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Classified filtering equipment for urban collected rainwater

A technology for grading filtration and rainwater, which is applied in filtration and separation, fixed filter element filters, separation methods, etc., can solve the problems of insufficient green environmental protection, excessive power consumption, consumption, etc., and achieves reuse, convenient cleaning and secondary recycling. Effect

Active Publication Date: 2021-10-22
江苏永吉消防科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that in the prior art, the preliminary filtering of the collected rainwater consumes more electric energy and is not environmentally friendly enough.

Method used

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  • Classified filtering equipment for urban collected rainwater
  • Classified filtering equipment for urban collected rainwater
  • Classified filtering equipment for urban collected rainwater

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Embodiment Construction

[0021] refer to Figure 1-3 , a kind of urban rainwater harvesting and filtering equipment, including a housing 1, and the top of the housing 1 is provided with a water inlet 2, and the top of the housing 1 is provided with an inclined water retaining wing 3, and the water retaining wing 3 is used to limit the water flow The direction of impelling the water flow to fall to the direction of the rotating fan 8, the housing 1 is fixedly provided with a water guiding plate 5 and two water retaining plates 12, such as figure 2 As shown, the water guide plate 5 is in an inverted U shape, and the two water retaining plates 12 are symmetrically located on both sides of the water guide plate 5. The impurity removal mechanism 4 is installed in the middle of the water guide plate 5. The impurity removal mechanism 4 includes a 1 The support plate 403 connected to the side wall by rotation, the upper and lower sides of the support plate 403 are respectively fixed with the first filter pla...

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Abstract

The invention discloses urban collected rainwater classification filtering equipment. The equipment comprises a shell, a water inlet is formed in the top of the shell, an inclined water retaining wing is arranged at the top of the shell, a water guide plate and two water retaining plates are fixedly arranged in the shell, the two water retaining plates are symmetrically located on the two sides of the water guide plate, an impurity removal mechanism is installed in the middle of the water guide plate and comprises a supporting plate rotationally connected with the side wall of the shell. According to the invention, the collected rainwater can be filtered in a graded manner, large impurities in the rainwater are concentrated in the impurity removal area, small impurities such as silt are concentrated in the sand collection area, the impurities can be conveniently cleaned and secondarily recycled, meanwhile, dirty rainwater flows out from the drain outlet, rainwater with few impurities flows out from the water outlet, so that the equipment can realize recycling of water resources, needs little electric energy during working, and has the advantages of being green and energy-saving.

Description

technical field [0001] The invention relates to the technical field of rainwater filtration and recovery, in particular to a grading and filtering equipment for collecting and retaining rainwater in cities. Background technique [0002] In order to improve the shortage of water resources, most cities will collect rainwater and use it as reserve water for cleaning, irrigation and other activities. However, the collected rainwater generally contains more impurities and cannot be used directly. Carry out preliminary filtration and separation, as in the working method of a kind of municipal construction rainwater recovery and treatment device proposed in the patent document CN109045834A, first filter the large impurities in the rainwater or domestic sewage through the coarse filter screen, and then The rainwater or domestic sewage is filtered twice through the fine filter plate and activated carbon filter plate arranged at an angle, so as to realize the preliminary treatment of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/03B01D29/56B01D29/72B01D29/96
CPCB01D29/035B01D29/56B01D29/96B01D29/72
Inventor 宋叶勇
Owner 江苏永吉消防科技有限公司
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