Medium filter for reclaimed water treatment

A media filter and reclaimed water technology, applied in loose filter material filters, gravity filters, multi-stage water treatment, etc., can solve the problems of increasing labor intensity of operation, increasing operating costs, and large area of ​​filtered sewage. , to achieve the effect of ensuring interception capacity, improving water quality, and simple and convenient operation

Inactive Publication Date: 2021-08-06
贵州筑信水务环境产业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned technology has the following disadvantages: the device occupies a large area for filtering sewage, and after the equipment is blocked by small particle

Method used

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  • Medium filter for reclaimed water treatment
  • Medium filter for reclaimed water treatment
  • Medium filter for reclaimed water treatment

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0030] Example 1

[0031] The present invention provides a medium filter for regenerative water treatment, such as Figure 1-3 As shown, the filtration tube 2 and the drain pipe 3 communicating with the filter can 1 and the filtration medium 4 are laid in the filter can 1. The filter can 1 consisting of a closed container by an intermediate cylinder and a hinder of the upper and lower ends, and the upper and lower heads are preferably a hemispherical structure, and an leg is attached to the outside of the lower head for supporting the filtration can 1, additionally, filtration The tank 1 is connected to the outside connection and the outer connecting pipe is used in flange, and the filter can body 1 adopts the structure stability of the pipe which is connected to its connection, and the filtration can 1 is also provided with a human hole for entering the test. Preferably, the material of the filter can 1 employs Q235-A carbon steel, and the inner liner of the filtration tank 1 is u...

Example Embodiment

[0037] Example 2

[0038] In this first embodiment, on the basis of the first embodiment, the corresponding interface of the filter medium is provided on the in-water pipe, and the shearing force of the air is used, the shear force of the water flow, the collision of filter particles Friction and air is wi-filled with air filter materials, and the contaminants in the filter are detached and discharged with anti-washed water. It is simple and convenient to ensure the cleaning of the filter layer, and increase the water of the filtrate after filtration. specifically:

[0039] like Figure 1-3 As shown, the inlet pipe 2 is provided with a backwashout port 23, and a backhable water port 33 and a positive washing section 34 are provided on the drain pipe 3. Further, there is an intake pipe 7 and an exhaust pipe 8, and an intake port is opened, and the intake pipe 7 is in communication with the air opening, and the intake port is disposed outside the gravel pad layer 43. One end of the e...

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Abstract

The invention relates to a medium filter for reclaimed water treatment in the field of urban sewage recycling. The medium filter comprises a filtering tank, a water inlet pipe, a water outlet pipe and a filtering medium, the filtering tank is provided with a pore plate upwards from the bottom by a certain distance, one end of the water inlet pipe extends into the filtering tank from the top of the filtering tank, and one end of the water outlet pipe is communicated with a drainage port formed in the bottom of the filtering tank and located below the pore plate; the water inlet pipe is provided with a filter water inlet; the water outlet pipe is provided with a filter water outlet; the filtering medium comprises an anthracite filtering layer, a quartz sand filtering layer and a gravel cushion layer, and the anthracite filtering layer, the quartz sand filtering layer and the gravel cushion layer are sequentially laid on the pore plate from top to bottom. Through the structural design of the tank body and the filtering layer, impurities such as colloids, BOD5 and COD in reclaimed water can be effectively removed, so that the water quality reaches the standards that suspended solids are less than 2mg/L, the turbidity is less than 2NTU and the reverse osmosis SDI is less than 4, and the requirements of water reclaiming devices such as back-end ultrafiltration, reverse osmosis and ion exchangers on the water quality of inlet water are met.

Description

technical field [0001] The invention relates to the technical field of urban sewage recycling, in particular to a medium filter for reclaimed water treatment. Background technique [0002] With the continuous development of social economy and the increase of population, while creating benefits, it also creates various pollutions. The shortage of water resources has become a limiting factor restricting the further development of our country. In order to achieve sustainable development, it is necessary to reuse urban sewage. is the key to achieving this goal. Sewage regeneration treatment refers to the process of discharging sewage into a certain water body or reusing it, and purifying it. Sewage regeneration treatment and reuse has been widely used in municipal, energy, petrochemical, construction, agriculture, urban landscape and other fields. Most of the domestic urban sewage treatment plant effluent implements the first-level A standard of the "Urban Sewage Treatment Plan...

Claims

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Application Information

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IPC IPC(8): B01D24/00B01D24/12B01D24/40B01D24/46B01D24/48C02F1/00G01N1/10
CPCB01D24/008B01D24/12B01D24/40B01D24/4631B01D24/4884C02F1/001G01N1/10C02F2201/002C02F2201/004C02F2301/08C02F2303/16C02F2209/03C02F2209/10C02F2209/11
Inventor 张小沫侯锋王东尔龙久圣何龙单锐杨辛靖和刘脆
Owner 贵州筑信水务环境产业有限公司
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