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Chemical agent feeding device

A dosing device, U-shaped technology, used in water/sewage treatment, flocculation/sedimentation water/sewage treatment, water/sludge/sewage treatment, etc. and other problems, to achieve the effect of not easy to block the pipeline and improve the efficiency of dosing

Active Publication Date: 2015-06-24
CHONGQING MUNICIPAL DRAINAGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to problems such as crystallization and bonding of polyferric sulfate in the pipeline, it is easy to cause pipeline blockage, which seriously affects the treatment effect and efficiency of sewage.
Sewage plants have repeatedly blocked pipes or even burst pipes due to the crystallization of polyferric sulfate
The dosage of polyferric sulfate in chemical phosphorus removal directly affects the phosphorus removal effect of water treatment. Manual dosage cannot adjust the dosage of polyferric sulfate in real time according to the water quality and quantity, and cannot achieve the ideal phosphorus removal effect.
[0003] Insufficient existing technology: small dosage, low flow rate, polyferric sulfate is easy to crystallize and block the pipeline, or even burst the pipeline

Method used

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.

[0020] Such as figure 1 , 2 Shown in and 3: a kind of dosing device, is made up of inverted U-shaped siphon 1, floating ball 2 and support 3, and described inverted U-shaped siphon 1 is made of copper tube, and described support 3 comprises longitudinal bar 3a and two The transverse plate 3b, of course, the number of transverse plates can also be 1, 3, 4, 5 etc., as long as the inverted U-shaped siphon 1 can vertically slide in the chute of the transverse plate, the middle part of the transverse plate 3b is vertically arranged There is a fixing sleeve 7, the side wall of the fixing sleeve 7 is provided with fixing bolts 8, the fixing sleeve 7 is sleeved on the longitudinal bar 3a, and is fastened by the fixing bolts 8; the transverse plate 3b Both ends of the chute 3b1 are provided with chute 3b1, the chute 3b1 is symmetrically arranged, and a circle ...

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Abstract

The invention discloses a chemical agent feeding device. The chemical agent feeding device is characterized by comprising an inverse-U-shaped siphon, a floating ball and a support, wherein the support comprises a longitudinal rod and at least one transverse plate, and the middle part of each transverse plate is fixed to the longitudinal rod in a sleeve way; a chute is formed in each of the two ends of the transverse plate; two longitudinal pipes of the inverse-U-shaped siphon respectively pass through the chutes downwards; one longitudinal pipe is longer than the other one of the inverse-U-shaped siphon; the floating ball is fixed at the end part of the short longitudinal pipe of the inverse-U-shaped siphon. The chemical agent feeding device is capable of incessantly feeding a chemical agent in an aeration tank at a certain flow velocity, and can be flushed regularly, so that polymeric ferric sulfate does not crystallize easily in the pipes, no pipeline blockage is caused easily and the chemical agent feeding efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of dosing in sewage pools, and in particular relates to a dosing device. Background technique [0002] The sewage plant is equipped with a dosing room. At this stage, phosphorus removal is mainly done by diluting polyferric sulfate in the dosing room and adding it to the end of the aeration tank through a pipeline with a metering pump and an acid-resistant pump. After chemical precipitation and flocculation, phosphorus removal is achieved. the goal of. However, due to problems such as crystallization and bonding of polyferric sulfate in the pipeline, it is easy to cause pipeline blockage, which seriously affects the treatment effect and efficiency of sewage. Pipeline blockages and even pipe bursts have occurred many times in sewage plants due to the crystallization of polyferric sulfate. The dosage of polymerized ferric sulfate in chemical phosphorus removal directly affects the phosphorus removal effect o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52C02F1/58
Inventor 吴国防刘石虎张华武罗佳徐凡杨明佳
Owner CHONGQING MUNICIPAL DRAINAGE