CN207936775U - A kind of water cooling petticoat pipe - Google Patents
A kind of water cooling petticoat pipe Download PDFInfo
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- CN207936775U CN207936775U CN201820009547.1U CN201820009547U CN207936775U CN 207936775 U CN207936775 U CN 207936775U CN 201820009547 U CN201820009547 U CN 201820009547U CN 207936775 U CN207936775 U CN 207936775U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 239000000779 smoke Substances 0.000 claims abstract description 37
- 239000003517 fume Substances 0.000 claims abstract description 25
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract description 9
- 239000000498 cooling water Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
本实用新型公开了一种新型水冷烟罩，包括烟罩本体、第一法兰、围板、环形槽、环形管、分水接头、冷却管、进水口、出水口、托板、水箱、冷却器、水管、第二法兰、水泵和过滤器，所述烟罩本体包括进烟罩、连接罩和出烟罩，所述进烟罩一端与连接罩一端连接，所述连接罩另一端与出烟罩一端连接，本实用新型结构科学合理，法兰的设置便于连接的密封性，防止烟雾或水流从连接处缝隙溢散出来，冷却管管内壁存在腐蚀剥落，施工焊瘤和冷却水中含有的杂质，这些杂质进入循环管路中，长期积存，最后会导致冷却管破裂，影响烟罩本体的正常工作和使用寿命，过滤器可将这些杂质进行过滤，延长烟罩本体使用寿命。
The utility model discloses a novel water-cooled hood, which comprises a hood body, a first flange, a surrounding plate, an annular groove, an annular pipe, a water distribution joint, a cooling pipe, a water inlet, a water outlet, a supporting plate, a water tank, a cooling device, water pipe, second flange, water pump and filter, the fume hood body includes a fume inlet hood, a connection hood and a fume outlet hood, one end of the fume inlet hood is connected to one end of the connection hood, and the other end of the connection hood is connected to the One end of the smoke hood is connected. The structure of the utility model is scientific and reasonable. The setting of the flange is convenient for the tightness of the connection, preventing the smoke or water flow from overflowing from the joint gap. The inner wall of the cooling pipe is corroded and peeled off. These impurities enter the circulation pipeline and accumulate for a long time, which will eventually cause the cooling pipe to break and affect the normal operation and service life of the hood body. The filter can filter these impurities and prolong the service life of the hood body.
Description
技术领域technical field
本实用新型涉及钢铁生产技术领域，具体为一种新型水冷烟罩。The utility model relates to the technical field of iron and steel production, in particular to a novel water-cooled smoke hood.
背景技术Background technique
现如今，中国的钢铁冶炼工业虽然给中国经济发展作出了巨大的贡献，但同时也给我们的环境污染造成了巨大的危害，冶炼工业的生产过程中产生的大量的废气和烟尘，这些废气烟尘在环境污染的比重中占了很大一部分，高温废气与烟尘需进行冷却再将固体颗粒收集，通常会用到水冷烟罩进行冷却，但现有技术中，因水管内壁存在腐蚀剥落，施工焊瘤，冷却水中含有的杂质，这些杂质进入冷却系统中，长期积存，最后会导致水管破裂，影响装置的正常工作和烟罩使用寿命，需停产维修，不利于生产。Nowadays, although China's iron and steel smelting industry has made great contributions to China's economic development, it has also caused great harm to our environmental pollution. A large amount of waste gas and smoke are generated in the production process of the smelting industry. These waste gas and smoke It accounts for a large part of the proportion of environmental pollution. The high-temperature exhaust gas and smoke need to be cooled before collecting the solid particles. Usually, a water-cooled fume hood is used for cooling. However, in the prior art, due to the corrosion and peeling of the inner wall of the water pipe, construction welding Tumors, impurities contained in the cooling water, these impurities enter the cooling system and accumulate for a long time, which will eventually cause the water pipe to rupture, affect the normal operation of the device and the service life of the hood, and need to stop production for maintenance, which is not conducive to production.
实用新型内容Utility model content
本实用新型的目的在于提供一种新型水冷烟罩，以解决上述背景技术中提出的问题。The purpose of this utility model is to provide a new type of water-cooled fume hood to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本实用新型提供如下技术方案：一种新型水冷烟罩，包括烟罩本体、第一法兰、围板、环形槽、环形管、分水接头、冷却管、进水口、出水口、托板、水箱、冷却器、水管、第二法兰、水泵和过滤器，所述烟罩本体包括进烟罩、连接罩和出烟罩，所述进烟罩一端与连接罩一端连接，所述连接罩另一端与出烟罩一端连接，且连接罩与进烟罩和出烟罩连接处均设置有第一法兰，所述烟罩本体两端均设置有围板，所述围板内部开设有环形槽，所述环形槽内部设置有环形管，所述环形管一端均与设置有分水接头，所述两端分水接头通过冷却管连接，所述围板外端分别设置有进水口和出水口，所述进水口和出水口内端均与环形管连通，所述烟罩本体外部一侧安装有托板，所述托板上端一侧设置有水箱，所述水箱上端设置有冷却器，所述冷却器上端通过水管与出水口连接，所述冷却器一端与水箱连接，且连接处设置有第二法兰，所述水箱一侧设置有水泵，所述水泵与水箱下部侧端通过水管连接，所述水泵一侧设置有过滤器，所述过滤器包括进液口、出液口、壳体、连接杆和过滤网，所述壳体两端分别设置有进液口和出液口，所述壳体内部一侧设置有连接杆，所述连接杆一侧设置有过滤网，所述进液口与水泵连接，所述出液口与进水口连接。In order to achieve the above purpose, the utility model provides the following technical solutions: a new type of water-cooled smoke hood, including the smoke hood body, the first flange, the coaming plate, the annular groove, the annular pipe, the water distribution joint, the cooling pipe, the water inlet, the outlet Water outlet, supporting plate, water tank, cooler, water pipe, second flange, water pump and filter, the fume hood body includes a fume inlet hood, a connection hood and a fume outlet hood, one end of the fume inlet hood is connected to one end of the connection hood , the other end of the connection hood is connected to one end of the smoke outlet hood, and a first flange is provided at the connection between the connection cover and the smoke inlet hood and the smoke outlet hood, and both ends of the smoke hood body are provided with coaming plates, the There is an annular groove inside the coaming, and an annular pipe is arranged inside the annular groove. One end of the annular pipe is provided with a water diversion joint, and the water diversion joints at both ends are connected by a cooling pipe. The outer ends of the coaming are respectively A water inlet and a water outlet are provided, and the inner ends of the water inlet and the water outlet are connected with the annular pipe. A supporting plate is installed on the outer side of the smoke hood body, and a water tank is arranged on the upper side of the supporting plate, and the upper end of the water tank is A cooler is provided, the upper end of the cooler is connected to the water outlet through a water pipe, one end of the cooler is connected to the water tank, and a second flange is provided at the connection, a water pump is provided on one side of the water tank, and the water pump is connected to the water tank The side ends of the lower part are connected by water pipes, and a filter is arranged on one side of the water pump, and the filter includes a liquid inlet, a liquid outlet, a housing, a connecting rod and a filter screen, and the two ends of the housing are respectively provided with a liquid inlet One side of the housing is provided with a connecting rod, one side of the connecting rod is provided with a filter, the liquid inlet is connected to the water pump, and the liquid outlet is connected to the water inlet.
优选的，所述烟罩本体外侧设置有保温层。Preferably, an insulation layer is provided on the outside of the hood body.
优选的，所述连接罩为弯管通道。Preferably, the connection cover is an elbow channel.
优选的，所述进水口和出水口均设置有钢管。Preferably, both the water inlet and the water outlet are provided with steel pipes.
优选的，所述烟罩本体外侧设置有抗腐蚀层。Preferably, an anti-corrosion layer is provided on the outside of the fume hood body.
与现有技术相比，本实用新型的有益效果：本实用新型结构科学合理，法兰的设置便于连接的密封性，防止烟雾或水流从连接处缝隙溢散出来，烟罩本体两端均设置有围板，便于将烟罩本体内部冷却管连接罩起来，支撑外部零部件，冷却管与环形管连接配合形成循环管路，冷却水在循环管路中循环流动，加快了冷却速度，提升了冷却效率，冷却器便于将从冷却管出来的热水进行冷却，再回到水箱中，冷却管管内壁存在腐蚀剥落，施工焊瘤和冷却水中含有的杂质，这些杂质进入循环管路中，长期积存，最后会导致冷却管破裂，影响烟罩本体的正常工作和使用寿命，过滤器可将这些杂质进行过滤，延长烟罩本体使用寿命。Compared with the prior art, the utility model has the beneficial effects: the structure of the utility model is scientific and reasonable, the setting of the flange facilitates the sealing of the connection, prevents smoke or water flow from overflowing from the joint gap, and both ends of the smoke hood body are set There is a coaming plate, which is convenient to cover the connection of the cooling pipe inside the hood body and support the external parts. The cooling pipe is connected with the annular pipe to form a circulation pipeline. The cooling water circulates in the circulation pipeline, which speeds up the cooling speed and improves the Cooling efficiency, the cooler is convenient to cool the hot water from the cooling pipe and return it to the water tank. There are corrosion and peeling on the inner wall of the cooling pipe, construction welds and impurities contained in the cooling water. These impurities enter the circulation pipeline, and the long-term The accumulation will eventually lead to the rupture of the cooling pipe, which will affect the normal operation and service life of the hood body. The filter can filter these impurities and prolong the service life of the hood body.
附图说明Description of drawings
附图用来提供对本实用新型的进一步理解，并且构成说明书的一部分，与本实用新型的实施例一起用于解释本实用新型，并不构成对本实用新型的限制。The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model.
在附图中：In the attached picture:
图1是本实用新型结构示意图；Fig. 1 is a structural representation of the utility model;
图2是本实用新型A剖视图图；Fig. 2 is a cross-sectional view of the utility model A;
图3是本实用新型环形管结构示意图；Fig. 3 is a structural schematic diagram of the utility model annular pipe;
图4是本实用新型过滤器结构示意图；Fig. 4 is a structural schematic diagram of the utility model filter;
图中标号：1、烟罩本体；2、进烟罩；3、连接罩；4、出烟罩；5、第一法兰；6、围板；7、环形槽；8、环形管；9、分水接头；10、冷却管；11、进水口；12、出水口；13、托板；14、水箱；15、冷却器；16、水管；17、第二法兰；18、水泵；19、过滤器；20、进液口；21、出液口；22、壳体；23、连接杆；24、过滤网。Symbols in the figure: 1, smoke hood body; 2, smoke inlet hood; 3, connecting cover; 4, smoke outlet hood; 5, first flange; 6, coaming plate; 7, annular groove; 8, annular pipe; 9 , water distribution joint; 10, cooling pipe; 11, water inlet; 12, water outlet; 13, supporting plate; 14, water tank; 15, cooler; 16, water pipe; 17, second flange; 18, water pump; 19 , filter; 20, liquid inlet; 21, liquid outlet; 22, shell; 23, connecting rod; 24, filter screen.
具体实施方式Detailed ways
以下结合附图对本实用新型的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本实用新型，并不用于限定本实用新型。The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.
实施例：如图1-4所示，本实用新型提供一种技术方案，一种新型水冷烟罩，包括烟罩本体1、第一法兰5、围板6、环形槽7、环形管8、分水接头9、冷却管10、进水口11、出水口12、托板13、水箱14、冷却器15、水管16、第二法兰17、水泵18和过滤器19，烟罩本体1包括进烟罩2、连接罩3和出烟罩4，进烟罩2一端与连接罩3一端连接，连接罩3另一端与出烟罩4一端连接，且连接罩3与进烟罩2和出烟罩4连接处均设置有第一法兰5，烟罩本体1两端均设置有围板6，围板6内部开设有环形槽7，环形槽7内部设置有环形管8，环形管8一端均与设置有分水接头9，两端分水接头9通过冷却管10连接，围板6外端分别设置有进水口11和出水口12，进水口11和出水口12内端均与环形管8连通，烟罩本体1外部一侧安装有托板13，托板13上端一侧设置有水箱14，水箱14上端设置有冷却器15，冷却器15上端通过水管16与出水口12连接，冷却器15一端与水箱14连接，且连接处设置有第二法兰17，水箱14一侧设置有水泵18，水泵18与水箱14下部侧端通过水管16连接，水泵18一侧设置有过滤器19，过滤器19包括进液口20、出液口21、壳体22、连接杆23和过滤网24，壳体22两端分别设置有进液口20和出液口21，壳体22内部一侧设置有连接杆23，连接杆23一侧设置有过滤网24，进液口20与水泵18连接，出液口21与进水口11连接。Embodiment: As shown in Figure 1-4, the utility model provides a technical solution, a new type of water-cooled hood, including the hood body 1, the first flange 5, the surrounding plate 6, the annular groove 7, and the annular pipe 8 , water distribution joint 9, cooling pipe 10, water inlet 11, water outlet 12, supporting plate 13, water tank 14, cooler 15, water pipe 16, second flange 17, water pump 18 and filter 19, smoke hood body 1 includes The smoke inlet cover 2, the connection cover 3 and the smoke outlet cover 4, one end of the smoke inlet cover 2 is connected with one end of the connection cover 3, the other end of the connection cover 3 is connected with one end of the smoke outlet cover 4, and the connection cover 3 is connected with the smoke inlet cover 2 and the outlet cover The first flange 5 is arranged at the joint of the smoke hood 4, the two ends of the smoke hood body 1 are provided with a shroud 6, the inside of the shroud 6 is provided with an annular groove 7, and the inside of the annular groove 7 is provided with an annular pipe 8, an annular pipe 8 One end is provided with a water distribution joint 9, and the two ends of the water distribution joint 9 are connected by a cooling pipe 10. The outer end of the coaming plate 6 is respectively provided with a water inlet 11 and a water outlet 12, and the inner ends of the water inlet 11 and the water outlet 12 are connected to the ring The pipe 8 is connected, and a supporting plate 13 is installed on the outer side of the fume hood body 1, and a water tank 14 is arranged on one side of the upper end of the supporting plate 13, and a cooler 15 is arranged on the upper end of the water tank 14, and the upper end of the cooler 15 is connected to the water outlet 12 through a water pipe 16, One end of the cooler 15 is connected to the water tank 14, and a second flange 17 is arranged at the joint, and a water pump 18 is arranged on one side of the water tank 14, and the water pump 18 is connected to the lower side end of the water tank 14 through a water pipe 16, and a filter is arranged on one side of the water pump 18 19. The filter 19 includes a liquid inlet 20, a liquid outlet 21, a housing 22, a connecting rod 23 and a filter screen 24. The two ends of the housing 22 are respectively provided with a liquid inlet 20 and a liquid outlet 21. Inside the housing 22 One side is provided with a connecting rod 23 , and one side of the connecting rod 23 is provided with a filter screen 24 , the liquid inlet 20 is connected with the water pump 18 , and the liquid outlet 21 is connected with the water inlet 11 .
优选的，烟罩本体1外侧设置有保温层，便于水箱14不受高温损伤。Preferably, an insulation layer is provided on the outside of the hood body 1, so that the water tank 14 is not damaged by high temperature.
优选的，连接罩3为弯管通道，便于将烟雾转向上空。Preferably, the connecting cover 3 is an elbow channel, which is convenient for turning the smoke to the sky.
优选的，进水口11和出水口12均设置有钢管，便于连接水管。Preferably, both the water inlet 11 and the water outlet 12 are provided with steel pipes to facilitate the connection of water pipes.
优选的，烟罩本体1外侧设置有抗腐蚀层，便于烟罩本体1在室外受风雨侵蚀。Preferably, an anti-corrosion layer is provided on the outside of the smoke hood body 1 to facilitate the wind and rain erosion of the smoke hood body 1 outdoors.
本实用新型的工作原理：一种新型水冷烟罩，烟罩本体1包括进烟罩2、连接罩3和出烟罩4，进烟罩2一端与连接罩3一端连接，连接罩3另一端与出烟罩4一端连接，且连接罩3与进烟罩2和出烟罩4连接处均设置有第一法兰5，便于连接的密封性，防止烟雾从连接处缝隙溢散出来，烟罩本体1两端均设置有围板6，便于将烟罩本体1内部冷却管10连接罩起来，支撑外部零部件，围板6内部开设有环形槽7，环形槽7内部设置有环形管8，环形管8一端均与设置有分水接头9，两端分水接头9通过冷却管10连接，冷却管10与环形管8连接配合形成循环管路，冷却水在循环管路中循环流动，加快了冷却速度，提升了冷却效率，围板6外端分别设置有进水口11和出水口12，进水口11和出水口12内端均与环形管8连通，烟罩本体1外部一侧安装有托板13，托板13上端一侧设置有水箱14，便于提供冷却水，水箱14上端设置有冷却器15，便于将从冷却管10出来的热水进行冷却，再回到水箱14中，冷却器15上端通过水管16与出水口12连接，冷却器15一端与水箱14连接，且连接处设置有第二法兰17，水箱14一侧设置有水泵18，水泵18与水箱14下部侧端通过水管16连接，水泵18一侧设置有过滤器19，冷却管10管内壁存在腐蚀剥落，施工焊瘤和冷却水中含有的杂质，这些杂质进入循环管路中，长期积存，最后会导致冷却管10破裂，影响烟罩本体1的正常工作和使用寿命，过滤器19可将这些杂质进行过滤，延长烟罩本体1使用寿命。The working principle of the utility model: a new type of water-cooled fume hood, the fume hood body 1 includes a fume inlet hood 2, a connecting hood 3 and a fume outlet hood 4, one end of the fume inlet hood 2 is connected with one end of the connecting hood 3, and the other end of the connecting hood 3 It is connected to one end of the smoke outlet hood 4, and the connection between the connection cover 3 and the smoke inlet hood 2 and the smoke outlet hood 4 is provided with a first flange 5, which facilitates the sealing of the connection and prevents the smoke from overflowing from the gap at the joint. Both ends of the cover body 1 are provided with coaming plates 6, which are convenient for connecting and covering the internal cooling pipe 10 of the hood body 1, and supporting external parts. The inside of the coaming plate 6 is provided with an annular groove 7, and the interior of the annular groove 7 is provided with an annular pipe 8 One end of the annular pipe 8 is provided with a water distribution joint 9, and the two ends of the water distribution joint 9 are connected through the cooling pipe 10, and the cooling pipe 10 is connected with the annular pipe 8 to form a circulation pipeline, and the cooling water circulates in the circulation pipeline. The cooling speed is accelerated and the cooling efficiency is improved. Water inlet 11 and water outlet 12 are respectively provided at the outer ends of the coaming plate 6. There is a supporting plate 13, and a water tank 14 is arranged on one side of the upper end of the supporting plate 13, which is convenient for providing cooling water; The upper end of the cooler 15 is connected to the water outlet 12 through a water pipe 16, one end of the cooler 15 is connected to the water tank 14, and a second flange 17 is arranged at the joint, and a water pump 18 is arranged on one side of the water tank 14, and the water pump 18 is connected to the lower side end of the water tank 14. It is connected through the water pipe 16, and the side of the water pump 18 is provided with a filter 19. The inner wall of the cooling pipe 10 is corroded and peeled off, construction welds and impurities contained in the cooling water enter the circulation pipe and accumulate for a long time. 10 is broken, which affects the normal operation and service life of the fume hood body 1, and the filter 19 can filter these impurities to prolong the service life of the fume hood body 1.
最后应说明的是：以上所述仅为本实用新型的优选实例而已，并不用于限制本实用新型，尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。Finally, it should be noted that: the above is only a preferred example of the utility model, and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820009547.1U CN207936775U (en) | 2018-01-04 | 2018-01-04 | A kind of water cooling petticoat pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820009547.1U CN207936775U (en) | 2018-01-04 | 2018-01-04 | A kind of water cooling petticoat pipe |
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| CN201820009547.1U Expired - Fee Related CN207936775U (en) | 2018-01-04 | 2018-01-04 | A kind of water cooling petticoat pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145943A (en) * | 2019-05-29 | 2019-08-20 | 吴红梅 | A low smoke hood device for heat energy recovery and utilization |
| CN111879134A (en) * | 2020-09-04 | 2020-11-03 | 河南太行全利重工股份有限公司 | A new type of water-cooled fume hood |
-
2018
- 2018-01-04 CN CN201820009547.1U patent/CN207936775U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145943A (en) * | 2019-05-29 | 2019-08-20 | 吴红梅 | A low smoke hood device for heat energy recovery and utilization |
| CN110145943B (en) * | 2019-05-29 | 2021-05-11 | 五河县纬立农业科技有限公司 | A low smoke hood device for heat recovery and utilization |
| CN111879134A (en) * | 2020-09-04 | 2020-11-03 | 河南太行全利重工股份有限公司 | A new type of water-cooled fume hood |
| CN111879134B (en) * | 2020-09-04 | 2025-06-20 | 河南太行全利重工股份有限公司 | A water-cooled smoke hood |
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