CN206355992U - A kind of rotary drum heating and stirring device - Google Patents
A kind of rotary drum heating and stirring device Download PDFInfo
- Publication number
- CN206355992U CN206355992U CN201621445832.5U CN201621445832U CN206355992U CN 206355992 U CN206355992 U CN 206355992U CN 201621445832 U CN201621445832 U CN 201621445832U CN 206355992 U CN206355992 U CN 206355992U
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- rotary drum
- oil
- inner casing
- conduction oil
- swivel joint
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Abstract
The utility model is related to a kind of rotary drum heating and stirring device, including rotary drum housing, rotary drum housing includes rotary drum inner casing and rotor cover, the axis in rotary drum shell length direction is horizontal by an angle, a left side for rotary drum housing, right corners are respectively equipped with the rotary drum axle stretched out along horizontal line, rotary drum axle is supported on bearing by bearing block respectively, rotary drum housing is driven by rotary drum drive mechanism and rotated, the upside of rotary drum housing or lower side corner sections are provided with feed inlet and outlet, the inner chamber of rotary drum inner casing is provided with air exhaust cap, chuck heating chamber is provided between rotary drum inner casing and rotor cover, the inner chamber of rotary drum inner casing is provided with heat-conducting oil heating coil pipe.Axial reciprocating of the heat-conducting oil heating coil pipe along rotary drum inner casing is turned back and joined end to end, every layer of heat-conducting oil heating coil pipe is parallel to each other and is evenly distributed on the heat exchange face of cylinder being spaced a distance with the inwall of rotary drum inner casing, and radial direction of the heat exchange face of cylinder along rotary drum inner casing inner chamber is at least provided with one layer.The heating surface (area) (HS of the rotary drum heating and stirring device is big, and material mixing effect is good, and material is heated evenly, dry and solid phase speed is fast.
Description
Technical field
The utility model is related to a kind of rotary drum heating and stirring device, belongs to high adhesive aggregation compound and manufactures equipment and technology neck
Domain, available for the heating of the materials such as polyester, nylon, is dried and solid phase.
Background technology
Polyester solid phase polycondensation thickening product is widely used, and polyester solid phase polycondensation thickening is by with certain molecular weight
Estrodur performed polymer be heated to more than the following glass transition temperature of its fusing point, by vacuumize or inert gas protection and take away small
Molecular product, is continued polycondensation reaction.Solid phase polycondensation is traditionally carried out using vacuum drum, made using rotary drum heating oil pipe
Heated up with the polyester slice for being to make in rotary drum according to setting curve, it is reached reaction condition in the solid state.
Notification number discloses a kind of drum device of auxiliary electrical heater for CN 201276613Y Chinese utility model,
Electrically heated rod is provided near the dog-house and discharging opening of rotary drum.Although improving production efficiency, comprehensive energy consumption is higher,
Power capacity to enterprise proposes higher requirement.
The A of Publication No. CN 104324663 Chinese invention patent application discloses a kind of rotary drum heater, in rotary drum
In provided with many first heating oil pipes, many first heating oil pipes be uniformly distributed along the inwall of rotary drum, two are additionally provided with rotary drum
It is mutually perpendicular to and runs through the second heating oil pipe of rotary drum.Although the rotary drum heater adds the second heating oil pipe, still
Overall heating surface (area) (HS is still smaller, and the overall heat time is still long.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art to be filled there is provided a kind of rotary drum heating stirring
Put, heating surface (area) (HS is big, material mixing effect is good, material is heated evenly, dry and solid phase speed is fast.
It is described to solve above technical problem, a kind of rotary drum heating and stirring device of the present utility model, including rotary drum housing
Rotary drum housing include mutually nested and coaxial line rotary drum inner casing and rotor cover, the axis in the rotary drum shell length direction with
Horizontal plane is in 25 °~33 ° angles, and the left and right side corner of the rotary drum housing is respectively equipped with coaxial line and along horizontal alignment extension
The rotary drum axle stretched, the rotary drum axle is supported on bearing by bearing block respectively, and the rotary drum housing is driven by rotary drum drive mechanism
Dynamic to rotate, the upside of the rotary drum housing or lower side corner sections are provided with feed inlet and outlet, and the inner chamber of the rotary drum inner casing, which is provided with, to be used to take out
The air exhaust cap of gas, is provided with chuck heating chamber between the rotary drum inner casing and rotor cover, the inner chamber of the rotary drum inner casing, which is provided with, leads
Deep fat heating coil.
Relative to prior art, the utility model achieves following beneficial effect：When feed inlet and outlet upward when, by material from
Feed inlet and outlet puts into the inner chamber of rotary drum housing, then closes feed inlet and outlet；Rotary drum housing is under the driving of rotary drum drive mechanism
Rotation, material is overturn repeatedly in rotary drum housing cavity, and chuck heating chamber and heat-conducting oil heating coil pipe carry out dual add to material
Heat, makes material dry rapidly and be heated to more than the following glass transition temperature of its fusing point, will be added by air exhaust cap thermogenetic small
Molecular product is extracted out, is continued polycondensation reaction, material is viscosified rapidly.The axis of rotary drum housing is horizontal by 25 °~33 °
Angle can both ensure axial mobility of the material in rotary drum housing cavity, be avoided that material is excessively deposited in lower comer again,
Larger area of dispersion is kept, makes material that there is bigger heat exchange area with chuck heating surface and heat-conducting oil heating coil pipe.
Improved as of the present utility model, the rotary drum axle is hollow shaft, wherein a rotary drum axle turns to vacuumize end
Drum axle, another rotary drum axle is conduction oil in-out end rotary drum axle, and the external end head for vacuumizing end rotary drum axle, which is provided with, to be vacuumized
Swivel joint is held, the centre bore that the central tube for vacuumizing end swivel joint vacuumizes end rotary drum axle described in stretches into described turn
Rouse the inner chamber of inner casing and turn round upwards, the air exhaust cap is arranged on described vacuumize in the inner termination for holding swivel joint central tube
Portion, the external end head for vacuumizing end swivel joint central tube, which stretches out, described to be vacuumized end swivel joint outside and is connected with and vacuumizes
Mouthful.Vacuum orifice is connected with negative pressure system, vacuumizes end rotary drum axle when rotating, the central tube for vacuumizing end swivel joint is protected
Hold motionless, the top of air exhaust cap upward and is always positioned at the first half of rotary drum housing cavity all the time, it is ensured that the effect that vacuumizes and
Material particles are avoided to fall into air exhaust cap inner chamber.
As further improvement of the utility model, the external end head of the conduction oil in-out end rotary drum axle is provided with conduction oil
In-out end swivel joint, conduction oil in-out end swivel joint center is provided with along the axis of the conduction oil in-out end swivel joint
Pipe, provided with rotation between the conduction oil in-out end swivel joint central tube and the housing of the conduction oil in-out end swivel joint
Joint oil suction chamber, the swivel joint oil suction chamber is connected with the central duct of the conduction oil in-out end rotary drum axle, described to lead
The housing circumferential upper part of deep fat in-out end swivel joint is provided with swivel joint heat conductive oil inlet, the conduction oil in-out end rotary drum axle
Circumference on be evenly distributed with multiple rotary drum axle oil permeable holes communicated with the chuck heating chamber；The rotor cover is away from heat conduction
The center of oily in-out end rotary drum axle is provided with chuck heating chamber conduction oil outlet, and the chuck heating chamber conduction oil outlet, which is connected with, to be led
Deep fat return duct, outer wall of the thermal oil return along the rotor cover prolongs to conduction oil in-out end rotary drum axle side
Stretch, the elongated end of the thermal oil return stretches into the inner chamber of the conduction oil in-out end rotary drum axle and entered with the conduction oil
Go out to hold the inner termination of swivel joint central tube to be connected, the external end head of the conduction oil in-out end swivel joint central tube is from described
The external end head of conduction oil in-out end swivel joint housing is stretched out, and the external end head of the conduction oil in-out end swivel joint central tube is set
There is swivel joint conduction oil outlet.Conduction oil in-out end rotary drum axle is during with rotary drum housing into rotation, the rotation of conduction oil in-out end
Adapter central tube is remained stationary as, and high temperature heat conductive oil is from the swivel joint heat conduction on conduction oil in-out end swivel joint housing circumference
The swivel joint that oil inlet enters between conduction oil in-out end swivel joint central tube and conduction oil in-out end swivel joint housing
Oil suction chamber, subsequently into the central duct of conduction oil in-out end rotary drum axle, enters chuck heating chamber from rotary drum axle oil permeable hole, is full of
Chuck heating chamber simultaneously flows to the left, until being flowed out from the chuck heating chamber conduction oil outlet at rotor cover other end center, passes through
Thermal oil return flows to conduction oil in-out end rotary drum axle side and enters conduction oil in-out end swivel joint central tube,
It is last to be flowed out from swivel joint conduction oil outlet；The uniform temperature fields of chuck heating chamber are ensure that, material is added from outside
Heat.
As further improvement of the utility model, oil inlet end and the conduction oil of the heat-conducting oil heating coil pipe are passed in and out
The inner termination of end rotary drum axle is connected and communicated with the central duct of the conduction oil in-out end rotary drum axle；The heat-conducting oil heating
The oil outlet end of coil pipe with the thermal oil return is connected through the rotary drum housing and by threeway of confluxing.Conduction oil is from leading
While the central duct of deep fat in-out end rotary drum axle enters chuck heating chamber, from conduction oil in-out end rotary drum axle central duct
Left end enters heat-conducting oil heating coil pipe, advances along heat-conducting oil heating coil pipe is cranky, until from heat-conducting oil heating coil pipe
Oil outlet end enters thermal oil return by threeway of confluxing, fuel-displaced common along thermal oil return to heat conduction with chuck heating chamber
Oily in-out end rotary drum axle side flowing.Heat-conducting oil heating coil pipe and chuck heating chamber formation parallel relationship, all directly with height
Warm conduction oil is connected so that rotary drum inner casing and the heating intensity of its inner chamber are equally very big.
As further improvement of the utility model, the entrance inner chamber of the thermal oil return is provided with restriction orifice,
The restriction orifice is located between the chuck heating chamber conduction oil outlet and the threeway of confluxing, the aperture of the restriction orifice
Flow-rate ratio than making chuck heating chamber and heat-conducting oil heating coil pipe is equal to heat exchange area ratio between the two.Due to heat-conducting oil heating
The cross section of fluid channel product of coil pipe is far smaller than the cross section of fluid channel product of chuck heating chamber, and the flow channel length of heat-conducting oil heating coil pipe is remote
Much larger than the flow channel length of chuck heating chamber so that the pressure difference at heat-conducting oil heating coil pipe two ends is much larger than chuck heating chamber two ends
Pressure difference, restriction orifice is set in chuck heating chamber conduction oil outlet, and the resistance of increase chuck heating chamber conduction oil outflow is conducive to
Heat-conducting oil heating coil pipe and the flow of chuck heating chamber are balanced, makes the temperature field of rotary drum inner casing and its inner chamber more uniform.
It is used as further improvement of the utility model, axial reciprocating of the heat-conducting oil heating coil pipe along the rotary drum inner casing
Turn back and join end to end, every layer of heat-conducting oil heating coil pipe is parallel to each other and is evenly distributed on the inwall interval with the rotary drum inner casing
On the heat exchange face of cylinder of one segment distance, radial direction of the heat exchange face of cylinder along rotary drum inner casing inner chamber is at least provided with one layer.This practicality
Length direction of the new heat-conducting oil heating coil pipe along rotary drum inner casing is snakelike to turn back, and along the cylinder face ring of rotary drum inner casing inner chamber
Around one week, realize along the overall length direction and wholecircle circumferential direction of rotary drum inner casing and uniformly put heat-conducting oil heating coil pipe, it is and traditional
Compared along the way of rotary drum inner casing radial arrangement heating coil, heating surface (area) (HS adds several times even decades of times, greatly improves
Heating intensity, and conduction oil do not have blind area along along heat-conducting oil heating coil pipe flow process.Because heat-conducting oil heating coil pipe edge turns
The axial reciprocating of drum inner casing is turned back so that the temperature at the inner chamber two ends of rotary drum inner casing is visibly homogeneous；Rotary drum housing is in rotary course
In, all materials must be through the face of cylinder of heat-conducting oil heating coil pipe formation, so that all materials are all when being reversed
Heat-conducting oil heating coil pipe can be touched, the efficiency of heating surface is further increased.
As further improvement of the utility model, the inwall of the rotary drum inner casing adds provided with each layer conduction oil of support
The annular brace circle of hot coil, the two ends of each layer heat-conducting oil heating coil pipe are flush-mounted in the inner edge groove of the annular brace circle respectively
In, it is evenly distributed with multiple material through hole on the circumference that each annular brace circle is in contact with the rotary drum inner casing.Annular branch
Support ring plays support and positioning action, in switching process, the material positioned at annular brace circle bottom to heat-conducting oil heating coil pipe
Particle can downwards flow through material through hole, it is to avoid local material overheat.
As further improvement of the utility model, the rotary drum inner casing is by the inner casing stainless steel plate positioned at internal layer and is located at
The inner casing carbon steel sheet of outer layer is composited, and the rotor cover is carbon steel sheet, the inner casing carbon steel sheet and the rotor cover it
Between be uniformly connected with multiple carbon steel support tubes.What is contacted with material is inner casing stainless steel plate, it can be ensured that material will not be by dirt
Dye, the composite inner shell carbon steel sheet on the outside of inner casing stainless steel plate can improve the intensity of whole rotary drum inner casing, and rotary drum inner casing is thinned
Wall thickness, makes equipment overall weight light, manufacturing cost is low；Inner casing carbon steel sheet and rotor cover use identical material with carbon steel support tube
Matter, it is ensured that the welding performance at carbon steel support tube two ends.Because rotary drum needs the cooling that continually heats up, inner casing carbon steel at work
Plate and rotor cover use phase same material with carbon steel support tube, with identical thermal coefficient of expansion, can reduce heating and cooling process
The thermal stress of generation, it is to avoid weld seam is torn.
As further improvement of the utility model, the rotary drum drive mechanism is with the end rotary drum axle position that vacuumizes in same
Side, the rotary drum drive mechanism includes being provided with main chain on the reductor driven by main motor, the output shaft of the reductor
Wheel, described vacuumize is provided with chain gear for drum shaft on the rotary drum axle of end, and the chain gear for drum shaft is passed with the head sprocket by chain
Dynamic connection.The need for vacuumizing, the diameter of conduction oil in-out end swivel joint central tube causes to vacuumize end turn than larger
Drum axle is bigger than the diameter of conduction oil in-out end rotary drum axle, and intensity is also higher, vacuumizes and easily facilitates on the rotary drum axle of end and open up key
Groove and the shaft shoulder, the radial direction and axial restraint of chain gear for drum shaft are realized by key and the shaft shoulder；And vacuumize in the rotary drum axle of end without height
Warm conduction oil passes through, even if crackle or fracture occur at work, high temperature heat conductive oil is not had and is spilt, it is to avoid occur great peace
Full accident.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description, accompanying drawing only provides ginseng
Examine and used with explanation, be not used to limit the utility model.
Fig. 1 is the front view of the utility model rotary drum heating and stirring device.
Fig. 2 is the rotary drum inner casing intracavity section figure for setting one layer of heat-conducting oil heating coil pipe.
Fig. 3 is the rotary drum inner casing intracavity section figure for setting two layers of heat-conducting oil heating coil pipe.
In figure：1. rotor cover；1a. chuck heating chamber conduction oil outlets；2. rotary drum inner casing；3. carbon steel support tube；4. enter
Discharging opening；5. vacuumize end rotary drum axle；6. vacuumize end swivel joint；6a. vacuumizes end swivel joint central tube；6b. takes out very
Eat dishes without rice or wine；6c. air exhaust caps；6d. temperature measuring probes；7. conduction oil in-out end rotary drum axle；8. conduction oil in-out end swivel joint；
8a. swivel joint heat conductive oil inlets；8b. conduction oil in-out end swivel joint central tubes；8c. swivel joint conduction oil outlets；8d.
Rotary drum axle oil permeable hole；9. heat-conducting oil heating coil pipe；10. thermal oil return；10a. confluxes threeway；10b. restriction orifices；11. ring
Shape bracing ring；11a. material through hole；12. probe tube；12a. seals pipe cap；13. main motor；14. reductor；15. head sprocket；
16. chain；17. chain gear for drum shaft；18. bearing block；19. bearing；V1. the first sampling valve；V2. the second sampling valve.
Embodiment
As shown in Figure 1 to Figure 3, of the present utility model including rotary drum housing, rotary drum housing includes mutually nested and coaxial line
Rotary drum inner casing 2 and rotor cover 1, the axis in rotary drum shell length direction is horizontal by 25 °~33 ° angles, rotary drum housing
Left and right side corner be respectively equipped with coaxial line and the rotary drum axle stretched out along horizontal line, rotary drum axle passes through bearing block 18 respectively
Be supported on bearing 19, rotary drum housing is driven by rotary drum drive mechanism and rotated, the upside of rotary drum housing or lower side corner sections be provided with into
Discharging opening 4, the inner chamber of rotary drum inner casing 2 is provided with the air exhaust cap 6c for being evacuated, provided with folder between rotary drum inner casing 2 and rotor cover 1
Heating chamber is covered, the inner chamber of rotary drum inner casing 2 is provided with heat-conducting oil heating coil pipe 9.
When feed inlet and outlet 4 upward when, material is put into the inner chamber of rotary drum housing from feed inlet and outlet 4, then by feed inlet and outlet 4
Close；Rotary drum housing is rotated under the driving of rotary drum drive mechanism, and material is overturn repeatedly in rotary drum housing cavity, chuck heating
Chamber and heat-conducting oil heating coil pipe 9 carry out dual-heated to material, material is dried rapidly and are heated to the following glass of its fusing point
Change more than temperature, by air exhaust cap 6c thermogenetic small molecule product will be added to extract out, and be continued polycondensation reaction, material is rapid
Thickening.Angle between the axis and horizontal plane of rotary drum housing is 25 °~33 °, can both ensure material in rotary drum housing cavity
Axial mobility, be avoided that material is excessively deposited in lower comer again, keep larger area of dispersion, material is added with chuck
Hot face and heat-conducting oil heating coil pipe 9 have bigger heat exchange area.
Rotary drum axle is hollow shaft, wherein a rotary drum axle is vacuumizes end rotary drum axle 5, another rotary drum axle is conduction oil
In-out end rotary drum axle 7, the external end head for vacuumizing end rotary drum axle 5 is provided with and vacuumizes end swivel joint 6, vacuumizes end swivel joint
6 central tube stretches into the inner chamber of rotary drum inner casing 2 and upward, air exhaust cap 6c installations of turning round along the centre bore for vacuumizing end rotary drum axle 5
End swivel joint central tube 6a inner termination top is being vacuumized, the external end head stretching for vacuumizing end swivel joint central tube 6a is taken out
Vacuum end swivel joint 6 is outer and is connected with vacuum orifice 6b.Vacuum orifice 6b is connected with negative pressure system, vacuumizes end rotary drum axle
5 when rotating, and vacuumizes end swivel joint central tube 6a and remains stationary as, and air exhaust cap 6c top upward and is always positioned at turning all the time
The first half of drum housing cavity, it is ensured that the effect that vacuumizes and avoid material particles from falling into air exhaust cap 6c inner chambers.
During temperature measuring probe 6d vacuumizes end swivel joint from the external end head edge for vacuumizing end swivel joint central tube 6a
Heart pipe 6a axis extends internally, until the inner chamber of insertion rotary drum inner casing 2, to detect the temperature of rotary drum inner casing inner chamber, due to taking out
Flowing is the small molecule being extracted from rotary drum inner casing inner chamber in vacuum end swivel joint central tube 6a, not with high temperature heat conductive oil shape
Into contact, therefore the inner chamber temperature detected is very accurate.
The external end head of conduction oil in-out end rotary drum axle 7 is provided with conduction oil in-out end swivel joint 8, along conduction oil in-out end
The axis of swivel joint 8 is provided with conduction oil in-out end swivel joint central tube 8b, conduction oil in-out end swivel joint central tube 8b
Swivel joint oil suction chamber is provided between the housing of conduction oil in-out end swivel joint 8, swivel joint oil suction chamber enters with conduction oil
Go out to hold the central duct of rotary drum axle 7 to be connected, the housing circumferential upper part of conduction oil in-out end swivel joint 8 is led provided with swivel joint
Multiple rotary drum axles communicated with chuck heating chamber are evenly distributed with hot oil inlet 8a, the circumference of conduction oil in-out end rotary drum axle 7
Oil permeable hole 8d；Center of the rotor cover 1 away from conduction oil in-out end rotary drum axle 7 is provided with chuck heating chamber conduction oil outlet 1a, folder
Set heating chamber conduction oil outlet 1a is connected with thermal oil return 10, outer wall guide of the thermal oil return 10 along rotor cover 1
The side of deep fat in-out end rotary drum axle 7 extends, and the elongated end of thermal oil return 10 stretches into conduction oil in-out end rotary drum axle 7
Inner chamber and it is connected with conduction oil in-out end swivel joint central tube 8b inner termination, conduction oil in-out end swivel joint center
Pipe 8b external end head stretches out and upward, conduction oil in-out end rotation of turning round from the external end head of the housing of conduction oil in-out end swivel joint 8
Adapter central tube 8b external end head is provided with swivel joint conduction oil outlet 8c.
Conduction oil in-out end rotary drum axle 7 is during with rotary drum housing into rotation, conduction oil in-out end swivel joint central tube
8b is remained stationary as, and high temperature heat conductive oil enters from the swivel joint heat conductive oil inlet 8a on conduction oil in-out end swivel joint housing circumference
Enter the swivel joint oil suction chamber between conduction oil in-out end swivel joint central tube 8b and conduction oil in-out end swivel joint housing,
Subsequently into the central duct of conduction oil in-out end rotary drum axle 7, enter chuck heating chamber from rotary drum axle oil permeable hole 8d, full of chuck
Heating chamber simultaneously flows to the left, until being flowed out from the chuck heating chamber conduction oil outlet 1a at the other end center of rotor cover 1, by leading
Deep fat return duct 10 flows to the side of conduction oil in-out end rotary drum axle 7 and enters conduction oil in-out end swivel joint central tube
8b, finally flows out from swivel joint conduction oil outlet 8c；The uniform temperature fields of chuck heating chamber are ensure that, material is entered from outside
Row heating.
The oil inlet end of heat-conducting oil heating coil pipe 9 is connected and and conduction oil with the inner termination of conduction oil in-out end rotary drum axle 7
The central duct of in-out end rotary drum axle 7 is communicated；The oil outlet end of heat-conducting oil heating coil pipe 9 is through rotary drum housing and passes through threeway of confluxing
10a is connected with thermal oil return 10.Conduction oil enters chuck heating chamber from the central duct of conduction oil in-out end rotary drum axle 7
While, enter heat-conducting oil heating coil pipe 9 from the left end of the central duct of conduction oil in-out end rotary drum axle 7, along heat-conducting oil heating
Coil pipe 9 is cranky to advance, until being flowed back from the oil outlet end of heat-conducting oil heating coil pipe 9 by the threeway 10a that confluxes into conduction oil
Pipe 10, fuel-displaced with chuck heating chamber is flowed along thermal oil return 10 to the side of conduction oil in-out end rotary drum axle 7 jointly.
The entrance inner chamber of thermal oil return 10 is provided with restriction orifice 10b, and restriction orifice 10b is led positioned at chuck heating chamber
Between hot oil outlet 1a and the threeway 10a that confluxes.Restriction orifice 10b aperture ratio makes chuck heating chamber and heat-conducting oil heating coil pipe 9
Flow-rate ratio be equal to heat exchange area ratio between the two.Such as conduction oil total flow is 50m3/h, the heat-transfer surface of chuck heating chamber
Product is 36 ㎡, my 18 ㎡ of the heat exchange area of heat-conducting oil heating coil pipe, and the length of correspondence heat-conducting oil heating coil pipe is 100m, coil pipe chi
Very little is 57*3mm；According to area distributions flow, coil pipe flow is 16.5 m3/h, and coil pipe resistance is reduced to 1.2Bar, due to chuck resistance
Power can be ignored, and the drag losses for now corresponding to orifice plate is 1.2Bar, and the flow of chuck heating chamber is 33.5 m3/h.
Axial reciprocating of the heat-conducting oil heating coil pipe 9 along rotary drum inner casing 2 is turned back and joined end to end, every layer of heat-conducting oil heating coil pipe
9 are parallel to each other and are evenly distributed on the heat exchange face of cylinder being spaced a distance with the inwall of rotary drum inner casing 2, and exchange heat face of cylinder edge
The radial direction of rotary drum inner casing inner chamber is at least provided with one layer.According to technological requirement, radial direction of the heat exchange face of cylinder along rotary drum inner casing inner chamber is set
It can carry out in series or in parallel when having two layers or more than three layers, between each layer, the heating agent of coil pipe is imported and exported at least provided with one group,
It can also use to enter to have more more.The utility model is realized uniformly to be put along the overall length direction and wholecircle circumferential direction of rotary drum inner casing 2
Heat-conducting oil heating coil pipe 9, the heating surface (area) (HS than tradition along the radial arrangement heating coil of rotary drum inner casing 2 adds several times and even counted
Ten times, substantially increase heating intensity.
The inwall of rotary drum inner casing 2 adds provided with the annular brace circle 11 for supporting each layer heat-conducting oil heating coil pipe 9, each layer conduction oil
The two ends of hot coil 9 are flush-mounted in the inner edge groove of annular brace circle 11 respectively, and each annular brace circle 11 connects with rotary drum inner casing
Multiple material through hole 11a are evenly distributed with tactile circumference.Annular brace circle 11 plays support to heat-conducting oil heating coil pipe 9 and fixed
Position effect, in switching process, the material particles positioned at the bottom of annular brace circle 11 can downwards flow through material through hole 11a
It is dynamic, it is to avoid local material overheat.
Rotary drum inner casing 2 is composited by the inner casing stainless steel plate positioned at internal layer and the inner casing carbon steel sheet positioned at outer layer, rotary drum
Shell 1 is carbon steel sheet, and multiple carbon steel support tubes 3 are uniformly connected between inner casing carbon steel sheet and rotor cover 1.Contacted with material
Inner casing stainless steel plate uses S30408 stainless steel plates, it can be ensured that material will not be contaminated；It is multiple on the outside of inner casing stainless steel plate
Q345R inner casing carbon steel sheets are closed, allowable stress of the S30408 stainless steel plates at 250 DEG C is 122MPa, and thickness is 3~16mm's
Allowable stress of the Q345R inner casings carbon steel sheet at 250 DEG C is 167MPa, and thickness exists for 16~36mm Q345R inner casing carbon steel sheets
Allowable stress at 250 DEG C is 157Mpa；Thermal conductivity factor of the S30408 stainless steel plates at 200 DEG C is 17.45W/mK, Q345R
Thermal conductivity factor of the inner casing carbon steel sheet at 200 DEG C is 44.19W/mK.It can improve whole using lamination layer structure of the present utility model
The intensity of individual rotary drum inner casing 2, is thinned the wall thickness of rotary drum inner casing 2, makes equipment overall weight light, manufacturing cost is low；Inner casing carbon steel sheet
The thermal conductivity factor of thermal conductivity ratio inner casing stainless steel plate be higher by more than one times, improve the heat transfer efficiency of chuck heating chamber.This
Outside, inner casing carbon steel sheet and rotor cover 1 use phase same material with carbon steel support tube 3, it is ensured that the welding at the two ends of carbon steel support tube 3
Performance.Because rotary drum needs the cooling that continually heats up at work, inner casing carbon steel sheet and rotor cover 1 are adopted with carbon steel support tube 3
Phase same material is used, with identical thermal coefficient of expansion, the thermal stress of heating and cooling process generation can be reduced, it is to avoid weld seam is torn
Split.
Rotary drum drive mechanism is located at the same side with vacuumizing end rotary drum axle 5, and rotary drum drive mechanism includes being driven by main motor 13
Head sprocket 15 is installed on dynamic reductor 14, the output shaft of reductor 14, vacuumizes and rotary drum axle chain is installed on end rotary drum axle 5
Wheel 17, chain gear for drum shaft 17 is connected with head sprocket 15 by chain 16.The need for vacuumizing, the rotation of conduction oil in-out end
Adapter central tube 8b diameter than larger, cause to vacuumize end rotary drum axle 5 than conduction oil in-out end rotary drum axle 7 diameter more
Greatly, intensity is also higher, vacuumizes to easily facilitate on end rotary drum axle 5 and opens up keyway and the shaft shoulder, and rotary drum axle is realized by key and the shaft shoulder
The radial direction and axial restraint of sprocket wheel 17；And vacuumizing in end rotary drum axle 5 does not have high temperature heat conductive oil to pass through, even if occurring at work
Crackle or fracture, high temperature heat conductive oil is not had and is spilt, it is to avoid occur serious accident.
Angle between the axis and horizontal plane of rotary drum housing is 28 ° and may insure that end socket bottoms material is without residual during discharging
Stay.
The gear ratio of chain gear for drum shaft 17 and head sprocket 15 is 1:3, the rotating speed of chain gear for drum shaft 17 is below 2 revs/min.
Because the weight of rotary drum is than larger, parking and starting consumes that power ratio is larger, by chain gear for drum shaft 17 and the tooth of head sprocket 15
Number ratio is set to 1:3, and the rotating speed of chain gear for drum shaft 17 is controlled below 2 revs/min, startup can be slowed down rotary drum is driven
The impact of mechanism.
It is connected with to be installed in series from inside to outside on probe tube 12, probe tube 12 on the circumference of rotary drum housing and has the first sampling valve
V1 and the second sampling valve V2, the outer spout of probe tube 12 is connected with sealing pipe cap 12a.During sampling, rotary drum housing is rotated to taking
The downward position of sample pipe 12, spins off sealing pipe cap 12a, first opens the first sampling valve V1, material particles is dropped down onto the first sampling valve
Between V1 and the second sampling valve V2, the first sampling valve V1 is then shut off, then opens the second sampling valve V2, material particles are fallen, then
The second sampling valve V2, screwing hermetic pipe cap 12a are closed, so may insure that during sampling the vacuum of rotary drum inner chamber will not be destroyed.
It the foregoing is only the preferable possible embodiments of the utility model, non-therefore limitation patent of the present utility model
Protection domain.In addition to the implementation, the utility model can also have other embodiment, and the direction of such as left and right can be mutual
Change, the technical scheme of all use equivalent substitutions or equivalent transformation formation, in the protection domain for all falling within the utility model requirement.This
Technical characteristic of the utility model without description can be realized by or using prior art, will not be repeated here.
Claims (9)
1. a kind of rotary drum heating and stirring device, including rotary drum housing, the rotary drum housing include mutually nested and coaxial line turn
Drum inner casing and rotor cover, the axis in the rotary drum shell length direction is horizontal by 25 °~33 ° angles, the rotary drum shell
The left and right side corner of body is respectively equipped with coaxial line and the rotary drum axle stretched out along horizontal line, and the rotary drum axle passes through axle respectively
Bearing is supported on bearing, and the rotary drum housing is driven by rotary drum drive mechanism and rotated, the upside or downside of the rotary drum housing
Corner is provided with feed inlet and outlet, and the inner chamber of the rotary drum inner casing is provided with the air exhaust cap for being evacuated, it is characterised in that：In the rotary drum
Chuck heating chamber is provided between shell and rotor cover, the inner chamber of the rotary drum inner casing is provided with heat-conducting oil heating coil pipe.
2. rotary drum heating and stirring device according to claim 1, it is characterised in that：The rotary drum axle is hollow shaft, its
In rotary drum axle to vacuumize end rotary drum axle, another rotary drum axle is conduction oil in-out end rotary drum axle, and the end that vacuumizes turns
The external end head of drum axle, which is provided with, vacuumizes end swivel joint, and the central tube for vacuumizing end swivel joint vacuumizes end described in
The centre bore of rotary drum axle stretches into the inner chamber of the rotary drum inner casing and turned round upwards, and the air exhaust cap is arranged on described vacuumize and holds rotation
The inner termination top of adapter central tube, described vacuumize vacuumizes end rotation described in the external end head stretching of end swivel joint central tube
Adapter is outer and is connected with vacuum orifice.
3. rotary drum heating and stirring device according to claim 2, it is characterised in that：The conduction oil in-out end rotary drum axle
External end head is provided with conduction oil in-out end swivel joint, and the axis along the conduction oil in-out end swivel joint enters provided with conduction oil
Go out to hold swivel joint central tube, the conduction oil in-out end swivel joint central tube and the conduction oil in-out end swivel joint
Swivel joint oil suction chamber, the centre bore of the swivel joint oil suction chamber and the conduction oil in-out end rotary drum axle are provided between housing
Road is connected, and the housing circumferential upper part of the conduction oil in-out end swivel joint is provided with swivel joint heat conductive oil inlet, described to lead
Multiple rotary drum axle oil permeable holes communicated with the chuck heating chamber are evenly distributed with the circumference of deep fat in-out end rotary drum axle；It is described
Center of the rotor cover away from conduction oil in-out end rotary drum axle is provided with chuck heating chamber conduction oil outlet, and the chuck heating chamber is led
Hot oil outlet is connected with thermal oil return, and outer wall of the thermal oil return along the rotor cover is to conduction oil in-out end
Rotary drum axle side extends, and the elongated end of the thermal oil return stretches into the inner chamber of the conduction oil in-out end rotary drum axle simultaneously
And be connected with the inner termination of the conduction oil in-out end swivel joint central tube, the conduction oil in-out end swivel joint center
The external end head of pipe stretches out from the external end head of the conduction oil in-out end swivel joint housing, the conduction oil in-out end swivel joint
The external end head of central tube is provided with swivel joint conduction oil outlet.
4. rotary drum heating and stirring device according to claim 3, it is characterised in that：The oil-feed of the heat-conducting oil heating coil pipe
End be connected with the inner termination of the conduction oil in-out end rotary drum axle and with the central duct of the conduction oil in-out end rotary drum axle
Communicate；The oil outlet end of the heat-conducting oil heating coil pipe with the conduction oil is flowed back through the rotary drum housing and by threeway of confluxing
Pipe is connected.
5. rotary drum heating and stirring device according to claim 4, it is characterised in that：The entrance of the thermal oil return
Inner chamber is provided with restriction orifice, and the restriction orifice is located between the chuck heating chamber conduction oil outlet and the threeway of confluxing,
The aperture ratio of the restriction orifice makes chuck heating chamber and the flow-rate ratio of heat-conducting oil heating coil pipe equal to heat-transfer surface between the two
Product ratio.
6. rotary drum heating and stirring device according to claim 1, it is characterised in that：The heat-conducting oil heating coil pipe is described in
The axial reciprocating of rotary drum inner casing is turned back and joined end to end, every layer of heat-conducting oil heating coil pipe be parallel to each other and be evenly distributed on it is described
On the heat exchange face of cylinder that the inwall of rotary drum inner casing is spaced a distance, radial direction of the heat exchange face of cylinder along rotary drum inner casing inner chamber is extremely
One layer is provided with less.
7. rotary drum heating and stirring device according to claim 6, it is characterised in that：The inwall of the rotary drum inner casing is provided with branch
The annular brace circle of each layer heat-conducting oil heating coil pipe is supportted, the two ends of each layer heat-conducting oil heating coil pipe are flush-mounted in the ring respectively
In the inner edge groove of shape bracing ring, it is evenly distributed with the circumference that each annular brace circle is in contact with the rotary drum inner casing many
Individual material through hole.
8. rotary drum heating and stirring device according to claim 1, it is characterised in that：The rotary drum inner casing is by positioned at internal layer
Inner casing stainless steel plate and inner casing carbon steel sheet positioned at outer layer are composited, and the rotor cover is carbon steel sheet, the inner casing carbon steel
Multiple carbon steel support tubes are uniformly connected between plate and the rotor cover.
9. the rotary drum heating and stirring device according to any one of claim 2 to 8, it is characterised in that：The rotary drum driving
Mechanism is with the end rotary drum axle position that vacuumizes in the same side, and the rotary drum drive mechanism includes the reductor driven by main motor,
Head sprocket is installed, described vacuumize is provided with chain gear for drum shaft, described turn on the rotary drum axle of end on the output shaft of the reductor
Drum axle sprocket wheel is connected with the head sprocket by chain drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445832.5U CN206355992U (en) | 2016-12-27 | 2016-12-27 | A kind of rotary drum heating and stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445832.5U CN206355992U (en) | 2016-12-27 | 2016-12-27 | A kind of rotary drum heating and stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206355992U true CN206355992U (en) | 2017-07-28 |
Family
ID=59376665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621445832.5U Withdrawn - After Issue CN206355992U (en) | 2016-12-27 | 2016-12-27 | A kind of rotary drum heating and stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206355992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106732315A (en) * | 2016-12-27 | 2017-05-31 | 扬州惠通化工科技股份有限公司 | A kind of rotary drum heating and stirring device |
| CN115990453A (en) * | 2023-03-22 | 2023-04-21 | 沧州临港安耐吉新材料有限公司 | Preparation device and process of high-barrier MXD6 packaging material |
-
2016
- 2016-12-27 CN CN201621445832.5U patent/CN206355992U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106732315A (en) * | 2016-12-27 | 2017-05-31 | 扬州惠通化工科技股份有限公司 | A kind of rotary drum heating and stirring device |
| CN115990453A (en) * | 2023-03-22 | 2023-04-21 | 沧州临港安耐吉新材料有限公司 | Preparation device and process of high-barrier MXD6 packaging material |
| CN115990453B (en) * | 2023-03-22 | 2023-07-04 | 沧州临港安耐吉新材料有限公司 | Preparation device and process of high-barrier MXD6 packaging material |
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Address after: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Huitong Technology Co.,Ltd. Address before: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU HUITONG CHEMICAL TECHNOLOGY Co.,Ltd. |
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