Novel water collection and backwashing sand filter

A technology of sand filter and water collection, which is applied in the direction of gravity filter, loose filter material filter, filter separation, etc. It can solve the problems of easy damage of plastic filter head, short service life, increased backwash water volume, etc., and achieve reverse Easy to wash, less floor space, saving cleaning water

Inactive Publication Date: 2013-08-14
扬州绿都环境工程设备有限公司
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the plastic filter head is easily damaged, the filter cap is easy to loose, and the service life is not long. In order to prevent the filter material from running out, it needs to be checked and replac

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Novel water collection and backwashing sand filter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] A new type of water collection and backwash sand filter, the sand filter includes a tank body 3, and the upper and lower parts of the tank body 3 are respectively provided with a water inlet 1, an exhaust port 2, a water outlet 10, and an air inlet 9. The middle part of the tank body 3 is a filter material layer 4, and the filter material layer 4 is provided with a sieve plate 6, and the sieve plate 6 is provided with a number of stainless steel filter caps 5 and homogeneous filter material. Below the plate 6 is a collecting chamber 7, in which a water collecting and air distribution pipe 8 is arranged, and the water collecting and air distribution pipe 8 communicates with the water outlet 10 and the air inlet 9.

[0009] filtering process

[0010] Open the water inlet 1 valve and the exhaust port 2 valve of the equipment, pour water into the tank body 3, and when the water overflows from the exhaust port 2, close the exhaust port 2 valve, open the water outlet 10 valve...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a novel water collection and backwashing sand filter. The sand filter comprises a tank body, wherein the upper part and the lower part of the tank body are respectively provided with a water inlet, a vent port, a water outlet and an air inlet, the middle part inside the tank body is a filter material layer, a screen plate is arranged inside the filter material layer, the screen plate is provided with a plurality of filter caps and a homogenizing filter material, a collection chamber is arranged below the screen plate, a water collection air distribution pipe is arranged inside the collection chamber, and the water collection air distribution pipe is communicated with the water outlet and the air inlet. The novel water collection and backwashing filter can thoroughly filter the sand and effectively intercept the fine organic particles, and the filtering efficiency is high; thoroughness in backwashing can be realized, the washing water can be saved, and the processing capacity can be increased; and the flow area of the filter cap is large, and the filter cap is anti-aging, has good pressure resistance and long service life, is hardly damaged, is safe and reliable and has low comprehensive cost; and the floor occupied area is small, rapidness in installation can be achieved, the investment can be saved, and convenience for operation and maintenance can be realized; and the tank bodies are connected in parallel for use, so that convenience for backwashing can be achieved.

Description

technical field [0001] The invention relates to a sewage filtering device, in particular to a novel water collecting and backwashing sand filter. Background technique [0002] Sand filters are widely used in various industries as a common filtering equipment. In order to prevent the filter material from entering the water distribution system and evenly distribute water during flushing, the traditional sand filter has a cushion (supporting layer) between the filter layer and the water distribution system. The cushion layer is generally made of natural pebbles or crushed stones, and the weight of the equipment is relatively heavy. In addition, in the process of backwashing, the traditional sand filter often suffers from chaotic layers due to the support layer, resulting in the loss of small-sized filter materials and the deterioration of effluent water quality. In order to overcome the shortcomings of the traditional sand filter, the third-generation sand filter adopts homog...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B01D24/14B01D24/46
Inventor 张有庆任连锁
Owner 扬州绿都环境工程设备有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap