CN109291297A - A kind of prilling of natural rubber - Google Patents
A kind of prilling of natural rubber Download PDFInfo
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- CN109291297A CN109291297A CN201811052982.3A CN201811052982A CN109291297A CN 109291297 A CN109291297 A CN 109291297A CN 201811052982 A CN201811052982 A CN 201811052982A CN 109291297 A CN109291297 A CN 109291297A
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- granulating cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to technical field of rubber production, specifically a kind of prilling of natural rubber, which, which includes the following steps: to be collected into latex investment blender, is uniformly mixed, and filtering table is arranged below blender, and filtering table aperture is 40 mesh；The latex after removal of impurities is transported in solidification case by conveyer belt, ammonium hydroxide and aluminum sulfate solution is added, stirs and evenly mixs, is condensed to curing state, time 3h；Latex falls into conveyer belt from solidification case bottom, and is transported to spray chamber and is eluted, and elution avoids influencing product quality for cleaning up the flocculating agent of latex surface；Latex passes through spray chamber with conveyer belt, moves to drying box and is dried；Latex is transported in pelletizer by conveyer belt and is granulated；It is packed by the sack filling machine being arranged in pelletizer discharge port, completes granulation process.The present invention simplifies production technology, reduces the generation of intermediate product, and capacity usage ratio is high.
Description
Technical field
The invention belongs to technical field of rubber production, specifically a kind of prilling of natural rubber.
Background technique
Rubber industry is one of important foundation industry of national economy.It is indispensable that it not only provides daily life for people
The light industrys rubber product such as daily, medical, and mentioned to the heavy industry such as digging, traffic, building, machinery, electronics and new industry
For various rubber system production equipments or rubber components.Natural rubber is the principal mode of natural emulsion converted products, processes work
Sequence mainly includes that latex is saved, solidification, dehydration, is granulated and dry etc., there are equipment in current processing technology more, energy consumption height,
Noise pollution and the high problem of exhaust gas wastewater discharge.
Summary of the invention
In order to make up for the deficiencies of the prior art, the prilling of a kind of natural rubber proposed by the present invention.This technique is based on
The dispersed feature of latex itself is directly granulated by adding flocculating agent, simplifies production technology, reduce the use of equipment,
Generation, environmental pollution with intermediate product is small, and technique obviously optimizes.The side that the pelletizer used in this technique passes through heating coil
Formula heats granulating cylinder, saves intermediate conversion medium, and energy loss is small；One layer of heat preservation is wrapped up in granulating cylinder periphery simultaneously
Layer avoids the loss of heat, and water storage cavity is arranged in insulating layer, generates the heating of the water in water storage cavity using heating coil
Steam, steam are re-used as power source and agitating shaft rotation are pushed to realize stirring and binder to rubber, further improve energy
It utilizes.
The technical solution adopted by the present invention to solve the technical problems is: a kind of granulation of natural rubber of the present invention
Technique, the technique include the following steps:
S1: it will be collected into latex investment blender and be uniformly mixed, and filtering table is set below blender, filter disk hole
Diameter is 40 mesh, removes impurity, improves the purity of latex；
After the completion of S2:S1, the latex after removal of impurities is transported in solidification case by conveyer belt, ammonium hydroxide is added and aluminum sulfate is molten
Liquid stirs and evenly mixs, and is condensed to curing state, and time 3h agglomerates latex directly by ammonium hydroxide and aluminum sulfate solution；
After latex completes curing in S3:S2, latex falls into conveyer belt from solidification case bottom, and is transported to spray chamber progress
Elution, elution avoid influencing product quality for cleaning up the flocculating agent of latex surface；
S4: for latex after S3 is eluted, latex passes through spray chamber with conveyer belt, moves to drying box and is dried；
S5: after S4 is dried, latex is transported in pelletizer by conveyer belt and is granulated latex；
It after the completion of S6:S5 is granulated, is packed by the sack filling machine being arranged in pelletizer discharge port, completes granulation process；
Wherein, pelletizer described in S5 include granulating cylinder, granulation disc, cutter, pusher unit, heating coil, drying box,
Air-introduced machine and reclaiming plate, the granulating cylinder are divided into left and right two parts, and the right is cylindrical structure, and the left side is terrace with edge structure, terrace with edge
The end face that structure is contacted with cylindrical structure is circle, and wall thickness are provided with connection cylindrical structure and terrace with edge knot inside granulating cylinder etc.
The cavity of structure, cavity right end extend to the right side of granulating cylinder, and granulating cylinder is provided with feed inlet in the part of terrace with edge structure, charging
Mouth is communicated with cavity, and feed hopper is arranged in the upper end of feed inlet；The granulation disc is fixed on the right side of granulating cylinder, water on granulation disc
Flat be provided with is granulated hole, and the rubber in granulating cylinder realizes granulation after granulation disc；The pusher unit is located in granulating cylinder, pushes away
Material unit is used to make the rubber thermally equivalent in granulating cylinder and completes to be granulated by rubber indentation granulation disc；The cutter, which is located at, to be granulated
The right end face contact of the right side of disk, cutter and granulation disc, cutter realize rotation by the driving of pusher unit；The heating coil is set
It is placed in the interior of granulating cylinder, heating coil is for heating the rubber inside granulating cylinder；The drying box, which is located at, to be made
The right end of grain cylinder, drying box are provided with reclaiming plate diagonally downward below granulation disc, in reclaiming plate in drying cabinet side wall
Extreme lower position is provided with discharge port, and drying box bottom is provided with gas vent；The air-introduced machine is mounted on the top of drying box, draws
Blower guarantees the quality being granulated for cooling down to the rubber grain on reclaiming plate；Wherein,
The pusher unit includes agitating shaft, binder axis, scraping wings, guide rod and driving device, and the agitating shaft left end turns
Dynamic to be mounted on the left side wall of granulating cylinder, agitating shaft left end extends outwardly across granulating cylinder, and agitating shaft is located at the terrace with edge of granulating cylinder
In structure, the circumferential surface of agitating shaft is provided with two-way spiral groove, and agitating shaft right side is provided with rectangular step in the axial direction
Counterbore, agitating shaft are provided with piston rod in rectangular step counterbore；The piston rod section is rectangle, and piston rod right end extends
Agitating shaft, the right end of piston rod is horizontally disposed hexagonal prisms, and the right side of hexagonal prisms is horizontally disposed hexagonal pyramid, and rectangular step is heavy
The bottom storage in hole has mercury；The binder axis right end is rotatably installed on granulation disc, and it is outside that binder axis right end passes through granulation disc
Extend, cutter is mounted on the right end of binder axis, and for binder axle position in the cylindrical structure of granulating cylinder, binder axis and agitating shaft are coaxial
Horizontally disposed, binder axis surface is provided with flight, and the highest point of flight is contacted with the inner wall of granulating cylinder, binder axis with work
The corresponding position of stopper rod is provided with deep gouge, and deep gouge is to be fastened on the hexagonal prisms of piston rod and hexagonal pyramid in deep gouge；It is described to push away
Flitch middle position is horizontally disposed in the axial direction through-hole, and agitating shaft passes through the through-hole of scraping wings, is provided with sliding pin in through-hole,
Sliding pin is located in the two-way spiral groove of agitating shaft, and the bellmouth of perforation left and right end face, the left end of bellmouth are provided on scraping wings
Opening is greater than right-end openings, and the design of bellmouth enables rubber by scraping wings side-to-side movement, realizes the stirring to rubber,
Improve the heated uniformity of rubber, while when scraping wings moves right, rubber is more difficult to pass through bellmouth, so as to by rubber to
Right promotion, when scraping wings moves downward, rubber is easier to across bellmouth, so that the rubber on the right side of scraping wings is supplemented,
It realizes and pushes rubber to the right；The guide rod is horizontally fixed in granulating cylinder, is provided on scraping wings and is led for what guide rod passed through
Xiang Kong, the pilot hole that guide rod passes through scraping wings realize the guiding to scraping wings；The driving device is located at the outside of granulating cylinder, drives
Dynamic device is mounted on the left end of agitating shaft, driving device for realizing agitating shaft rotation.When work, smashed rubber is passed through
Feed hopper is fallen into granulating cylinder, and granulating cylinder is heated in heating coil energization, is increased the cavity temperature inside granulating cylinder, is made
Rubber softening in grain cylinder, during this, driving device rotates agitating shaft, and agitating shaft drives scraping wings to come in granulating cylinder
Return is dynamic, stirs to the rubber in granulating cylinder, is heated evenly rubber, improves working efficiency, is granulated item when rubber meets
When part, the mercury expanded by heating in agitating shaft rectangular step counterbore pushes piston rod to extend to the right, the hexagonal prisms of piston rod right end
It is caught in hexagonal pyramid in the deep gouge of binder axis, so that agitating shaft drives binder axis to rotate synchronously, the flight on binder axis will be soft
The rubber of change pushes granulation disc to, and after rubber passes through the granulation hole of granulation disc, due to cutter as binder axis rotates, cutter is periodical
Ground carries out cutting to the rubber that granulation disc right end squeezes out and realizes granulation, and rubber is fallen into the reclaiming plate of drying box after cutting granulation
On, while air-introduced machine work cools down to rubber grain, makes rubber grain curing molding, rubber grain after cooling is by going out
Material mouth outflow, which is realized, collects.
Insulating layer, water tank and suction pump is arranged in the outer surface of the granulating cylinder, is provided with water storage cavity, water storage cavity in insulating layer
Liquid water is inside stored, water inlet is provided on insulating layer and is communicated with water storage cavity, granulating cylinder is provided with steam jet on left side,
The water storage cavity of insulating layer is connected by tracheae with steam jet, and the water inlet of water storage cavity passes through water pipe and water tank and suction pump phase
Even, suction pump is for supplying the water in water tank into water storage cavity；The driving device is impeller, and steam jet is located at impeller
Side, steam jet are used to spray steam drive wheel rotation to impeller.When heating coil heats granulating cylinder, insulating layer
The heated generation steam of water in water storage cavity, passes through steam jet after the transmission of steam transtracheal and sprays, the steam drive impeller of ejection
Rotation, impeller drives agitating shaft to realize rotation, to save the consumption of energy.
Oscillating deck is set in the pusher plate end face and cylinder, oscillating deck one end are hinged on the end face of scraping wings；The gas
Cylinder one end is hinged on the end face of scraping wings, and the cylinder other end is hinged on the middle part of oscillating deck, mercury, oscillating deck are stored in cylinder
Connection is realized by spring one between granulating cylinder left side, spring one is in compressive state.When temperature is lower in granulating cylinder, pendulum
Angle between movable plate and horizontal plane is smaller, and oscillating deck stirs the rubber in granulating cylinder with scraping wings, accelerates rubber
It is heated；When temperature is higher, mercury expanded by heating in cylinder increases the angle between oscillating deck and horizontal plane, thus
So that scraping wings is preferably pushed rubber to the right, improves the effect of pusher.
The reclaiming plate includes connecting rod and fixed link, and reclaiming plate is set as at least two layers from left to right, and reclaiming plate is in
Right side tilts down setting, and the reclaiming plate on right side is lower than the highest point of adjacent left-hand reclaiming plate, higher than adjacent left-hand reclaiming plate
Minimum point, and the gap between adjacent two layers reclaiming plate is gradually increased along direction diagonally downward, reclaiming plate is and drying box
Right side wall contact, discharge port is arranged in corresponding with reclaiming plate position to drying box on the right side wall, and each layer of reclaiming plate is corresponding
One discharge port；The connecting rod is horizontally arranged on the front and rear wall of drying box, and the upper end of fixed link is fixed in connecting rod, Gu
Fixed pole is located at the right side of connecting rod, and fixed link is arranged in connecting rod along gaps such as the length directions of connecting rod, adjacent fixed link
Gap be less than rubber grain partial size.Rubber grain after cutter is cut is fallen on reclaiming plate, since reclaiming plate inclination is set
It is equipped with multilayer, rubber grain is fallen under the effect of gravity in the fixed link of each layer, realizes the Scatter Gather of rubber grain, a side
Face improves cooling effect, on the other hand also avoids the mutual extrusion between rubber grain and causes to deform, influences product product
Matter.
The fixed link center is provided with water hole one, length of the connecting rod center along connecting rod along the axis direction of fixed link
Degree direction is provided with water hole two, and one one end of water hole extends to connecting rod to be communicated with water hole two, and one end of water hole two is prolonged
Reach the end of connecting rod；The suction pump is communicated with water hole one by water pipe, and water hole two passes through water pipe and water storage cavity
Water inlet is connected.When water in water tank is supplemented through suction pump to the water storage cavity of insulating layer, water initially enters the water hole of fixed link
One, so that water is heated up by the residual temperature of rubber grain, then water is flowed out from the water hole two of connecting rod, then adds to storage by water pipe
In water cavity, the cooling to rubber grain is on the one hand accelerated, the temperature of water in water storage cavity is on the other hand also improved, saves energy
Amount, ensure that quantity of steam, to realize going on smoothly for work.
Material shaking plate is arranged in the lower section of feed inlet in the granulating cylinder；Material shaking plate upper end is hinged on the side wall of granulating cylinder
On, spring two and air bag are provided between material shaking plate middle position and granulating cylinder side wall；Described two one end of spring connects material shaking plate,
Two other end of spring is connected with granulating cylinder side wall；The air bag is elastic balloon, and the gas outlet of air bag passes through tracheae and steam
Check valve is arranged in the position of gas outlet in spray head connection, air bag.Smashed rubber falls into granulation by feed inlet in feed hopper
When in cylinder, rubber is fallen on material shaking plate, is shaken material shaking plate, is not in heap when on the one hand falling on rubber in granulating cylinder
Product, another aspect material shaking plate make elastic balloon generate compressed air when shaking, compressed air is sprayed by steam jet, push leaf
Wheel rotation, is just able to achieve rotation in the charging stage to realize agitating shaft, improves the heated effect of rubber.
Beneficial effects of the present invention are as follows:
1. a kind of prilling of natural rubber of the present invention, dispersed feature of this technique based on latex itself,
It is directly granulated by adding flocculating agent, simplifies production technology, reduce the use of equipment and the generation of intermediate product, environment
Pollute small, technique obviously optimizes.In this technique using pelletizer by heating coil by the way of granulating cylinder is heated, save
Intermediate conversion medium is gone, energy loss is small；One layer of heat preservation layer is wrapped up in granulating cylinder periphery simultaneously, avoids the loss of heat,
And water storage cavity is set in insulating layer, so that the heating of the water in water storage cavity is generated steam using heating coil, steam is re-used as power
Source pushes agitating shaft rotation to realize stirring and binder to rubber, further improves the utilization of energy.
2. a kind of prilling of natural rubber of the present invention, the pelletizer used in this technique passes through setting multilayer
Reclaiming plate, the particle after completing granulation, which is fallen on, skids off discharge port in fixed link and under the effect of gravity along fixed link, and multilayer goes out
The design of flitch realizes the Scatter Gather of rubber grain, on the one hand improves cooling effect, on the other hand also avoids rubber
Mutual extrusion between glue particle causes to deform, to improve the quality of product.
3. a kind of prilling of natural rubber of the present invention, the pelletizer used in this technique is by being respectively set
Agitating shaft and binder axis stir the rubber in granulating cylinder by agitating shaft, are heated evenly rubber, and work effect is improved
Rate, when rubber meets granulation conditions, the mercury expanded by heating in agitating shaft rectangular step counterbore pushes piston rod to extend to the right,
It is caught in the deep gouge of binder axis, so that agitating shaft drives binder axis to rotate synchronously, makes binder axis that flight be driven to be granulated, one
Aspect makes rubber be heated evenly, improve work efficiency by stirring；On the other hand, when can control rubber and reaching prilling temperature
Just carrying out binder avoids rubber from heated deficiency occur, to ensure that the quality of granulation.
Detailed description of the invention
Fig. 1 is process flow chart of the invention；
Fig. 2 is the main view of pelletizer of the present invention；
Fig. 3 is the A-A cross-sectional view in Fig. 2 of the present invention；
In figure: granulating cylinder 1, granulation disc 2, cutter 3, pusher unit 4, heating coil 5, drying box 6, air-introduced machine 7, reclaiming plate
8, feed hopper 11, granulation hole 21, discharge port 62, gas vent 61, agitating shaft 41, binder axis 42, scraping wings 43, guide rod 44, drive
Dynamic device 45, rectangular step counterbore 411, piston rod 46, flight 47, deep gouge 421, bellmouth 431, insulating layer 12, water tank 13,
Suction pump 14, water storage cavity 121, steam jet 15, oscillating deck 48, cylinder 49, connecting rod 81, fixed link 82, water hole 1,
Water hole 2 811, material shaking plate 9, air bag 10.
Specific embodiment
It is carried out using prilling of Fig. 1-Fig. 3 to a kind of natural rubber of an embodiment of the present invention as described below.
As depicted in figs. 1 and 2, a kind of prilling of natural rubber of the present invention, the technique include the following steps:
S1: it will be collected into latex investment blender and be uniformly mixed, and filtering table is set below blender, filter disk hole
Diameter is 40 mesh, removes impurity, improves the purity of latex；
After the completion of S2:S1, the latex after removal of impurities is transported in solidification case by conveyer belt, ammonium hydroxide is added and aluminum sulfate is molten
Liquid stirs and evenly mixs, and is condensed to curing state, and time 3h agglomerates latex directly by ammonium hydroxide and aluminum sulfate solution；
After latex completes curing in S3:S2, latex falls into conveyer belt from solidification case bottom, and is transported to spray chamber progress
Elution, elution avoid influencing product quality for cleaning up the flocculating agent of latex surface；
S4: for latex after S3 is eluted, latex passes through spray chamber with conveyer belt, moves to drying box and is dried；
S5: after S4 is dried, latex is transported in pelletizer by conveyer belt and is granulated latex；
It after the completion of S6:S5 is granulated, is packed by the sack filling machine being arranged in pelletizer discharge port, completes granulation process；
Wherein, pelletizer described in S5 includes granulating cylinder 1, granulation disc 2, cutter 3, pusher unit 4, heating coil 5, does
Dry case 6, air-introduced machine 7 and reclaiming plate 8, the granulating cylinder 1 divide for left and right two parts, and the right is cylindrical structure, and the left side is terrace with edge
Structure, the end face that terrace with edge structure is contacted with cylindrical structure are circle, and the wall thickness such as 1 inside of granulating cylinder are provided with connection cylindrical type knot
The cavity of structure and terrace with edge structure, cavity right end extend to the right side of granulating cylinder 1, and granulating cylinder 1 is arranged in the part of terrace with edge structure
There is feed inlet, feed inlet is communicated with cavity, and feed hopper 11 is arranged in the upper end of feed inlet；The granulation disc 2 is fixed on granulating cylinder 1
Right side, is horizontally disposed on granulation disc 2 to have and is granulated hole 21, and the rubber in granulating cylinder 1 realizes granulation after granulation disc 2；It is described
Pusher unit 4 is located in granulating cylinder 1, and pusher unit 4 is used to make the rubber thermally equivalent in granulating cylinder 1 and is pressed into rubber to be granulated
Disk 2 is completed to be granulated；The cutter 3 is located at the right side of granulation disc 2, and the right end face contact of cutter 3 and granulation disc 2, cutter 3 is by pushing away
Rotation is realized in the driving of material unit 4；The heating coil 5 is set to the interior of granulating cylinder 1, and heating coil 5 is used for granulation
Rubber inside cylinder 1 is heated；The drying box 6 is located at the right end of granulating cylinder 1, and drying box 6 is arranged in the lower section of granulation disc 2
There is a reclaiming plate 8 diagonally downward, the extreme lower position on 6 side wall of drying box in reclaiming plate 8 is provided with discharge port 62,6 bottom of drying box
Portion is provided with gas vent 61；The air-introduced machine 7 is mounted on the top of drying box 6, and air-introduced machine 7 is used for the rubber on reclaiming plate 8
Glue particle cools down, and guarantees the quality being granulated；Wherein,
The pusher unit 4 includes agitating shaft 41, binder axis 42, scraping wings 43, guide rod 44 and driving device 45, described to stir
It mixes 41 left end of axis to be rotatably installed on the left side wall of granulating cylinder 1,41 left end of agitating shaft passes through granulating cylinder 1 and extends outwardly, agitating shaft
41 are located in the terrace with edge structure of granulating cylinder 1, and the circumferential surface of agitating shaft 41 is provided with two-way spiral groove, 41 right side edge of agitating shaft
Axis direction is provided with rectangular step counterbore 411, and agitating shaft 41 is provided with piston rod 46 in rectangular step counterbore 411；It is described
46 section of piston rod is rectangle, and 46 right end of piston rod extends agitating shaft 41, and the right end of piston rod 46 is horizontally disposed hexagonal prisms,
The right side of hexagonal prisms is horizontally disposed hexagonal pyramid, and the bottom storage of rectangular step counterbore 411 has mercury；The binder axis 42 is right
End is rotatably installed on granulation disc 2, and 42 right end of binder axis passes through granulation disc 2 and extends outwardly, and cutter 3 is mounted on the right side of binder axis 42
End, binder axis 42 are located in the cylindrical structure of granulating cylinder 1, and binder axis 42 is coaxial horizontally disposed with agitating shaft 41, binder axis 42
Surface is provided with flight 47, and the highest point of flight 47 is contacted with the inner wall of granulating cylinder 1, binder axis 42 with 46 phase of piston rod
Corresponding position is provided with deep gouge 421, and deep gouge 421 is to be fastened on the hexagonal prisms of piston rod 46 and hexagonal pyramid in deep gouge 421；Institute
Stating 43 middle position of scraping wings and being horizontally disposed in the axial direction has a through-hole, and agitating shaft 41 passes through the through-hole of scraping wings 43, in through-hole
It is provided with sliding pin, sliding pin is located in the two-way spiral groove of agitating shaft 41, and the taper of perforation left and right end face is provided on scraping wings 43
The left end opening in hole 431, bellmouth 431 is greater than right-end openings, and the design of bellmouth 431 enables rubber to pass through scraping wings 43
Stirring to rubber is realized in side-to-side movement, improves the heated uniformity of rubber, while when scraping wings 43 moves right, rubber compared with
Hardly possible passes through bellmouth 431, and so as to push rubber to the right, when scraping wings 43 moves downward, rubber is easier to across taper
Hole 431 realizes to supplement the rubber on 43 right side of scraping wings and pushes rubber to the right；The guide rod 44 is horizontal solid
It is scheduled in granulating cylinder 1, the pilot hole passed through for guide rod 44 is provided on scraping wings 43, guide rod 44 passes through the pilot hole of scraping wings 43
Realize the guiding to scraping wings 43；The driving device 45 is located at the outside of granulating cylinder 1, and driving device 45 is mounted on agitating shaft 41
Left end, driving device 45 for realizing agitating shaft 41 rotation.When work, smashed rubber is fallen into through feed hopper 11 and is made
In grain cylinder 1, granulating cylinder 1 is heated in the energization of heating coil 5, increases the cavity temperature inside granulating cylinder 1, in granulating cylinder 1
Rubber softening, during this, driving device 45 make agitating shaft 41 rotate, agitating shaft 41 drive scraping wings 43 in granulating cylinder 1
Inside move back and forth, the rubber in granulating cylinder 1 is stirred, rubber is heated evenly, improve working efficiency, when rubber satisfaction is made
When grain condition, the mercury expanded by heating in 41 rectangular step counterbore 411 of agitating shaft pushes piston rod 46 to extend to the right, piston rod 46
The hexagonal prisms and hexagonal pyramid of right end are caught in the deep gouge 421 of binder axis 42, so that agitating shaft 41 drives binder axis 42 to rotate synchronously,
Flight 47 on binder axis 42 pushes the rubber of softening to granulation disc 2, after rubber passes through the granulation hole 21 of granulation disc 2, due to
Cutter 3 is rotated with binder axis 42, and the rubber that cutter 3 periodically squeezes out 2 right end of granulation disc carries out cutting and realizes granulation, rubber
Glue is fallen on the reclaiming plate 8 of drying box 6 after cutting granulation, while the work of air-introduced machine 7 cools down to rubber grain, makes rubber
Particles cured molding, rubber grain after cooling are realized by the outflow of discharge port 62 and are collected.
As shown in Fig. 2, outer surface setting insulating layer 12, water tank 13 and the suction pump 14 of the granulating cylinder 1, in insulating layer 12
It is provided with water storage cavity 121, liquid water is stored in water storage cavity 121, water inlet and 121 phase of water storage cavity are provided on insulating layer 12
It is logical, steam jet 15 is provided on 1 left side of granulating cylinder, the water storage cavity 121 of insulating layer 12 passes through tracheae and 15 phase of steam jet
Even, the water inlet of water storage cavity 121 is connected by water pipe and water tank 13 with suction pump 14, and suction pump 14 is used for the water in water tank 13
It is supplied into water storage cavity 121；The driving device 45 is impeller, and steam jet 15 is located at the side of impeller, and steam jet 15 is used
In to impeller spray steam drive wheel rotation.When heating coil 5 heats granulating cylinder 1, in 12 water storage cavity 121 of insulating layer
Water it is heated generate steam, sprayed after the transmission of steam transtracheal by steam jet 15, the steam drive wheel rotation of ejection, leaf
Wheel drives agitating shaft 41 to realize rotation, to save the consumption of energy.
As shown in Fig. 2, oscillating deck 48 and cylinder 49 are arranged on 43 end face of scraping wings, 48 one end of oscillating deck, which is hinged on, to be pushed away
The end face of flitch 43；Described 49 one end of cylinder is hinged on the end face of scraping wings 43, and 49 other end of cylinder is hinged on oscillating deck 48
Middle part, stores mercury in cylinder 49, realizes connection, spring one by spring one between 1 left side of oscillating deck 48 and granulating cylinder
In compressive state.When temperature is lower in granulating cylinder 1, the angle between oscillating deck 48 and horizontal plane is smaller, oscillating deck 48 with
Scraping wings 43 stirs the rubber in granulating cylinder 1, accelerates the heated of rubber；Mercury when temperature is higher, in cylinder 49
Expanded by heating increases the angle between oscillating deck 48 and horizontal plane, thus enable scraping wings 43 preferably by rubber to the right
Side push, improves the effect of pusher.
As shown in Figures 2 and 3, the reclaiming plate 8 includes connecting rod 81 and fixed link 82, and reclaiming plate 8 is arranged from left to right
It is at least two layers, reclaiming plate 8 tilts down setting in right side, and the reclaiming plate 8 on right side is lower than the highest of adjacent left-hand reclaiming plate 8
Point, higher than the minimum point of adjacent left-hand reclaiming plate 8, and the gap between adjacent two layers reclaiming plate 8 is along direction diagonally downward
It is gradually increased, reclaiming plate 8 is contacted with the right side wall of drying box 6, the position corresponding with reclaiming plate 8 on the right side wall of drying box 6
Install discharge port 62, the corresponding discharge port 62 of each layer of reclaiming plate 8；The connecting rod 81 is horizontally arranged at drying box 6
On front and rear wall, the upper end of fixed link 82 is fixed in connecting rod 81, and fixed link 82 is located at the right side of connecting rod 81, and fixed link 82 exists
It arranges in connecting rod 81 along gaps such as the length directions of connecting rod 81, the gap of adjacent fixed link 82 is less than the grain of rubber grain
Diameter.Rubber grain after the cutting of cutter 3 is fallen on reclaiming plate 8, and since reclaiming plate 8 is tiltedly installed with multilayer, rubber grain exists
It is fallen under gravity in the fixed link 82 of each layer, realizes the Scatter Gather of rubber grain, on the one hand improve cooling effect
On the other hand fruit also avoids the mutual extrusion between rubber grain and causes to deform, influences product quality.
As shown in figure 3,82 center of fixed link is provided with water hole 1 along the axis direction of fixed link 82, connection
81 center of bar is provided with water hole 2 811 along the length direction of connecting rod 81, one 821 one end of water hole to connecting rod 81 extend with
Water hole 2 811 communicates, and one end of water hole 2 811 extends to the end of connecting rod 81；The suction pump 14 by water pipe with
Water hole 1 communicates, and water hole 2 811 is connected by water pipe with the water inlet of water storage cavity 121.Water in water tank 13 is through drawing water
When pump 14 is supplemented to the water storage cavity 121 of insulating layer 12, water initially enters the water hole 1 of fixed link 82, passes through rubber grain
Residual temperature so that water is heated up, then water is flowed out from the water hole 2 811 of connecting rod 81, then is added in water storage cavity 121 by water pipe,
On the one hand the cooling to rubber grain is accelerated, the temperature of water in water storage cavity 121 is on the other hand also improved, saves energy,
It ensure that quantity of steam, to realize going on smoothly for work.
As shown in Fig. 2, material shaking plate 9 is arranged in the lower section of feed inlet in the granulating cylinder 1；9 upper end of material shaking plate is hinged on
On the side wall of granulating cylinder 1, spring two and air bag 10 are provided between 1 side wall of 9 middle position of material shaking plate and granulating cylinder；The spring
Two one end connect material shaking plate 9, and two other end of spring is connected with 1 side wall of granulating cylinder；The air bag 10 is elastic balloon 10, air bag
10 gas outlet is connect by tracheae with steam jet 15, and check valve is arranged in the position of gas outlet in air bag 10.In feed hopper 11
When smashed rubber is fallen into granulating cylinder 1 by feed inlet, rubber is fallen on material shaking plate 9, shakes material shaking plate 9, and one
Aspect makes rubber be not in accumulation when falling in granulating cylinder 1, and another aspect material shaking plate 9 makes elastic balloon 10 generate pressure when shaking
Contracting air, compressed air are sprayed by steam jet 15, and wheel rotation is pushed, thus realize agitating shaft 41 the charging stage just
It is able to achieve rotation, improves the heated effect of rubber.
Detailed process is as follows:
When work, smashed rubber is fallen into granulating cylinder 1 through feed hopper 11, heating coil 5 be powered to granulating cylinder 1 into
Row heating, increases the cavity temperature inside granulating cylinder 1, the rubber softening in granulating cylinder 1, during this, driving device 45
Rotate agitating shaft 41, agitating shaft 41 drives scraping wings 43 to move back and forth in granulating cylinder 1, carries out to the rubber in granulating cylinder 1
Agitation, is heated evenly rubber, improves working efficiency, when rubber meets granulation conditions, 41 rectangular step counterbore 411 of agitating shaft
Interior mercury expanded by heating pushes piston rod 46 to extend to the right, and the hexagonal prisms and hexagonal pyramid of 46 right end of piston rod are caught in binder axis 42
Deep gouge 421 in, so that agitating shaft 41 drives binder axis 42 to rotate synchronously, the flight 47 on binder axis 42 is by the rubber of softening
Push granulation disc 2 to, after rubber passes through the granulation hole 21 of granulation disc 2, due to cutter 3 as binder axis 42 rotates, cutter 3 is periodically
The rubber that ground squeezes out 2 right end of granulation disc carries out cutting and realizes granulation, and rubber is fallen into the reclaiming plate of drying box 6 after cutting granulation
On 8, while the work of air-introduced machine 7 cools down to rubber grain, makes rubber grain curing molding, rubber grain after cooling passes through
The outflow of discharge port 62, which is realized, collects.When heating coil 5 heats granulating cylinder 1, the water in 12 water storage cavity 121 of insulating layer is heated
Steam is generated, is sprayed after the transmission of steam transtracheal by steam jet 15, the steam drive wheel rotation of ejection, impeller drive is stirred
It mixes axis 41 and realizes rotation, to save the consumption of energy.
When temperature is lower in granulating cylinder 1, the angle between oscillating deck 48 and horizontal plane is smaller, and oscillating deck 48 is with scraping wings
Rubber in 43 pairs of granulating cylinders 1 stirs, and accelerates the heated of rubber；When temperature is higher, the mercury in cylinder 49 is heated swollen
It is swollen, increase the angle between oscillating deck 48 and horizontal plane, so that scraping wings 43 is enable preferably to push rubber to the right,
Improve the effect of pusher.
Rubber grain after the cutting of cutter 3 is fallen on reclaiming plate 8, since reclaiming plate 8 is tiltedly installed with multilayer, rubber
Grain is fallen under the effect of gravity in the fixed link 82 of each layer, is realized the Scatter Gather of rubber grain, is on the one hand improved cooling
Effect, on the other hand also avoid the mutual extrusion between rubber grain and cause to deform, influence product quality.In water tank 13
When water is supplemented through suction pump 14 to the water storage cavity 121 of insulating layer 12, water initially enters the water hole 1 of fixed link 82, passes through
The residual temperature of rubber grain makes water heat up, and then water is flowed out from the water hole 2 811 of connecting rod 81, then adds to water storage by water pipe
In chamber 121, the cooling to rubber grain is on the one hand accelerated, on the other hand also improves the temperature of water in water storage cavity 121, is saved
Energy, ensure that quantity of steam, to realize going on smoothly for work.
When smashed rubber is fallen into granulating cylinder 1 by feed inlet in feed hopper 11, rubber is fallen on material shaking plate 9, is made
Material shaking plate 9 is shaken, and on the one hand making rubber is not in accumulation when falling in granulating cylinder 1, when another aspect material shaking plate 9 is shaken
Elastic balloon 10 is set to generate compressed air, compressed air is sprayed by steam jet 15, is pushed wheel rotation, is stirred to realize
It mixes axis 41 and is just able to achieve rotation in the charging stage, improve the heated effect of rubber.
More than, it is illustrated about one embodiment of the present invention, but the present invention is not limited to the above embodiments,
It does not depart from and is able to carry out various changes in the range of present subject matter.
Industrial applicibility
According to the present invention, the prilling of this natural rubber, dispersed feature of this technique based on latex itself, by adding
Add flocculating agent to be directly granulated, simplifies production technology, reduce the use of equipment and the generation of intermediate product, technique is obviously excellent
Change, so that the prilling of this natural rubber is useful in rubber production field.
Claims (6)
1. a kind of prilling of natural rubber, it is characterised in that: the technique includes the following steps:
S1: it will be collected into latex investment blender and be uniformly mixed, and filtering table is set below blender, filtering table aperture is
40 mesh remove impurity；
After the completion of S2:S1, the latex after removal of impurities is transported in solidification case by conveyer belt, ammonium hydroxide and aluminum sulfate solution is added,
It stirs and evenly mixs, is condensed to curing state, time 3h；
After latex completes curing in S3:S2, latex falls into conveyer belt from solidification case bottom, and is transported to spray chamber and is drenched
It washes；
S4: for latex after S3 is eluted, latex passes through spray chamber with conveyer belt, moves to drying box and is dried；
S5: after S4 is dried, latex is transported in pelletizer by conveyer belt and is granulated latex；
It after the completion of S6:S5 is granulated, is packed by the sack filling machine being arranged in pelletizer discharge port, completes granulation process；
Wherein, pelletizer described in S5 includes granulating cylinder (1), granulation disc (2), cutter (3), pusher unit (4), heating coil
(5), drying box (6), air-introduced machine (7) and reclaiming plate (8), the granulating cylinder (1) are divided into left and right two parts, and the right is cylindrical type knot
Structure, the left side are terrace with edge structure, and the end face that terrace with edge structure is contacted with cylindrical structure is circle, and the wall thickness such as granulating cylinder (1) inside are set
It is equipped with the cavity of connection cylindrical structure and terrace with edge structure, cavity right end extends to the right side of granulating cylinder (1), granulating cylinder (1)
The part of terrace with edge structure is provided with feed inlet, feed inlet is communicated with cavity, and feed hopper (11) are arranged in the upper end of feed inlet；It is described
Granulation disc (2) is fixed on the right side of granulating cylinder (1), and being horizontally disposed on granulation disc (2) has granulation hole (21), in granulating cylinder (1)
Rubber granulation is realized after granulation disc (2)；The pusher unit (4) is located in granulating cylinder (1), and pusher unit (4) is used for
Make the rubber thermally equivalent in granulating cylinder (1) and completes to be granulated by rubber indentation granulation disc (2)；The cutter (3), which is located at, to be granulated
The right side of disk (2), the right end face contact of cutter (3) and granulation disc (2), cutter (3) is realized by pusher unit (4) driving to be turned
It is dynamic；The heating coil (5) is set to the interior of granulating cylinder (1), and heating coil (5) is used for internal to granulating cylinder (1)
Rubber is heated；The drying box (6) is located at the right end of granulating cylinder (1), and drying box (6) is arranged in the lower section of granulation disc (2)
There is a reclaiming plate (8) diagonally downward, the extreme lower position on drying box (6) side wall in reclaiming plate (8) is provided with discharge port (62), does
Dry case (6) bottom is provided with gas vent (61)；The air-introduced machine (7) is mounted on the top of drying box (6), and air-introduced machine (7) is used
Cool down in the rubber grain on reclaiming plate (8), guarantees the quality being granulated；Wherein,
The pusher unit (4) includes agitating shaft (41), binder axis (42), scraping wings (43), guide rod (44) and driving device
(45), agitating shaft (41) left end is rotatably installed on the left side wall of granulating cylinder (1), and agitating shaft (41) left end passes through granulating cylinder
(1) extend outwardly, agitating shaft (41) is located in the terrace with edge structure of granulating cylinder (1), and the circumferential surface of agitating shaft (41) is provided with double
To helicla flute, agitating shaft (41) right side is provided with rectangular step counterbore (411) in the axial direction, and agitating shaft (41) is in rectangle rank
Piston rod (46) are provided in terraced counterbore (411)；Piston rod (46) section is rectangle, and piston rod (46) right end, which extends, to be stirred
It mixes axis (41), the right end of piston rod (46) is horizontally disposed hexagonal prisms, and the right side of hexagonal prisms is horizontally disposed hexagonal pyramid, rectangle
The bottom storage of ladder counterbore (411) has mercury；Binder axis (42) right end is rotatably installed on granulation disc (2), binder axis
(42) right end passes through granulation disc (2) and extends outwardly, and cutter (3) is mounted on the right end of binder axis (42), and binder axis (42), which is located at, to be made
In the cylindrical structure of grain cylinder (1), binder axis (42) is coaxial horizontally disposed with agitating shaft (41), and binder axis (42) surface is provided with
The highest point of flight (47), flight (47) is contacted with the inner wall of granulating cylinder (1), binder axis (42) with piston rod (46) phase
Corresponding position is provided with deep gouge (421), and deep gouge (421) is that the hexagonal prisms of piston rod (46) and hexagonal pyramid is made to be fastened on deep gouge
(421) in；Scraping wings (43) middle position is horizontally disposed in the axial direction through-hole, and agitating shaft (41) passes through scraping wings
(43) through-hole is provided with sliding pin in through-hole, and sliding pin is located in the two-way spiral groove of agitating shaft (41), and scraping wings is arranged on (43)
There is the bellmouth (431) of perforation left and right end face, the left end opening of bellmouth (431) is greater than right-end openings；Guide rod (44) water
It is flat to be fixed in granulating cylinder (1), the pilot hole passed through for guide rod (44) is provided on scraping wings (43), guide rod (44) passes through pusher
The pilot hole of plate (43) realizes the guiding to scraping wings (43)；The driving device (45) is located at the outside of granulating cylinder (1), driving
Device (45) is mounted on the left end of agitating shaft (41), driving device (45) for realizing agitating shaft (41) rotation.
2. a kind of prilling of natural rubber according to claim 1, it is characterised in that: outside the granulating cylinder (1)
Insulating layer (12), water tank (13) and suction pump (14) is arranged in surface, is provided with water storage cavity (121), water storage cavity in insulating layer (12)
(121) liquid water is stored in, water inlet is provided on insulating layer (12) and is communicated with water storage cavity (121), granulating cylinder (1) left side
On be provided with steam jet (15), the water storage cavity (121) of insulating layer (12) is connected by tracheae with steam jet (15), water storage cavity
(121) water inlet is connected by water pipe and water tank (13) with suction pump (14), and suction pump (14) is used for will be in water tank (13)
Water supply into water storage cavity (121)；The driving device (45) is impeller, and steam jet (15) is located at the side of impeller, steam
Spray head (15) is used to spray steam drive wheel rotation to impeller.
3. a kind of prilling of natural rubber according to claim 1, it is characterised in that: scraping wings (43) end face
Upper setting oscillating deck (48) and cylinder (49), oscillating deck (48) one end are hinged on the end face of scraping wings (43)；The cylinder (49)
One end is hinged on the end face of scraping wings (43), and cylinder (49) other end is hinged on the middle part of oscillating deck (48), storage in cylinder (49)
There is mercury, connection is realized by spring one between oscillating deck (48) and granulating cylinder (1) left side, spring one is in compression shape
State.
4. a kind of prilling of natural rubber according to claim 2, it is characterised in that: the reclaiming plate (8) includes
Connecting rod (81) and fixed link (82), reclaiming plate (8) are set as at least two layers from left to right, and reclaiming plate (8) is downward in right side
It is obliquely installed, the reclaiming plate (8) on right side is lower than the highest point of adjacent left-hand reclaiming plate (8), is higher than adjacent left-hand reclaiming plate (8)
Minimum point, and the gap between adjacent two layers reclaiming plate (8) is gradually increased along direction diagonally downward, reclaiming plate (8) with
The right side wall of drying box (6) contacts, and discharge port is arranged in position corresponding with reclaiming plate (8) to drying box (6) on the right side wall
(62), the corresponding discharge port (62) of each layer of reclaiming plate (8)；Before the connecting rod (81) is horizontally arranged at drying box (6)
On rear wall, the upper end of fixed link (82) is fixed on connecting rod (81), and fixed link (82) is located at the right side of connecting rod (81), fixed
Bar (82) is arranged on connecting rod (81) along gaps such as the length directions of connecting rod (81), and the gap of adjacent fixed link (82) is less than
The partial size of rubber grain.
5. a kind of prilling of natural rubber according to claim 4, it is characterised in that: fixed link (82) center
The axis direction of fixed link (82) is provided with water hole one (821), length side of connecting rod (81) center along connecting rod (81)
To water hole two (811) is provided with, water hole one (821) one end extends to connecting rod (81) to be communicated with water hole two (811), mistake
The one end in water hole two (811) extends to the end of connecting rod (81)；The suction pump (14) passes through water pipe and water hole one (821)
It communicates, water hole two (811) is connected by water pipe with the water inlet of water storage cavity (121).
6. a kind of prilling of natural rubber according to claim 2, it is characterised in that: the granulating cylinder (1) into
Material shaking plate (9) are arranged in the lower section of material mouth；Material shaking plate (9) upper end is hinged on the side wall of granulating cylinder (1), in material shaking plate (9)
Between be provided with spring two and air bag (10) between position and granulating cylinder (1) side wall；Described two one end of spring connects material shaking plate (9),
Two other end of spring is connected with granulating cylinder (1) side wall；The air bag (10) is elastic balloon (10), the gas outlet of air bag (10)
It is connect by tracheae with steam jet (15), check valve is arranged in the position of gas outlet in air bag (10).
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| CN201811052982.3A CN109291297B (en) | 2018-09-10 | 2018-09-10 | Granulation process of natural rubber |
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