Box type water sample online filtering device
A filter device, box-type technology, applied in the field of box-type water sample on-line filter device, can solve the problems such as water turbidity can not be eliminated, achieve significant turbidity elimination effect, easy to disassemble and install, simple and fast maintenance
Inactive Publication Date: 2011-11-23
SHANGHAI MTW AUTOMATIC CONTROL EQUIP & ENG
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Problems solved by technology
[0003] The purpose of the present invention is: to overcome the defect that the prior art cannot eliminate the turbidity of water quality, and to provide a box-type water sample that can be applied to the sedimentation tank of the online automatic monitoring system of water quality and can effectively remove the turbidity of high turbidity water samples In-line filter
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[0016] figure 1 It is a schematic diagram of the structure of the present invention. It can be seen from the figure that a box-type water sample on-line filter device includes a grit chamber 2, a sprayer 1 placed on the top of the grit chamber 2, and a grit chamber 2. The sample inlet 4 and the discharge valve 5 at the bottom are characterized in that: the inner wall of the chamber in the middle of the grit chamber 2 is equipped with a supporting step 6 of the box filter 3, and its upper surface is connected with the bottom surface of the box filter 3. The shape and size of the outer peripheral surface of the box filter device 3 are matched with the inner peripheral surface of the grit chamber 2 .
[0017] figure 2 It is a schematic diagram of the decomposition structure of the box-type filter device. The box-type filter device shown in the figure is sequentially equipped with an upper cover 8, an upper filter screen 10, a box frame filter layer 11, a lower filter screen 12,...
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The invention belongs to the technical field of water quality online automatic analysis and relates to a box type water sample online filtering device. The box type water sample online filtering device is characterized in that: supporting steps of the box type filtering device are arranged on an inner wall of a middle cavity of a settling basin; the upper surface of the settling basin is connected with the bottom face of the box type filtering device; and the shape and the size of the external peripheral surface of the box type filtering device are matched with that of the internal peripheral surface of the settling basin. An upper sealing cover, an upper layer filtering screen, a box frame filtering layer, a lower layer filtering screen and a lower sealing cover which are serially connected and fixed by screw bolts and screw nuts are sequentially arranged on the box type filtering device from top to bottom, and the upper sealing cover and the lower sealing cover are provided with water-permeable holes. The box type water sample online filtering device has the following advantages that: with the adoption of a plurality of layers of filtering screens and the box frame filtering layer which is loaded with a filtering material, a remarkable turbidity-removing effect can be obtained; through washing by spraying from top to bottom and washing through aerating from bottom to top, particulate matters and suspended substances which are retained are easy to elute; and with the adoption of a bolt-fixing mounting manner, the box type water sample online filtering device is easy to detach and mount, and is simple and convenient and fast to maintain.
Description
technical field [0001] The invention belongs to the technical field of online automatic analysis of water quality, and relates to a box-type online filter device for water samples, which can be used as the primary filter for a sedimentation tank of an online automatic water quality monitoring system. Background technique [0002] On-line automatic monitoring of various indicators of water quality is an important part of environmental protection. The current on-line automatic water quality monitoring system generally does not have a primary filter device in the grit chamber, even if there is, it only installs a screen in the grit chamber to simply filter the raw water samples, and its filtering effect is limited. It can play the role of intercepting floating sundries and sand particles with relatively large outer diameters, and basically has no effect on the elimination of water sample turbidity. It cannot meet the needs of using the photometric online automatic analyzer for...
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IPC IPC(8): G01N1/34
Inventor 周小平周国平周紫光万众欢奚森斌
Owner SHANGHAI MTW AUTOMATIC CONTROL EQUIP & ENG