Vortex-type mixing sedimentation integrated reactor

A mixed reactor and mixed sedimentation technology, which is applied in the direction of flocculation/sedimentation water/sewage treatment, neutralization water/sewage treatment, etc., can solve the problems of difficult maintenance, large power consumption, and high operating costs, and achieve short mixing time and high water output. The effect of low speed and cost saving of medicine

Inactive Publication Date: 2013-10-16
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, whether it is the coagulation sedimentation process or the mechanical stirring clarification tank process, mechanical stirring equipment is required, which has defects such as large power consumption, high operating costs, and difficult maintenance.

Method used

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  • Vortex-type mixing sedimentation integrated reactor
  • Vortex-type mixing sedimentation integrated reactor
  • Vortex-type mixing sedimentation integrated reactor

Examples

Experimental program
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Embodiment 1

[0042] Reference example figure 1 , the present embodiment provides the concrete structure of the mixing zone of a kind of vortex type mixing reactor, is made up of first cylinder 2, contraction vertebral body 3, expansion vertebral body 4, second cylinder body 5, in the first cylinder body 2 A water inlet pipe 1 is arranged on the top, a drug inlet 11 and an observation and sampling port 12 are provided on the top of the first cylinder 2 , and a water outlet 6 is provided at the bottom of the second cylinder 5 .

[0043] The vortex mixing reactor has a volume of 12.3L and is made of plexiglass. It is mainly used to treat a small amount of acid wastewater in the laboratory, and the dosed agent is magnesium hydroxide. Simulation results refer to Figure 4 , Figure 5 , Image 6 , Figure 7 , which is mainly the simulation result of the internal flow field of the vortex mixing reactor. The dimensions of each part of the vortex mixing reactor are as follows:

[0044] 1) The ...

Embodiment 2

[0059] Reference example figure 2 , this embodiment provides a specific structure of a vortex-type mixed-sedimentation integrated reactor, which is composed of the mixing zone and the settling zone 8 in Example 1. The difference is that the mixing zone of the vortex-type mixed-sedimentation integrated reactor in Example 1 The second cylinder 5 in the part is connected to the sedimentation area 8 through a deflector to form an integrated structure. There is an annular sump 9 on the sedimentation area 8, an outlet pipe 10 below the annular sump 9, and an outlet pipe 10 below the sedimentation area 8. Mud bucket 7 and mud discharge pipe 13.

[0060] In this example, the designed reaction time of the integrated vortex mixing and sedimentation reactor in Example 1 is 20 minutes, and the designed reaction time of the precipitation zone 8 is 1.8 hours.

[0061] The volume of the vortex type mixing and sedimentation integrated reactor in this embodiment is 12.3m 3 It is mainly used...

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Abstract

The invention discloses a vortex-type mixing sedimentation integrated reactor which comprises a first cylinder, a contraction cone, an expansion cone and a second cylinder, and the first cylinder, the contraction cone, the expansion cone and the second cylinder are mutually connected, or the second cylinder is connected with a precipitation zone through a guide plate. A water flow tangentially enters the first cylinder, and flows downward while rotation. In the part of the contraction cone the flow rate of the water flow becomes greater because the section becomes smaller. When the water flow enters into the expansion cone, because the section suddenly largens and because of longitudinal jet entrainment of water, a larger backflow zone appears at near-wall places of the expansion cone and the second cylinder and negative pressure is generated. In the process, drugs moves along with the water flow, and has an excellent contact effect with the water flow, so that the waste of the drugs can be reduced and the drug dosage can be reduced. The water flow passes through the part of the second cylinder, has an extremely low flow rate, and meets the requirements for getting into a sedimentation tank. Through use of integrated reactor, mechanical equipment for mixing is needless, energy consumption and maintenance difficulties are reduced, and the operation cost and repair cost are saved.

Description

technical field [0001] The invention relates to a reactor for water treatment, in particular to a vortex-type mixed-sedimentation integrated reactor for treating waste water with medicine. Not only can the mixing effect and precipitation effect of medicine and water be more effectively enhanced, but also no electric equipment is used, which reduces energy consumption. Background technique [0002] In the process of water purification, there are many processes to chemically react chemicals with impurities or pollutants in water by adding drugs, involving sewage treatment and regeneration, industrial wastewater treatment and reuse, circulating cooling water treatment, drinking water treatment, special industries Water and wastewater treatment, chemical industry, etc. The removal efficiency of these water treatment processes often depends on the mixing and separation effects of chemicals and target pollutants or impurities, and the clarifier process and coagulation sedimentati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F1/66
Inventor 任勇翔林雪
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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