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US5810471A Recycled asphalt drum dryer having a low NOx

US5810471A Recycled asphalt drum dryer having a low NOx

US5810471A - Recycled asphalt drum dryer having a low NOx ...

An apparatus for the treatment of 100% reclaimed asphaltic pavement (RAP) uses low temperatures and no direct radiation from a burner flame to the RAP. The RAP is first heated in a counter flow drum which is supplied with hot combusting gases generated by a remote low NOx burner. The temperature of the drum input gases is preferably around 1100 degrees F and the output temperature of the gases ...

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Recycled asphalt drum dryer having a low NOx burner ...

Recycled asphalt drum dryer having a low NO x burner ... The RAP is first heated in a counter flow drum which is supplied with hot combusting gases generated by a remote low NOx burner. The temperature of the drum input gases is preferably around 1100 degrees F and the output temperature of the gases may be 100 degrees F or less greater than ...

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Patents Assigned to Cyclean, Inc. - Justia Patents Search

Jan 14, 1994  Recycled asphalt drum dryer having a low NO.sub.x burner Patent number: 5810471 Abstract: An apparatus for the treatment of 100% reclaimed asphaltic pavement (RAP) uses low temperatures and no direct radiation from a burner flame to the RAP.

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US3866888A - Apparatus for making hot asphalt paving ...

Hot asphalt paving material is made in a rotary drum mixer which has a burner at the aggregate-introducing end and an interior transverse flame shield in the path of the burner to divide the rotary drum into a drying section and a mixing section. Means are provided in the mixing section for introducing asphalt cement into the dried aggregate material and for agitating the mix.

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US Patent for Recycled asphalt drum dryer having a low NO ...

An apparatus for the treatment of 100% reclaimed asphaltic pavement (RAP) uses low temperatures and no direct radiation from a burner flame to the RAP. The RAP is first heated in a counter flow drum which is supplied with hot combusting gases generated by a remote low NOx burner. The temperature of the drum input gases is preferably around 1100 degrees F and the output temperature of the gases ...

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Recycled asphalt drum dryer having a low NOx burner

Nov 12, 2020  Recycled asphalt drum dryer having a low NOx burner US5810471 An apparatus for the treatment of 100% reclaimed asphaltic pavement ( rap ) uses low temperatures and no direct radiation from a burner flame to the rap .

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recycled asphalt plant drum mechanism libya

US5810471A - Recycled asphalt drum dryer having a low NOx ... An apparatus for the treatment of 100% reclaimed asphaltic pavement (RAP) uses low temperatures and no direct radiation from a burner flame to the RAP. The RAP is first heated in a counter flow drum which is supplied with hot combusting gases generated by a remote low NOx burner.

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Process In Drum Dryer Asphalt

Us5810471a Recycled Asphalt Drum Dryer Having A Low. An apparatus for the treatment of 100 reclaimed asphaltic pavement rap uses low temperatures and no direct radiation from a burner flame to the rap. the rap is first heated in a counter flow drum which is supplied with hot combusting gases generated by a remote low nox burner. the temperature ...

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Patents in Class 366/25

Recycled asphalt drum dryer having a low NOx burner An apparatus for the treatment of 100% reclaimed asphaltic pavement (RAP) uses low temperatures and no direct radiation from a burner flame to the RAP. The RAP is first heated in a counter flow...

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US4910540A - Countercurrent asphalt drum dryer/mixer ...

A drum mixer having a internal combustion gas cylinder extending substantially the length of the drum mixer is provided. Hot combustion gases are generated by a flame within the cylinder. The combustion gases within the cylinder flow in a countercurrent direction the to the flow of material within the drum mixer. The combustion gases exit the cylinder generally at the receiving end of the drum ...

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Aggregate dryer and soil incinerator having low NOx ...

Copending and commonly owned application entitled "Aggregate Dryer For Use With Asphalt Plant Having Reduced NOx Emissions", Ser. No. 07/633,334, filed Dec. 27, 1990, discloses a rotary dryer for heating aggregate in an asphalt plant, and which includes a recirculation system for recirculating gases into the downstream end of the gas burner for ...

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Process In Drum Dryer Asphalt Rotary Dryer

Adaptable internal dryer design for use of varied aggregates and fuels optional speed control for fine tuning of heat transfer in case of varying operation modes for example a switch between low and hightemperature asphalt production. Albarrie Dryer Drum Seals Asphalt Mixers. Many asphalt producers have achieved a 5year service life from alseal ...

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AsphaltPro Magazine Use Low NOx Burners to Decrease ...

According to the permit, the dryer included a 100 mm BTU per hour low-NOx natural gas burner. The drum exhaust vented to a pulse jet baghouse with 70,000 ACFM. The permit includes a “federally enforceable emission cap that limits asphaltic concrete production to 450,000 tons during every 12

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Process control for recycled asphalt pavement drum plant ...

Sep 23, 1992  It is another object of the present invention to provide an apparatus for the production of hot mix asphalt (HMA) from recycled asphalt pavement (RAP) comprising in combination: a counter flow dryer drum having a RAP input and output; a conveyor means for moving RAP from a hopper storage means to the dryer drum; a low NO x fuel burner means ...

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recycled asphalt plant drum mechanism argentina

recycled asphalt plant drum mechanism argentina. ... Typically the plant configuration will include the hot mix asphalt plant counter-flow drum dryer a diesel generator an asphalt tank and an asphalt tank heater tanks to store the fuels HMA storage silos along with

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asphalt dryer drum argentina - singhvischools

Albarrie - Dryer Drum Seals Asphalt Mixers. Many asphalt producers have achieved a 5-year service life from AlSeal™ dryer drum seals when compared to just a year for typical rubber seals. Our seals will even last on portable plants that have been dismantled and assembled as many as five times in a season. Get Price

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Stationery Drum Dryer Hot Mix 120 T H Asphalt Plant with ...

Stationery Drum Dryer Hot Mix 120 T H Asphalt Plant with Low Emission. Simply complete the form below, click submit, you will get the price list and a HM Machinery representative will contact you within one business day. Please also feel free to contact us by email or phone. ( * Denotes a required field).

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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.

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recycled asphalt plant drum mechanism algeria

US5810471A - Recycled asphalt drum dryer having a low NOx ... An apparatus for the treatment of 100% reclaimed asphaltic pavement (RAP) uses low temperatures and no direct radiation from a burner flame to the RAP. The RAP is first heated in a counter flow drum which is supplied with hot combusting gases generated by a remote low NOx burner.

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recycled asphalt plant drum mechanism argentina

recycled asphalt plant drum mechanism argentina. ... Typically the plant configuration will include the hot mix asphalt plant counter-flow drum dryer a diesel generator an asphalt tank and an asphalt tank heater tanks to store the fuels HMA storage silos along with

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recycled asphalt plant drum mechanism russia

Asphalt Mixture Production 29 Feeding Recycled Materials into Asphalt Plants 29 Types of Asphalt Plants 30 Batch Plants 30 Drum Mix Plants 30 Moisture Content and Higher Plant Temperatures 31 Storage Times 32 Warm Mix Asphalt Used with Recycled Materials 32 Asphalt Plant Practices and Productionâ Section Summary 32 Stockpiling ...

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1) How would emissions from a state of the art facility ...

Aug 10, 2006  Low-sulfur No. 2 oil Drum Dryer/Mixer NOx Low-NOx burner* None Low-NOx burner PM-10 Baghouse# Baghouse Baghouse Fuel Low-sulfur No. 2 oil or Natural gas Recycled oil Recycled oil, Low-sulfur No. 2 oil when Air Quality Index is high Asphalt Cement Storage/Handling VOC, Odor Condensers, steel-wool filters, enclosed conveyors vented to drum dryer ...

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Hot Mix Asphalt Plants Emission Assessment Report

EMISSION FACTORS FOR CO, CO2, NOX, AND SO2 FROM DRUM MIX HOT MIX ASPHALT PLANTS3 Process Natural gas-fired dryer (SCC 3-05-002-55,-56,-57) No. 2 fuel oil-fired dryer (SCC 3-05-002-58,-59,-60) Waste oil-fired dryer (SCC3-05-002-61,-62,-63) Coal-fired dryer11 (SCC 3-05-002-98) CO" 0.13 0 13 0.13 ND EMISSION FACTOR RATING B B B NA CO2C 33d 33d 33d ...

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Process In Drum Dryer Asphalt Rotary Dryer

Adaptable internal dryer design for use of varied aggregates and fuels optional speed control for fine tuning of heat transfer in case of varying operation modes for example a switch between low and hightemperature asphalt production. Albarrie Dryer Drum Seals Asphalt Mixers. Many asphalt producers have achieved a 5year service life from alseal ...

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Angle and velocity adjustment of a hot mix asphalt drum ...

It is another object of the present invention to provide an apparatus for the production of hot mix asphalt (HMA) from recycled asphalt pavement (RAP) comprising in combination: a counter flow dryer drum having a RAP input and output; a conveyor means for moving RAP from a hopper storage means to the dryer drum; a low NO x fuel burner means ...

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AIR POLLUTION CONTROL DISTRICT

the drum dryer/mixer is operated where material is introduced into the drum dryer/mixer or processed by the drum dryer/mixer, or where fuel is combusted in the drum dryer. [District Rules 2201 and 4309] 25. The following test methods shall be used: NOx - EPA Method 7E, CO -

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M San Joaquin Valley IHrill lur HEALTHY ME' 2:1 1r MK'

• Emissions from the asphalt concrete storage silo vent and silo discharge gate will be vented to the burner of the drum dryer. In addition, the drum dryer is vented through a baghouse. B. Emission Factors The emission factor for feed transfer to drum mix and from dryer is as given below: Feed Handling Operations (AP-42 Section 11.102-28/04):

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rAi San Joaquin Valley ' JZfr

asphalt oil storage tanks with 2 1 mmbtu/hr natural gas fired heat transfer system and demister system replace dryer with a 135 mmbtu/hr dryer equipped with a genco equinox low nox burner with flue gas recirculation c-590-10-3 modification of aggregate handling operation consisting of seven cold aggregate feed bins with seven belt feeders,

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stationery drum dryer hot mix 120 t h asphalt plant with ...

US6656242B1 - Hot mix asphalt facility - Google Patents. FIG. 1 is a perspective view of a traditional hot mix asphalt batch plant; FIG. 2 is a schematic of the hot mix asphalt batch plant of FIG. 1; FIG. 3 is a schematic of a hot mix asphalt batch plant made in accordance with the present invention; FIG. 4 is a schematic of a drum dryer in which the combustion air comes from two sources; and

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Assistant District Manager Virginia Paving Company 5601 ...

NOx Emission Controls: Asphalt Plant Dryer - Emissions of nitrogen oxides (as NO 2) from the dryer for CMI model STD600 asphalt plant (Ref. # P:1) shall be limited through the use of a low NOx burner, Hauck Eco Star II model 175B. The emissions from use of natural gas as burner fuel for the drum dryer plants (Ref. # P:1 and P:2),

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AsphaltPro Magazine Store Power Savings

“We aim to be good environmental stewards across all platforms of our business, from construction to plant design to utilizing recycled materials.” The new asphalt plant features a natural gas-fired Astec Phoenix Talon ultra-low NOx burner, three RAP feeder bins, a shingle feeder bin, and grid power to minimize its environmental footprint ...

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Vulcan Builds Green Friendly Plant in Fresno For ...

Dec 02, 2013  The plant incorporates the latest in asphalt drums, low-NOx burner emissions, blue smoke control, advanced plant controls, warm mix capabilities and the abilities to use recycled asphalt

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