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us7581871b2 counterflow drum mixer asphalt plant method

us7581871b2 counterflow drum mixer asphalt plant method

US7581871B2 - Counter-flow drum mixer asphalt plant method ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

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Counter-flow drum mixer asphalt plant method for two stage ...

Jun 18, 2007  Jun 18, 2007  Countercurrent asphalt drum dryer/mixer: 1990-03-20: Murray: 4892411: Asphalt mixer apparatus and method: 1990-01-09: Elliott et al. 4787938: Countercurrent drum mixer asphalt plant: 1988-11-29: Hawkins: 4540287: Asphalt recycling: 1985-09-10: Servas et al. 4427376: Apparatus for heating aggregate, recycled asphalt and the like: 1984-01-24 ...

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11.1 Hot Mix Asphalt Plants - US EPA

asphalt plants in the United States. Of these 3,600 plants, approximately 2,300 are batch plants, 1,000 are parallel flow drum mix plants, and 300 are counterflow drum mix plants. The total 1996 HMA production from batch and drum mix plants is estimated at

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Double Drum Counter Flow Asphalt Plant - Atlas Industries

90-120 tph - counter flow asphalt mix plant. Counter flow asphalt mix plant is manufactured by Atlas Industries in the capacities 40-120 tph. The first drum is for heating and for removal of dust by venturi type wet dust collector. Mixing of bitumen and lime takes place in the second drum.

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US7357562B2 - Counter-flow drum mixer asphalt plant with ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

US7581871B2 - Counter-flow drum mixer asphalt plant method ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

US Patent for Counter-flow drum mixer asphalt plant method ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

Counter-flow drum mixer asphalt plant method for two stage ...

Jun 18, 2007  Jun 18, 2007  Countercurrent asphalt drum dryer/mixer: 1990-03-20: Murray: 4892411: Asphalt mixer apparatus and method: 1990-01-09: Elliott et al. 4787938: Countercurrent drum mixer asphalt plant: 1988-11-29: Hawkins: 4540287: Asphalt recycling: 1985-09-10: Servas et al. 4427376: Apparatus for heating aggregate, recycled asphalt and the like: 1984-01-24 ...

get price

Counter-flow drum mixer asphalt plant method for two stage ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone.Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

US20040179422A1 - Counter-flow drum mixer asphalt plant ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

11.1 Hot Mix Asphalt Plants - US EPA

asphalt plants in the United States. Of these 3,600 plants, approximately 2,300 are batch plants, 1,000 are parallel flow drum mix plants, and 300 are counterflow drum mix plants. The total 1996 HMA production from batch and drum mix plants is estimated at

get price

Counterflow asphalt drum mixer producing less hydrocarbon ...

A counterflow drum mixer producing less undesirable hydrocarbon gases and capable of more efficiently drying virgin aggregate. The drum mixer has a rotatable drum with first end receiving virgin aggregate and second end removing combined aggregate, reclaimed paving material, and mixed liquid asphalt

get price

Emission Estimation Technique Manual

Figure 2 - Basic Process Steps for Drum Mix Asphalt Plants Source: Queensland Department of Environment and Heritage, 1998. 2.3 Counter Flow Drum Mixing Process In the counter flow drum mixing process, the aggregate is proportioned through a cold feed system prior to introduction to the drying process. As opposed to the parallel flow

get price

Counter-flow drum mixer asphalt plant method for two stage ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone.

get price

drum mix asphalt plant counter flow asphalt plant

Of these 3600 plants approximately 2300 are batch plants 1000 are parallel flow drum mix plants and 300 are counterflow drum mix plants. The total 1996 HMA production from batch and drum mix plants is estimated at about 240 million tons and 260 million tons respectively.

get price

US7581871B2 - Counter-flow drum mixer asphalt plant method ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

US Patent for Counter-flow drum mixer asphalt plant method ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

Counter-flow drum mixer asphalt plant method for two stage ...

Jun 18, 2007  Jun 18, 2007  Countercurrent asphalt drum dryer/mixer: 1990-03-20: Murray: 4892411: Asphalt mixer apparatus and method: 1990-01-09: Elliott et al. 4787938: Countercurrent drum mixer asphalt plant: 1988-11-29: Hawkins: 4540287: Asphalt recycling: 1985-09-10: Servas et al. 4427376: Apparatus for heating aggregate, recycled asphalt and the like: 1984-01-24 ...

get price

Counter-flow drum mixer asphalt plant method for two stage ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone.Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

US20040179422A1 - Counter-flow drum mixer asphalt plant ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate ...

get price

11.1 Hot Mix Asphalt Plants - US EPA

asphalt plants in the United States. Of these 3,600 plants, approximately 2,300 are batch plants, 1,000 are parallel flow drum mix plants, and 300 are counterflow drum mix plants. The total 1996 HMA production from batch and drum mix plants is estimated at

get price

Counterflow asphalt drum mixer producing less hydrocarbon ...

A counterflow drum mixer producing less undesirable hydrocarbon gases and capable of more efficiently drying virgin aggregate. The drum mixer has a rotatable drum with first end receiving virgin aggregate and second end removing combined aggregate, reclaimed paving material, and mixed liquid asphalt

get price

Emission Estimation Technique Manual

Figure 2 - Basic Process Steps for Drum Mix Asphalt Plants Source: Queensland Department of Environment and Heritage, 1998. 2.3 Counter Flow Drum Mixing Process In the counter flow drum mixing process, the aggregate is proportioned through a cold feed system prior to introduction to the drying process. As opposed to the parallel flow

get price

Counter-flow drum mixer asphalt plant method for two stage ...

A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone.

get price

drum mix asphalt plant counter flow asphalt plant

Of these 3600 plants approximately 2300 are batch plants 1000 are parallel flow drum mix plants and 300 are counterflow drum mix plants. The total 1996 HMA production from batch and drum mix plants is estimated at about 240 million tons and 260 million tons respectively.

get price