dorr oliver grit cyclone


30 CFR § 74.4 - Specifications of sampler unit. | CFR | US ...

The cyclone shall consist of a cyclone body with removable grit cap and a vortex finder and shall be constructed of nylon or a material equivalent in performance. The dimensions of the components, with the exception of the grit cap, shall be identical to those of a Dorr-Oliver 10 millimeter cyclone body, part No. 28541/4A or 01B11476-01 and ...

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Hydrocyclones - FL Dorr-Oliver Eimco - PDF Catalogs ...

The new gMAX® cyclone focuses on these two important cyclone factors, signifi cantly advancing cyclone performance. To achieve the two design criteria, the gMAX® incorporates performance-enhancing improvements to the inlet head, cylinder section, cones, and apex. ... All FL Dorr-Oliver Eimco catalogs and technical brochures. Decanter ...

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Eimco Water Technologies

The Dorr Co (founded in 1865) and Oliver United Filter (founded in 1915) merged to become Dorr-Oliver. Eastern Iron and Metal Corporation (founded in 1884) renamed EIMCO Process Equipment Company in the 1930s. Dorr-Oliver and Eimco were merged to form Dorr-Oliver Eimco in 2002, by Ovivo's parent GLV, Inc.

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Sensidyne Dorr-Oliver Cyclone Calibration Jar ...

Since a cyclone has only a single hose connection, this jar allows proper placement of the cyclone filter between the sampling pump and the calibrator device, as shown. The Sensidyne Dorr-Oliver Cyclone Kit meets NIOSH sampling requirements for 10mm nylon cyclones, as specified for nuisance dust (#0600) and silica dust (#7500, 7501, 7601 and 7602).

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WEMCO - Flo-systems

The Proven Grit Removal & Dewatering SYSTEM Optimize each piece of equipment – both mechanically and hydraulically – to consistently produce long-term, high performance grit removal – automatically – with unmatched reliability, and low operation and maintenance costs. The WEMCO Hydrogritter, Cyclone and Classifier Dewatering Separator system removes and dewaters grit from primary ...

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Anaerobic Sludge Digestion: MOP 16

GRIT DISCHARGE FIGURE 14.?Wet cyclone grit washer and remover. (Courtesy Dorr Oliver Inc.) Vol. 38, No. 11 ANAEROBIC SLUDGE DIGESTION 1843 tors are available. These include cen trifuges, vibrating and stationary screens, and vacuum filters. No data on their use as concentrators prior to

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Replacement Grit Pot, for GS Series Cyclones | Order High ...

Replacement Grit Pot, for GS Series Cyclones, pk/25 . Product Details. Specifications. The GS-1 Cyclone is a 10-mm Dorr-Oliver equivalent design but comprised of conductive material to eliminate the electrostatic effects associated with the nylon Dorr-Oliver. Use with the SKC DPM Cassette to screen out large particles to prevent impactor and ...

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US4726902A - Cyclone degritter for solids liquids ...

The cyclone degritter particularly suited for use for receiving, degritting and discharging a water feed flow. The cyclone degritter comprises a pressurized housing containing a cyclonic degritter cartridge with a plurality of small hydro-cyclones arranged within a shell for collecting grit and an overflow vessel for directing clarified liquid to the housing overflow connection.

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Dorr-Oliver® - FL

A brief history of Dorr-Oliver. The Dorr-Oliver brand has a history stretching back almost a hundred years to a time when Dorr and Oliver were two separate companies.. Founded in 1904, the Dorr Company's initial focus was on solving processing difficulties in gold milling, but they quickly expanded into other industries on the back of successful innovations such as the reciprocating rake ...

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Air Sampling Handbook - casellasolutions.com

Dorr Oliver Sampling Head (P101010) The Dorr Oliver Sampling Head is used in conjunction with a 37mm 3 piece open face filter cassette.This is more commonly used in the USA. The cyclone operates at 1.7l/min. Aluminium Cyclone for Respirable Dust The aluminium cyclone removes electrostatic effects and is small and lightweight.

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Dorr Oliver Cyclone (10-mm) with Clip 800665 | TSI

Product Details. 10-mm Dorr Oliver Cyclone with Clip. Let Us Help. Find a local distributor. Call Us: 800-680-1220 / +1 651-490-2860. Contact Us. -.

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CYCLONE ASSEMBLY, 10MM, DORR-OLIVER, NYLON | Zefon ...

This Dorr-Oliver unit meets NIOSH sampling requirements for 10mm nylon cyclones, as specified for nuisance dust (#0600) and silica dust (#7500, 7501, 7601 and 7602). It is designed to separate the respirable fraction of airborne dust from the nonrespirable …

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US Patent for Cyclone degritter for solids liquids ...

The cyclone degritter particularly suited for use for receiving, degritting and discharging a water feed flow. The cyclone degritter comprises a pressurized housing containing a cyclonic degritter cartridge with a plurality of small hydro-cyclones arranged within a shell for collecting grit and an overflow vessel for directing clarified liquid to the housing overflow connection.

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Grit collection. - Free Online Library

Cyclone grit separators provide a cylindrical feed chamber with tangential inlet, tapered to the grit discharge point. ... Other firms provide combinations of grit removal with other functions, such as the Dorr-Oliver grit removing clarifier and the Eimco Process Equipment. Co. device combining pre-aeration, grit removal, and clarification. ...

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GS-1 Conductive Plastic Cyclone, 10 mm | Order High ...

The GS-1 Cyclone is a 10-mm Dorr-Oliver equivalent design but comprised of conductive material to eliminate the electrostatic effects associated with the nylon Dorr-Oliver. Use with the SKC DPM Cassette to screen out large particles to prevent impactor and filter overload. The GS-1 Cyclone is safe for underground mine use.

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GS-1 Respirable Cyclone - Concept Controls

The GS-1 Cyclone is a 10-mm Dorr-Oliver equivalent design but comprised of conductive material to eliminate the electrostatic effects associated with the nylon Dorr-Oliver. Use with the SKC DPM Cassette to screen out large particles to prevent impactor and filter overload. The GS-1 Cyclone is safe for underground mine use. 2 L/min flow rate provides sharp size selection at 4 µm Meets ISO 7708 ...

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Cyclone degritter for solids liquids separation - Dorr ...

Dorr-Oliver Incorporated (Stamford, CT) Primary Class: 210/512.2. Other Classes: ... 40 at the upper end of each cyclone at sufficient pressure and velocity so that the water flows in a vortex in the cyclone with the grit being removed by centrifugal force and the cleansed overflow issuing through the vortex finders and out of the cyclone ...

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Cyclone Leak Test Procedure | Occupational Safety and ...

A comprehensive leak test of the Dorr-Oliver Cyclone assemblies can be accomplished by an inspection of the nylon parts for proper fit, applying a partial vacuum to the tubing-filter-adaptor-vortex combination and monitoring the leakage rate, and finally running the pump/cyclone assembly at 1.7 LPM and checking for a pump fault when the cyclone ...

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Dorr Oliver Cyclone Filter & Dust Sampler Size Selective ...

This Dorr-Oliver unit meets NIOSH sampling requirements for 10mm nylon cyclones, as specified for nuisance dust (#0600) and silica dust (#7500, 7501, 7601 and 7602). It is designed to separate the respirable fraction of airborne dust from the nonrespirable …

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Here Comes the Helmet-CAM

Dorr-Oliver cyclone, a 37-mm PVC filter is attached to the 10-mm cyclone via a stainless steel assembly positioned in the worker's breathing zone. A sam­ pling pump calibrated to 1. 7 lpm draws dust-laden air through the cyclone. The respirable portion of dust is …

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Dorr-Oliver - Ovivo

Dorr-Oliver. Dorr-Oliver began as two individual companies at the turn of this century. Through the years, the Dorr and Oliver companies became known throughout the world as dependable suppliers of quality products for treating solids suspended in liquids. Dorr-Oliver's strength today still is in providing answers to problems involving fluid ...

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GS-1 Respirable Dust Cyclone - SKC Ltd

The SKC single-inlet GS-1 Cyclone provides the performance of the Dorr-Oliver Cyclone, but is constructed from conductive plastic to eliminate electrostatic effects and improve collection efficiency and accuracy. Larger particles drop into the grit pot, to be discarded.

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Air sampling-2019 by ERE Inc -

Cyclone Calibration Jar For 10 mm Sensidyne "Dorr-Oliver" Nylon Cyclone & Inhalable Dust Sampler Head. GIL-200159. Replacement Cyclone Grit Pot For 10 mm Sensidyne "Dorr-Oliver" Nylon Cyclone. GIL ...

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International Journal of Mining Science and Technology

recently, Feb 2016, in the USA, the Dorr-Oliver 10 mm nylon cyclone was the widely used sampler operated at 2.0 L/min across the entire U.S. coal mining industry [17–19]. On the other hand, most of the European countries (including UK) use the HD type cyclone [15,20–26]. The …

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Air Sampling Accessories and Media | Sensidyne

Cyclone, Dorr-Oliver, 10mm, Nylon: 7013376: Cyclone Calibration Jar: 200159: Replacement Cyclone Grit Pot: 801124: Replacement Cyclone Vortex Finder Accessory: Inhalable Dust Sampler. Meets ACGIH and MDHS 14/3 requirements for inhalable particulate 50% cut point at 100 microns when used at 2 …

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DOXIE® Cyclone Impurity Eliminators

Cyclone design plays a big part in developing high separation efficiency. The shape of the cyclone, the angle of its cone, the underflow opening size – all are important. The technological experience and leadership of Dorr-Oliver engineers in hydro-cyclonic separation assures you the finest design and the highest operating efficiency.

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Rake classifier - Dorr-Oliver Incorporated

Dorr-Oliver Incorporated (Stamford, CT) Primary Class: 209/173. Other Classes: 74/50, 198/737, 198/740, 209/462, 209/492 ... The grit is thus advanced above liquid level 25 onto the "beach" slope of bottom 16 where excess liquid drains back down into the slurry at the lower end of tank 11. Under continued raking in the "beach" region ...

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Choosing the Right Sampling Cyclone for Silica Dust ...

Let's say you already have a Dorr-Oliver cyclone and you want to make sure it can provide testable samples. We know it has a flow rate of 1.7 liters/minute (lpm), this is provided by the manufacturer. Looking at the six OSHA-accepted lab testing methods (right), we know the silica detecting limit of each testing method. (This number is the amount of silica the lab can detect, so for NIOSH ...

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Respirable Crystalline Silica Sampling and Laboratory Analysis

Cyclone 10-mm nylon cyclone (Dorr Oliver) Higgins-Dewell (HD) cyclone SKC Aluminum cyclone BGI GK 2.69 cyclone Flow Rate 1.7 L/min 2.2 L/min 2.5 L/min 4.2 L/min 18 •Ensure the cassette is loaded into the cyclone properly •Do not invert sampler assembly while using the cyclone Air Inlet Grit pot Coarse Respirable RJ Lee Group

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Prélèvement des aérosols par cyclone

Parmi les cyclones présentés dans le Tableau 1, le cyclone Dorr-Oliver est le seul qui doive être assemblé avec une cassette fermée (25 ou 37 mm suivant le besoin, deux pièces ou trois pièces suivant la version – illustré en Figure 1). La liaison entre le cyclone et la cassette doit être étanche. Le cyclone Higgins-Dewell est

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