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Parabolic baffle flow anti-clogging wastewater coagulation dosing system

A dosing system, parabolic technology, applied in special compound water treatment, mixer, water/sewage treatment, etc., can solve problems such as poor water effluent effect, save operating costs, ensure smooth outflow, and prevent uneven water distribution. Effect

Active Publication Date: 2017-01-11
BEIJING SINORICHEN ENVIRONMENTAL PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the treatment efficiency of coagulation and sedimentation equipment is 20% to 40%, and it will drop below 10% after the orifice is blocked, and the water outlet effect is extremely poor.

Method used

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  • Parabolic baffle flow anti-clogging wastewater coagulation dosing system
  • Parabolic baffle flow anti-clogging wastewater coagulation dosing system
  • Parabolic baffle flow anti-clogging wastewater coagulation dosing system

Examples

Experimental program
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Effect test

Embodiment 1

[0046] This embodiment provides a parabolic zigzag type anti-clogging wastewater coagulation dosing system, which can be used in a mine water coagulation sedimentation treatment project, as follows:

[0047] The water quality of a mine water was tested using the national standard water quality analysis method: pH=8.48, COD=182.5mg / L, C(Mn)=0.099mg / L, C(Fe)=0.8mg / L, SS=85mg / L In order to achieve the purpose of reusing mine water as cooling water, according to the GB / T 19923-2005 reuse standard, COD, C(Mn), C(Fe) and SS exceed the standard. The dosing system of the present invention is adopted, the medicament is polyaluminum chloride, and the dosage is 60 mg / L. After the dosing system of the present invention, after the dosing and coagulation reaction, the mine water is precipitated in the subsequent sedimentation tank for 30 minutes, and the treatment effect of the supernatant effluent after treatment is shown in Table 1 below.

[0048] Table 1 Treatment effect of mine water

[0049...

Embodiment 2

[0052] This embodiment provides a parabolic zigzag type anti-clogging wastewater coagulation dosing system, which can be used for the coagulation and sedimentation treatment of lignite upgrading condensate, which is specifically as follows:

[0053] The water quality of a certain lignite upgrading condensate is tested using the national standard water quality analysis method: pH=7.3, COD=206.2mg / L, C(Fe)=0.27mg / L, SS=151.5mg / L; from the water quality test indicators can be It can be seen that the COD, Fe, and SS of the lignite upgrading condensate all exceed the requirements of the GB / T 19923-2005 industrial cooling water reuse standard.

[0054] Adopting the dosing system of the present invention, polyferric chloride is selected as the medicament, and the dosage is 50 mg / L. After the dosing system of the present invention, after the dosing and coagulation reaction, the mine water is precipitated in the subsequent sedimentation tank for 30 minutes, and the treatment effect of the s...

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Abstract

The invention discloses a parabolic baffle type anti-clogging waste water coagulation dosing system, comprising: a coagulation reaction tank, a parabolic annular baffle baffle, a water inlet tank, a medicine outlet tank, an aeration unit, an air compressor and a dosing system device; wherein, the connection between the upper and lower parts of the coagulation reaction tank is parabolic; the water inlet ring and the drug outlet groove are arranged around the upper end of the tank; the parabolic annular baffle is arranged in the tank of the coagulation reaction tank, and its The lower plate body is parabolic; the weir inlet of the water inlet is connected with the parabolic annular baffle; the drug outlet branch channel of the drug outlet is connected with the coagulation reaction tank outside the parabolic annular baffle; the aeration The unit is set in the tank below the parabolic annular baffle and connected to the air compressor; the dosing device is set above the coagulation reaction tank and connected to the parabolic annular baffle; the vent pipe is set in the coagulation reaction tank bottom. The system is energy-saving, evenly mixed and can avoid clogging, which can greatly improve the processing efficiency.

Description

Technical field [0001] The invention relates to the field of environmentally friendly wastewater treatment equipment, in particular to a zigzag type wastewater coagulation sedimentation device and method. Background technique [0002] Coagulation sedimentation technology has a wide range of applications in water treatment. It can not only reduce the suspended solids (SS), turbidity, chroma and other sensory water quality indicators of raw water, but also remove many toxic and harmful pollutants in the water. The coarser density in the water is greater than 1.0×10 3 kg / m 3 The suspended particles can be removed by natural settlement; and for the density less than 1.0×10 3 kg / m 3 The suspended particles cannot be removed by natural precipitation, and they are colloidal in water. Because the colloidal particles in the wastewater are suspended due to Brownian motion, in order to remove the colloidal particles, a coagulant is usually added to make them destabilize and form flocs, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52B01F13/02B01F33/40
CPCC02F1/5209C02F2305/04B01F33/40B01F2101/305
Inventor 吴盟盟庄洪雷陆晶张天高覃晓农童京华
Owner BEIJING SINORICHEN ENVIRONMENTAL PROTECTION