CN105201924A - Self-cleaning negative pressure blower - Google Patents
Self-cleaning negative pressure blower Download PDFInfo
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Abstract
本发明提出了一种自清洁负压风机，包括第一筒形壳体、第一清扫组件、第一过滤网、抽风组件、第二过滤网、第二清扫组件和污物收集组件；第一筒形壳体沿其轴向的第一端为室内进出口，第二端为室外进出口，第一清扫组件、第一过滤网、抽风组件、第二过滤网、第二清扫组件均设置在第一筒形壳体的腔内，且沿第一筒形壳体的第一端至第二端依次设置；污物收集组件包括排污管和收集袋，排污管第一端上设有第一分管和第二分管，第一分管和第二分管分别与第一筒形壳体内腔连通，排污管第二端与收集袋连接。本发明简单实用，能够自清洁，省时省力。
The present invention proposes a self-cleaning negative pressure fan, which includes a first cylindrical shell, a first cleaning assembly, a first filter screen, an exhaust assembly, a second filter screen, a second cleaning assembly and a dirt collection assembly; the first The first end of the cylindrical shell along its axis is the indoor inlet and outlet, and the second end is the outdoor inlet and outlet. The first cleaning assembly, the first filter screen, the exhaust assembly, the second filter screen, and the second cleaning assembly are all arranged In the cavity of the first cylindrical shell, and arranged in sequence along the first end to the second end of the first cylindrical shell; the dirt collection assembly includes a sewage pipe and a collection bag, and the first end of the sewage pipe is provided with a first The branch pipe and the second branch pipe, the first branch pipe and the second branch pipe are respectively communicated with the inner cavity of the first cylindrical shell, and the second end of the sewage discharge pipe is connected with the collection bag. The invention is simple and practical, capable of self-cleaning, and saves time and effort.
Description
技术领域technical field
本发明涉及风机技术领域，尤其涉及一种自清洁负压风机。The invention relates to the technical field of fans, in particular to a self-cleaning negative pressure fan.
背景技术Background technique
工厂中一般都会使用负压风机对厂房内加工生产过程中产生的气体或者漂浮的颗粒物进行抽风排出，尤其在对一些烟尘的抽取时，由于灰尘容易堆积在风机内，造成需要频繁清洗风机的问题，否则，风机就无法顺利工作，而且工作量较大，现有技术中，常采用人工清理的方法，非常不方便。In factories, negative pressure fans are generally used to exhaust the gas or floating particles generated during the processing and production process in the factory building, especially when extracting some smoke and dust, because the dust is easy to accumulate in the fan, resulting in the need for frequent cleaning of the fan. , otherwise, the fan cannot work smoothly, and the workload is relatively large. In the prior art, manual cleaning is often used, which is very inconvenient.
发明内容Contents of the invention
基于背景技术存在的技术问题，本发明提出了一种自清洁负压风机。Based on the technical problems existing in the background technology, the present invention proposes a self-cleaning negative pressure fan.
本发明提出的一种自清洁负压风机，包括第一筒形壳体、第一清扫组件、第一过滤网、抽风组件、第二过滤网、第二清扫组件和污物收集组件；A self-cleaning negative pressure fan proposed by the present invention includes a first cylindrical shell, a first cleaning assembly, a first filter screen, an exhaust assembly, a second filter screen, a second cleaning assembly and a dirt collection assembly;
第一筒形壳体沿其轴向的第一端设有室内进出口，第二端设有室外进出口，第一清扫组件、第一过滤网、抽风组件、第二过滤网、第二清扫组件均设置在第一筒形壳体的腔内，且沿第一筒形壳体的第一端至第二端依次设置；The first end of the first cylindrical shell along its axial direction is provided with an indoor inlet and outlet, and the second end is provided with an outdoor inlet and outlet. The first cleaning assembly, the first filter screen, the exhaust assembly, the second filter screen, and the second cleaning The components are all arranged in the cavity of the first cylindrical shell, and arranged in sequence along the first end to the second end of the first cylindrical shell;
第一过滤网和第二过滤网均与第一筒形壳体固定，第一清扫组件包括第一旋转刷，第一旋转刷刷毛贴着第一过滤网，第一旋转刷由第一驱动机构驱动旋转，使第一旋转刷刷过整个第一过滤网，第二清扫组件包括第二旋转刷，第二旋转刷刷毛贴着第二过滤网，第二旋转刷由第二驱动机构驱动旋转，第二旋转刷刷毛贴着第二过滤网，使第二旋转刷刷过整个第二过滤网；Both the first filter screen and the second filter screen are fixed to the first cylindrical housing, the first cleaning assembly includes a first rotating brush, the bristles of the first rotating brush are attached to the first filter screen, and the first rotating brush is driven by the first driving mechanism Drive to rotate, so that the first rotating brush brushes through the entire first filter screen, the second cleaning assembly includes a second rotating brush, the bristles of the second rotating brush are attached to the second filter screen, and the second rotating brush is driven to rotate by the second driving mechanism, The bristles of the second rotating brush are attached to the second filter screen, so that the second rotating brush brushes through the entire second filter screen;
抽风组件包括风扇扇叶和电机；The exhaust assembly includes fan blades and motors;
污物收集组件包括排污管和收集袋，排污管第一端上设有第一分管和第二分管，第一分管和第二分管分别与第一筒形壳体内腔连通，排污管第二端与收集袋连接。The dirt collection assembly includes a sewage discharge pipe and a collection bag. The first end of the sewage discharge pipe is provided with a first branch pipe and a second branch pipe. Attaches to collection bag.
优选地，抽风组件与第一筒形壳体转动安装，该转动轴线与第一筒形壳体的轴线垂直，抽风组件由第三驱动机构驱动旋转。Preferably, the exhaust assembly is rotatably installed with the first cylindrical casing, the rotation axis is perpendicular to the axis of the first cylindrical casing, and the exhaust assembly is driven to rotate by the third driving mechanism.
优选地，第一筒形壳体第一端设有第一活动百叶格栅，第一活动百叶格栅由第一格栅驱动机构驱动，第一筒形壳体第二端设有第二活动百叶格栅，第二活动百叶格栅由第二格栅驱动机构驱动。Preferably, the first end of the first cylindrical shell is provided with a first movable louver grill, and the first movable louver grill is driven by the first grill drive mechanism, and the second end of the first cylindrical casing is provided with a second movable louver grill. The louver grille, the second movable louver grille is driven by the second grille driving mechanism.
优选地，第一分管与第一筒形壳体连通处设有第一挡盖，第一挡盖与第一筒形壳体转动连接，且由第一挡盖驱动机构驱动，第二分管与第一筒形壳体连通处设有第二挡盖，第二挡盖与第一筒形壳体转动连接，且由第二挡盖驱动机构驱动。Preferably, a first blocking cover is provided at the connection between the first branch pipe and the first cylindrical casing, the first blocking cover is rotatably connected with the first cylindrical casing, and is driven by the first blocking cover driving mechanism, and the second branch pipe is connected to the first cylindrical casing. A second blocking cover is provided at the communication part of the first cylindrical shell, and the second blocking cover is rotatably connected with the first cylindrical shell and driven by the second blocking cover driving mechanism.
优选地，第一筒形壳体第二端沿其轴线的垂直方向延伸出第二筒形壳体，第二筒形壳体与排污管位于第一筒形壳体的同一侧。Preferably, the second end of the first cylindrical casing extends out of the second cylindrical casing along the vertical direction of its axis, and the second cylindrical casing and the sewage pipe are located on the same side of the first cylindrical casing.
优选地，第一筒形壳体上设有第三壳体，第一驱动机构、第二驱动机构、第三驱动机构、第一格栅驱动机构、第二格栅驱动机构、第一挡盖驱动机构和第二挡盖驱动机构均位于在第三壳体的内腔中。Preferably, the first cylindrical shell is provided with a third shell, a first drive mechanism, a second drive mechanism, a third drive mechanism, a first grid drive mechanism, a second grid drive mechanism, a first cover Both the driving mechanism and the second cover driving mechanism are located in the inner cavity of the third housing.
优选地，电机与变频器连接。Preferably, the motor is connected with a frequency converter.
本发明中提供的一种自清洁负压风机，通过在第一筒形壳体内腔中设置抽风组件，在抽风组件两侧设置第一过滤网和第二过滤网，从而对抽风组件起到一定的保护作用，从而使抽风组件的效率得到保证；针对第一过滤网和第二过滤网分别设置第一清扫组件和第二清扫组件，对第一过滤网和第二过滤网进行清理，从而省去了人工清理的麻烦，同时，能够保证负压风机的工作效率；在第一筒形壳体设置第二筒形壳体能有效起到降噪的作用。In the self-cleaning negative pressure fan provided in the present invention, an air exhaust assembly is arranged in the inner cavity of the first cylindrical shell, and a first filter net and a second filter net are arranged on both sides of the air exhaust assembly, so as to play a certain role in the air exhaust assembly. The protective effect of the ventilation assembly is ensured; the first cleaning assembly and the second cleaning assembly are respectively set up for the first filter and the second filter to clean the first filter and the second filter, thereby saving The trouble of manual cleaning is eliminated, and at the same time, the working efficiency of the negative pressure fan can be guaranteed; the second cylindrical shell is installed on the first cylindrical shell, which can effectively reduce noise.
附图说明Description of drawings
图1为本发明提出的一种自清洁负压风机的结构示意图。Fig. 1 is a schematic structural diagram of a self-cleaning negative pressure fan proposed by the present invention.
具体实施方式Detailed ways
如图1所示，图1为本发明提出的一种自清洁负压风机的结构示意图。As shown in Fig. 1, Fig. 1 is a schematic structural diagram of a self-cleaning negative pressure fan proposed by the present invention.
参照图1，本发明提出的一种自清洁负压风机，包括第一筒形壳体1、第一清扫组件2、第一过滤网3、抽风组件4、第二过滤网5、第二清扫组件6和污物收集组件7；Referring to Fig. 1, a self-cleaning negative pressure fan proposed by the present invention includes a first cylindrical shell 1, a first cleaning assembly 2, a first filter 3, an exhaust assembly 4, a second filter 5, a second cleaning Component 6 and dirt collection component 7;
第一筒形壳体1沿其轴向的第一端设有室内进出口，第二端为室外进出口，第一清扫组件2、第一过滤网3、抽风组件4、第二过滤网5、第二清扫组件6均设置在第一筒形壳体1的腔内，且沿第一筒形壳体1的第一端至第二端依次设置；抽风组件4包括风扇扇叶26和电机27；抽风组件4设置在第一过滤网3和第二过滤网5之间，可对抽风组件4起到一定的保护作用，防止灰尘堆积在风扇扇叶26和电机27上从而影响工作，具体地，还在电机27上连接有变频器，从而实现更节能的工作。The first axial end of the first cylindrical shell 1 is provided with an indoor inlet and outlet, and the second end is an outdoor inlet and outlet. The first cleaning assembly 2, the first filter screen 3, the exhaust assembly 4, and the second filter screen 5 1. The second cleaning assembly 6 is all arranged in the cavity of the first cylindrical housing 1, and is arranged sequentially along the first end to the second end of the first cylindrical housing 1; the exhaust assembly 4 includes a fan blade 26 and a motor 27; the exhaust assembly 4 is arranged between the first filter 3 and the second filter 5, which can protect the exhaust assembly 4 and prevent dust from accumulating on the fan blades 26 and the motor 27 to affect the work. Specifically On the ground, a frequency converter is also connected to the motor 27, so as to realize more energy-saving work.
第一过滤网3和第二过滤网5均与第一筒形壳体1固定，第一清扫组件2包括第一旋转刷8，第一旋转刷8刷毛贴着第一过滤网3，第一旋转刷8由第一驱动机构9驱动旋转，使第一旋转刷8刷过整个第一过滤网3，第二清扫组件6包括第二旋转刷10，第二旋转刷10刷毛贴着第二过滤网5，第二旋转刷10由第二驱动机构11驱动旋转，第二旋转刷10刷毛贴着第二过滤网5，使第二旋转刷10刷过整个第二过滤网5；灰尘主要从第一过滤网3和第二过滤网5相背离的面逐渐集聚，设置第一旋转刷8和第二旋转刷10分别对上述背离面进行清扫，防止灰尘堆积，从而提高风机的工作效率。Both the first filter screen 3 and the second filter screen 5 are fixed to the first cylindrical housing 1, the first cleaning assembly 2 includes a first rotating brush 8, and the bristles of the first rotating brush 8 are attached to the first filter screen 3, the first The rotating brush 8 is driven to rotate by the first driving mechanism 9, so that the first rotating brush 8 brushes through the entire first filter screen 3, and the second cleaning assembly 6 includes a second rotating brush 10, and the bristles of the second rotating brush 10 are attached to the second filter. Net 5, the second rotating brush 10 is driven to rotate by the second driving mechanism 11, and the bristles of the second rotating brush 10 are attached to the second filter screen 5, so that the second rotating brush 10 brushes through the entire second filter screen 5; dust mainly comes from the second filter screen 5 The surfaces facing away from the first filter 3 and the second filter 5 gradually gather, and the first rotating brush 8 and the second rotating brush 10 are arranged to clean the above-mentioned facing away surfaces respectively to prevent dust from accumulating, thereby improving the working efficiency of the fan.
污物收集组件7包括排污管14和收集袋15，排污管14第一端上设有第一分管12和第二分管13，第一分管12和第二分管13分别与第一筒形壳体1内腔连通，排污管14第二端与收集袋15连接，清扫下来的灰尘堆积在第一筒形壳体1内会影响整个风机工作，通过收集袋15即使对清扫下来的灰尘杂质进行装袋，能够确保风机顺利工作。The dirt collection assembly 7 comprises a sewage pipe 14 and a collection bag 15, the first end of the sewage pipe 14 is provided with a first sub-pipe 12 and a second sub-pipe 13, and the first sub-pipe 12 and the second sub-pipe 13 are connected with the first cylindrical housing respectively. 1. The inner cavity is connected, and the second end of the sewage pipe 14 is connected to the collection bag 15. The accumulated dust accumulated in the first cylindrical shell 1 will affect the operation of the entire fan. bag, which can ensure the smooth operation of the fan.
本实施方式中，抽风组件4与第一筒形壳体1转动安装，该转动轴线与第一筒形壳体1的轴线垂直，抽风组件4由第三驱动机构28驱动旋转，设置抽风组件4旋转可选择使风向从第一筒形壳体1第一端流向第二端或第二端流向第一端，从而可实现从室内将待排除的气体排除，或从室外抽取空气，通过第二过滤网5的过滤后通入室内，更新室内空气，参考图1，抽风组件处于A位置时，抽风组件工作，气流由第一筒形壳体1第二端流向第一筒形壳体1第一端，即从室外抽向室内，抽风组件处于B位置时，抽风组件工作，气流由第一筒形壳体1第一端流向第一筒形壳体1第二端，即从室内排向室外。In this embodiment, the air exhaust assembly 4 is rotatably installed with the first cylindrical housing 1, and the rotation axis is perpendicular to the axis of the first cylindrical housing 1. The air exhaust assembly 4 is driven to rotate by the third drive mechanism 28, and the air exhaust assembly 4 is set. Rotation can choose to make the wind direction flow from the first end of the first cylindrical shell 1 to the second end or the second end to the first end, so that the gas to be removed can be removed from the room, or the air can be drawn from the outside to pass through the second end. After filtering by the filter screen 5, it enters the room to renew the indoor air. With reference to Fig. 1, when the air exhaust assembly is in position A, the air exhaust assembly works, and the air flow flows from the second end of the first cylindrical housing 1 to the second end of the first cylindrical housing 1. One end, that is, from the outdoor to the indoor, when the exhaust assembly is in the B position, the exhaust assembly works, and the airflow flows from the first end of the first cylindrical shell 1 to the second end of the first cylindrical shell 1, that is, from the indoor to the outdoor.
上述结构中，在第一转动刷和第二转动刷在清扫灰尘的过程中，为了防止灰尘从第一筒形壳体1第一端或第二端扬出，在第一筒形壳体1第一端设有第一活动百叶格栅25，第一活动百叶格栅25由第一格栅驱动机构16驱动，第一筒形壳体1第二端设有第二活动百叶格栅17，第二活动百叶格栅17由第二格栅驱动机构18驱动，在第一格栅驱动机构16和第二格栅驱动机构18的作用下，第一活动百叶格栅25和第二活动百叶格栅17上的百叶旋转，使其关闭或打开。当抽风组件4在工作时，第一活动百叶格栅25和第二活动百叶格栅17处于打开状态，使气流流入或流出第一筒形壳体1腔内；当第一转动刷和第二转动刷在清扫灰尘时，可通过第一格栅驱动机构16和第二格栅驱动机构18关闭，防止灰尘从第一筒形壳体1两端扬出。In the above structure, in order to prevent the dust from blowing out from the first end or the second end of the first cylindrical housing 1 when the first rotating brush and the second rotating brush are cleaning the dust, the first cylindrical housing 1 The first end is provided with a first movable louver grille 25, the first movable louver grille 25 is driven by the first grille driving mechanism 16, and the second end of the first cylindrical shell 1 is provided with a second movable louver grille 17, The second movable louver grille 17 is driven by the second grille driving mechanism 18. Under the action of the first grille driving mechanism 16 and the second grille driving mechanism 18, the first movable louver grille 25 and the second movable louver grille The shutters on the grid 17 rotate to close or open. When the draft assembly 4 is working, the first movable louver grill 25 and the second movable louver grill 17 are in an open state, so that the air flow flows into or out of the cavity of the first cylindrical housing 1; when the first rotating brush and the second rotating brush When the rotating brush is cleaning dust, it can be closed by the first grid drive mechanism 16 and the second grid drive mechanism 18 to prevent dust from blowing out from the two ends of the first cylindrical housing 1 .
本实施方式中，为了使气流在第一筒形壳体1腔内流通更顺畅，从而实现顺利排风换气，在第一分管12与第一筒形壳体1连通处设有第一挡盖19，第一挡盖19与第一筒形壳体1转动连接，且由第一挡盖驱动机构20驱动，在第二分管13与第一筒形壳体1连通处设有第二挡盖21，第二挡盖21与第一筒形壳体1转动连接，且由第二挡盖驱动机构22驱动，当抽风组件4处于工作时，第一挡盖19和第二挡盖21处于关闭状态；当第一转动刷和第二转动刷在清扫灰尘时，第一挡盖19和第二挡盖21处于开启状态，使灰尘顺利落入第一分管12、第二分管13，从而经排污管14进入收集袋15。In this embodiment, in order to make the air flow flow more smoothly in the cavity of the first cylindrical shell 1, so as to realize smooth exhaust and ventilation, a first stopper is provided at the communication point between the first branch pipe 12 and the first cylindrical shell 1. Cover 19, the first blocking cover 19 is rotatably connected with the first cylindrical casing 1, and is driven by the first blocking cover driving mechanism 20, and a second blocking is provided at the communication point between the second branch pipe 13 and the first cylindrical casing 1 Cover 21, the second cover 21 is rotatably connected with the first cylindrical housing 1, and is driven by the second cover drive mechanism 22, when the exhaust assembly 4 is in operation, the first cover 19 and the second cover 21 are in the Closed state; when the first rotating brush and the second rotating brush are cleaning the dust, the first blocking cover 19 and the second blocking cover 21 are in the open state, so that the dust can smoothly fall into the first branch pipe 12 and the second branch pipe 13, thereby through The waste pipe 14 enters the collection bag 15 .
上述结构中，第一筒形壳体1第二端沿其轴线的垂直方向延伸出第二筒形壳体23，第二筒形壳体23的设置可起到降噪的作用，第二筒形壳体23与排污管14位于第一筒形壳体1的同一侧，在安装时，可使第二筒形壳体23与排污管14通处于风机下方，从而更容易清理灰尘，从而也防止从室内往外排风时，在室外风力较大时，室外空气逆流。In the above structure, the second end of the first cylindrical shell 1 extends out of the second cylindrical shell 23 along the vertical direction of its axis, and the setting of the second cylindrical shell 23 can play the role of noise reduction. The housing 23 and the blowdown pipe 14 are located on the same side of the first cylindrical casing 1. When installing, the second cylindrical casing 23 and the blowdown pipe 14 can be connected under the blower fan, so that it is easier to clean the dust, thereby also Prevent the outdoor air from backflowing when the outdoor wind is strong when the air is exhausted from the room to the outside.
为了精简第一筒形壳体1内的空间，使气流流通更加通畅，本实施例中，还在第一筒形壳体1上设有第三壳体24，第一驱动机构9、第二驱动机构11、第三驱动机构28、第一格栅驱动机构16、第二格栅驱动机构18、第一挡盖驱动机构20和第二挡盖驱动机构22均位于在第三壳体24的内腔中。In order to simplify the space in the first cylindrical housing 1 and make the air flow more smooth, in this embodiment, a third housing 24 is also provided on the first cylindrical housing 1, the first driving mechanism 9, the second The driving mechanism 11 , the third driving mechanism 28 , the first grille driving mechanism 16 , the second grille driving mechanism 18 , the first cover driving mechanism 20 and the second blocking cover driving mechanism 22 are all located in the third housing 24 in the lumen.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
Claims (7)
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| CN201510508122.6A CN105201924B (en) | 2015-08-18 | 2015-08-18 | A kind of self-cleaning negative pressure blower fan |
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| CN201510508122.6A CN105201924B (en) | 2015-08-18 | 2015-08-18 | A kind of self-cleaning negative pressure blower fan |
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| CN105201924A true CN105201924A (en) | 2015-12-30 |
| CN105201924B CN105201924B (en) | 2017-08-18 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105508268A (en) * | 2016-02-26 | 2016-04-20 | 张海娟 | Self-suction type dust filtering device |
| CN108105134A (en) * | 2017-12-18 | 2018-06-01 | 安徽喜尔奇日用品有限公司 | A kind of air interchanger with clearing function |
| CN108194429A (en) * | 2018-04-02 | 2018-06-22 | 宿州迅驰电子科技有限公司 | A kind of automatically cleaning maintenance process of exhaust blower |
| CN108547802A (en) * | 2018-04-02 | 2018-09-18 | 宿州迅驰电子科技有限公司 | A kind of dust-proof maintenance process of exhaust blower |
| CN108547779A (en) * | 2018-04-02 | 2018-09-18 | 宿州迅驰电子科技有限公司 | A kind of self-cleaning exhaust blower |
| CN109287293A (en) * | 2018-09-28 | 2019-02-01 | 侯马高知新生物科技有限公司 | A kind of device for recovering straw convenient for particle pack |
| CN109944811A (en) * | 2019-04-24 | 2019-06-28 | 苏州市百川设备工程有限公司 | An industrial large fan for aviation workshop that is convenient for dust removal |
| CN111288602A (en) * | 2020-02-19 | 2020-06-16 | 符长江 | Automatically cleaning new trend system |
| CN112012945A (en) * | 2020-08-19 | 2020-12-01 | 包志国 | Self-cleaning ventilation equipment for coal mine |
| CN112578084A (en) * | 2020-12-09 | 2021-03-30 | 贵州盘江煤电集团技术研究院有限公司 | Detection device is administered to colliery gas in pit |
| CN112892088A (en) * | 2021-01-17 | 2021-06-04 | 李玉芬 | A storehouse takes place in vacuum that is used for non-woven fabrics processing usefulness to have a function of inhaling grain |
| CN113134446A (en) * | 2021-04-21 | 2021-07-20 | 乐清市足资初生物科技有限公司 | Middle recovery mechanism, plastic spraying recovery device and plastic spraying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508268A (en) * | 2016-02-26 | 2016-04-20 | 张海娟 | Self-suction type dust filtering device |
| CN108105134A (en) * | 2017-12-18 | 2018-06-01 | 安徽喜尔奇日用品有限公司 | A kind of air interchanger with clearing function |
| CN108547802B (en) * | 2018-04-02 | 2020-07-28 | 威海华美瑞通风机设备有限公司 | Dust-proof maintenance method for exhaust fan |
| CN108194429A (en) * | 2018-04-02 | 2018-06-22 | 宿州迅驰电子科技有限公司 | A kind of automatically cleaning maintenance process of exhaust blower |
| CN108547802A (en) * | 2018-04-02 | 2018-09-18 | 宿州迅驰电子科技有限公司 | A kind of dust-proof maintenance process of exhaust blower |
| CN108547779A (en) * | 2018-04-02 | 2018-09-18 | 宿州迅驰电子科技有限公司 | A kind of self-cleaning exhaust blower |
| CN109287293A (en) * | 2018-09-28 | 2019-02-01 | 侯马高知新生物科技有限公司 | A kind of device for recovering straw convenient for particle pack |
| CN109944811A (en) * | 2019-04-24 | 2019-06-28 | 苏州市百川设备工程有限公司 | An industrial large fan for aviation workshop that is convenient for dust removal |
| CN111288602A (en) * | 2020-02-19 | 2020-06-16 | 符长江 | Automatically cleaning new trend system |
| CN111288602B (en) * | 2020-02-19 | 2021-07-23 | 四季沐歌科技集团有限公司 | Automatically cleaning new trend system |
| CN112012945A (en) * | 2020-08-19 | 2020-12-01 | 包志国 | Self-cleaning ventilation equipment for coal mine |
| CN112578084A (en) * | 2020-12-09 | 2021-03-30 | 贵州盘江煤电集团技术研究院有限公司 | Detection device is administered to colliery gas in pit |
| CN112578084B (en) * | 2020-12-09 | 2022-07-26 | 贵州盘江煤电集团技术研究院有限公司 | Detection device is administered to colliery gas in pit |
| CN112892088A (en) * | 2021-01-17 | 2021-06-04 | 李玉芬 | A storehouse takes place in vacuum that is used for non-woven fabrics processing usefulness to have a function of inhaling grain |
| CN113134446A (en) * | 2021-04-21 | 2021-07-20 | 乐清市足资初生物科技有限公司 | Middle recovery mechanism, plastic spraying recovery device and plastic spraying equipment |
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