Negative pressure water treatment device and its filtering method and backwashing method

A water treatment device and water treatment technology, applied in the direction of separation methods, filtration separation, membrane filters, etc., can solve the problems of small regeneration, influence, and restriction of the development and recycling of filter media, and achieve good recycling effects

Active Publication Date: 2021-08-13
SHANGHAI POOL WATER TREATMENT
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Patent document CN102574031B discloses a high-speed filter device with porous media and its backwashing method. This reference document uses the filter medium to be laid on the wire mesh of the equipment in advance. This method can also play a good role in filtration. However, the setting method of the filter medium is not reasonable enough. The filter device of this structure needs to be laid manually in the device. When removing the filter medium, due to the requirements of the filter medium itself and the radius of the equipment container Large, it is difficult to remove the filter medium together by backwashing, but it needs to be cleaned manually. It is carried out in the equipment, which affects and restricts the development and recycling of filter media

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  • Negative pressure water treatment device and its filtering method and backwashing method
  • Negative pressure water treatment device and its filtering method and backwashing method
  • Negative pressure water treatment device and its filtering method and backwashing method

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Embodiment Construction

[0030] For the purposes of the following detailed description, it should be understood that the present invention can employ various alternative variations and step sequences unless explicitly specified. Further, in addition to in any operational example, or in other ways to indicate, all numbers indicating, for example, the ingredients used in the specification and claims should be understood to be modified by the term "approximate" in all cases. Therefore, unless otherwise indicated, the numerical parameters set forth in the following description and the appended claims are approximately values ​​varying in accordance with the desired performance to be obtained in accordance with the present invention. At least it is not attempting to limit the application of the equivalent principles within the scope of the claim, each numerical parameter should be interpreted by applying normal rounding techniques based on the number of valid numbers reported.

[0031] Although the numerical r...

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Abstract

The present invention relates to a negative pressure water treatment device and its filtering method and backwashing method. In order to achieve the above object, a negative pressure water treatment device is provided, including a water collector, a hair collector, an overflow tank, a water treatment tank and a water purification tank. Collector, etc., also includes - clean water collection tank and a plurality of filter plates set in the water treatment tank, in the initial stage of filtration, the pressure difference between the pressure of the water passing through the water treatment tank and the emptied clean water collection tank As well as the suction effect of the pump, the filter medium is adsorbed on the outer surface of the filter screen in the filter plate, and the filter medium is kept on the filter screen by the suction of the pump. When the filter medium needs to be replaced, the pipeline is backwashed. It can drive the desorption of the filter medium, and the filter medium can be well recovered, regenerated and reused.

Description

Technical field [0001] The present invention relates to a structure of a water treatment apparatus and a related method thereof, and more particularly to a negative pressure water treatment apparatus and a filtration method thereof and a backwashing method. Background technique [0002] The utilization of water resources can generally include a treated utilization and cyclic reuse. Water resources need to be treated with water treatment equipment before cycling. Patent Document CN102574031B discloses a high-speed filtering apparatus having a porous medium and a backwashing method thereof, which uses the filtration medium on the wire mesh of the filter medium in advance, which can also function a good filtration Role, however, the arrangement of the filter media is not reasonable enough. The filtering device of this structure is required to be laid in the artificial entry device, and when the filter medium is removed, the radius of the equipment container is overlapping due to the...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): B01D24/06B01D24/08B01D24/46
CPCB01D24/06B01D24/08B01D24/4631B01D24/4689B01D2101/02
Inventor袁树东陈海冰
OwnerSHANGHAI POOL WATER TREATMENT