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us6749330b2 cement mixing system for google patents

us6749330b2 cement mixing system for google patents

US6749330B2 - Cement mixing system for ... - Google Patents

A powder mixing system and mixer for mixing cement used in cementing oil wells or other similar dry powder mixtures. The mixer is provided with a central recirculation jet and with annularly located alternating recirculation and mix water jets that discharge into the mixing chamber of the mixer in an overlapping fashion to effectively wet dry cement introduced into the mixing chamber.

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US20030081493A1 - Cement mixing system ... - Google Patents

A powder mixing system and mixer for mixing cement used in cementing oil wells or other similar dry powder mixtures. The mixer is provided with a central recirculation jet and with annularly located alternating recirculation and mix water jets that discharge into the mixing chamber of the mixer in an overlapping fashion to effectively wet dry cement introduced into the mixing chamber.

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US6786629B2 - Automated cement mixing system - Google Patents

A method for continuously mixing a borehole fluid such as cement includes using a measurement of the solid fraction of a cement slurry as it is being mixed to determine the ratio of the solid and liquid components to be added to the slurry. A system for mixing the slurry includes a liquid material (water) supply including a flow meter; a solid material (cement) supply; a mixer which receives ...

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US7393342B2 - Bone cement mixing and ... - Google Patents

A bone cement mixing and delivery system is provided. The system includes a mixing cartridge for receiving liquid and powder components of bone cement, a mixing device for mixing the components, and a delivery gun for discharging the bone cement from the mixing cartridge. The mixing cartridge comprises a cylinder having proximal and distal ends with a cylinder wall extending between the ends.

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US5571281A - Automatic cement mixing and ... - Google Patents

US5571281A US08/598,908 US59890896A US5571281A US 5571281 A US5571281 A US 5571281A US 59890896 A US59890896 A US 59890896A US 5571281 A US5571281 A US 5571281A Authority US United States Prior art keywords slurry eductor mixing conduit density Prior art date 1996-02-09 Legal status (The legal status is an assumption and is not a legal conclusion.

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US5352035A - Concrete mixing system with cement/water ...

A system for mixing cementitious material, liquid and aggregate to form concrete includes a cementitious material measuring device which provides dry cementitious material to an enclosed screw conveyor assembly. The dry cementitious material is thoroughly mixed with a liquid within the screw conveyor to form a flowable slurry without producing external cement dust pollution.

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US3201093A - Mixing apparatus - Google Patents

Jul 01, 2017  US3201093A US186547A US18654762A US3201093A US 3201093 A US3201093 A US 3201093A US 186547 A US186547 A US 186547A US 18654762 A US18654762 A US 18654762A US 3201093 A US3201093 A US 3201093A Authority US United States Prior art keywords chamber bore cement vortex slurry Prior art date 1962-04-10 Legal status (The legal status is an assumption and is

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US6536937B1 - patents.google

US6536937B1 US09/503,946 US50394600A US6536937B1 US 6536937 B1 US6536937 B1 US 6536937B1 US 50394600 A US50394600 A US 50394600A US 6536937 B1 US6536937 B1 US 6536937B1 Authority US United States Prior art keywords mixing bone cement vacuum base assembly Prior art date 2000-02-14 Legal status (The legal status is an assumption and is not a legal conclusion.

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Patents for B01F 13 - Other mixers; Mixing ... - google

US5571282 Automated bone cement mixing apparatus 11/05/1996 US5571281 Automatic cement mixing and density simulator and control system and equipment for oil well cementing

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US Patent for Method and a system ... - Justia Patents Search

Aug 28, 2012  Methods of pre-mixing may include, but are not limited to, blenders, food mixers, concrete-mixers, and fluidization techniques. In one embodiment, the pre-mixing 21, 21a, 21b is carried out by a heating mixer, a cooling mixer, an internal mixer, e.g. Banbury, a continuous mixer and/or some other suitable device.

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Stiffening control of cement-based materials using ...

May 01, 2021  To inject the accelerators into fresh cement-based materials during the pumping process, an inline mixing system is necessary. In Section 3 , we summarized the existing inline mixing systems including two-fluid grouting, shotcrete (dry-mixing and wet-mixing processes), and extrusion-based 3D printing with a mixer (either a dynamic mixer or a ...

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types of cement mixers United States

Concrete Mixing Methods and Concrete Mixers - Blog - MEKA. Ready-mixed concrete: Ready-mixed concrete is typically batched and mixed off the work site and then delivered to the work site in a concrete mixing truck. RMC (Ready-mixed concrete) can be manufactured by the following methods: 1) Central-mixed concrete is a concrete mixed thoroughly ...

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Review of warm mix rubberized asphalt concrete: Towards a ...

Mar 10, 2018  The Superpave performance grade system brought new testing equipment and procedures for asphalt binder testing and specification, which were not originally developed to evaluate asphalt modified with particulate matter such as crumb rubber (Bahia et al., 1998).For example, the Dynamic Shear Rheometer (DSR) test procedure requires a maximum particulate size less than one

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