US4892411A - Asphalt mixer apparatus and method - …

The present invention relates to a continuous drum dryer mixer apparatus and method for heating and drying virgin aggregates, as well as recycled asphaltic pavement materials and mixing such materials with liquid asphalt cement and other ingredients to formulate asphalt paving materials. A first cylindrical rotatable drum dryer has a first material input in one end thereof and a material ...

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US5556197A - Asphalt plant for both continuous and batch ...

Apparatus for and methods of producing a hot asphaltic material US5090813A (en) * 1990-07-23: 1992-02-25: Cedarapids, Inc. Dual drum recycle asphalt drying and mixing method and apparatus US5251976A (en) * 1992-04-06: 1993-10-12: Astec Industries, Inc.

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US4787938A - Countercurrent drum mixer asphalt plant ...

A drum mixer asphalt plant is provided with a rotatable cylinder 10 in which virgin aggregate, recycle material and liquid asphalt are mixed to produce an asphaltic composition and the hot gas stream for heating and drying the materials flow in countercurrent relation. In a first zone within the cylinder 10, aggregates are heated and dried by heat radiation and a hot gas stream generated at a ...

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BE831337A - Method and apparatus for the production of …

apparatus method asphalt mix asphalt Prior art date 1974-07-15 Application number BE158272A Other languages Dutch (nl) Inventor Robert Lamar Mendenhall Original Assignee Robert Lamar Mendenhall Priority date (The priority date is an assumption and is not a legal conclusion.

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Asphalt mixer apparatus and method - ELLIOTT; E. J.

9-1-1990· Asphalt mixer apparatus and method . United States Patent 4892411 ... The aggregate drying drum 11 may already be in operation and has its utility expanded by the addition of the mixing drum 12 which can be attached to existing drying drums.

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Dust free asphalt production method and apparatus - The ...

24-2-1976· Method and apparatus for reducing the particulate emission from apparatus producing asphalt-concrete to a level compatible with environmental pollution acceptable limits by forming the moist sticky mixture of bituminous composition and aggregate into a filter veil and directing substantially all of the dust laden heated gas stream passing through the mixing chamber through said filter veil.

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Asphalt mixer apparatus and method - ELLIOTT; E. J.

9-1-1990· Asphalt mixer apparatus and method . United States Patent 4892411 ... The aggregate drying drum 11 may already be in operation and has its utility expanded by the addition of the mixing drum 12 which can be attached to existing drying drums.

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Automatic laboratory mixer BITUMIX, Asphalt/bituminous ...

Automatic asphalt laboratory mixer BITUMIX Asphalt mixer drum with helical mixing shaft Asphalt mixer: aggregate loading operation Asphalt mixer's control panel The asphalt mixer BITUMIX features a motorized tilting system for easy unloading. The tilting angle is adjustable to 130° tio speed up the unloading operation

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Dual drum recycle asphalt drying and mixing method and ...

29-12-1992· Method and apparatus for recycling asphalt-aggregate ... known in the art relating to asphalt production as a drum drier-mixer and a drum drier, respectively. When set up for operation, ... hot gases when the gases have already transferred energy to the VAM introduced at the feed end of such prior art drier mixer apparatus.

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Bitumen and Asphalt Testing Equipment - Marshall Test ...

Manufacturer of Bitumen and Asphalt Testing Equipment - Marshall Test Stability Test Apparatus, Bitumen Cone Penetrometer, Centrifuge Binder Extractors and Asphalt Mixer Theoretical Density offered by Vertex Scientific And Lab Instruments Co, New Delhi, Delhi.

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US Patent for Method and apparatus for the batchwise ...

In such batchwise production of a paving mix of mineral particles and bituminous binder, in which a coarse-grained portion of the mineral aggregate batch is first introduced in measured quantity into a container and then discharged through a discharge opening in the container, controlled by a discharge door into an asphalt mixer where the coarse-grained portion of the mineral aggregate batch ...

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Bitumen Asphalt testing Lab Equipment – Sun LabTek ...

Asphalt Mixer Theoretical Density Meter: Asphalt Mixer theoretical density meter as per ASTM D 2041-03.This equipment is used for determination of theoretical density of asphalt mixer by vacuum method for application such as asphalt mixer design, road condition investigation ,calculation of porosity and compactness in road construction quality management.

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Counterflow drum mixer for making asphaltic concrete and ...

23-7-1996· An inclined counterflow rotating drum mixer has a burner head intermediate an aggregate inlet at one end of the drum and an asphaltic concrete discharge at …

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Marshall Mix Design - Pavement Interactive

The Marshall mix design method can use any suitable method for estimating optimum asphalt content and usually relies on local procedures or experience. Sample Asphalt Binder Contents Based on the results of the optimum asphalt binder content estimate, samples are typically prepared at 0.5 percent by weight of mix increments, with at least two samples above the estimated asphalt binder content ...

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Asphalt Testing Equipment - Humboldt Mfg. Co.

Asphalt testing equipment for road construction, mix evaluations and SHRP testing Humboldt provides a complete selection of asphalt testing equipment for asphalt mix evaluations of both Marshall and SHRP/Superpave mixes in accordance with ASTM, AASHTO and other standards.

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Asphalt batch plant operation and components | Hot mix ...

The main components and operation of asphalt batch mix plant. It is to produce HMA known as Asphalt Batching Plant and hot mix plant. It blends together aggregates and bitumen to produce the hot mix paving material. The aggregates here can be a single sized material. It can be a combination of different grades / sizes of materials. Finer aggregates are also added along with mineral filler ...

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Broce Lab - University of Oklahoma

The Soil Dispersion Mixer is used for dispersing soil suspensions for hydrometer testing of subgrade soils. The mixer has a stirring apparatus with paddle and a dispersion cup. It can operate at a speed above 10,000 RPM. This device supports the ASTM D422 and AASHTO T88 test methods.

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Method and apparatus for reducing smoke emissions in …

OSTI.GOV Patent: Method and apparatus for reducing smoke emissions in an asphalt drum mixer Title: Method and apparatus for reducing smoke emissions in an asphalt drum mixer Full Record

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hot asphalt mixer for lab moldova - domek-w-szczyrku.pl

Apr 16 2010 LAB MANUAL 18550 1855 Moisture Content of Hot Mix Asphalt by Oven Method AASHTO T 329 MnDOT Modified 18551 Scope This method is used to determine the moisture content of hot mix asphalt 18552 Apparatus A Balance Conforming to the requirements of AASHTO M 231 with a readability and sensitivity of ... Automatic asphalt mixer Matest.

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GD-F02-20 Laboratory Automatic Asphalt Mixer / Bitumen ...

GD-F02-20 Laboratory Automatic Asphalt Mixer / Bitumen Mixing Machine offered by China manufacturer Chongqing Gold Mechanical&Electrical Equipment Co.,Ltd.. Buy GD-F02-20 Laboratory Automatic Asphalt Mixer / Bitumen Mixing Machine directly with low price and high quality.

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Apparatus and Method for an Asphalt Plant

An asphalt plant adapted to use RAP to produce asphalt. The preferred asphalt plant comprises a bin that is adapted to store the RAP, a heat source that is adapted to supply heat, a dryer that is adapted to dry the RAP, a mixer that is adapted the mix the RAP and a means for conveying the RAP from the bin to the dryer. The preferred asphalt plant uses substantially only the RAP to produce asphalt.

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METHOD OF TEST FOR PREPARATION OF HMA FOR TEST …

6. Sample Mixing Apparatus: suitable equipment for mixing the aggregate and asphalt binder. a. Suitable equipment for hand mixing consists of a sand bath on the surface of a hot plate to minimize localized overheating. b. Suitable equipment for mechanical mixing consists of any type of mechanical mixer that can be maintained at the required mixing

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US Patent for System and method for high throughput ...

System and method for high throughput preparation of rubber-modified asphalt cement Sep 24, 2009 - Wright Asphalt Products Company This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions.

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Asphalt batch plant operation and components | Hot mix ...

The main components and operation of asphalt batch mix plant. It is to produce HMA known as Asphalt Batching Plant and hot mix plant. It blends together aggregates and bitumen to produce the hot mix paving material. The aggregates here can be a single sized material. It can be a combination of different grades / sizes of materials. Finer aggregates are also added along with mineral filler ...

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Asphalt Plant Safety - Health and Safety Authority

The material is then fed into a mixer where hot bitumen is added and vigorously mixed. Other materials such as filler may be added in this process. The operation of the Mixer can be seen in this video supplied by Wirtgen Group. The Asphalt is loaded into a skip and either loaded directly into a vehicle or into a storage bin and then into a vehicle

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CoreLok® | InstroTek, Inc.

The Most Versatile Asphalt Density Measurement System ASTM Standards D6752-02, AASHTO T-331 and D6857-03 An innovative, non-nuclear method of determining SuperPave, Stone Matrix (SMA), and coarse mix asphalt air voids. CoreLok performs 5 standard lab tests: Bulk Specific Gravity Maximum Specific Gravity Aggregate Speci

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