CN101219294B - 微灌砂石过滤器水气同时冲洗装置 - Google Patents
微灌砂石过滤器水气同时冲洗装置 Download PDFInfo
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- CN101219294B CN101219294B CN2007101896647A CN200710189664A CN101219294B CN 101219294 B CN101219294 B CN 101219294B CN 2007101896647 A CN2007101896647 A CN 2007101896647A CN 200710189664 A CN200710189664 A CN 200710189664A CN 101219294 B CN101219294 B CN 101219294B
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CN2007101896647A CN101219294B (zh) | 2007-09-25 | 2007-09-25 | 微灌砂石过滤器水气同时冲洗装置 |
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CN2007101896647A CN101219294B (zh) | 2007-09-25 | 2007-09-25 | 微灌砂石过滤器水气同时冲洗装置 |
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CN101219294A CN101219294A (zh) | 2008-07-16 |
CN101219294B true CN101219294B (zh) | 2010-09-08 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101961568A (zh) * | 2010-09-03 | 2011-02-02 | 浙江弗莱德环境科技有限公司 | 一种压力式机械过滤器 |
CN103520968B (zh) * | 2013-10-29 | 2016-02-10 | 中国石油天然气股份有限公司 | 油田采出水处理过滤罐气水反冲洗再生工艺 |
CN103623626B (zh) * | 2013-12-10 | 2015-07-08 | 武汉市汉江石油物资技术开发有限责任公司 | 一种高效节能的颗粒状滤料过滤器及反冲洗方法 |
CN104429270A (zh) * | 2014-12-01 | 2015-03-25 | 石家庄鑫农机械有限公司 | 一种施肥方法及水肥混合装置 |
CN109590262A (zh) * | 2018-12-12 | 2019-04-09 | 徐锐 | 一种具有稳流沉砂功能的连续冲洗砂滤装置 |
CN110947212A (zh) * | 2019-11-19 | 2020-04-03 | 合肥三番水处理设备有限公司 | 一种逆向流纤维过滤器 |
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Owner name: XINXIANG YUTONG VALVE CO., LTD. Free format text: FORMER OWNER: FARMLAND IRRIGATION RESEARCH INSTITUTE, CHINESE ACADEMY OF AGRICULTURAL SCIENCES Effective date: 20121226 |
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Effective date of registration: 20121226 Address after: 453882 overpass No. 1, Kang Industrial Zone, Huojia County, Henan, Xinxiang Patentee after: Xinxiang Yutong Valve Co.,Ltd. Address before: 453003 No. 173, Jianshe Road, Henan, Xinxiang Patentee before: Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences |
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Granted publication date: 20100908 Termination date: 20130925 |