连接块，6、第二连接块，7、第一连接孔，8、第二连接孔，9、第三连接块，10、第四连接块，11、第五连接块，12、第三连接孔，13、第四连接孔，14、第五连接孔，15、第六连接块，16、第六连接孔，17、固定板，18、安装孔，19、支管，20、气体收集总管，21、改性PP顶罩板本体，22、第七连接孔，23、第八连接孔，24、百叶窗，25、检修门，26、观察窗，27、观察窗锁，28、安全栏杆。In the figure: 1. Main beam, 2. Support beam, 3. Truss bar, 4. Modified PP side panel, 5. First connecting block, 6. Second connecting block, 7. First connecting hole, 8. The first Two connecting holes, 9, the third connecting block, 10, the fourth connecting block, 11, the fifth connecting block, 12, the third connecting hole, 13, the fourth connecting hole, 14, the fifth connecting hole, 15, the sixth Connection block, 16, sixth connection hole, 17, fixed plate, 18, installation hole, 19, branch pipe, 20, gas collection main pipe, 21, modified PP top cover plate body, 22, seventh connection hole, 23, the first Eight connecting holes, 24, blinds, 25, inspection door, 26, observation window, 27, observation window lock, 28, safety railing.
具体实施方式Detailed ways
现在结合附图和实施例对本发明作进一步详细的说明，这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so it only shows the composition related to the present invention.
如图1、图2所示，一种大跨距模块式耐腐集气罩，包括框架、安装在框架上的集气罩板组件，框架包括多个主梁1、多个支梁2和多个桁架杆3，主梁1呈拱形，受力均衡，抗载能力强，相邻两个主梁1之间连接有多个支梁2，相邻两个支梁2之间连接有多个桁架杆3，集气罩板组件包括改性PP顶罩板和两个改性PP侧面板4，改性PP顶罩板安装在主梁1、支梁2、桁架杆3中的至少一个上，改性PP顶罩板安装后呈拱形，改性PP顶罩板表面不会积聚雨水、冰雪等物，避免对改性PP顶罩板的侵蚀，提高使用寿命，改性PP侧面板4安装在主梁1上。本发明优选改性PP顶罩板安装在主梁1和支梁2上。As shown in Figures 1 and 2, a large-span modular anti-corrosion gas collection hood includes a frame and a gas collection hood plate assembly installed on the frame. The frame includes multiple main beams 1, multiple support beams 2 and A plurality of truss rods 3, the main beam 1 is arched, the force is balanced, and the load resistance is strong. There are multiple support beams 2 connected between two adjacent main beams 1, and there are two adjacent support beams 2. A plurality of truss rods 3, the gas collection cover plate assembly includes a modified PP top cover plate and two modified PP side panels 4, and the modified PP top cover plate is installed on at least one of the main beam 1, the support beam 2, and the truss rod 3 One, the modified PP top cover plate is arched after installation, and the surface of the modified PP top cover plate will not accumulate rainwater, ice and snow, etc., to avoid erosion of the modified PP top cover plate and improve service life. The modified PP side Panel 4 is installed on main beam 1 . In the present invention, the modified PP top cover plate is preferably installed on the main beam 1 and the support beam 2 .
如图4、图5所示，本发明优选主梁1上设置有多个第一连接块5和多个第二连接块6，每个第一连接块5、第二连接块6上分别设置有第一连接孔7、第二连接孔8，支梁2上设置有两个第三连接块9、多个第四连接块10和多个第五连接块11，每个第三连接块9、第四连接块10、第五连接块11上分别设置有第三连接孔12、第四连接孔13、第五连接孔14。优选第一连接块5与第二连接块6相邻设置，多个第一连接块5间隔设置，多个第二连接块6间隔设置。As shown in Fig. 4 and Fig. 5, the preferred main girder 1 of the present invention is provided with a plurality of first connecting blocks 5 and a plurality of second connecting blocks 6, and each of the first connecting blocks 5 and the second connecting blocks 6 are respectively provided with There are a first connecting hole 7 and a second connecting hole 8, two third connecting blocks 9, a plurality of fourth connecting blocks 10 and a plurality of fifth connecting blocks 11 are arranged on the support beam 2, each third connecting block 9 The fourth connecting block 10 and the fifth connecting block 11 are respectively provided with a third connecting hole 12 , a fourth connecting hole 13 and a fifth connecting hole 14 . Preferably, the first connection block 5 and the second connection block 6 are arranged adjacently, a plurality of first connection blocks 5 are arranged at intervals, and a plurality of second connection blocks 6 are arranged at intervals.
如图6所示，本发明优选桁架杆3的两端均设置有第六连接块15，每个第六连接块15上设置有第六连接孔16。As shown in FIG. 6 , in the present invention, sixth connection blocks 15 are preferably provided at both ends of the truss rod 3 , and each sixth connection block 15 is provided with a sixth connection hole 16 .
安装时，主梁1上的第一连接孔7与支梁2上的第三连接孔12对准用于螺栓穿过，实现主梁1与支梁2之间的固定，支梁2上的第四连接孔13与桁架杆3上的第六连接孔16对准用于螺栓穿过，实现支梁2与桁架杆3之间的固定。During installation, the first connection hole 7 on the main beam 1 is aligned with the third connection hole 12 on the support beam 2 for bolts to pass through, so as to realize the fixing between the main beam 1 and the support beam 2. The fourth connection hole 13 is aligned with the sixth connection hole 16 on the truss rod 3 for bolts to pass through, so as to realize the fixing between the support beam 2 and the truss rod 3 .
本发明优选主梁1、支梁2和桁架杆3的表面上分别包覆有第一改性PP层（图中未示出）、第二改性PP层（图中未示出）、第三改性PP层（图中未示出），便于防腐。In the present invention, the surfaces of the main beam 1, the support beam 2 and the truss bar 3 are preferably respectively coated with a first modified PP layer (not shown in the figure), a second modified PP layer (not shown in the figure), a second modified PP layer Three modified PP layers (not shown in the figure) for easy corrosion protection.
如图3、图4所示，本发明优选主梁1的两端均设置有固定板17，每个固定板17上设置有至少一个安装孔18，便于将集气罩安装到合适地方。As shown in Fig. 3 and Fig. 4, the preferred two ends of the main girder 1 of the present invention are provided with fixing plates 17, and each fixing plate 17 is provided with at least one installation hole 18, which is convenient for installing the gas collecting hood to a suitable place.
本发明优选改性PP顶罩板上设置有多个支管19，多个支管19均与一气体收集总管20相连接，气体收集总管20可与引风机相连接，将污染气体导到净化系统。优选改性PP顶罩板包括多个改性PP顶罩板本体21，形成模块式，扩大集气范围，改性PP侧面板4的数量为两个，将集气罩的前侧和后侧封闭住。如图7所示，优选改性PP顶罩板本体21上设置有多个第七连接孔22和多个第八连接孔23，第七连接孔22与主梁1上的第二连接孔8对准，用于螺栓穿过，第八连接孔23与支梁2上的第五连接孔14对准，用于螺栓穿过，实现改性PP顶罩板本体21固定在主梁1和支梁2上，改性PP顶罩板本体21可与主梁1、支梁2热熔胶接，密封性好，整体强度高。改性PP顶罩板本体21和改性PP侧面板4的规格可按需要设置，便于封闭，防止污染气体的逸散，抵挡冰雪、雨水、灰尘等物进入集气罩内部，改性PP顶罩板本体21和改性PP侧面板4光滑的表面易保持表面的清洁度，有效提升视觉的美观度。The preferred modified PP top cover plate of the present invention is provided with a plurality of branch pipes 19, and the plurality of branch pipes 19 are all connected to a gas collection main pipe 20, and the gas collection main pipe 20 can be connected with an induced draft fan to guide the polluted gas to the purification system. The preferred modified PP top cover plate includes a plurality of modified PP top cover plate bodies 21, forming a modular type, expanding the range of gas collection, the number of modified PP side panels 4 is two, and the front side and the rear side of the gas collection hood Close up. As shown in Figure 7, the modified PP top cover plate body 21 is preferably provided with a plurality of seventh connection holes 22 and a plurality of eighth connection holes 23, the seventh connection holes 22 and the second connection holes 8 on the main beam 1 Alignment, for bolts to pass through, the eighth connection hole 23 is aligned with the fifth connection hole 14 on the support beam 2, used for bolts to pass through, and the modified PP top cover plate body 21 is fixed on the main beam 1 and the support beam. On the beam 2, the modified PP top cover body 21 can be hot-melt bonded with the main beam 1 and the support beam 2, which has good sealing performance and high overall strength. The specifications of the modified PP top cover plate body 21 and the modified PP side panel 4 can be set as required, which is convenient for sealing, prevents the escape of polluted gases, and resists ice, snow, rain, dust, etc. The smooth surface of the cover plate body 21 and the modified PP side panel 4 is easy to maintain the cleanliness of the surface, effectively improving the visual aesthetics.
为了便于通风，本发明优选改性PP侧面板4上设置有至少一个百叶窗24。In order to facilitate ventilation, the modified PP side panel 4 is preferably provided with at least one louver 24 in the present invention.
本发明优选改性PP侧面板4上设置有检修门25，便于检修。In the present invention, the modified PP side panel 4 is preferably provided with an inspection door 25, which is convenient for inspection and maintenance.
本发明优选检修门25上设置有观察窗26，观察窗26上设置有观察窗锁27，方便通过观察窗26观察到集气罩内的状况，便于采取后续措施。In the present invention, the inspection door 25 is preferably provided with an observation window 26, and the observation window 26 is provided with an observation window lock 27, which is convenient for observing the situation in the gas collecting hood through the observation window 26, and is convenient for taking follow-up measures.
为了提升作业安全，本发明优选改性PP侧面板4上设置有安全栏杆28。In order to improve the operation safety, the modified PP side panels 4 of the present invention are preferably provided with safety railings 28 .
以上依据本发明的理想实施例为启示，通过上述的说明内容，相关人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定技术性范围。The above is inspired by the ideal embodiment of the present invention. Through the above description, relevant personnel can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and must be determined according to the scope of the claims.
Claims (10)
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