CN203344201U - Double-screw asynchronous rubber powder continuous plasticization device - Google Patents

Abstract

The utility model belongs to the technical field of recovery processing of waste and old rubber, and relates to a double-screw asynchronous rubber powder continuous plasticization device. A screw barrel is of a folded 8-shaped dual-barrel structure formed by fitly connecting two barrels along the outer wall; a feeding hole is fixedly formed in the upper side at one end of the screw barrel; a discharging hole is fixedly formed in the lower side at the other end of the screw barrel; bearings are fixedly arranged on the outer sides of the sealed holes in the two ends of the screw barrel respectively; screw blades are fixed to a screw rod; a screw wing is wound on the outer side surface of the screw rod; the two screw blades are supported on the bearings; output power of a drive motor is butted with the corresponding screw blades respectively; a control system is used for measuring and controlling the rotary speed of the drive motor; an oil injection nozzle in an oil injection system penetrates the outer wall of the screw barrel of a first double-screw asynchronous conveying system; the first double-screw asynchronous conveying system is provided with a heating system; a final double-screw asynchronous conveying system is provided with a cooling system. The double-screw asynchronous rubber powder continuous plasticization device is simple in structure and convenient to operate, and can be used for completely achieving automatic rubber powder continuous plasticization production.

Description

A kind of double helix asynchronous rubber rubber powder continuous plastication device

Technical field:

The utility model belongs to the recovery processing technique field of waste old, relates to a kind of double helix asynchronous rubber rubber powder continuous plastication device that utilizes waste rubber powder continuous automatic production reclaimed rubber.

Background technology:

Rubber is as strategic resource, the average annual consumption of China accounts for 30% of world consumption total amount, natural rubber, the synthetic rubber 40% or more of China more than 70% needs import, and imbalance between supply and demand is very outstanding, and the rubber sources shortage manifests day by day on the impact of the national economic development.Simultaneously, a large amount of consumption of rubber have also inevitably produced a large amount of waste olds, and China in 2011 only junked tire produces weight over 9,000,000 tons.Utilize waste old to produce reclaimed rubber, part substitutes natural rubber and synthetic rubber, has both solved the particularly black pollution problem of junked tire of waste old, can alleviate again the relative shortage of China's rubber sources.The prior art scheme has two kinds: the one, and the dynamic devulcanizer production technology, the 2nd, normal pressure plasticizing method production technology, conventional dynamic method digester production technology is placed in rubber powder in pressure pan and completes under high-temperature and high-pressure conditions, every production one tank reclaimed rubber has the process of a spice, charging, intensification, cooling, discharging, energy waste is serious, reclaimed rubber power consumption per ton is more than 210 degree, because the intelligent automaticization level of equipment is low, labour intensity is large, and has the potential safety hazard of the aging blast of tank body; Also have dynamic production process can produce a large amount of waste water and gas, there are 30,000 cover dynamic method production equipments in China at operation, 1,800,000 tons of 1,800 ten thousand tons of waste gas of annual waste discharge at present.So conventional dynamic method technique for regenerated rubber is classified as superseded technique by country and industry; Firm incipient normal pressure plasticizing method production technology, although realized that reclaimed rubber continuous desulfurization produces, have a clear superiority in, and mix into tar and there is certain viscosity because of rubber powder, high temperature in addition, just there is sticky stifled problem in device therefor, and maintenance is trouble extremely.

Summary of the invention:

The purpose of this utility model is to overcome the defect that prior art exists, seek that design provides that a kind of energy-saving and environmental protection, safety, product are high, quality better, supermatic double helix asynchronous rubber rubber powder continuous plastication device, the sticky stifled problem of solution equipment, the stability of assurance equipment operation.

To achieve these goals, agent structure of the present utility model comprises the asynchronous induction system of double helix, injection system, heating system and cooling system; Wherein, the asynchronous induction system of double helix comprises barrel, helical blade, drive motors, control system, charging aperture, discharging opening, bearing, screw rod and the spiral shell wing; Cross section forms 8 font cross sections for the barrel tangent plane that two circles lack butted structure, barrel is suited and connects into involutory 8 font double-barrel structures along outer wall by the cylinder of two same structures, the upside of barrel one end fixedly is shaped with charging aperture, the downside of the barrel other end fixedly is shaped with discharging opening, and the barrel sealing two ends outside fixedly is shaped with respectively bearing for studdle; The helical blade helical structure is fixed on the screw rod of cylinder or column structure, on the lateral surface of screw rod, dish has the spirality spiral shell wing, leave gap between the spiral shell wing of same orientation, two helical blades of symmetrical structure pass respectively 8 font barrel brace type framves on the bearing at barrel two ends; The spiral shell wing on two helical blades is engaged in the gap of the spiral shell wing each other; Drive motors is two variable speed electric motors, particularlies, and the outputting power of drive motors docks with corresponding screw rod and helical blade respectively, by screw drive, two helical blades; The rotating speed of drive motors is measured and controlled to control system, makes the rotating speed asynchronous running of two drive motors, and one fast one slow and constantly conversion is being moved respectively two spiral shell wings in the interplane gap of spiral shell each other, the screw rod in the interplane gap of spiral shell each other of swiping; The top side face one end place of barrel is shaped with charging aperture, other end place on the bottom side of barrel is shaped with discharging opening, the rubber material enters barrel from charging aperture, under the effect of the spiral shell wing, the rubber material is pushed into, can be scraped and wipe by the spiral shell wing of the helical blade of another group when the rubber material is bonded on screw rod, avoid the sticky stifled of material and equipment, the physical force that the rubber material is applied stirring, extruding and shears simultaneously, the rubber material finally is pushed out from discharging opening; Be equipped with and be shaped with electrical heating or cooling system in the barrel of the asynchronous induction system of double helix and screw rod, complete heating material or cooling; Barrel and screw rod can form by the tandem docking of charging aperture and discharging opening rubber mass transport and the process equipment of large-scale power, during series connection, after the sealing of the discharging opening of last group of barrel is docked at, on the charging aperture of one group of barrel, forms and carry continuously and system of processing; While forming treatment system, barrel and screw rod are organized in the asynchronous driving of drive motors more; Atomizer in injection system connects the outer wall of the barrel of first group of asynchronous induction system of double helix; First group of asynchronous induction system of double helix is furnished with heating system, and heating system is any in heat-conducting oil heating, Electromagnetic Heating; Last group double helix asynchronous induction system is furnished with cooling system, and cooling system is water-cooled, any in air-cooled.

The utility model realizes that the detailed process of rubber powder plasticizing is: the rubber powder that first will be crushed to 10～40 purpose waste olds, from the charging aperture of first group of asynchronous induction system of double helix, add in feeding cylinder, rubber powder is pushed under the effect of the spiral shell wing, rubber powder is continued to advance by screw rod, the good activator of proportioning and softening agent, make activator and softening agent enter barrel by atomizer simultaneously; Heating system starts simultaneously, in the process that rubber powder, activator and softening agent are transferred, realizes being uniformly mixed and shearing heating; The rubber material continues stirring, shear, heating simultaneously, and temperature is incubated 8～10 minutes after rising to 180 ℃～200 ℃, completes plasticizing process; Finally cooling, the rubber powder after plastics processing is cooled to lower than after 40 ℃, just can be directly for or packed to be used.

The utility model is simple in structure, easy to operate, realized the production of rubber powder automation continuous plastication fully, the mutual scraping caused due to the double helix asynchronous movement, solve the sticky stifled problem of carrying viscous material, rubber powder has been applied the physical actions such as stirring, extruding, shearing simultaneously.

The accompanying drawing explanation:

The continuous plastication device cross section structure principle schematic that Fig. 1 is three groups of asynchronous induction system tandem compounds of double helix of the present utility model.

Fig. 2 is the utility model horizontal cross-section structural principle schematic diagram.

Fig. 3 is the utility model barrel cross section structure principle schematic, comprises the asynchronous induction system 1 of double helix, injection system 2, heating system 3, cooling system 4, barrel 5, helical blade 6, drive motors 7, control system 8, charging aperture 9, discharging opening 10, bearing 11, screw rod 12, the spiral shell wing 13, atomizer 14 and barrel 15.

The specific embodiment:

Below by embodiment, also be described further by reference to the accompanying drawings.

Embodiment:

The agent structure of the present embodiment comprises the asynchronous induction system 1 of double helix, injection system 2, heating system 3 and cooling system 4; Wherein, the asynchronous induction system 1 of double helix comprises barrel 5, helical blade 6, drive motors 7, control system 8, charging aperture 9, discharging opening 10, bearing 11, screw rod 12 and the spiral shell wing 13; Cross section forms 8 font cross sections for barrel 5 tangent planes that two circles lack butted structure, barrel 5 is suited and connects into involutory 8 font double-barrel structures along outer wall by the cylinder of two same structures, the upside of barrel 5 one ends fixedly is shaped with charging aperture 9, the downside of barrel 5 other ends fixedly is shaped with discharging opening 10, and the barrel 5 sealing two ends outsides fixedly are shaped with respectively bearing 11 for studdle 12; Helical blade 6 helical structures are fixed on the screw rod 12 of cylinder or column structure, on the lateral surface of screw rod 12, dish has the spirality spiral shell wing 13, leave gap between the spiral shell wing 13 of same orientation, two helical blades 6 of symmetrical structure pass respectively 8 font barrel 5 brace type framves on the bearing 11 at barrel 5 two ends; The spiral shell wing 13 on two helical blades 6 is engaged in the gap of the spiral shell wing 13 each other; Drive motors 7 is two variable speed electric motors, particularlies, and the outputting power of drive motors 7 docks with corresponding screw rod 12 and helical blade 6 respectively, by screw rod 12, is driving two helical blades 6; The rotating speed of drive motors 7 is measured and controlled to control system 8, makes the rotating speed asynchronous running of two drive motors 7, and one fast one slow and constantly conversion is being moved respectively two spiral shell wings 13 in the spiral shell wing 13 gaps each other, the screw rod 12 in the spiral shell wing 13 gaps each other of swiping; The top side face one end place of barrel 5 is shaped with charging aperture 9, other end place on the bottom side of barrel 5 is shaped with discharging opening 10, the rubber material enters barrel 5 from charging aperture 9, under the effect of the spiral shell wing 13, the rubber material is pushed into, can be scraped and wipe by the spiral shell wing 13 of the helical blade 6 of another group when the rubber material is bonded on screw rod 12, avoid the sticky stifled of material and equipment, the physical force that the rubber material is applied stirring, extruding and shears simultaneously, the rubber material finally is pushed out from discharging opening 10; Be equipped with and be shaped with electrical heating or cooling system in the barrel 5 of the asynchronous induction system 1 of double helix and screw rod 12, complete heating material or cooling; Barrel 5 and screw rod 12 can form by the tandem docking of charging aperture 9 and discharging opening 10 rubber mass transport and the process equipment of large-scale power, during series connection, after discharging opening 10 sealings of last group of barrel 5 are docked at, on the charging aperture 9 of one group of barrel 5, form and carry continuously and system of processing; While forming treatment system, barrel 5 and screw rod 12 are organized in the asynchronous driving of drive motors 7 more; Atomizer 14 in injection system 2 connects the outer wall of the barrel 5 of first group of asynchronous induction system 1 of double helix; First group of asynchronous induction system 1 of double helix is furnished with heating system 3, and heating system 3 is any in heat-conducting oil heating, Electromagnetic Heating; Last group double helix asynchronous induction system 1 is furnished with cooling system 4, and cooling system 4 is water-cooled, any in air-cooled.

The present embodiment realizes that the detailed process of rubber powder plasticizing is: the rubber powder that first will be crushed to 10～40 purpose waste olds, from the charging aperture 9 of first group of asynchronous induction system 1 of double helix, add in feeding cylinder 15, rubber powder is pushed under the effect of the spiral shell wing 13, rubber powder is continued to advance by screw rod 12, the good activator of proportioning and softening agent, make activator and softening agent enter barrel 15 by atomizer 14 simultaneously; Heating system 3 starts simultaneously, in the process that rubber powder, activator and softening agent are transferred, realizes being uniformly mixed and shearing heating; The rubber material continues stirring, shear, heating simultaneously, and temperature is incubated 8～10 minutes after rising to 180 ℃～200 ℃, completes plasticizing process; Finally cooling, the rubber powder after plastics processing is cooled to lower than after 40 ℃, just can be directly for or packed to be used.

Claims (1)

1. a double helix asynchronous rubber rubber powder continuous plastication device, is characterized in that agent structure comprises the asynchronous induction system of double helix, injection system, heating system and cooling system; Wherein, the asynchronous induction system of double helix comprises barrel, helical blade, drive motors, control system, charging aperture, discharging opening, bearing, screw rod and the spiral shell wing; Cross section forms 8 font cross sections for the barrel tangent plane that two circles lack butted structure, barrel is suited and connects into involutory 8 font double-barrel structures along outer wall by the cylinder of two same structures, the upside of barrel one end fixedly is shaped with charging aperture, the downside of the barrel other end fixedly is shaped with discharging opening, and the barrel sealing two ends outside fixedly is shaped with respectively bearing; The helical blade helical structure is fixed on the screw rod of cylinder or column structure, on the lateral surface of screw rod, dish has the spirality spiral shell wing, leave gap between the spiral shell wing of same orientation, two helical blades of symmetrical structure pass respectively 8 font barrel brace type framves on the bearing at barrel two ends; The spiral shell wing on two helical blades is engaged in the gap of the spiral shell wing each other; Drive motors is two variable speed electric motors, particularlies, and the outputting power of drive motors docks with corresponding screw rod and helical blade respectively; The rotating speed of drive motors is measured and controlled to control system; Equipped electrical heating or the cooling system of being shaped with in the barrel of the asynchronous induction system of double helix and screw rod; Barrel and screw rod form rubber mass transport and the process equipment of large-scale power by the tandem docking of charging aperture and discharging opening, after the discharging opening sealing of last group of barrel is docked at, on the charging aperture of one group of barrel, forms and carry continuously and system of processing; Atomizer in injection system connects the outer wall of the barrel of first group of asynchronous induction system of double helix; First group of asynchronous induction system of double helix is furnished with heating system, and heating system is any in heat-conducting oil heating, Electromagnetic Heating; Last group double helix asynchronous induction system is furnished with cooling system, and cooling system is water-cooled, any in air-cooled.

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