Solid grain is rapidly heated or cooling unit
Technical field
The present invention relates to a kind of road construction temperature control equipment, particularly relate to a kind of solid grain and be rapidly heated or cooling unit.
Background technology
Highway engineering construction field is fast-developing, highway mileage constantly increases, road project and maintenance consume huge for resource, environment, economic dispatch, therefore save road construction investment cost, improve Bituminous Pavement Construction quality and reduce to become the impact of environment target and the power of road construction.At present, the development of highway construction field generally uses new material and new technology, and a kind of is that raw-material additive can well retain rubber powder characteristic with waste old, improves road synthetic performance, especially anti-rut behavior, simultaneously or a kind of excellent means of refuse efficiency utilization.But prepare the equipment that these additive needs are rapidly heated, lower the temperature, existing deep fat firing equipment is difficult to meet the requirement of this additive for temperature gradient; And mostly there is the uneven problem of heating, can not Production requirement be met.For the said equipment deficiency and prepare the actual needs of rubber additive, need the production equipment that a kind of large temperature gradient of research and development is rapidly heated/lowers the temperature badly.
Existingly to be rapidly heated because above-mentioned/the defect that exists of cooling system, the present inventor is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, being rapidly heated or cooling unit to founding a kind of novel solid pellet, making it have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
Main purpose of the present invention is, overcomes existingly to be rapidly heated/the defect that exists of cooling system, and provides a kind of novel solid pellet to be rapidly heated or cooling unit, improve warm up/down efficiency, homogeneous heating, thus be more suitable for practicality, and there is the value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of solid grain proposed according to the present invention is rapidly heated or cooling unit, includes fluid circulation, the gas circulating system and mixing plant,
The described gas circulating system includes recyclegas recovery port, circulation air inlet port, exchange heat pipe, adds gas port, gas outlet, gas circulation axis, gas distributing valve mouth and gas delivery channels, described exchange heat pipe is arranged in fluid circulation, the two ends of exchange heat pipe are respectively and add gas port and gas outlet, gas outlet connects circulation air inlet port, circulation air inlet port is arranged on one end of described gas circulation axis, and described gas circulation axis top is provided with multiple gas distributing valve mouth;
Described mixing plant includes agitator tank, stirring motor, blade screw axle and blade, described agitator tank side is provided with stirring motor, stirring motor connects the blade screw axle that agitator tank inside is arranged, the external surface of blade screw axle is provided with blade, described blade screw axle sleeve is located on the external surface of described gas circulation axis, described blade screw axle relatively rotates relative to gas circulation axis, and described gas delivery channels is arranged on length of blade direction.
Further, aforesaid solid grain is rapidly heated or cooling unit, described fluid circulation includes circulation oil-in, recycles hydraulic fluid port and agitator tank housing, described circulation oil-in with recycle hydraulic fluid port and be connected with agitator tank housing respectively, described agitator tank housing is the double-decker of hollow.
Further, aforesaid solid grain is rapidly heated or cooling unit, and described gas distributing valve mouth is sector structure.Adopt fan-shaped valve port design, when the gas on blade sprays in channel alignment valve port sector channel, gas sprays, when blade is in other positions, valve port is in closed condition, by adjusting fan-shaped angle, zero position, boundary of adjustment gas ejection, thus ensure that blade is in gas ejection time feed stock material stirs, gas spout is equipped with among each blade, gas spout adopts the tubaeform design to external diffusion, plays the effect preventing solid particle from entering, disperse to spray gas.Form the circulation between gas spout-solid grain-gas recovery port in mix tank inside, add exchange rate greatly.Gas pressure applicator realizes providing the power of whole circulation.
Further, aforesaid solid grain is rapidly heated or cooling unit, and the upper and lower of described agitator tank housing is respectively arranged with dog-house and discharge port, and the inside of dog-house and discharge port is provided with pneumatic operated valve.
Further, aforesaid solid grain is rapidly heated or cooling unit, and described exchange heat pipe is spirality, plays good exchange heat effect.
Further, aforesaid solid grain is rapidly heated or cooling unit, and described recyclegas recovery port is arranged on described agitator tank housing.
By technique scheme, solid grain of the present invention is rapidly heated or cooling unit at least has following advantages:
Solid grain of the present invention is rapidly heated or cooling unit adopts liquids and gases dual systems, and liquid medium is solid grain warm up/down by the agitator tank housing of double layer hollow and gas medium simultaneously, effectively raises heating/cooling efficiency; Wherein by gas delivery channels being arranged on the form on mixing plant blade, uniformly the gas after warm up/down is mixed with solid grain, achieve the object of homogeneous heating/cooling, and liquids and gases dual system shares a set of heating/cooling equipment, can effectively economize on resources; In order to improve liquid medium cycle efficieny and satisfied temperature raises/underspeed requirement, liquid medium circulation canal adopts the design of whole housing all standing, increases shunting and busway, makes housing entirety keep even heating/cooling; Gas distributing valve adopts fan-shaped valve port design, and when the gas on blade sprays in channel alignment valve port sector channel, gas sprays; When blade is in other positions, valve port is in closed condition, by adjusting fan-shaped angle, zero position, boundary of adjustment gas ejection, thus ensure that blade is in gas ejection time feed stock material stirs, form the circulation between gas spout-solid grain-gas recovery port in mix tank inside, add exchange rate greatly.Stirring system adopts independently blade design, can complete the high-efficiency stirring of solid grain to greatest extent, and the design of blade adopts the mentality of designing of mixed flow stirring, and arranges shearing blade at edge, reduces the accumulation of pellet at two ends.This equipment also can be used as the equipment of other solid grain mix Fast Heating, cooling simultaneously.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is mixing plant perspective view of the present invention;
Fig. 2 is agitator tank housing sectional view of the present invention;
Fig. 3 is agitator tank oil-in schematic diagram of the present invention;
Fig. 4 is oil-in close-up schematic view of the present invention;
Fig. 5 is exchange heat tubular structure schematic diagram of the present invention;
Fig. 6 is gas transmission pipeline partial enlargement structural representation of the present invention;
Connotation is marked: 2. dog-house, 3. discharge port, 5. stirring motor in figure, 6. circulation air inlet port, 7. fluid circulation, 8. exchange heat pipe, 9. add gas port, 10. gas outlet, 11. agitator tank housings, 12. blades, 13. blade screw axles, 14. gas circulation axis, 15. gas distributing valve mouths, 16. gas delivery channels, 17. circulation oil-ins, 18. recycle hydraulic fluid port.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, the solid grain proposed being rapidly heated or its detailed description of the invention of cooling unit, feature and effect thereof, being described in detail as follows according to the present invention.
Embodiment 1
Solid grain of the present invention is rapidly heated or cooling unit structural representation as shown in figs. 1 to 6, includes fluid circulation 7, the gas circulating system and mixing plant,
Fluid circulation 7 includes circulation oil-in 17, recycles hydraulic fluid port 18 and agitator tank housing 11; The gas circulating system includes recyclegas recovery port 4, circulation air inlet port 6, exchange heat pipe 8, adds gas port 9, gas outlet 10, gas circulation axis 14, gas distributing valve mouth 15 and gas delivery channels 16; Mixing plant includes agitator tank 1, stirring motor 5, blade screw axle 13 and blade 12, also includes dog-house 2 and discharge port 3.
Fluid circulation 7 internal main will comprise heater, circulation canal, pressurizer, the parts such as temperature control assembly, be respectively arranged with circulation oil-in 17 in fluid circulation 7 outside and recycle hydraulic fluid port 18 and be connected with agitator tank housing 11, in order to improve Circulation and Hot Oil Spray efficiency and the requirement of satisfied temperature ramp-up rate, heater adopts electrical heating, circulation canal adopts the design of whole agitator tank housing 11 all standing, increase shunting and busway, agitator tank housing 11 entirety is made to keep evenly heating up, pressurizer realizes the continuous service of whole oil circuit, temperature control assembly is monitored in real time to whole oil circuit temperature.
Agitator tank 1 side is provided with stirring motor 5, stirring motor 5 connects the blade screw axle 13 that agitator tank 1 inside is arranged, the external surface of blade screw axle 13 is provided with blade 12, blade screw axle 13 is set on the external surface of gas circulation axis 14, blade screw axle 13 relatively rotates relative to gas circulation axis 14, and gas delivery channels 16 is arranged on blade 12 length direction.
Exchange heat pipe 8 is helical structure, adopt helical structure design can increase the contact area with deep fat, improve the rate of heat addition, exchange heat pipe 8 is arranged in fluid circulation 7, the two ends of exchange heat pipe 8 are respectively and add gas port 9 and gas outlet 10, and add gas port 9 and realize conveying gas medium, gas outlet 10 connects circulation air inlet port 6, circulation air inlet port 6 is arranged on one end of gas circulation axis 14, and gas circulation axis 14 top is provided with multiple gas distributing valve mouth 15; Gas distributing valve mouth 15 is sector structure, adopt fan-shaped design, when the gas on blade 12 sprays in channel alignment gas distributing valve mouth 15 sector channel, gas sprays, when blade 12 is in other positions, gas distributing valve mouth 15 is in closed condition, by adjusting fan-shaped angle, zero position, boundary of adjustment gas ejection, thus ensure that blade 12 is in gas ejection time feed stock material stirs, form the circulation between gas spout-solid grain-gas recovery port in agitator tank 1 inside, add exchange rate greatly.Gas pressure applicator realizes providing the power of whole circulation.
Dog-house 2 and discharge port 3 is respectively arranged with in the upper and lower of agitator tank housing 11, the inside of dog-house 2 and discharge port 3 is provided with pneumatic operated valve, this passage is closed at once after raw material add, simultaneously in order to keep inside and outside pressure balance, be equipped with a Compressed Gas supplementary device, gas type is consistent with gas recyclegas.Discharge system still adopts pneumatic operated valve to complete.
Mixing plant adopts independently blade 12 to design, and can complete the high-efficiency stirring of solid grain to greatest extent, and the design of blade 12 adopts the mentality of designing of mixed flow stirring, and arranges shearing blade at edge, reduces the accumulation of pellet at two ends.
Concrete operating procedure comprises: deliver, thermal response stirs, cold hybrid reaction stirs discharging.Delivering raw material is 52%, 33%, 15% for rubber powder, matrix pitch, additive, ratio, thermal response mixer adopts device of the present invention, liquid medium adopts conduction oil, and gas circulatory mediator adopts nitrogen, first starts heat-conduction oil heat circulation with the reaction temperature ensureing about 180 DEG C.First rubber powder is transported to dog-house 2 by transport tape, start gas circulating device and improve heating rate by high-temperature gas circulation, matrix pitch and additive are put into thermal response mixer, and stir, open operated pneumatic valve compound falls into below cold mixed reactor through Vertical Channel, cold reaction mixer adopts freezing liquid circulation, gas adopts nitrogen, open cold mixing arrangement before compound drops into, keep the circulating temperature of cooling fluid-10 DEG C, compound starts blade 12 after entering cold reaction mixer and stirs, start the gas circulating system simultaneously, reach compound reaction and require rear discharging.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.