CN113878753B - Granular trans-isoprene rubber post-treatment system - Google Patents
Granular trans-isoprene rubber post-treatment system Download PDFInfo
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- CN113878753B CN113878753B CN202111479841.1A CN202111479841A CN113878753B CN 113878753 B CN113878753 B CN 113878753B CN 202111479841 A CN202111479841 A CN 202111479841A CN 113878753 B CN113878753 B CN 113878753B
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- 229920003049 isoprene rubber Polymers 0.000 title claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 51
- 229920001971 elastomer Polymers 0.000 abstract description 24
- 238000001035 drying Methods 0.000 abstract description 18
- 239000007789 gas Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 19
- 239000000463 material Substances 0.000 description 16
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 10
- 239000011261 inert gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000000693 micelle Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001192 hot extrusion Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920006247 high-performance elastomer Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
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Classifications
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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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of isoprene rubber devices, in particular to a granular trans-isoprene rubber post-treatment system which comprises an inner cylinder, wherein a spiral extrusion rod is arranged in the middle of the inner cylinder, a screen cylinder is sleeved outside the inner cylinder, spiral blades are uniformly arranged on the inner wall of the screen cylinder, one end of the screen cylinder is fixedly connected with a machine head, the machine head is rotatably connected with one end of the inner cylinder, an outer cylinder is sleeved outside the screen cylinder, and the outer cylinder is rotatably connected with the machine head; the automatic rubber particle drying machine comprises an inner cylinder, a machine head, a sieve cylinder, a feeding ring, a discharging ring, a cutter head, a sieve cylinder, a sieve head, a cutter head, a sieve cylinder and a sieve cylinder.
Description
Technical Field
The invention relates to the technical field of isoprene rubber devices, in particular to a granular trans-isoprene rubber post-treatment system.
Background
Isoprene rubber is a high-performance rubber used in tire production, and is widely used in the tire manufacturing industry due to its stable chemical property. It has excellent elasticity, cold resistance (vitrification temp. -68 deg.C) and high tensile strength. The resistance to notch tearing under oxidation and multiple deformation conditions is higher than that of natural rubber, but the processability such as mixing, calendering and the like is slightly poorer than that of natural rubber. With the development of the isoprene rubber industry, the demand of the future society for isoprene will be greater.
Chinese utility model patent (CN 206812270U) has disclosed a granular trans isoprene rubber after-treatment system, this utility model relates to a granular trans isoprene rubber after-treatment system, extrude drying equipment and a set of hot extrusion twin-screw and extrude granulation equipment including two sets of twin-screws, three twin-screw extrusion equipment of group are the series arrangement, three twin-screw extrusion equipment outsides of group all are provided with temperature regulating device, one section every on the barrel sets up the gas that the material devolatilized produced in the gas vent discharge barrel, and be provided with vacuum and condensation recovery unit, hot extrusion twin-screw granulation equipment adopts and carries track air-cooled mode shaping rubber particle, realizes automatic packing.
In the above patent technology, there are problems as follows:
(1) after the water is gone out to rubber micelle, its not only inside contains moisture, and the surface contains moisture, directly extrudees the expansion drying to the micelle through the expansion drying machine, needs to get rid of the inside moisture of micelle and surface moisture simultaneously, leads to the burden of expansion drying machine very big, and drying efficiency is low.
(2) The extrusion surface of the rubber is longitudinal, the rubber particles are also longitudinally arranged when being discharged, and the gas after flashing is also longitudinally discharged upwards, so that the gas evaporated by the lower rubber particles in the longitudinal arrangement collides with the upper rubber particles when the rubber particles are discharged, the evaporated gas is not smoothly discharged, and the evaporation efficiency and effect are reduced.
Disclosure of Invention
The invention aims to provide a granular trans-isoprene rubber post-treatment system to solve the problems in the background technology.
The technical scheme of the invention is as follows: a granular trans-isoprene rubber post-treatment system comprises an inner cylinder, wherein a spiral extrusion rod is arranged in the middle of the inner cylinder, a screen cylinder is sleeved outside the inner cylinder, spiral blades are uniformly arranged on the inner wall of the screen cylinder, a machine head is fixedly connected to one end of the screen cylinder, the machine head is rotatably connected with one end of the inner cylinder, an outer cylinder is sleeved outside the screen cylinder, and the outer cylinder is rotatably connected with the machine head;
the discharging ring is sleeved outside one end of the machine head, small holes are uniformly distributed on the side wall of the discharging ring in a surrounding mode, the small holes are communicated with the inner cavity of the machine head, and a cutter ring is rotatably sleeved outside the discharging ring.
Preferably, the inner cylinder is sleeved with one end of the machine head, a flanging is arranged at one end, close to the machine head, of the inner cylinder, one side of the flanging is connected with one end of a corrugated ring, the other end of the corrugated ring is connected with a flange plate through a compression bolt, and the flange plate is fixedly arranged at the end part of the machine head.
Preferably, an annular convex edge is arranged on the outer wall of one end, close to the outer cylinder, of the machine head, an annular groove is arranged on the inner wall of one end, close to the machine head, of the outer cylinder, and one end of the outer cylinder is sleeved outside the machine head;
a connecting ring is connected between one end of the machine head and the screen drum, the outer wall of the connecting ring is in sliding connection with the inner wall of the outer drum, through holes are distributed around the middle part of the connecting ring, a feed hopper is arranged on the upper side of the outer drum, and the position of the feed hopper corresponds to the position of the connecting ring;
a first high-temperature gas supply pipe penetrates through the middle of the feed hopper;
a notch is formed in the top of one end, far away from the machine head, of the inner cylinder;
preferably, a gap is arranged between the inner wall of the outer barrel and the outer wall of the screen barrel, and one side of the outer barrel is connected with an exhaust fan through an exhaust pipe.
Preferably, a first gear ring is fixedly sleeved outside the machine head, one side of the first gear ring is meshed and connected with a machine head driving gear, and one side of the machine head driving gear is connected with a machine head driving motor;
the handpiece is fixedly provided with a jacket, the side wall of the jacket is provided with a plurality of through holes in an encircling manner, a ring cover is rotatably sleeved outside the jacket, the position of the ring cover corresponds to that of the through holes in the side wall of the jacket, the ring cover is communicated with the inner cavity of the jacket through the through holes in the side wall of the jacket, two sides of the ring cover are respectively provided with a bulge, the bulges are in sliding connection with the part of the outer wall of the jacket provided with the through holes, and the other two sides of the ring cover are respectively provided with a connector.
Preferably, one end of the machine head is rotatably provided with a supercharger, a plurality of round holes are arranged in the supercharger in a surrounding manner, the inner cavity of each round hole is communicated with the inner cavity of the discharge ring, a first one-way valve and a second one-way valve are respectively arranged at one end and one side of each round hole close to the machine head, a piston rod is arranged in each round hole in a sliding manner, one end of each piston rod is connected with one side of a cam disc in a sliding manner through a ball, and the other side of each cam disc is rotatably connected with a rotary drum;
one side of the cam disc is provided with an annular groove, the cross section of the annular groove is in a preferred arc shape, and the structure of the preferred arc shape is matched with that of the ball;
and the inlet of the second one-way valve is connected with one end of a second high-temperature gas supply pipe.
Preferably, the rotary drum is linked with the spiral extrusion rod through a synchronous transmission mechanism, the synchronous transmission mechanism comprises a large gear and a transmission belt, the large gear is fixedly sleeved at one end of the spiral extrusion rod, one side of the large gear is connected with a small gear in a meshing manner, a transmission shaft is fixedly arranged in the middle of the small gear in a penetrating manner, one end of the transmission shaft is sleeved with one end of the transmission belt, and the other end of the transmission belt is sleeved outside the rotary drum;
one end of the spiral extrusion rod is connected with a main motor through a belt.
Preferably, an annular cavity is formed between the inner wall of the discharging ring and the outer wall of the machine head, the annular cavity corresponds to the position of the round hole in the supercharger, the side wall of one end, close to the discharging ring, of the machine head is uniformly provided with discharge holes in a surrounding mode, the discharge holes are horn-shaped, and the opening of the end, with the smaller diameter, of the discharge holes is close to the outer wall of the machine head.
Preferably, the outer walls of the two ends of the knife ring are respectively provided with an annular bulge, a fixing ring is rotatably sleeved outside the knife ring, and the two ends of the fixing ring are respectively rotatably connected with the annular bulges at the two ends of the knife ring;
the knife ring is sleeved with a net ring, the net ring is positioned between the knife ring and the fixing ring, the annular bulge at one end of the knife ring is provided with strip-shaped holes distributed in a surrounding manner, and the strip-shaped holes correspond to the positions of one end of the net ring;
a collecting ring cover is arranged on one side of the knife ring, an annular opening is arranged on one side of the collecting ring cover, the annular opening is communicated with a strip-shaped hole at one end of the knife ring, the collecting ring cover is fixedly arranged outside the supercharger, and a discharge hopper is arranged on the lower side of the collecting ring cover;
the inner walls of the fixing rings and the net rings are of inclined structures, the inclined directions of the fixing rings and the inner walls of the net rings are opposite, and one side of each fixing ring is connected with a steam exhaust main pipe.
Preferably, a second gear ring is fixedly sleeved outside the cutter ring, one side of the second gear ring is meshed and connected with a cutter ring driving gear, and one side of the cutter ring driving gear is connected with a cutter ring driving motor; the knife ring driving motor can drive the gear through the knife ring.
The invention provides a granular trans-isoprene rubber post-treatment system through improvement, and compared with the prior art, the granular trans-isoprene rubber post-treatment system has the following improvements and advantages:
one is as follows: according to the invention, the head capable of rotating independently is arranged at the front end of the inner barrel, so that the friction effect on the material can be additionally increased while the spiral extrusion rod pushes the material to move forward for friction, the friction heat generation is improved, and the flash evaporation of the material is promoted;
the second step is as follows: in the invention, the rotation of the machine head and the cutter ring can form relative motion, so that the purpose of granulating can be achieved even if the cutter ring does not rotate, and more energy is saved;
and thirdly: in the invention, the independently rotating machine head can simultaneously drive the screen drum to rotate, and the screen drum feeds materials in the rotating process, so that the moisture on the surface of colloidal particles is evaporated, primary predrying is realized, and the burden of expansion extrusion drying is shared, thereby improving the drying effect;
fourthly, the method comprises the following steps: in the invention, the corrugated ring has elasticity, and the machine head and the inner cylinder can form elastic sealing connection under the supporting and extruding of the compression bolt and the flange plate, so that the problem of cracking caused by thermal expansion and cold contraction of the traditional machine head is prevented;
and fifthly: according to the invention, the first high-temperature gas supply pipe is used for injecting high-temperature inert gas into the feed hopper, so that the high-temperature inert gas and the colloidal particles can enter the screen cylinder together, and the moisture on the surface of the colloidal particles is evaporated at high temperature;
and the sixth step: in the invention, the cam disc is connected with the piston rod through the ball, so that the piston rod and the cam disc can relatively rotate within a certain angle and can relatively slide, the cam disc can continuously push and pull the piston rod in a reciprocating manner when rotating, gas is continuously sprayed to the left end of the supercharger, a discharge port of the machine head is pressurized by using gas, the pressure of the discharge port is further increased, the higher pressure has higher temperature, the flash evaporation effect is improved, and when the discharge port of the machine head is pressurized, the gas is also injected into the discharge port, so that the extruded rubber can be more quickly discharged along with the spraying of the gas, and the flash evaporation effect is further improved;
and the seventh step: according to the invention, the rotary drum is synchronously driven to rotate by the spiral extrusion rod, so that the supercharger can synchronously operate while the spiral extrusion rod extrudes and discharges materials, the start and stop of the supercharger and the rotary drum are synchronous, and the large gear drives the small gear to rotate, so that the purpose of speed-up transmission is achieved, and the supercharger can operate more efficiently;
eight of them: according to the invention, the cutter ring and the machine head rotate reversely, the relative rotation speed of the cutter ring and the machine head is higher, the granulation can be accelerated, meanwhile, the machine head drives the net ring with the inclined inner wall to rotate, the rubber particles impacting on the inner wall of the net ring can be promoted to be discharged to one side with a larger diameter under the action of centrifugal force, the separation of the rubber particles and steam is accelerated, the drying stability is improved, the sprayed steam can penetrate through the net ring to impact in the fixed ring, the steam and the rubber particles move in different directions, the separation of the steam and the rubber particles is further accelerated, and the stability of the drying effect is improved.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a front view of the internal structure of the present invention;
FIG. 2 is an enlarged schematic view of the invention at A as shown in FIG. 1;
FIG. 3 is a cross-sectional view of a screen cylinder of the present invention;
FIG. 4 is a right side view of the knife ring of the present invention;
FIG. 5 is a cross-sectional view of the ring cover and jacket of the present invention;
FIG. 6 is a front view of the corrugated ring of the present invention;
FIG. 7 is an elevation view of the interior of the cutter ring of the present invention;
FIG. 8 is a cross-sectional view of the attachment ring of the present invention;
FIG. 9 is an elevation view of the attachment ring of the present invention;
FIG. 10 is a cross-sectional view of a cam plate and drum of the present invention;
FIG. 11 is a cross-sectional view of the piston rod of the present invention;
FIG. 12 is a left side view of the cam plate of the present invention;
FIG. 13 is a left side view of the exhaust manifold of the present invention;
FIG. 14 is a cross-sectional view of the knife ring and nose of the present invention.
Description of reference numerals: 1. screw extrusion rod, 2, inner cylinder, 3, screen cylinder, 31, helical blade, 4, head driving gear, 41, head driving motor, 5, head, 51, connecting ring, 52, pressing bolt, 53, ripple ring, 54, flange, 55, first gear ring, 56, discharge hole, 57, discharge ring, 6, cutter ring, 61, second gear ring, 62, exhaust manifold, 63, fixing ring, 64, mesh ring, 65, aggregate ring cover, 66, discharge hopper, 7, supercharger, 71, piston rod, 72, first check valve, 73, second check valve, 74, second high temperature gas supply pipe, 75, ball, 76, cam disk, 77, rotating cylinder, 8, belt, 9, outer cylinder, 91, feed hopper, 10, main motor, 11, exhaust pipe, 12, exhaust fan, 13, ring cover, 14, jacket, 15, synchronous transmission mechanism, 151, 153, transmission belt, 152, transmission shaft, 153, transmission belt, 152, A bull gear 154, a pinion gear 16, a knife ring driving motor 17, a knife ring driving gear 18 and a first high-temperature gas supply pipe.
Detailed Description
The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a granular trans-isoprene rubber post-treatment system through improvement, and the technical scheme of the invention is as follows:
as shown in fig. 1-14, a granular trans-isoprene rubber post-treatment system comprises an inner cylinder 2, a spiral extrusion rod 1 is arranged in the middle of the inner cylinder 2, a screen cylinder 3 is sleeved outside the inner cylinder 2, the screen cylinder 3 is of a net structure, the pore diameter is larger than the diameter of colloidal particles, spiral blades 31 are uniformly arranged on the inner wall of the screen cylinder 3, one end of the screen cylinder 3 is fixedly connected with a machine head 5, the machine head 5 is rotatably connected with one end of the inner cylinder 2, an outer cylinder 9 is sleeved outside the screen cylinder 3, the outer cylinder 9 is rotatably connected with the machine head 5, and the outer cylinder 9 is fixedly connected with the inner cylinder 2;
the outer cover of one end of aircraft nose 5 is equipped with ejection of compact ring 57, and evenly surrounds the distribution on the lateral wall of ejection of compact ring 57 and has the aperture, and this aperture is linked together with aircraft nose 5 inner chamber to the outer swivel mount of ejection of compact ring 57 is equipped with sword ring 6, and sword ring 6 main part is the annular, and the middle part surrounds interval distribution and has the blade, and it can reach the purpose of continuous cutting when rotatory.
The existing colloidal particles are heated by steam of a jacket of the expansion dryer after entering the expansion dryer, and are pushed by the spiral extrusion rod 1 to move forward along the machine body towards the machine head, the machine body of the spiral extrusion rod 1 is utilized to extrude and rub materials to generate heat, so that the temperature of the colloidal particles is continuously increased, and then the evaporation of water is promoted;
the machine head 5 which independently rotates can simultaneously drive the screen drum 3 to rotate, the screen drum 3 feeds materials in the rotating process, so that the moisture on the surface of colloidal particles is evaporated, preliminary predrying is realized, the burden of expansion extrusion drying is shared, and the drying effect can be improved;
one end of the machine head 5 is sleeved outside the inner cylinder 2, one end of the inner cylinder 2 close to the machine head 5 is provided with an outward flange, one side of the outward flange is connected with one end of a corrugated ring 53, the other end of the corrugated ring 53 is connected with a flange plate 54 through a compression bolt 52, and the flange plate 54 is fixedly arranged at the end part of the machine head 5; the head 5 is the highest temperature part of the equipment, the corrugated ring 53 has elasticity, and under the supporting and extruding of the pressing bolt 52 and the flange plate 54, the head 5 and the inner cylinder 2 can form elastic sealing connection for preventing the traditional problem that the head 5 cracks due to expansion with heat and contraction with cold.
An annular convex edge is arranged on the outer wall of one end, close to the outer cylinder 9, of the machine head 5, an annular groove is arranged on the inner wall of one end, close to the machine head 5, of the outer cylinder 9, and one end of the outer cylinder 9 is sleeved outside the machine head 5; the structure enables stable rotary connection between the machine head 5 and the outer cylinder 9;
a connecting ring 51 is connected between one end of the machine head 5 and the screen drum 3, the outer wall of the connecting ring 51 is in sliding connection with the inner wall of the outer drum 9, through holes are circumferentially distributed in the middle of the connecting ring 51, a feed hopper 91 is arranged on the upper side of the outer drum 9, and the position of the feed hopper 91 corresponds to the position of the connecting ring 51; the structure here enables the screen cylinder 3 to be fed also during rotation;
a first high temperature gas supply pipe 18 is arranged in the middle of the feed hopper 91; the first high-temperature gas supply pipe 18 is used for injecting high-temperature inert gas into the feed hopper 91, so that the high-temperature inert gas and the colloidal particles enter the screen cylinder 3 together, and the moisture on the surface of the colloidal particles is evaporated at high temperature;
a gap is arranged at the top of one end of the inner cylinder 2 far away from the machine head 5; the gap is used for allowing the colloidal particles to enter the inner barrel 2;
a gap is arranged between the inner wall of the outer cylinder 9 and the outer wall of the screen cylinder 3, and one side of the outer cylinder 9 is connected with an exhaust fan 12 through an exhaust pipe 11; the exhaust fan 12 can discharge the water vapor evaporated in the screen drum 3 in time, so as to ensure the drying effect.
A first gear ring 55 is fixedly sleeved outside the handpiece 5, one side of the first gear ring 55 is meshed and connected with a handpiece driving gear 4, and one side of the handpiece driving gear 4 is connected with a handpiece driving motor 41; the handpiece driving motor 41 can drive the first gear ring 55 to rotate through the handpiece driving gear 4, and further drive the handpiece 5 to independently rotate;
a jacket 14 is fixedly arranged outside the handpiece 5, a plurality of through holes are formed in the side wall of the jacket 14 in an encircling manner, a ring cover 13 is rotatably sleeved outside the jacket 14, the position of the ring cover 13 corresponds to the position of the through hole in the side wall of the jacket 14, the ring cover 13 is communicated with the inner cavity of the jacket 14 through the through hole in the side wall of the jacket 14, bulges are respectively arranged on two sides of the ring cover 13, the bulges are in sliding connection with the outer wall of the part of the jacket 14 provided with the through hole, and interfaces are respectively arranged on the other two sides of the ring cover 13; the head 5 part is the last step of extrusion micelle discharge, needs to maintain sufficient high temperature, through set up independent clamp cover 14 outside head 5, can heat head 5 alone, guarantees the effect of follow-up high temperature flash distillation.
One end of the handpiece 5 is rotatably provided with a supercharger 7, the supercharger 7 is cylindrical, a plurality of circular holes are arranged in the supercharger 7 in a surrounding manner, the inner cavity of each circular hole is communicated with the inner cavity of the discharge ring 57, one end and one side of each circular hole, which are close to the handpiece 5, are respectively provided with a first one-way valve 72 and a second one-way valve 73, the first one-way valve 72 enables gas to be discharged from the supercharger 7 only, the second one-way valve 73 enables gas to enter the circular holes of the supercharger 7 only from the outside, a piston rod 71 is arranged in each circular hole in a sliding manner, one end of the piston rod 71 is connected with one side of a cam disc 76 through a round ball 75 in a sliding manner, and the other side of the cam disc 76 is rotatably connected with a rotating drum 77;
one side of the cam disc 76 is provided with an annular groove, the cross section of the annular groove is in a preferred arc shape, and the structure of the preferred arc shape is matched with that of the round ball 75; the ball 75 can move in the annular groove;
an inlet of the second check valve 73 is connected to one end of a second high temperature gas supply pipe 74; the second high temperature gas supply pipe 74 is used for feeding high temperature inert gas; the cam disc 76 is connected with the piston rod 71 through the spherical ball 75, so that the piston rod 71 and the cam disc 76 can relatively rotate within a certain angle, and can relatively slide, and the cam disc 76 can continuously push and pull the piston rod 71 in a reciprocating manner during rotation, high-temperature gas is sucked into a round hole of the supercharger 7 when the piston rod 71 is pulled, and the sucked high-temperature gas is discharged when the piston rod 71 is pushed, so that the left end of the supercharger 7 continuously sprays gas, the high-temperature gas is used for pressurizing a discharge port of the handpiece 5, the outlet pressure is further increased, the higher pressure has higher temperature, the flash evaporation effect is improved, and when the discharge port of the handpiece 5 is pressurized, the gas is also injected into the discharge port, so that extruded rubber can be more quickly discharged along with the spraying of the gas, and the flash evaporation effect is further improved.
The rotary drum 77 is linked with the screw extrusion rod 1 through a synchronous transmission mechanism 15, the synchronous transmission mechanism 15 comprises a large gear 153 and a transmission belt 151, the large gear 153 is fixedly sleeved at one end of the screw extrusion rod 1, one side of the large gear 153 is connected with a small gear 154 in a meshing manner, a transmission shaft 152 is fixedly arranged in the middle of the small gear 154 in a penetrating manner, one end of the transmission shaft 152 is sleeved with one end of the transmission belt 151, and the other end of the transmission belt 151 is sleeved outside the rotary drum 77; the rotary drum 77 is synchronously driven to rotate by the spiral extrusion rod 1, so that the supercharger 7 can synchronously operate while the spiral extrusion rod 1 extrudes and discharges materials, the synchronization of the spiral extrusion rod 1 and the material is ensured, and the pinion 154 is driven to rotate by the large gear 153, so that the purpose of speed-up transmission is achieved, and the supercharger 7 can operate more efficiently;
one end of the spiral extrusion rod 1 is connected with a main motor 10 through a belt 8; the main motor 10 drives the screw extrusion rod 1 to rotate and operate through the belt 8.
An annular cavity is formed between the inner wall of the discharging ring 57 and the outer wall of the handpiece 5, the annular cavity corresponds to the position of a round hole on the supercharger 7, the side wall of one end of the handpiece 5 close to the discharging ring 57 is uniformly provided with discharge holes 56 in a surrounding manner, the discharge holes 56 are horn-shaped, and the opening of one end of the discharge hole 56 with smaller diameter is close to the outer wall of the handpiece 5; the flared exit holes 56 facilitate discharge from head 5 and reduce backflow of material into head 5.
The outer walls of the two ends of the knife ring 6 are respectively provided with an annular bulge, a fixing ring 63 is rotatably sleeved outside the knife ring 6, and the two ends of the fixing ring 63 are respectively rotatably connected with the annular bulges at the two ends of the knife ring 6; this structure enables the cutter ring 6 to rotate alone;
a net ring 64 is sleeved outside the knife ring 6, the net ring 64 is fixedly connected with the knife ring 6, the net ring 64 is positioned between the knife ring 6 and the fixing ring 63, a circular bulge at one end of the knife ring 6 is provided with strip-shaped holes distributed in a surrounding manner, and the strip-shaped holes correspond to the positions of one end of the net ring 64;
a collecting ring cover 65 is arranged on one side of the knife ring 6, an annular opening is arranged on one side of the collecting ring cover 65, the annular opening is communicated with a strip-shaped hole at one end of the knife ring 6, the collecting ring cover 65 is fixedly arranged outside the supercharger 7, and a discharge hopper 66 is arranged on the lower side of the collecting ring cover 65; the collecting ring cover 65 is used for collecting the sprayed colloidal particles and discharging the dried colloidal particles from the discharge hopper 66 in a centralized manner;
the inner walls of the fixing ring 63 and the net ring 64 are both inclined structures, the inclination directions of the inner walls of the fixing ring 63 and the net ring 64 are opposite, and the fixing ring 63 and the net ring 64 are both horn-shaped structures, so that the inclined inner walls are formed, the opposite inclination directions mean that the opening directions of the horn-shaped structures of the fixing ring 63 and the net ring 64 are opposite, the function is to promote the steam and the materials to flow and discharge in two opposite directions, and one side of the fixing ring 63 is connected with a steam discharge main pipe 62; knife ring 6 and aircraft nose 5 counter rotation, relative rotation speed between them is faster, can cut the grain with higher speed, aircraft nose 5 drives the net ring 64 rotation that has the slope inner wall simultaneously, can make the rubber particle of striking at net ring 64 inner wall discharge to the thicker one side of diameter under the centrifugal force effect, the separation of rubber particle and steam with higher speed, improve drying stability, and spun steam can pass net ring 64 striking in solid fixed ring 63, steam and rubber particle move to the direction of difference, further separate steam and rubber particle with higher speed, improve drying effect stability.
A second gear ring 61 is fixedly sleeved outside the cutter ring 6, one side of the second gear ring 61 is meshed and connected with a cutter ring driving gear 17, and one side of the cutter ring driving gear 17 is connected with a cutter ring driving motor 16; the knife ring drive motor 16 can drive the gear 17 through the knife ring.
The working principle is as follows: colloidal particles to be dried are added into the screen drum 3 from the feed hopper 91, when the colloidal particles enter, high-temperature inert gas is sprayed into the screen drum 3 through the first high-temperature gas supply pipe 18, the screen drum 3 is driven to rotate by the machine head 5, and the colloidal particles can be continuously pushed towards one end of the screen drum 3 by the helical blades 31 in the screen drum when the screen drum is rotated, so that the colloidal particles move forwards in overturning, the high-temperature gas is promoted to be fully contacted with materials, the evaporation of moisture on the surface of the colloidal particles is accelerated, the evaporated moisture is sucked out of the outer drum 9 through the steam extraction pipe 11 and is discharged through the exhaust fan 12, the colloidal particles can be primarily dried by the screen drum 3 and the outer drum 9, and an actively heated heat insulation layer can be formed outside the inner drum 2, the heat insulation effect of the inner drum 2 is improved, and the energy consumption is reduced;
when the colloidal particles in the screen cylinder 3 are pushed to one end of the inner cylinder 2 with a gap and fall into the inner cylinder 2, the rotating spiral extrusion rod 1 can push the colloidal particles to one end of the machine head 5, the colloidal particles are continuously extruded under the relative action of the blades of the spiral extrusion rod 1 and the inner wall of the inner cylinder 2 in the pushing process, so that the colloidal particles are continuously compressed and frictionally heated, the temperature of the colloidal particles rises, the diameter of the machine head 5 is smaller, after the colloidal particles are extruded to the machine head 5, the extrusion pressure is maximum, the temperature of the colloidal particles reaches the highest point, the machine head 5 can independently rotate under the driving of the machine head driving motor 41, the frictional heating effect with the colloidal particles is increased by utilizing the rotation effect, the temperature of the colloidal particles is increased, then the high-temperature colloidal particles are extruded to the discharge ring 57 from the discharge hole 56 and then discharged from the discharge ring 57, the pressure of the high-temperature and high-pressure colloidal particles suddenly drops, and the water contained in the colloidal particles is subjected to flash expansion, the drying purpose is achieved;
when the sizing material is extruded, supercharger 7 is driven by screw extrusion rod 1 to rotate synchronously, can be continuously to ejection of compact ring 57 inner chamber pressure boost, and concrete process is: the screw extrusion rod 1 drives a rotary drum 77 to rotate through a synchronous transmission mechanism 15, the rotary drum 77 drives a fixedly connected cam disc 76 to rotate, the cam disc 76 is connected with a piston rod 71 through a round ball 75, so that the piston rod 71 and the cam disc 76 can relatively rotate within a certain angle and can relatively slide between the piston rod 71 and the cam disc 76, the cam disc 76 can continuously push and pull the piston rod 71 in a reciprocating manner during rotation, high-temperature gas is sucked into a round hole of a supercharger 7 when the piston rod 71 is pulled, the sucked high-temperature gas is discharged when the piston rod 71 is pushed, so that the left end of the supercharger 7 continuously injects gas, the high-temperature gas is used for pressurizing a discharge port of a nose 5, the outlet pressure is further increased, the higher pressure has higher temperature, the flash evaporation effect is improved, and when the discharge port of the nose 5 is pressurized, the gas is also injected into the discharge port, so that extruded rubber can be more rapidly discharged along with the injection of the gas, the flash evaporation effect is further improved;
and when the sizing material is extruded, the knife ring 6 is driven by the knife ring driving motor 16 to rotate at a high speed, the sizing material discharged from the outer wall of the discharging ring 57 can be rapidly and continuously cut into particles, the discharging ring 57 is annular, compared with a traditional plane discharging disc, the knife ring 6 and the machine head 5 rotate in opposite directions, the relative rotation speed of the knife ring 6 and the machine head is higher, the particle cutting can be accelerated, the machine head 5 drives the net ring 64 with an inclined inner wall to rotate, the rubber particles impacting on the inner wall of the net ring 64 can be driven to be discharged to one side with a thicker diameter under the action of centrifugal force, the rubber particles enter the collecting ring cover 65 and are discharged from the discharging hopper 66, the separation of the rubber particles and the steam is accelerated, the drying stability is improved, the sprayed steam can pass through the net ring 64 and impact in the fixing ring 63, and the steam and the rubber particles move towards different directions, further accelerate the separation of the steam and the rubber particles and improve the stability of the drying effect.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides a granular trans isoprene rubber aftertreatment system, includes inner tube (2), the centre of inner tube (2) is provided with screw extrusion pole (1), its characterized in that: the screen drum (3) is sleeved outside the inner drum (2), the inner wall of the screen drum (3) is uniformly provided with helical blades (31), one end of the screen drum (3) is fixedly connected with a machine head (5), the machine head (5) is rotatably connected with one end of the inner drum (2), the screen drum (3) is sleeved with an outer drum (9), and the outer drum (9) is rotatably connected with the machine head (5);
a discharging ring (57) is sleeved outside one end of the machine head (5), small holes are uniformly distributed on the side wall of the discharging ring (57) in a surrounding manner, the small holes are communicated with the inner cavity of the machine head (5), and a cutter ring (6) is rotatably sleeved outside the discharging ring (57);
one end of the machine head (5) is sleeved outside the inner cylinder (2), an outward flange is arranged at one end, close to the machine head (5), of the inner cylinder (2), one side of the outward flange is connected with one end of a corrugated ring (53), the other end of the corrugated ring (53) is connected with a flange plate (54) through a compression bolt (52), and the flange plate (54) is fixedly arranged at the end part of the machine head (5);
an annular convex edge is arranged on the outer wall of one end, close to the outer cylinder (9), of the machine head (5), an annular groove is arranged on the inner wall of one end, close to the machine head (5), of the outer cylinder (9), and one end, provided with the annular groove, of the outer cylinder (9) is sleeved outside the annular convex edge of the machine head (5);
a connecting ring (51) is connected between one end of the machine head (5) and the screen drum (3), the outer wall of the connecting ring (51) is in sliding connection with the inner wall of the outer drum (9), through holes are distributed in the middle of the connecting ring (51) in a surrounding manner, a feed hopper (91) is arranged on the upper side of the outer drum (9), and the position of the feed hopper (91) corresponds to the position of the connecting ring (51);
a first high-temperature gas supply pipe (18) penetrates through the middle of the feed hopper (91);
a notch is formed in the top of one end, far away from the machine head (5), of the inner cylinder (2);
one end of the machine head (5) is rotatably provided with a supercharger (7), a plurality of round holes are annularly arranged in the supercharger (7), the inner cavity of each round hole is communicated with the inner cavity of the discharging ring (57), one end and one side of each round hole, which are close to the machine head (5), are respectively provided with a first one-way valve (72) and a second one-way valve (73), a piston rod (71) is arranged in each round hole in a sliding manner, one end of each piston rod (71) is connected with one side of a cam disc (76) in a sliding manner through a round ball (75), and the other side of each cam disc (76) is rotatably connected with a rotary drum (77);
one side of the cam disc (76) is provided with an annular groove, the cross section of the annular groove is in a preferred arc shape, and the structure of the preferred arc shape is matched with that of the round ball (75);
the inlet of the second one-way valve (73) is connected with one end of a second high-temperature gas supply pipe (74);
the rotary drum (77) is linked with the spiral extrusion rod (1) through a synchronous transmission mechanism (15), the synchronous transmission mechanism (15) comprises a large gear (153) and a transmission belt (151), the large gear (153) is fixedly sleeved at one end of the spiral extrusion rod (1), one side of the large gear (153) is meshed with a small gear (154), a transmission shaft (152) is fixedly arranged in the middle of the small gear (154) in a penetrating mode, one end of the transmission shaft (152) is sleeved with one end of the transmission belt (151), and the other end of the transmission belt (151) is sleeved outside the rotary drum (77);
one end of the spiral extrusion rod (1) is connected with a main motor (10) through a belt (8);
an annular cavity is formed between the inner wall of the discharging ring (57) and the outer wall of the handpiece (5), the annular cavity corresponds to the position of a round hole on the supercharger (7), the side wall of one end, close to the discharging ring (57), of the handpiece (5) is uniformly provided with discharge holes (56) in a surrounding manner, the discharge holes (56) are horn-shaped, and the opening of one end, with the smaller diameter, of each discharge hole (56) is close to the outer wall of the handpiece (5);
the outer walls of two ends of the knife ring (6) are respectively provided with an annular bulge, a fixing ring (63) is rotatably sleeved outside the knife ring (6), and two ends of the fixing ring (63) are respectively rotatably connected with the annular bulges at two ends of the knife ring (6);
a net ring (64) is sleeved outside the knife ring (6), the net ring (64) is positioned between the knife ring (6) and the fixing ring (63), strip-shaped holes distributed in a surrounding manner are formed in an annular bulge at one end of the knife ring (6), and the strip-shaped holes correspond to the positions of one end of the net ring (64);
an aggregate ring cover (65) is arranged on one side of the knife ring (6), an annular opening is arranged on one side of the aggregate ring cover (65), the annular opening is communicated with a strip-shaped hole at one end of the knife ring (6), the aggregate ring cover (65) is fixedly arranged outside the supercharger (7), and a discharge hopper (66) is arranged on the lower side of the aggregate ring cover (65);
the inner walls of the fixing ring (63) and the net ring (64) are of inclined structures, the inclined directions of the inner walls of the fixing ring (63) and the net ring (64) are opposite, and one side of the fixing ring (63) is connected with a steam exhaust main pipe (62).
2. A granular trans-isoprene rubber post-treatment system according to claim 1, characterized in that: a gap is arranged between the inner wall of the outer barrel (9) and the outer wall of the screen barrel (3), and one side of the outer barrel (9) is connected with an exhaust fan (12) through an exhaust pipe (11).
3. A granular trans-isoprene rubber post-treatment system according to claim 1, characterized in that: a first gear ring (55) is fixedly sleeved outside the machine head (5), one side of the first gear ring (55) is meshed and connected with a machine head driving gear (4), and one side of the machine head driving gear (4) is connected with a machine head driving motor (41);
the automatic clamping device is characterized in that a clamping sleeve (14) is fixedly arranged outside the machine head (5), a plurality of through holes are formed in the side wall of the clamping sleeve (14) in an encircling mode, a ring cover (13) is rotatably sleeved outside the clamping sleeve (14), the position of the ring cover (13) corresponds to the position of the through hole in the side wall of the clamping sleeve (14), the ring cover (13) is communicated with an inner cavity of the clamping sleeve (14) through the through hole in the side wall of the clamping sleeve (14), bulges are respectively arranged on two sides of the ring cover (13), the bulges are slidably connected with the part, provided with the through hole, of the outer wall of the clamping sleeve (14), and interfaces are respectively arranged on the other two sides of the ring cover (13).
4. A granular trans-isoprene rubber post-treatment system according to claim 1, characterized in that: a second gear ring (61) is fixedly sleeved outside the cutter ring (6), one side of the second gear ring (61) is meshed and connected with a cutter ring driving gear (17), and one side of the cutter ring driving gear (17) is connected with a cutter ring driving motor (16); the knife ring driving motor (16) can drive the knife ring (6) to rotate through the knife ring driving gear (17) and the second gear ring (61).
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