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Water treatment device integrating functions of clarification, air flotation and ultrafiltration

A water treatment device and air flotation technology, applied in flotation water/sewage treatment, osmosis/dialysis water/sewage treatment, flocculation/sedimentation water/sewage treatment, etc., can solve the problems of long treatment process and high operating cost, and achieve Low operating cost, mitigation of membrane fouling, and wide application range

Inactive Publication Date: 2010-12-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of long treatment process and high operating cost in existing water treatment devices, the present invention further provides a water treatment device integrating clarification, air flotation and ultrafiltration

Method used

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  • Water treatment device integrating functions of clarification, air flotation and ultrafiltration
  • Water treatment device integrating functions of clarification, air flotation and ultrafiltration
  • Water treatment device integrating functions of clarification, air flotation and ultrafiltration

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specific Embodiment approach 1

[0012] Specific implementation mode one: as Figure 1~6 As shown, a water treatment device integrating clarification, air flotation and ultrafiltration described in this embodiment includes a pool body 1, an ultrafiltration membrane module 2, a rotor suction pump 3, a vacuum pump 4, and a water production valve 7 , aeration pipe 10, water production pipe 11, air inlet pipe 12, water inlet valve 13, a plurality of turbine agitators 5, a plurality of water inlet pneumatic valves 6, a plurality of water inlet pipes 8 and a plurality of vent pipes 9, the pool Two separation areas 1-2 are arranged symmetrically on both sides of the body 1. The middle part of the pool body 1 is a coagulation area 1-1, and the water inlet pipe 8 and the vent pipe 9 are respectively connected to the bottom of the coagulation area 1-1. The pool body 1 is connected, and each water inlet pipe 8 is provided with a water inlet pneumatic valve 6. The water production pipe 11 is connected with the ultrafiltr...

specific Embodiment approach 2

[0013] Specific implementation mode two: as figure 1 and Figure 4 As shown, the water treatment device in this embodiment also includes two V-shaped drainage grooves 14, the cross section of which is V-shaped, and the two V-shaped drainage grooves 14 are symmetrically arranged on both sides of the pool body 1. on the side wall, and are all arranged parallel to the length direction of the ultrafiltration membrane module 2. So set, the V-shaped drainage groove 14 can collect and discharge the waste water on the surface during backwashing. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0014] Specific implementation mode three: as figure 2 and Figure 5 As shown, the water treatment device in this embodiment further includes a maintenance liquid pipe 15 , and the maintenance liquid pipe 15 is arranged on the water production pipe 11 and located between the air inlet pipe 12 and the vacuum pump 4 . Such setting facilitates the maintenance cleaning of the membrane system. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

[0015] Specific implementation mode four: as figure 2 , image 3 and Figure 5 As shown, the number of turbine agitators 5 in this embodiment is three. With such an arrangement, coagulation and stirring can be carried out and the water flow can be pushed forward, so as to promote the water circulation in the coagulation zone and the separation zone. Other compositions and connections are the same as those in the third embodiment.

[0016] Specific implementation mode five: as figure 2 and ...

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Abstract

The invention relates to a water treatment device, in particular to a water treatment device integrating functions of clarification, air flotation and ultrafiltration, which solves the problems of long treatment scheme and high operating cost of the existing water treatment device. In the invention, ultrafiltration membrane components are symmetrically arranged in two separation areas of a cell body, aerator pipes are arranged below the ultrafiltration membrane components and at the bottom of a coagulation area, and a plurality of turbine agitators are evenly distributed in the coagulation area back and forth; and the turbine agitators are used for realizing mechanical clarification, the aerator pipes are used for carrying out aeration on the cell body, and the ultrafiltration membrane components are used for carrying out ultrafiltration. The water treatment device of the invention integrates the functions of clarification, air flotation and ultrafiltration and has short treatment scheme and low operating cost.

Description

technical field [0001] The invention relates to a water treatment device, in particular to a water treatment device integrating clarification, air flotation and ultrafiltration. Background technique [0002] At present, many domestic drinking water sources are polluted to varying degrees, resulting in some extreme water quality phenomena in drinking water source water, and the range of water quality changes within a water quality cycle is increasing day by day. For example, slow-flowing water bodies such as lakes and reservoirs in the northern region are usually affected by organic micro-pollution, causing seasonal algal blooms; however, low-temperature and low-turbidity water quality phenomena occur in winter. Raw water with different water quality needs to be treated by multiple different water treatment devices to ensure the quality of effluent water and the efficiency of process operation. However, water treatment structures are often a large amount of infrastructure in...

Claims

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Application Information

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IPC IPC(8): C02F1/24C02F1/52C02F1/44
Inventor 瞿芳术梁恒李圭白周斌珍纪洪杰田家宇周莎莎
Owner HARBIN INST OF TECH
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