Classifications

• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
  • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
  • E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
  • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
  • E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
  • E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
  • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
  • E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
  • E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
  • E01C19/1068—Supplying or proportioning the ingredients
  • E01C19/1072—Supplying or proportioning the ingredients the solid ingredients
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
  • E01C19/45—Portable apparatus for preparing, or for preparing and applying to the road, compound liquid binders, e.g. emulsified bitumen, fluxed asphalt
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
  • Y02A30/00—Adapting or protecting infrastructure or their operation
  • Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/6416—With heating or cooling of the system

Definitions

• the present invention relates to an installation or plant for the realization of temperate asphalt mixtures, as well as to a method for the operation of such an installation or plant.
• An asphalt mixture in general is a combination of asphalt and stone mineral aggregates in exact proportions. The relative proportions of these minerals determine the physical properties of the asphalt mixture in question and, eventually, its performance as a finished mixture for a given use.
• the asphalt mixture must be durable, that is, it must be resistant to actions such as the removal of the asphalt film from the aggregate due to water, traffic abrasion, etc. It must also be resistant to traffic solicitations through its stability.
• an asphalt mixture must be impermeable so that its components are not under the direct action of atmospheric agents, while it must be possible to work to allow easy placement and compaction on the ground. Each of these are desirable properties of asphalt mixtures.
• the aforementioned asphalt mixtures can be made in plants, using the appropriate equipment to perform this work. According to the properties of these asphalt mixtures, as well as according to their layer thicknesses, they are considered to provide structural capacity to the pavement on which they are arranged.
• the production and application of hot asphalt mixtures requires that materials be heated between 135 ° C and 180 ° C. This temperature is dictated in part by the viscosity of the asphalt binder and is necessary to ensure a homogeneous and complete coating of aggregates by asphalt.
• the present invention is aimed at solving the aforementioned drawbacks.
• the present invention refers to a plant for the realization of temperate asphalt mixtures, in a controlled manner, such that the main advantages of the plant of the invention with respect to known plants are the following:
• the plant of the invention is mobile, and does not require any civil works for its installation;
• the plant of the invention is highly versatile, and several different products can be obtained therewith;
• the plant of the invention is fully automated, allowing exact control of it and its processes;
• the plant of the invention achieves tempered asphalts at temperatures below 100 ° C by mixing special emulsions, and not bitumen.
• the plant for making temperate asphalt mixtures according to the invention comprises:
• a first mobile platform comprising, in turn: at least one hopper for feeding the aggregates of the temperate asphalt mixture, a feeder with automated bypass for said at least one hopper, which controls the material output ratio of the same, two conveyor belts for the output aggregates of the at least one hopper, a device for positioning said output material of the previous conveyor belt on a second mobile platform or on the fourth platform directly, without passing through the second and not to heat the fraction of aggregates that we want, and two generators;
• a second mobile platform comprising, in turn: a shuttle conveyor belt that carries the output material of the first mobile platform towards the drying drum, and from it to a fourth mobile platform, an electrical control cabinet, a drying drum connected to a burner where heating is performed of the aggregates and a smoke outlet coming from the dryer drum and directed towards the third mobile platform;
• a third mobile platform comprising, in turn: a filter connected to the smoke outlet from the second mobile platform, a smoke outlet connected to the previous filter and an electrical cabinet where control of this third mobile platform is carried out;
• a fourth mobile platform comprising, in turn: a lifting belt for transporting the material from the exit of the second mobile platform or, failing that, directly from the first mobile platform, to a mixer, a compressor to drive the opening of the mixer, a water tank, at least one cement dispenser and at least one filler or filler dispenser, a mixer, where the mixing of the previous components is carried out (depending on the desired final product, different products can be mixed , such as: water, cement, filler and emulsion) and a control booth to control this fourth mobile platform;
• the invention relates to a method for the operation of such a plant, this method comprising the following steps: a) aggregates of the asphalt mixture are stored in the hoppers of the first mobile platform, with a granulometric curve specific; b) the aforementioned aggregates are provided in a percentage determined previously according to the asphalt mixture that is desired to be achieved, said percentage being controlled by the feeders with bypass of the hoppers of the first mobile platform;
• the aggregates that pass to the second mobile platform are heated in the dryer drum of the same, and extracting in the third mobile platform, the filler thereof in the filter of said third mobile platform, subsequently passing to the fourth mobile plant platform;
• FIGURES Figure 1 shows in schematic the components and the installation of a plant for the realization of temperate asphalt mixtures according to the present invention.
• Figure 2 shows in plan a diagram of the components and the installation of a plant for the realization of temperate asphalt mixtures according to the present invention.
• Figure 3 shows in diagram a front view of the first mobile platform of a plant for the realization of temperate asphalt mixtures according to the present invention, in which its components can be observed.
• Figure 4 shows in diagram a front view of the fourth mobile platform of a plant for the realization of temperate asphalt mixtures according to the present invention, in which its components can be observed.
• Figure 5 shows in diagram a front view of the second mobile platform of a plant for the realization of temperate asphalt mixtures according to the present invention, in which its components can be observed.
• Figure 6 shows in diagram a front view of the third mobile platform of a plant for the realization of temperate asphalt mixtures according to the present invention, in which its components can be observed.
• Figure 7 schematically shows a front view of a silo used in the storage and distribution of cement or filler of a plant for the realization of temperate asphalt mixtures according to the present invention.
• the present invention develops, in a first aspect, a plant 1 for the realization of temperate asphalt mixtures, in a controlled manner, comprising:
• a first mobile platform 10 which in turn comprises: at least one hopper 1 1 for feeding the aggregates of the temperate asphalt mixture, a feeder with automated bypass 12 for said at least one hopper 1 1, which controls the material output ratio thereof, two conveyor belts 13 for the aggregates of the output of the at least one hopper 1 1, a device 14 for positioning said output material of the transport belts 13 above on a second mobile platform 30, an electrical cabinet 15 and two generator sets;
• a second mobile platform 30 which in turn comprises: a temperature exchanger 31 that carries the consumption material of a fuel tank 70 towards a burner 35, a shuttle belt 32 that carries part of the output material of the first mobile platform 10 towards a dryer drum 33, an electrical cabinet 34 for control and operation, a dryer drum 33 connected to the burner 35 where the flame that will heat the aggregates is made, and a smoke outlet 36 from the dryer drum 33 and directed towards the third mobile platform 40 (see Figure 6);
• a fourth mobile platform 20 comprising, in turn: a lifting belt 21 for transporting the material from the exit of the first mobile platform 10 or the second mobile platform 30, when the material comes directly from the dryer drum 33 of the second mobile platform 30, towards a mixer 22, a compressor
• a third mobile platform 40 which in turn comprises: a filter 41 connected to the smoke outlet 36 from the second mobile platform 30, a smoke outlet 42 connected to the filter 41 front and an electrical cabinet 43 where the control of this third mobile platform 40 is carried out (see Figure 6);
• the plant 1 for the realization of temperate asphalt mixtures according to the invention is a completely plant mobile and that can be assembled on four mobile platforms, 10, 20, 30 and 40.
• the plant 1 of the invention comprises at least one silo 50 for the storage and discharge of cement, this silo being preferably arranged horizontally by an extendable leg platform.
• the silo 60 for the storage and unloading of filler or filler material is also preferably arranged horizontally by means of another platform of legs extendable to the ground.
• the fuel tank 70 of the plant 1 is preferably disposed on a horizontal platform, the tank 80 being for the storage and discharge of emulsion material on another platform to the ground.
• each platform, 10, 20, 30 and 40, of the plant 1 of the invention will occupy a maximum width of 18 meters, and will have a maximum height of 4.40 meters.
• the versatility of the plant 1 of the invention makes it possible, with the same type of plant 1, to obtain different final products, apart from the temperate asphalt mixtures or tempered agglomerates, such as: soil- cement, gravel-cement, gravel-emulsion, cold agglomerate, concrete, chipboard recycling or asphalt recycling, etc.
• temperate asphalt mixtures or tempered agglomerates such as: soil- cement, gravel-cement, gravel-emulsion, cold agglomerate, concrete, chipboard recycling or asphalt recycling, etc.
• temperate asphalt mixtures The main benefits derived from the use of temperate asphalt mixtures can be summarized in the following:
• VOCs volatile organ carbon compounds
• the plant of the invention is mobile, and does not require any civil works for its installation, being assembled in one day;
• the plant of the invention is highly versatile, and several different products can be obtained therewith;
• the plant of the invention is fully automated, allowing exact control of it and its processes: exact controls of aggregates, cement, water, emulsion and filler and exact controls of temperature;
• the plant of the invention allows the mobility of automated equipment, such as conveyor belts 13, shuttle belt 32, lifting belt 21 and control booth 27;
• - Plant 1 comprises built-in generator sets (2 units). Any of the silos for cement, 50, or for filler or filler material, 60, as shown in Figure 7 (for the particular case of a cement silo 50) comprises: a filter 51, an auger for loading 52 and endless for download 53.
• the filter 41 of the third mobile platform 40 allows dust collection in the asphalt industry.
• This filter 41 allows the reduction of the powders to a level as low as possible by the current standard. Dust and gas separation occurs in filter sleeves 41.
• the filler accumulates as a coating on the outer surface of the aforementioned sleeves, the washing of which is obtained by means of a rotating mechanism that creates a reverse air flow. The washing is done section by section, sending a flow of atmospheric air through the sleeve.
• the dust that is going to cover the sleeves collapses and falls into a hopper, being sent to the floor 1 through a flapper valve.
• the mixed aggregates, coming from the pre-dosers, or hoppers 1 1 of the first mobile platform 10 are dried in a drying drum 33 of the second mobile platform 30 and heated to the temperature necessary for the next phase.
• the drum of the dryer drum 33 works according to the opposite flow method, directing the aggregates towards the flame.
• the dryer drum 33 is loaded with a feeder belt or shuttle belt 32, the cylinder of the dryer drum 33 inclined towards the discharge, and being driven by friction.
• the blades in the area where the flame is located orient the aggregates around the flame so as not to interrupt the combustion process.
• the invention relates to a method for the operation of a plant 1 as defined above, this method comprising the following steps:
• the hopper feeder bypasses control which of the two conveyor belts of the first mobile platform The aforementioned aggregates must be provided, so that these pass later, either by the second mobile platform, or by the mobile belt parallel directly to the fourth mobile platform; d)
• the aggregates that pass to the second mobile platform are heated in the dryer drum of the same, and extracting in the third mobile platform, the filler thereof in the filter of said third mobile platform, subsequently passing to the fourth mobile plant platform;

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Road Paving Machines (AREA)
• Road Paving Structures (AREA)
• Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
• Working-Up Tar And Pitch (AREA)

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Citations (4)

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• 2009
  • 2009-12-10 ES ES200931143A patent/ES2368980B1/es not_active Expired - Fee Related
• 2010
  • 2010-10-29 CN CN2010800624787A patent/CN102725451A/zh active Pending
  • 2010-10-29 ES ES10803463.8T patent/ES2662950T3/es active Active
  • 2010-10-29 PE PE2012000792A patent/PE20130319A1/es not_active Application Discontinuation
  • 2010-10-29 CA CA2783971A patent/CA2783971C/en not_active Expired - Fee Related
  • 2010-10-29 EP EP10803463.8A patent/EP2495366B1/en active Active
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