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US5997633A Composition for and method of pumping

US5997633A Composition for and method of pumping

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A composition for and a method of promoting the flow of a concrete slurry through a pump and a conduit is provided. The composition is a dry particulate mixture comprised of a water soluble, inorganic material and a solvatable, organic polymer. The composition, when mixed with a suitable quantity of water, is useful in a method of priming a pump used to pump a concrete slurry.

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Composition for and method of pumping concrete - Fritz ...

Sep 05, 1997  Composition for and method of pumping concrete . United States Patent 5997633 . Abstract: A composition for and a method of promoting the flow of a concrete slurry through a pump and a conduit is provided. The composition is a dry particulate mixture comprised of a water soluble, inorganic material and a solvatable, organic polymer.

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About this site

A composition for and a method of promoting the flow of a concrete slurry through a pump and a conduit is provided. The composition is a dry particulate mixture comprised of a water soluble, inorganic material and a solvatable, organic polymer. The composition, when mixed with a suitable quantity of water, is useful in a method of priming a pump used to pump a concrete slurry.

get price

About this site

A composition for and a method of promoting the flow of a concrete slurry through a pump and a conduit is provided. The composition is a dry particulate mixture comprised of a water soluble, inorganic material and a solvatable, organic polymer. The composition, when mixed with a suitable quantity of water, is useful in a method of priming a pump used to pump a concrete slurry.

get price

About this site

A composition for and a method of promoting the flow of a concrete slurry through a conduit is provided. The composition is preferably a liquid polymer mixture including water and polyacrylamide polymers. The composition, when mixed with a suitable quantity of water, is useful, in a method of priming a pump, and in pumping concrete slurry, and improves the flow of the slurry through a conduit.

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PUMPS AND PUMPING SYSTEM Bureau of Energy Efficiency 113 Syllabus Pumps and Pumping System:Types, Performance evaluation, Efficient system opera-tion, Flow control strategies and energy conservation opportunities 6.1 Pump Types Pumps come in a variety of sizes for a wide range of applications. They can be classified

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About this site

US3522068A US3522068DA US3522068A US 3522068 A US3522068 A US 3522068A US 3522068D A US3522068D A US 3522068DA US 3522068 A US3522068 A US 3522068A Authority US United States Prior art keywords cement water composition parts medium Prior art date 1964-04-15 Legal status (The legal status is an assumption and is not a legal conclusion.

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Fundamentals Of Pumps

Centrifugal pumps can also be constructed in a manner that results in two distinct volutes, each receiving the liquid that is discharged from a 180. o. region of the impeller at any given time. Pumps of this type are called double volute pumps (they may also be referred to a split volute pumps).

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Practical Considerations in Pump Suction Arrangements

the wrong and correct means of accomplishing this intersection. The correct method promotes streamline flow and reduces the fluid frictional contraction loss. A separate and dedicated suction line should be used in situations where multiple pumps are taking suction from a

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Classifications of Pumps - Engineering ToolBox

Pumps are in general classified as Centrifugal Pumps (or Roto-dynamic pumps) and Positive Displacement Pumps. Centrifugal Pumps (Roto-dynamic pumps) The centrifugal or roto-dynamic pump produce a head and a flow by increasing the velocity of the liquid through the machine with the help of the rotating vane impeller. Centrifugal pumps include ...

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Composition for and Method of Pumping Concrete

A composition for and a method of promoting the flow of a concrete slurry through a conduit is provided. The composition is preferably a liquid polymer mixture including water and polyacrylamide polymers. The composition, when mixed with a suitable quantity of water, is useful, in a method of priming a pump, and in pumping concrete slurry, and improves the flow of the slurry through a conduit.

get price

US Patent for Composition for and method of pumping ...

Aug 06, 2020  A composition for and a method of promoting the flow of a concrete slurry through a conduit is provided. The composition is preferably a liquid polymer mixture including water and polyacrylamide polymers. The composition, when mixed with a suitable quantity of water, is useful, in a method of priming a pump, and in pumping concrete slurry, and improves the flow of the slurry

get price

Composition for and Method of Pumping Concrete ...

The composition is preferably a liquid polymer mixture including water and polyacrylamide polymers. The composition, when mixed with a suitable quantity of water, is useful, in a method of priming a pump, and in pumping concrete slurry, and improves the flow of the slurry through a conduit.

get price

Composition for and method of pumping concrete -

A composition for and a method of promoting the flow of a concrete slurry through a pump and a conduit is provided. The composition is a dry particulate mixture comprised of a water soluble, inorganic material and a solvatable, organic polymer.

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Combining hand techniques with electric pumping increases ...

Objective: Pump-dependent mothers of preterm infants commonly experience insufficient production. We observed additional milk could be expressed following pumping using hand techniques. We explored the effect on production of hand expression of colostrum and hands-on pumping (HOP) of mature milk.

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pumping method in Chinese - pumping method meaning in ...

pumping method in Chinese : 泵唧法. click for more detailed Chinese translation, meaning, pronunciation and example sentences.

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ResearchGate Find and share research

Access 130+ million publications and connect with 20+ million researchers. Join for free and gain visibility by uploading your research.

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Meat curing methods

Pumping the meat and applying dry mix on outside is the fastest curing method. For hams and shoulders that weigh 10 – 15 lbs use 3 pumpfuls of brine (1-shank, 2-knuckle joint and 3-aitch bone). For hams and shoulders that weigh more than 15 lbs use 5 pumpfulls.

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Guidance for Industry

$ Metering and spray producing (e.g., orifice, nozzle, jet) pump mechanisms and components are used for reproducible delivery of drug formulation, and these can be constructed of many parts of ...

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Well control - PetroWiki

Feb 04, 2016  Concurrent Method. Pumping begins immediately after the kick is shut in and pressures are recorded. The mud density is increased as rapidly as possible while pumping the kick fluid out of the well. If applied properly, each method achieves constant pressure at the hole bottom and will not allow additional influx into the well.

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Test Method: Method 3 Gas Analysis for Carbon Dioxide ...

Jun 29, 1983  Install a small surge tank between the pump and rate meter to eliminate the pulsation effect of the diaphragm pump on the rotameter. 2.2.5 Rate Meter A rotameter, or equivalent rate meter, capable of measuring flow rate to within 2 percent of the selected flow rate. A flow rate range of 500 to 1000 cc/min is suggested. July 1999 CARB Method 3 ...

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Corrosion Preventing Composition Pump Additive for Cement ...

Mixing the concrete composition with a liquid additive composition comprising monoethanolamine, triethanolamine, and Monbutyl ether; c. Pumping the lubricating composition blend through the concrete pump system. 2. The method of claim 1, where the mixing occurs in the mixing barrel of

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EIIP Vol. II: Chapter 16 Methods for Estimating Air ...

(EIIP) documents, the choice of methods to be used to estimate emissions depends on how the estimates will be used and the degree of accuracy required. Methods using site-specific data are preferred over other methods. These documents are non-binding guidance and not rules. EPA, the States, and others retain the

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Groundwater Wells - USGS

Mar 02, 2019  Jet Pumps are the most commonly used pumps for shallow wells (depth of 25 feet or less). Jet pumps are mounted above ground and use suction to draw water from the well. Submersible Pumps are the most commonly used pumps for deep private wells. The pumping unit is placed inside the well casing and connected to a power source on the surface.

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EIIP Volume II: CH 4, Preferred and Alternative Methods ...

The centrifugal pump is the most widely used pump type in the chemical industry; however, other types, such as the positive displacement (reciprocating) pump, are also used. Chemicals transferred by pump can leak at the point of contact between the moving shaft and the stationary casing. Consequently, all pumps except the sealless type, such as ...

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Septic Systems and Their Maintenance NC State Extension ...

Aug 23, 2021  Septic Systems and Their Maintenance SoilFacts. Septic Systems and Their Maintenance. The septic system is an effective, long-standing method for collecting, treating, and disposing of sewage from rural and suburban homes and businesses. Septic systems are used in every county in North Carolina. Nearly 50 percent of the state’s homes have them.

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Method and composition for improving the energy efficiency ...

5. The method of claim 1, wherein said polar compound has the formula C 12 H 20 Cl 6. 6. The method of claim 1, wherein said heat pump system contains a lubricant and said polar compound is present in an amount of from 0.1 to 10 volume percent based on the volume of lubricant. 7. The additive of claim 3, wherein the carrier is white oil. 8.

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The Unique Composition and Stability of Water-Fuel Emulsion

May 08, 2019  The Unique Composition and Stability of Water-Fuel Emulsion Yu V Vorobiev1, NA ... an additional stabilizing oil components and the mechanical and chemical treatment pumping of a mixture of 3.5 min. at a flow rate of 10 cm/s in ... According to the third method, there are several ways of humidifying the air or fuel-air or preparing an air-water ...

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A Step-by-Step Approach to Pump Selection Pumps Systems

Sep 17, 2018  Thus, the details of the pump will start to emerge. 1. Before talking about a pump, consider the pipe. Velocity of liquid in pipes ranges between 3 to 10 feet per second (ft/sec). If the velocity is too slow, the dirt, sludge or other contaminants can settle. If flow is too fast, abrasive wear will reduce the life of the pipe.

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Water Testing Standards - ASTM International

Standard Guide for Identification and Quantitation of Organic Compounds in Water by Combined Gas Chromatography and Electron Impact Mass Spectrometry. D4129 - 05 (2020) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection. D4165

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TECHNIQUES FOR NATURAL GAS SAMPLING A DISCUSSION

A DISCUSSION OF FIELD METHODS FOR OBTAINING SPOT SAMPLES Randall Messman SW Regional Sales Manager PGI International 16101 Vallen Drive Houston, TX 77041 Purpose Natural gas sampling is performed for a variety of reasons. Sampling is performed to determine total gas composition, hydrocarbon dew point, specific gravity, and

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Composition for reducing in-tank fuel pump copper ...

Composition for reducing in-tank fuel pump copper commutator wear and method . United States Patent 5336277 . Abstract: The resistance of in-tank fuel pump copper commutators to become excessively worn by exposure to petroleum fuels containing at least 10 mg/liter of elemental sulfur is substantially increased by the addition of at least about ...

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Applications for Attolight's Quantitative ...

Defects locally change the crystal structure. Such change influences the wavelength and intensity of the cathodoluminescence (CL) signal. This makes CL is an appealing method for non-destructive high resolution defect detection and characterization.

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Influence of proton pump inhibitor or rebamipide use on ...

Objective: Patients with RA commonly use gastrointestinal (GI) protective drugs for treatment and prevention of drug-associated GI injuries. However, how these drugs affect the gut microbiota in RA patients remains unknown. The objective of this study was to examine the gut microbiota of RA patients according to use of GI protective drugs such as proton pump inhibitors (PPIs), histamine 2 ...

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