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Asphalt reactor and blending system

A reactor and asphalt technology, applied in mixers, chemical instruments and methods, mixers with rotary stirring devices, etc., can solve problems such as unsuitable modified asphalt, and achieve the effect of reducing internal blockage

Inactive Publication Date: 2008-11-05
STARK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Basic vertical reactors have been used successfully to make greases, soaps, lotions and other emulsions, but such reactors are not suitable for modified bitumen without modification

Method used

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  • Asphalt reactor and blending system
  • Asphalt reactor and blending system
  • Asphalt reactor and blending system

Examples

Experimental program
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Effect test

Embodiment Construction

[0062] The main technological process will be described as an example below, figure 1 , 2 and 3 show the ECOPATH TM Devices for mixing systems. Figure 2 specifically shows a preferred embodiment of the invention connected to a single standard trailer 5 with tires 7 and a trailer riser 9 at the front, the trailer 5 can be mounted on its front The lower part (not shown) of the car is connected with a semi-trailer (not shown).

[0063] Shipping raw asphalt binder: The raw asphalt binder can be delivered to the mixing system location using a standard tank truck. The temperature of the asphalt being shipped is typically between about 250°F-300°F. Typical loading volumes for haul trucks are approximately 5,000 to 6,000 gallons. The gear-type positive displacement pump (also known as the asphalt binder pump) 10 in the mixing system can be connected to the discharge connection of the tank truck through a flexible high-temperature hose (also provided by the mixing system) to delive...

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PUM

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Abstract

A modified asphalt Contactor reactor for blending and reacting asphalt cement and modifiers is described; for example, a vertically oriented vessel having an outer shell having an internal surface and an external surface, a lower end and a flat flanged top; an internal circulation tube having a base, a top and an outside surface, wherein the outside surface of the internal circulation tube and the internal surface of the outer shell forms an annulus; a heating jacket having heating oil inlet and a heating oil outlet coupled to the external surface of the outer shell for circulation of heating oil; and a hydraulic head assembly having an impeller coupled to the lower end the vertically oriented vessel wherein the impeller is located near the base of the internal circulation tube, wherein the impeller and the annulus are of sufficient size to facilitate the flow of high viscosity fluids.

Description

technical field [0001] The present invention relates to asphalt reactors and mixing systems, and more particularly to asphalt reactors and mixing systems for mixing and reacting asphalt binders and modifiers. Modifiers (sometimes also called or thought of as fillers) can exist in many forms, including but not limited to scrap rubber, styrene-butadiene-styrene (SBS) block copolymer, styrene-butadiene rubber (SBR) Polymers, Low Density Polyethylene (LDPE), Calcium Carbonate and Ethylene Acrylate Copolymer Wait. Background technique [0002] While some asphalt rubber mixing systems have been in use for many years, existing systems utilize a separate mixer that discharges the material into a gently agitated and heated reaction tank. Basic vertical reactors have been used successfully to make greases, soaps, lotions and other emulsions, but such reactors are not suitable for modifying bitumen without modification. Contents of the invention [0003] One aspect of the inventi...

Claims

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Application Information

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IPC IPC(8): B01F7/22B01F27/91
CPCB01F2215/0063B01F7/163B01F15/065B01F2015/062B01F7/168B01F27/811B01F27/861B01F2035/99B01F35/92B01F2101/38
Inventor J·凯K·索克韦尔
Owner STARK CO LTD
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