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rsdgj@pyzyrsd.com +86 513525609655

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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Aboveground Sand Filter System - pentair.com
Aboveground Sand Filter System - pentair.com

• Unionized pump to filter connection allows for easy installation and servicing. • Combination water and sand drain makes servicing and winterizing fast and easy. • The Dynamo® Aboveground Pump features precision- manufactured components, rugged construction and a continuous duty, smooth running motor for years of quiet, dependable service.

Filter Backwash in Wastewater Treatment | Hoffman & Lamson
Filter Backwash in Wastewater Treatment | Hoffman & Lamson

Semicontinuous and continuous are the two types of backwashing. Semicontinuous backwashing takes place by pumping clarified water below the sand filter and sucking it out from the top with a separate pump. Backwash water is discharged into the main distribution inlet header for reprocessing.

Continuous Backwash Sand Filter | WWD - wwdmag.com
Continuous Backwash Sand Filter | WWD - wwdmag.com

The SuperSand ,continuous backwash sand filter, is an up-flow moving bed ,filter, that is constructed with various media depths for different applications and configurations. Raw water enters near the bottom of the tank by way of a stainless steel water distributor. Suspended solids are filtered out as the water flows up through the media bed.

Gravity Sand Filters - Evoqua
Gravity Sand Filters - Evoqua

Gravisand® ,Sand, Filters. Available in steel or concrete tank designs or provided as a retrofit package for use in existing basins. ,Continuous, Backwash Filters. Deep bed filtration up to 120 inches.

S200 Sand Filter
S200 Sand Filter

filter tank. As the pool water is pumped through the filter sand, dirt particles are trapped by the sand bed, and filtered out. The cleaned pool water is returned from the bottom of the filter tank, through the control valve and back to the pool through the piping system. This entire sequence is continuous and automatic and provides for total

Sand Filter - an overview | ScienceDirect Topics
Sand Filter - an overview | ScienceDirect Topics

26.3.3.1 Continuous Sand Filter. Continuous sand filters (see Fig. 26.6) are gravity-driven depth filters with countercurrent flows of filter sand and dirty fluid. Dirty fluid is introduced into the bottom of the structure, and clean fluid is collected at the top. An airlift pump carries dirty sand from the bottom of the structure to a pneumatic sand washer at the top.

Seawater pretreatment by continuous sand filter for ...
Seawater pretreatment by continuous sand filter for ...

1/12/1987, · Components of the pretreatment system Conventional: Continuous ,sand filter,: - ,sand filter, proper -,sand filter, proper - backwash ,pump, -break tank - backwash tank -air compressor - air scoure blower - air acutuated valves - sequence control panel The result is summarised in Table 1.

Seawater pretreatment by continuous sand filter for ...
Seawater pretreatment by continuous sand filter for ...

1/12/1987, · Components of the pretreatment system Conventional: ,Continuous sand filter,: - ,sand filter, proper -,sand filter, proper - backwash ,pump, -break tank - backwash tank -air compressor - air scoure blower - air acutuated valves - sequence control panel The result is summarised in Table 1.

Dynamic Sand Filters | Colloide Engineering
Dynamic Sand Filters | Colloide Engineering

The dirty, sand, is continuously removed from the active, sand, bed thanks to the action of the, air-lift pump., This, pump, draws the contaminated, sand, from the bottom of the, filter, body. A mixture of, sand,, dirty particles and water is transported upward through the, air-lift, pipe into the washing chamber at the top of the, filter.

Continuous Backwash for Side Stream Filtration | WaterWorld
Continuous Backwash for Side Stream Filtration | WaterWorld

Parkson Corp.’s DynaSand continuous backwash filter is widely used for side stream filtration. It is an upflow, deep-bed, granular media filter with continuous backwash. The filter media is cleaned by simple internal washing system that doesn’t require backwash pumps and storage tanks. The absence of backwash pumps means low energy consumption.

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Road West, North Branch, Jingkai Road, Puyang City