CALL US

+86 17838360708

process control for recycled asphalt pavement drum plant

process control for recycled asphalt pavement drum plant

Process control for recycled asphalt pavement drum plant ...

Sep 23, 1992  Process control for recycled asphalt pavement drum plant . United States Patent 5322367 . Abstract: A process for the production of hot mix asphalt (HMA) by the treatment of virgin material alone or adding reclaimed or recycled asphalt pavement (RAP) (up to 100% of the HMA). ... A method for controlling the production rate in a drum plant for ...

get price

US5322367A - Process control for recycled asphalt pavement ...

A process for the production of hot mix asphalt (HMA) by the treatment of virgin material alone or adding reclaimed or recycled asphalt pavement (RAP) (up to 100% of the HMA). The HMA is first heated in either a parallel or a counter flow rotating drum which is supplied with hot combustion gases generated by a remote low NO x burner. The process is controlled by a micro-processor which ...

get price

US4477250A - Asphalt recycle plant and method - Google Patents

Apparatus for control of recycled asphalt production US5322367A (en) * 1989-07-31: 1994-06-21: Cyclean, Inc. Process control for recycled asphalt pavement drum plant US5098025A (en) * 1989-11-03: 1992-03-24: Northern Globe Building Materials, Inc. Process for recycling as a whole asphalt containing waste products

get price

DUST-CONTROL TECHNOLOGY FOR ASPHALT PAVEMENT

A variety of machinery and work practices are employed in asphalt pavement recycling, including cold planers, heater planers, cold millers, and heater scarifiers [Public Works 1995]. Cold-milling, which uses a toothed, rotating drum to grind and remove the pavement to be recycled, is primarily used to remove surface deterioration on both

get price

Recyled Asphalt Pavement (RAP) Systems — ALmix - Asphalt ...

ALmix Recycled Material Bins Overview. Recycled Asphalt Pavement or RAP continues to be a driving component of today’s asphalt plant designs. Incorporating an ALmix RAP System at your plant is the solution for asphalt producers looking to utilize RAP in their mixes, with customizable options that help any producer meet a wide range of mix recycling goals.

get price

Development of a Lab Production Method with Recycled ...

Plant processing with high amounts of recycled asphalt pavement in a mix is different from processing virgin materials. In this paper lab procedures related to temperatures and moisture content are introduced which relate better to the type f production plant. Introduction of a double barrel drum mixer in the Netherlands accelerated

get price

Patents Assigned to Cyclean, Inc. - Justia Patents Search

Jan 14, 1994  Process control for recycled asphalt pavement drum plant Patent number: 5322367 Abstract: A process for the production of hot mix asphalt (HMA) by the treatment of virgin material alone or adding reclaimed or recycled asphalt pavement (RAP) (up to 100% of the HMA).

get price

Recycled Asphalt Pavement (RAP) - Parker Plant

RAP bins and RAP system on StarBatch asphalt plant, showing conveyor/elevator feeding reclaimed material directly into the mixer. Systems are available to allow introduction of the pre-processed cold RAP material directly into the asphalt plant hot elevator at a ratio of approximately 10%, or a higher percentage of approximately 25% can be achieved with a direct feed into the mixer process.

get price

Emission Estimation Technique Manual

may include reclaimed or recycled asphalt pavement) and liquid bitumen, which is heated and mixed in measured quantities to produce hot mix asphalt materials. Aggregate and recycled asphalt pavement, if used, constitute over 92 percent by weight of the total hot mix asphalt mixture. Aside from the relative amounts and types of aggregate and ...

get price

Managing Your RAP from Start to Finish For Construction Pros

Oct 07, 2019  However, recycling asphalt pavement back into hot mix asphalt requires some modifications in engineering and process control since another material is being added to the mixture.

get price

SECTION 9 ASPHALT PAVEMENT RECYCLING

Basic Asphalt ASPHALT PAVEMENT RECYCLING AEMA Emulsion Manual Rev. 1 Mar 2004 9-1 SECTION 9 ... plants are used, drum plants typically are used to produce the recycled mix. Most ... tionary plant process, the method most commonly used is cold in-place recycling (CIR). For CIR, the existi ng asphalt pavement typically is processed to a depth of

get price

Recycled Asphalt Pavement - Purdue University

RECYCLED ASPHALT PAVEMENT SAVING PAVEMENT SAVING MONEY SAVING THE ENVIRONMENT Dudley Bonte, Rieth-Riley Becky McDaniel, North Central Superpave Center Indiana LTAP Asphalt Workshop November 12, 2009 1

get price

US7758235B1 - Recycled asphalt pavement (RAP) preparation ...

Thermal processing of recycled asphalt pavement (RAP), having up to approximately 8% or more moisture content, dries and preheats the material to enhance efficient recycling in a hot mix asphalt plant. A combustor and heat exchanger reheat circulating hot oil, which with hot gas, moves through a hollow auger and around the RAP counter to the flow of RAP.

get price

Recyled Asphalt Pavement (RAP) Systems — ALmix - Asphalt ...

ALmix Recycled Material Bins Overview. Recycled Asphalt Pavement or RAP continues to be a driving component of today’s asphalt plant designs. Incorporating an ALmix RAP System at your plant is the solution for asphalt producers looking to utilize RAP in their mixes, with customizable options that help any producer meet a wide range of mix recycling goals.

get price

U. S. Environmental Protection Agency, Cincinnati ...

PROCESS Because asphalt is injected dirsctly into the dryer in the drum-mix process, it is uniquely suited for the new, fast-developing technology of recycling asphalt pavement. In fact, many drum-mix plants . ar2 . niw sold with . a "recycle kit", which allows the plant to be converted in order . to . process blends of virgin . and

get price

413FA3$. RECYCLED ASPHALT CONCRETE PAVEMENT

(3) Requirements for Drier Drum Plants. Design the cold feed system to prevent direct flame impingement on the crushed RAP material being recycled. Conform to Subsection 401.03(B)(1)(d)4 Proportioning for Drier Drum Mixing with Cold Feed Control. (4) Paver. Equip the paver with an electronic screed control device accepted by the Engineer.

get price

Recycled Asphalt Pavement (RAP) - Parker Plant

RAP bins and RAP system on StarBatch asphalt plant, showing conveyor/elevator feeding reclaimed material directly into the mixer. Systems are available to allow introduction of the pre-processed cold RAP material directly into the asphalt plant hot elevator at a ratio of approximately 10%, or a higher percentage of approximately 25% can be achieved with a direct feed into the mixer process.

get price

Recycled Asphalt Systems RAP Systems Gencor Industries ...

Equipment Description. Gencor ® Recycle systems incorporate the heaviest construction in the industry with innovative design features that accommodate any plant configuration and unlimited process versatility to feed, crush, break, and screen virtually any type of recycled asphalt pavement.. All Gencor ® Recycle feed bins are designed to eliminate material bridging, with steep-sided ¼ ...

get price

Cold in Place Recycling Process Design Overview

COLD IN PLACE RECYCLING PROCESS DESIGN OVERVIEW 2.2 Recycled Asphalt Pavement (RAP): The recycled asphalt pavement (RAP) is created by the grinding of the existing pavement. Depending on the process the RAP material may be further processed through a screening and crushing operation. Typically the maximum particle size is 37 mm.

get price

Managing Your RAP from Start to Finish For Construction Pros

Oct 07, 2019  However, recycling asphalt pavement back into hot mix asphalt requires some modifications in engineering and process control since another material is being added to the mixture.

get price

Asphalt Concrete Recycling in Canada

this asphalt recycling summary current would be appreciated.) b. Cold in-place includes pulverizing. Cold plant includes any plant processing. c. Hot in-place includes reform (heater-scarification), remix, repave and remix-repave [4]. Hot plant includes batch, drum and drum-batch [5]. RAP - reclaimed asphalt pavement. d.

get price

Astec Double Barrel® X Drum Mixer - Astec

Drum Dryer with External Mixer. The Double Barrel X system separates the drying process from the mixing process, thereby providing a very reliable tool to be used for the purpose of recycling reclaimed asphalt pavement (RAP). With a Double Barrel X system, a plant can process both warm and hot asphalt mixes with up to 50% RAP content while ...

get price

Asphalt Recycling is all about the Perfect Process Chain ...

Oct 08, 2019  Asphalt Recycling is all about the Perfect Process Chain. In order to turn aggregates and bitumen into asphalt for road construction, a thermal mixing process is needed – this is what an asphalt mixing plant is used for.. When it comes to the production of this “black gold,” an increasing number of companies around the world are discovering that reclaimed asphalt pavement, or RAP for ...

get price

Drum Mix Plants The Gencor Ultraplant Gencor ...

Equipment Description. Gencor’s Ultraplant ® concept is the most fuel efficient, environmentally clean and lowest maintenance design available to the hot mix industry. A totally integrated drum concept that allows high production continuous mix with high-volume, high moisture recycle and the optional flexibility of feeding a batch tower, all in a unitized drum design.

get price

SECTION 9 ASPHALT PAVEMENT RECYCLING

Basic Asphalt ASPHALT PAVEMENT RECYCLING AEMA Emulsion Manual Rev. 1 Mar 2004 9-1 SECTION 9 ... plants are used, drum plants typically are used to produce the recycled mix. Most ... tionary plant process, the method most commonly used is cold in-place recycling (CIR). For CIR, the existi ng asphalt pavement typically is processed to a depth of

get price

3 ASPHALT MIXTURE PLANT OPERATIONS

3 ASPHALT MIXTURE PLANT OPERATIONS Safety ... parallel-flow drum plants, counter flow drum plants, and double barrel drum plants to name a few. In general, however, the majority of plants may be ... and mixed with the binder in the drum in a continuous process. Regardless of the type of mixing plant, the basic purpose is the same. That

get price

RECLAIMED ASPHALT PAVEMENT MANAGEMENT

challenging to process into a useable recycled material. When pavement rubble is contaminated with underlying layers and soil, it is better for this material to be crushed and used as a shoulder or base material than used in an asphalt mixture. Figure 5 Pavement rubble from full-depth demolition of a roadway. Plant Waste All asphalt plant ...

get price

Recycled Asphalt Pavement - Purdue University

RECYCLED ASPHALT PAVEMENT SAVING PAVEMENT SAVING MONEY SAVING THE ENVIRONMENT Dudley Bonte, Rieth-Riley Becky McDaniel, North Central Superpave Center Indiana LTAP Asphalt Workshop November 12, 2009 1

get price

Pavement Manual: In-place Surface Recycling

Pavement Design Process ... ♦ 5.2 Drum Plants ... Virgin hot-mix can also be added to correct the recycled asphalt pavement (RAP) shortcomings as in the case of the remixing process. Coring of the existing asphaltic concrete pavement (ACP) surface is necessary to determine the material properties of the existing asphalt pavement.

get price

413FA3$. RECYCLED ASPHALT CONCRETE PAVEMENT

(3) Requirements for Drier Drum Plants. Design the cold feed system to prevent direct flame impingement on the crushed RAP material being recycled. Conform to Subsection 401.03(B)(1)(d)4 Proportioning for Drier Drum Mixing with Cold Feed Control. (4) Paver. Equip the paver with an electronic screed control device accepted by the Engineer.

get price

Cold in Place Recycling Process Design Overview

COLD IN PLACE RECYCLING PROCESS DESIGN OVERVIEW 2.2 Recycled Asphalt Pavement (RAP): The recycled asphalt pavement (RAP) is created by the grinding of the existing pavement. Depending on the process the RAP material may be further processed through a screening and crushing operation. Typically the maximum particle size is 37 mm.

get price

100% recycled hot mix asphalt: A review and analysis

of visited plant Green Asphalt BAB Belag AG Pavement Recycling Systems Alex Sin Manufacturing Evergreen Sustainable Pavements – Plant location Long Island City, New York City, USA Birmenstorf, canton Aargau, Switzerland Riverside, California, USA Not in operation Plant manufacturer located in Turkey Plant type Drum plant Batch plant Drum ...

get price

Recycling pavement with the iNOVA series

Aug 20, 2020  The CIBER iNOVA 1502 asphalt plant was used to process Reclaimed Asphalt Pavement (RAP) for a rehabilitation project on a major Brazilian road. CIBER Product Specialist Marcelo Zubaran explains the plant’s recycling capabilities. The BR101 is the longest highway in Brazil. It runs close to 4,800 kilometres connecting major cities and towns.

get price

Use of 100% Reclaimed Asphalt Pavement (RAP) Material in ...

soften age hardened recycled asphalt binders, and reports data from seven-year old 100% recycled NYCDOT plant mix material produced from reheated millings and rejuvenator. Laboratory samples were prepared with re-graded RAP millings from one specific pavement and a commercial rejuvenator.

get price

US7004675B2 - Pavement recycling machine and method of ...

A pavement recycling assembly includes a frame defining a grinding chamber and a mixing chamber. The grinding chamber carries a rotatable laterally-extending toothed grinding drum and the mixing chamber houses at least one toothed rotatable mixing wheel. A screed assembly is disposed behind the mixing chamber for extruding said mixture at a desired height so as to form a pavement.

get price

Asphalt Concrete Recycling in Canada

this asphalt recycling summary current would be appreciated.) b. Cold in-place includes pulverizing. Cold plant includes any plant processing. c. Hot in-place includes reform (heater-scarification), remix, repave and remix-repave [4]. Hot plant includes batch, drum and drum-batch [5]. RAP - reclaimed asphalt pavement. d.

get price

Asphalt Recycling is all about the Perfect Process Chain ...

Oct 08, 2019  Asphalt Recycling is all about the Perfect Process Chain. In order to turn aggregates and bitumen into asphalt for road construction, a thermal mixing process is needed – this is what an asphalt mixing plant is used for.. When it comes to the production of this “black gold,” an increasing number of companies around the world are discovering that reclaimed asphalt pavement, or RAP for ...

get price

Drum Mix Plants The Gencor Ultraplant Gencor ...

Equipment Description. Gencor’s Ultraplant ® concept is the most fuel efficient, environmentally clean and lowest maintenance design available to the hot mix industry. A totally integrated drum concept that allows high production continuous mix with high-volume, high moisture recycle and the optional flexibility of feeding a batch tower, all in a unitized drum design.

get price