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Wastewater treatment and reuse device and process for treating wastewater

A waste water treatment, waste water technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, dispersed particle separation, etc., can solve the problems of high operating cost, large investment cost, and the introduction of other impurity ions, etc., to achieve The effect of low running cost

Active Publication Date: 2016-05-18
陕西金禹科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing reclaimed water reuse treatment method has problems such as small processing capacity, large investment cost, high operating cost, introduction of other impurity ions in the water body, etc., and a waste water treatment and reuse device is provided, which treats Large amount, high degree of automation, obvious hardness removal effect, low operating cost

Method used

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  • Wastewater treatment and reuse device and process for treating wastewater
  • Wastewater treatment and reuse device and process for treating wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The wastewater treatment and reuse device of the present invention is as attached figure 1 As shown, it includes a dewatering bin 1 for holding waste water, a regulating pool 2 connected to the water outlet of the dewatering bin 1, a primary filter 4, and a slag pool 5 connected to the bottom of the primary filter 4, which is used to dewater the The waste water in the conditioning tank 2 is pumped to the primary filter feed pump 3 in the primary filter 4 and the slurry transport pump 6 that transports the slurry in the slag tank 5 to the dewatering bin 1. The slurry transport pump 6 and the dewatering bin 1 connect. The adjustment tank is a pH adjustment tank, and the pH value is adjusted by adding lime slurry. The primary filter 4 is an automatic backwashing surface filter.

[0035] This embodiment mainly removes the suspended solids in the ash flushing wastewater. The technological process is as follows: the ash flushing wastewater first enters the dehydration bin f...

Embodiment 2

[0040] The wastewater treatment and reuse device of the present invention is as attached figure 2 As shown, it includes a dehydration bin 1 for holding waste water, a regulating tank 2 connected to the water outlet of the dehydration bin 1, a primary filter 4, a secondary filter 11, and a connection between the primary filter 4 and the secondary filter 11. The slag pool 5 connected at the bottom, the primary filter feed pump 3 for pumping the waste water in the conditioning pool 2 into the primary filter 4, and the slurry transfer pump 6 for transporting the slurry in the slag pool 5 to the dewatering bin 1 , the slurry pump 6 is connected to the dewatering bin 1 . The adjustment tank 2 is a pH adjustment tank, and the primary filter 4 is an automatic backwashing surface filter.

[0041]It also includes a buffer pool 7, a gas-liquid mixer 15 connected to the clear liquid port of the primary filter 4, a raw water delivery pump 8 that sends the liquid in the buffer pool 7 to t...

Embodiment 3

[0046] This embodiment is an extended application of Embodiment 2. The treatment device is the same as that of Embodiment 2. It is mainly based on the fact that the water quality of chemical water treatment wastewater produced by thermal power plants is basically the same as that of ash flushing wastewater, and its water volume is not very large. It can be used as a supplement to the lost water during ash flushing.

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Abstract

The invention relates to the field of reclaimed water recycling and particularly relates to a wastewater treatment and recycling device and a wastewater treatment technology. The device includes a dewatering tank used for accommodating wastewater, an regulating tank connected to a water outlet of the dewatering tank, a primary filter, a residue tank connected to the bottom of the first filter, a primary filtering liquid-inlet pump used for pumping the wastewater in the regulating tank into the primary filter, and a residue slurry transporting pump used for transporting residue slurry in the residue tank to the dewatering tank. The residue slurry transporting pump is connected to the dewatering tank. The device is large in wastewater treatment amount, is high in automatic degree, is obvious in treatment effect and is low in operation cost.

Description

technical field [0001] The invention relates to the field of reclaimed water reuse, in particular to a wastewater treatment and reuse device and a process for treating wastewater. Background technique [0002] At present, there is a serious shortage of water resources. Thermal power companies, which are major consumers of water and drainage, are more and more strictly controlled by the environmental protection department in terms of the utilization of water resources. How to implement wastewater treatment and resource utilization has become an urgent task for thermal power companies. . The waste water generated by thermal power enterprises mainly includes: (1) condenser cooling water, which accounts for about 25%-45% of the total waste water, and the water quality has little change, mainly due to thermal pollution; The main pollution factors are suspended solids, pH value, heavy metal content, etc.; (3) Chemical water treatment wastewater, accounting for about 4%-6% of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04B01D53/78B01D53/62
Inventor 王延军
Owner 陕西金禹科技发展有限公司
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