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Mud scraper

A technology of mud scraper and mud scraper, which is applied to the sedimentation tank, the feeding/discharging device of the sedimentation tank, chemical instruments and methods, etc., which can solve the problem of insufficient sedimentation time, difficulty in solid-liquid separation, and unclear supernatant To achieve the effect of improving the flocculation effect, ensuring the water outlet effect, and reducing the agitation of the water inlet

Inactive Publication Date: 2020-05-05
YANGZHOU XINYA ENVIRONMENTAL ENG
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Problems solved by technology

Its disadvantage is that the flow rate of sewage in the water inlet pipe is too fast, which is easy to stir the liquid in the guide tube, so that the liquid in the concentrated sedimentation tank near the center cannot rise evenly, resulting in the turbidity of the supernatant
In addition, for a suspension with a small specific gravity, the contact time between the flocculant and the sewage is not enough, and the settling time is not enough, resulting in unclear supernatant, poor solid-liquid separation effect, difficult solid-liquid separation, and easy to produce a large amount of unqualified liquid , increasing the cost of the next process and a large amount of manpower and material resources

Method used

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] It should be noted that the words "upper" and "lower" used in the following description refer to the attached figure 1 In the directions, the words "bottom" and "top", "inner" and "outer" refer to directions towards or away from the geometric center of a particular part, respectively.

[0017] like Figure 1-2 As shown, the present invention includes a pool body 7 and a working bridge 2 fixed above the pool body 7, the bottom surface of the working bridge 2 is fixedly provided with a steady flow tube 4, and the upper part of the steady flow tube 4 is provided with a water inlet 2,

[0018] The center of the working bridge 2 is provided with a mud scraping shaft 3 passing through the steady flow cylinder 4 and extending to the bottom of the pool body 7 (a driving device 1 for the mud scraping shaft 3 is provided above the working bridge 2), and the mud scrapin...

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Abstract

A mud scraper relates to the field of sewage treatment, in particular to an improvement of a mud scraper for sewage treatment. According to the mud scraper, inflow water stirring is reduced, and the contact time of sewage and a flocculating agent is prolonged, so that the effluent efficiency is guaranteed. The mud scraper comprises a tank body and a working bridge fixed above the tank body. A flowstabilizing cylinder is fixedly arranged on the bottom surface of the working bridge; a water inlet is formed in the upper portion of the flow stabilizing cylinder; a plurality of stabilizing plateslocated below an outlet of a water inlet channel are arranged on the inner wall of the upper portion; one end of each stabilizing plate is evenly fixed to the inner wall of the upper portion, and theother end of the stabilizing plate is fixed to the outer wall of a connecting ring; the connecting ring is arranged on a mud scraping shaft in a sleeving mode; and the stabilizing plates are arrangedobliquely to the horizontal plane. The flocculation effect is improved, and the effluent efficiency is finally ensured.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an improvement of a mud scraper for sewage treatment. Background technique [0002] There is a kind of mud scraper in the prior art (such as the application number 201520214121.6 published by the State Intellectual Property Office on August 12, 2015, and the patent named mud scraper), including a working bridge, which is equipped with a driving mechanism For the driven mud scraping shaft, there is a guide tube under the working bridge, and the upper part of the guide tube is connected with a water inlet pipe; the scraper shaft is equipped with a scraper arm and a scraper arm support, and a scraper is provided on the scraper arm. The scraper arm support is connected by the scraper arm support steel bar, and a tensioning device is provided on the scraper arm support steel bar; the bottom end of the mud scraper shaft is installed with an underwater bearing seat through an underwater ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/01B01D21/02B01D21/24
CPCB01D21/01B01D21/02B01D21/245
Inventor 仇国锋刘玲莉严善友严金刚
Owner YANGZHOU XINYA ENVIRONMENTAL ENG
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