Industrial Multiple Units Sand Filter Machine for Water Treatment

Product Description

Industrial Multiple Units Sand Filter Machine For Water Treatment
Sand filter machine for chilled water as a by-pass filtering equipment of closed industrial circulating water is used to filter the circulating chilled water and its control modes consist of manual backwash and automatic backwash. The system is generally backwashed once every three to seven days in the circulating process, effectively improving the quality of chilled water and ensuring excellent and stable water quality after intervention to long-term running. The device has small water consumption and is widely used in the cleaning of all types of industrial and commercial chilled water circulation system as well as refrigerant water and heat medium water systems of central air conditioning, improving the stability of equipment operation. Users may weld and conned in parallel the by-pass filters in main return pipes depending on the conditions of circulation system and the pipe diameter should be determined based on the retaining water yield of parallel circulating water. The sewage water is then discharged into the sewerage network.
Sand filter machine Filtration Process: Vessels with sand or other loose filtration media are used in AES industrial filtration applications. These filters are cleaned by backwashing the media. During a backwash cycle, the filter bed is lifted and fluidized to remove accumulated particles. After the backwash cycle, the filter bed is allowed to settle. While it settles, the filter bed media will classify with the heaviest media particles settling first, and the lightest particles settling on the top. A single media (sand) filter bed will classify differently than a multi-media filter. Since all sand particles in a single media bed have approximately the same density, the largest particles are heaviest, and the smallest are lightest. Larger/heavier particles settle at the bottom, while the smallest/lightest particles settle on top. While this does not provide very efficient filtration capacity, since filtration occurs mostly at the upper surface of the filter bed where the spaces between media particles are smallest. However, due to the formed filtration cake on the top of the filter, smaller and smaller particles can be prevented from passing through, which results in a better outlet quality. Dual media beds use two or more filtration media. The media have selected densities to ensure that the bed settles in a more efficient manner. Anthracite, the largest particle, is the lightest (least dense) and settles on top. It provides large pore spaces that trap larger particles while allowing smaller particles to travel through to the layers below. Sand is intermediate in size and density. It settles as the middle layer. The sand layer filters out particles of intermediate size while allowing smaller particles to flow through to the gravel layer. Gravel, the heaviest (most dense), settles out as the bottom layer in a filter vessel. A dual-media filter needs fewer backwashing for a given volume of water filtered. The filtering capacity is significantly increased for the same volume of media as compared to a single media bed. The whole bed filters, not just the surface.
Working Shop:
Delivery site:
The size of each filter, the number of filters required, and the type of filter media used depend upon: 1. What is the capacity(gpm or m3/h)do you require?
2. What is the raw water?
3. What is the power supply in your country?
---Is it 220-240V,50/60Hz,1 phase or other standard?
4. What will the be treated warter used for? Product Parameters

model	Filter diameter	Height	inlet-outlet	Filtration area	capacity
	mm	mm	mm	m²	m³/hour
YL-SF-500	500	816	40	0.2	6~10
YL-SF-600	600	874	40	0.28	8~14
YL-SF-700	700	900	40	0.38	12~19
YL-SF-800	800	960	DN50	0.50	15-25
YL-SF-1000	1000	1200	DN50	0.79	23-39
YL-SF-1200	1200	1400	DN80	1.13	33-55
YL-SF-1400	1400	1600	DN100	1.54	45-75
YL-SF-1600	1600	1800	DN100	2.01	60-100
YL-SF-1800	1800	1950	DN150	2.54	75-125
YL-SF-2000	2000	2150	DN150	3.14	95-155
YL-SF-2200	2200	2250	DN150	3.80	115-190
YL-SF-2400	2400	2100	DN150	4.52	130-210
YL-SF-2600	2600	2400	DN150	5.30	145-225
YL-SF-2800	2800	2500	DN200	6.15	155-240
YL-SF-3000	3000	2600	DN200	7.00	170-255
YL-SF-3200	3200	2800	DN250	8.15	270-320

Certifications After Sales Service
We provide 24 hours online customer service.
Any inquiry about water treatment system, please feel free to contact me for further details!
Contact information:
website: http://yldwater.en.made-in-china.com
Official website: yldwater.en.made-in-china.com
Guarantee period:1 year

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