CN211616530U - One-time reaction extrusion molding production line for acrylic plates - Google Patents
One-time reaction extrusion molding production line for acrylic plates Download PDFInfo
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- CN211616530U CN211616530U CN201922036431.4U CN201922036431U CN211616530U CN 211616530 U CN211616530 U CN 211616530U CN 201922036431 U CN201922036431 U CN 201922036431U CN 211616530 U CN211616530 U CN 211616530U
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Abstract
The utility model relates to an acryl plate one-time reaction extrusion moulding production line, including the reation kettle who has the MMA inlet pipe, the reation kettle lower part concatenates behind trigger adder and a plurality of tubular reactor and connects the screw rod to take off and wave the device import through the bleeder valve, the gas vent that the device was taken off and wave to the screw rod connects to reation kettle upper portion through the condenser, the extrusion opening that the device was taken off and wave to the screw rod connects the cylindric import of refining feed cylinder one end, the structure that the rounding off extends to the rectangular form export of other end level by the cylindric import rounding off of one end in the middle part of the refining feed cylinder, the rectangular form export of level of the refining feed cylinder other end connects panel forming. The production line can give consideration to the full polymerization reaction of the raw materials at one time, stably extrude and form to produce plates with various lengths and specifications, has no volatile gas pollution, good forming quality, high production efficiency and low cost.
Description
Technical Field
The utility model relates to an acryl production line, in particular to an acryl plate one-time reaction extrusion molding production line.
Background
The existing acrylic sheet is produced by polymerizing raw materials to prepare particles, mixing all the raw materials in a reaction kettle, easily generating an implosion phenomenon, having low polymerization rate and incapable of ensuring polymerization quality, wherein volatile gas of an initiator after polymerization cannot be effectively collected and treated, and the polymerization production cost is increased; the particles are melted again after being prepared and are extruded and cast through a two-section screw, the energy consumption is wasted by secondary melting, the production period and the cost are increased, and
the extrusion material liquid directly falls into the opening of the casting mold, the material liquid is exposed, the hidden pollution hazards such as ash feeding, water feeding and the like exist, the molding quality of the plate is influenced, the plate with local problems directly results in the scrapping of the plate produced in a fixed length mode, and the production cost is high. In addition, the traditional acrylic sheet can only be manufactured by fixing a fixed length and a fixed die, and various specifications of sheets need to be provided with various dies, so that the production cost is further improved invisibly.
Disclosure of Invention
The utility model provides a simple structure, it is convenient to use, can compromise the raw materials once only abundant polyreaction, stabilize various length specification panels of extrusion moulding production, nonvolatile gas pollution, shaping are of high quality, the acryl plate one-time reaction extrusion moulding production line of production efficiency height, with low costs.
The utility model adopts the technical proposal that: the utility model provides an acryl plate one-time reaction extrusion moulding production line, includes the reation kettle who has the MMA inlet pipe, its characterized in that: the lower part of the reaction kettle is connected with an initiator adder and a plurality of tubular reactors in series through a discharge valve and then connected with an inlet of a screw devolatilization device, an exhaust port of the screw devolatilization device is connected to the upper part of the reaction kettle through a condenser, an extrusion port of the screw devolatilization device is connected with a cylindrical inlet at one end of a refining feeding barrel, the middle part of the refining feeding barrel is in a structure that the cylindrical inlet at one end is in smooth transition and extends to a horizontal square strip-shaped outlet at the other end, and a horizontal square strip-shaped outlet at the other end of the refining feeding barrel is connected.
The utility model provides an acryl plate one-time reaction extrusion moulding production line, includes the reation kettle who has the MMA inlet pipe, its characterized in that: the device also comprises a centrifugal mixing reaction extrusion device, the centrifugal mixing reaction extrusion device comprises an extrusion frame, a front driving motor, an outer reactor, an inner reactor, a rear driving motor, an outer material homogenizer and an inner material homogenizer, the outer reactor and the outer material homogenizer are coaxially arranged in front and behind and can be rotatably supported in the extrusion frame, an outer gear ring of the outer reactor is driven by a front driving motor through a gear, an outer gear ring of the outer material homogenizer is driven by a rear driving motor through a gear, a plurality of arc reaction tanks are uniformly distributed on the circumference of the inner circumference wall of the outer reactor along the axial direction of the outer reactor, the inner reactor is coaxially connected in the outer reactor in a penetrating way and supported in the extrusion frame, a mixing gap is reserved between the inner wall of the outer reactor and the outer circumference wall of the inner reactor, a plurality of axial electric heating or steam heating pipelines are uniformly distributed on the staggered arc reaction tank inner circumference of the outer reactor body, and an electric heating or steam heating pipeline is axially arranged in, a plurality of initiator channels are uniformly distributed on the inner circumference of the inner reactor body, the front ends of the initiator channels are connected with an initiator feeding tank or a tank through a multi-way material distribution balance valve and an initiator feeding pump, each initiator channel is axially provided with a plurality of initiator feeding pipes penetrating out of the outer wall of the inner reactor, the penetrating length of each initiator feeding pipe is equal to the radial thickness of a material mixing gap, the diameter of each initiator feeding pipe is gradually reduced along the axial direction of the initiator channel, the front end of each outer material homogenizer is hermetically attached to the rear end of the outer reactor through an oil seal bearing, the inner material homogenizer is connected with the rear end of the inner reactor and coaxially penetrated in the outer material homogenizer, the inner wall of the outer material homogenizer is provided with a plurality of centrifugal grooves axially corresponding to the arc reaction tanks, each centrifugal groove is divided into a front-section centrifugal groove and a rear-end centrifugal groove which are connected, the groove direction of the front-section centrifugal groove is expanded in the circumferential diameter in the front-rear-direction and is twisted by 90 ︒ in, And 90 ︒ twisting in the circumferential direction, wherein the twisting is in the same direction, the outer circumference of the inner material homogenizer is provided with a front diameter expanding auger and a rear diameter reducing auger which are connected and respectively correspond to the front section centrifugal groove and the rear section centrifugal groove, the diameter expansion amount of the rear part of the front diameter expanding auger is less than that of the front section centrifugal groove, the diameter of the front part of the rear diameter reducing auger is equal to that of the rear part of the front diameter expanding auger, the diameter reduction amount of the rear part of the rear diameter reducing auger is less than that of the rear section centrifugal groove, a gap outlet between the rear part of the rear section centrifugal groove and the rear part of the rear diameter reducing auger is connected with a cylindrical inlet at one end of the material homogenizing feeding barrel, the middle part of the material homogenizing feeding barrel is in a structure that the cylindrical inlet at one end is smoothly transit.
Further, the plate forming device comprises two annular conveyor belts with opposite upper and lower gaps and continuous sealing belts which are respectively packaged at two sides of the upper and lower gaps to form two side edges of a gap cavity, a horizontal square strip-shaped outlet at the other end of the refining feeding barrel is connected with an inlet at one side of the gap cavity, heating zones are arranged above and below the gap cavity, and a plurality of roller bodies which are horizontally attached to the inner side of the upper and lower annular conveyor belts and oppositely form the annular conveyor belts of the gap cavity are arranged above and below the upper and lower annular conveyor belts.
Furthermore, a material sealing head baffle is arranged in the gap cavity, the material sealing head baffle is attached to the upper and lower annular conveyor belts in a gapless manner and clamped between the two annular conveyor belts, and the sealing belts attached to the two sides of the left and right gapless manner are clamped between the two sealing belts.
Further, the plate forming device comprises more than one group of two forming rollers with upper and lower gaps, and the more than one group of forming rollers are arranged along the plate forming direction.
Furthermore, a feed flow meter is connected behind the discharge valve, an adding flow meter is arranged on the initiator adder, the condenser is connected with the reaction kettle through a liquid return flow meter, a feed flow meter is arranged on the MMA feed pipe, and the flow meter is connected with a production line controller.
Further, the tubular reactor is of a vertical structure.
Furthermore, an exhaust port of the screw devolatilization device is connected with a condenser through a vacuum pumping device.
Furthermore, an outer material refiner corresponding to the joint of the front-end centrifugal groove and the rear-end centrifugal groove is connected to the upper part of the reaction kettle through a condenser.
During production, an MMA raw material is conveyed into a reaction kettle through an MMA feeding pipe to be uniformly mixed, the mixed raw material is conveyed to a tubular reaction through a lower discharging valve, and the initiator is synchronously conveyed by an initiator adder to be added quantitatively, so that the implosion caused by instantaneous addition of a large amount of initiator in the reaction kettle is effectively avoided, and the initiator addition of the mixed raw material is quantitatively added, and the tubular reactor is combined, so that the polymerization speed and efficiency are favorably improved, and the requirements of industrial production are met; the polymerized slurry is sent to a screw devolatilization device, volatile gas in the slurry is pumped to a condenser through an exhaust port by a vacuumizing device while the slurry is spirally pushed, the flow is measured and returned to a reaction kettle, a small amount of initiator volatile gas is condensed and then enters the reaction kettle, preliminary pre-mixing pre-polymerization of raw materials is facilitated, feeding of an MMA feeding pipe and instant addition of an initiator adder are integrally combined, the amount of the initiator added by the initiator adder is controlled and adjusted, and more stable and efficient polymerization is further ensured; the polymerized feed liquid enters through a cylindrical inlet at one end of a material homogenizing feeding cylinder after devolatilization, is uniformly filled in the space at the middle part in the material homogenizing feeding cylinder and is uniformly fed along the transverse rectangular section of a gap cavity between an upper annular conveying belt and a lower annular conveying belt through a horizontal square strip-shaped outlet at the other end, and is matched with a roller body to be attached to an annular conveying belt of the gap cavity, the feeding in the upper gap cavity and the lower gap cavity is uniform on the section, the problem of difference of local feed liquid is avoided, the defect-free forming of a plate is favorably ensured, the forming quality is good, or two forming rollers with upper and lower gaps are directly adopted to press the feeding into; the material sealing head baffle plate moves backwards under the driving of the upper and lower annular conveyor belts, so that the requirement of the casting molding of plates with different lengths and specifications is met, various molds do not need to be equipped, and the production cost is favorably saved.
Further, a centrifugal material mixing reaction extrusion device is adopted, MMA raw materials and an initiator are respectively pumped by a reaction kettle and an initiator tank, the MMA raw materials enter an arc reaction groove and a material mixing gap between an outer reactor and an inner reactor, most of the MMA raw materials are fed backwards in the arc reaction groove and rotate corresponding to an initiator channel along with the outer reactor under the drive of a front driving motor through a gear and a gear ring, the initiator is supplied to the arc reaction groove from an initiator feeding pipe, the diameters of the initiator feeding pipes in the same radial direction are the same, the MMA raw materials are driven by the arc reaction grooves to rotate, the initiator feeding pipes are used for feeding the initiator, the mixing reaction efficiency of the MMA raw materials and the initiator in unit volume is increased, and the adjacent arc reaction grooves are communicated through the material mixing gap, so that the communication of all the arc reaction grooves in the circumferential range can be ensured, the reaction degrees in a plurality of the arc reaction grooves are prevented from being different, and, the quality of subsequent products is improved; when the MMA raw material reacts with the initiator, the diameter of the initiator feeding pipe at the rear axial direction is controlled to be reduced, the feeding amount of the initiator is integrally controlled, and adverse effects caused by adding the initiator at one time are avoided; in the processes of reaction and raw material conveying, the electric heating or steam heating pipelines axially arranged in the outer reactor and the inner reactor can heat the raw materials and the reaction, so that the reaction rate is improved, the initiator is preheated, conveyed and fed, and the problems of slow reaction, low initiation effect and the like caused by the direct contact of the raw materials with more temperature difference and the initiator are effectively avoided; the mixed reacted material liquid is fed into the gap at the front ends of the outer material homogenizing device and the inner material homogenizing device and is restrained by the front section centrifugal groove and the front diameter expanding auger, the front section centrifugal groove is twisted by the front diameter expanding auger in a cavity between the front section centrifugal groove and the front diameter expanding auger to be subjected to 90 ︒ centrifugal capacity expanding conveying, the material liquid in the plurality of circular arc reaction grooves in the preorder is further mixed, the initiation promoting effect is achieved, the conveying cavity is the largest at the joint of the front section centrifugal groove and the rear section centrifugal groove, the material liquid is twisted by the rear diameter contracting auger to be subjected to 90 ︒ centrifugal capacity contracting conveying, the material liquid is effectively extruded and output to the material homogenizing feeding barrel stably and efficiently, and the subsequent.
The utility model discloses with the polymerization of traditional acryl production, extrude two and produce the line and effectively combine as a whole, adopt tubular reactor feeding to pair to add the initiator to polymerization efficiency simultaneously, the initiator volatile gas takes off to volatilize condensation recovery and recycle, adopt the abundant refining pay-off pouring of refining pay-off section of thick bamboo, panel clearance cavity receives roll body control face shaping flawless, no pouring length restriction carries out integrated control, and has simple structure, and is convenient to use, can compromise the disposable abundant polymerization of raw materials, stabilize various length specification panels of extrusion moulding production, no volatile gas pollution, the shaping is of high quality, high production efficiency, advantage with low costs.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 4 is a schematic diagram of the centrifugal mixing reaction extrusion apparatus shown in FIG. 3;
fig. 5 is a left side view of fig. 4.
In fig. 1: the device comprises a reaction kettle 1, an MMA feeding pipe 2, a discharge valve 3, a feeding flow meter 4, an initiator adder 5, a tubular reactor 6, a screw devolatilization device 7, a condenser 8, a liquid return flow meter 9, a refining feeding barrel 10, a cylindrical inlet 11, a horizontal square strip-shaped outlet 12, an upper annular conveyor belt 13, a lower annular conveyor belt 14, a material sealing head baffle plate 15, a roller body 16, a heating zone 17 and a gap cavity 18.
In fig. 2: the device comprises a reaction kettle 1, an MMA feeding pipe 2, a discharge valve 3, a feeding flow meter 4, an initiator adder 5, a tubular reactor 6, a screw devolatilization device 7, a condenser 8, a liquid return flow meter 9, a refining feeding barrel 10, a cylindrical inlet 11, a horizontal square strip-shaped outlet 12, an upper forming roller 19 and a lower forming roller 20.
In fig. 3, 4, 5: the device comprises a reaction kettle 1, an MMA feeding pipe 2, a discharge valve 3, a feeding flowmeter 4, a condenser 8, a liquid return flowmeter 9, a refining feeding barrel 10, a cylindrical inlet 11, a horizontal square strip-shaped outlet 12, an upper forming roller 19, a lower forming roller 20, an extrusion frame 21, a front driving motor 22, an outer reactor 23, an inner reactor 24, a rear driving motor 25, an outer refiner 26, an inner refiner 27, an arc reaction tank 28, a material mixing gap 29, an outer heating pipeline 30, an inner heating pipeline 31, an initiator channel 32, a multi-way material distribution balance valve 33, an initiator feeding pump 34, an initiator tank 35, an initiator feeding pipe 36, an oil seal bearing 37, a front section centrifugal tank 38, a rear section centrifugal tank 39, a front diameter expanding auger 40, a rear diameter reducing auger 41 and a centrifugal material mixing reaction extrusion device 100.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
Example one
FIG. 1 shows: an acryl plate one-step reaction extrusion molding production line comprises a reaction kettle 1, an MMA feeding pipe 2, a discharging valve 3, a feeding flowmeter 4, an initiator adder 5, a tubular reactor 6, a screw devolatilization device 7, a condenser 8, a liquid return flowmeter 9, a refining feeding barrel 10, an upper annular conveying belt 13, a lower annular conveying belt 14, a material sealing head baffle plate 15, a roller body 16, a heating zone 17 and a clearance cavity 18. The upper part of a reaction kettle 1 is connected with an MMA feeding pipe 2 with a flow meter, the lower part of the reaction kettle 1 is connected with an initiator adder 5 and a plurality of tubular reactors 6 in series through a discharge valve 3 and a feeding flow meter 4 and then connected with an inlet of a screw devolatilization device 7, an exhaust port of the screw devolatilization device 7 is connected with the upper part of the reaction kettle 1 through a condenser 8 and a liquid return flow meter 9, an extrusion port of the screw devolatilization device 7 is connected with a cylindrical inlet 11 at one end of a refining feeding barrel 10, the middle part of the refining feeding barrel 10 is in a structure of smoothly transitionally extending from the cylindrical inlet 11 at one end to a horizontal square strip outlet 12 at the other end, the horizontal square strip outlet at the other end of the refining feeding barrel is connected with an inlet of a gap cavity 18 formed by packaging sealing belts at the upper side and the lower side, a heating zone 17 is arranged above and below the gap cavity, a plurality of roller bodies 16 horizontally attached to the annular conveying belt which is, the gap is empty, a material sealing head baffle 15 is arranged in the gap 18, the material sealing head baffle is attached to the upper and lower annular conveyor belts in a gapless manner and clamped between the two annular conveyor belts, and the sealing belts attached to the two sides of the left and right gapless manner are clamped between the two sealing belts.
Example two
FIG. 2 shows: an acryl plate one-step reaction extrusion molding production line comprises a reaction kettle 1, an MMA feeding pipe 2, a discharging valve 3, a feeding flowmeter 4, an initiator adder 5, a tubular reactor 6, a screw devolatilization device 7, a condenser 8, a liquid return flowmeter 9, a refining feeding barrel 10, an upper molding roller 19 and a lower molding roller 20. The structure from the reaction kettle 1 to the refining feeding barrel 10 is the same as that of the first embodiment, a horizontal square strip-shaped outlet at the other end of the refining feeding barrel directly discharges materials, a plurality of groups of upper and lower forming rollers 19 and 20 with upper and lower gap spaces are arranged corresponding to the horizontal square strip-shaped outlet, the plurality of groups of upper and lower forming rollers 19 and 20 are arranged along the plate manufacturing and forming direction of the discharged and conveyed plates, and the upper and lower forming rollers 19 and 20 are driven to press and form the plates in the upper and lower gap spaces.
In the above embodiment, the feeding flowmeter, the initiator adder are provided with the adding flowmeter and the return flowmeter, and the flowmeters are connected with the production line controller to integrally control feeding, initiator adding and return in the production line.
EXAMPLE III
Fig. 3, 4, 5 show: a one-time reaction extrusion molding production line of acrylic plates comprises a reaction kettle 1 with an MMA feeding pipe 2 and a centrifugal mixing reaction extrusion device 100, wherein the centrifugal mixing reaction extrusion device 100 comprises an extrusion frame 21, a front driving motor 22, an outer reactor 23, an inner reactor 24, a rear driving motor 25, an outer material homogenizer 26 and an inner material homogenizer 27, the outer reactor 23 and the outer material homogenizer 26 are coaxially arranged in the extrusion frame 21 in a front and rear way and can be rotatably supported, a gear ring outside the outer reactor is driven by the front driving motor 22 through a gear, a gear ring outside the outer material homogenizer is driven by the rear driving motor 25 through a gear, a plurality of arc reaction grooves 28 are uniformly distributed on the circumference of the inner circumference wall of the outer reactor 23 along the axial direction of the inner circumference wall, the inner reactor is coaxially connected in the outer reactor in a penetrating way and supported in the extrusion frame, a mixing gap 29 is reserved between the inner wall of the outer reactor and the outer circumference wall of the inner reactor, a plurality of axial outer heating pipelines 30 are uniformly distributed on the inner circumference of an outer reactor body staggered arc, an inner heating pipeline 31 is axially arranged at the inner center of the inner reactor, the inner heating pipeline and the outer heating pipeline can be selected as electric heating pipelines or steam heating pipelines, a plurality of initiator channels 32 are uniformly distributed on the inner circumference of the inner reactor body, the front ends of the plurality of initiator channels are connected with an initiator tank 35 through a multi-way material distribution balance valve 33 and an initiator feed pump 34, each initiator channel is axially provided with a plurality of initiator feeding pipes 36 penetrating out of the outer wall of the inner reactor, the penetrating lengths of the initiator feeding pipes are equal to the radial thickness of a material mixing gap, the pipe diameters of the initiator feeding pipes along the axial direction of the initiator channels are gradually reduced, the front end of the outer material homogenizer 26 is hermetically attached to the rear end of the outer reactor 23 through an oil seal bearing 37, the inner material homogenizer 27 is connected with the rear end of the inner reactor 24 and coaxially penetrates into the outer material homogenizer 26, the inner wall of the outer material homogenizer 26 is provided with a plurality of centrifugal grooves axially corresponding to arc reaction, the groove direction of the front section centrifugal groove is that the diameter of the circumference is enlarged in the front and rear direction and is twisted by 90 ︒ in the circumferential direction, the groove direction of the rear section centrifugal groove is that the diameter of the circumference is reduced in the front and rear direction and is twisted by 90 ︒ in the circumferential direction, the twisting directions are the same, an outer material refiner corresponding to the joint of the front section centrifugal groove and the rear end centrifugal groove is connected to the upper part of the reaction kettle through a condenser, the outer circumference of an inner material refiner is provided with a front expanding auger 40 and a rear reducing auger 41 which are connected and respectively correspond to the front and rear section centrifugal grooves, the diameter enlargement amount of the rear part of the front expanding auger is smaller than that of the front section centrifugal groove, the diameter of the front part of the rear reducing auger is equal to that of the rear part of the front expanding auger, the diameter reduction amount of the rear part of the rear reducing auger is smaller than that of the rear section centrifugal groove, the rear part of the rear section centrifugal groove and the rear, the middle part of the refining feeding barrel is in a structure that a cylindrical inlet at one end is smoothly transited and extends to a horizontal square strip-shaped outlet at the other end, and the horizontal square strip-shaped outlet at the other end of the refining feeding barrel is connected with the plate forming device.
In this embodiment, the initiator channel is not penetrated, the inner and outer heating pipes are steam heating pipes, and the respective bodies are provided with circuits, and the inlet end is the output end at the same time.
Claims (9)
1. The utility model provides an acryl plate one-time reaction extrusion moulding production line, includes the reation kettle who has the MMA inlet pipe, its characterized in that: the lower part of the reaction kettle is connected with an initiator adder and a plurality of tubular reactors in series through a discharge valve and then connected with an inlet of a screw devolatilization device, an exhaust port of the screw devolatilization device is connected to the upper part of the reaction kettle through a condenser, an extrusion port of the screw devolatilization device is connected with a cylindrical inlet at one end of a refining feeding barrel, the middle part of the refining feeding barrel is in a structure that the cylindrical inlet at one end is in smooth transition and extends to a horizontal square strip-shaped outlet at the other end, and a horizontal square strip-shaped outlet at the other end of the refining feeding barrel is connected.
2. The acryl plate one-time reaction extrusion molding production line according to claim 1, wherein: connect the feed flowmeter behind the bleeder valve, set up on the initiator adder and add the flowmeter, the condenser connects reation kettle through the liquid return flowmeter, set up the feeding flowmeter on the MMA inlet pipe, above-mentioned flowmeter connects the production line controller.
3. The acryl plate one-time reaction extrusion molding production line according to claim 1, wherein: the tubular reactor is of a vertical structure.
4. The acryl plate one-time reaction extrusion molding production line according to claim 1, wherein: and an exhaust port of the screw devolatilization device is connected with a condenser through a vacuum pumping device.
5. The utility model provides an acryl plate one-time reaction extrusion moulding production line, includes the reation kettle who has the MMA inlet pipe, its characterized in that: the device also comprises a centrifugal mixing reaction extrusion device, the centrifugal mixing reaction extrusion device comprises an extrusion frame, a front driving motor, an outer reactor, an inner reactor, a rear driving motor, an outer material homogenizer and an inner material homogenizer, the outer reactor and the outer material homogenizer are coaxially arranged in front and behind and can be rotatably supported in the extrusion frame, an outer gear ring of the outer reactor is driven by a front driving motor through a gear, an outer gear ring of the outer material homogenizer is driven by a rear driving motor through a gear, a plurality of arc reaction tanks are uniformly distributed on the circumference of the inner circumference wall of the outer reactor along the axial direction of the outer reactor, the inner reactor is coaxially connected in the outer reactor in a penetrating way and supported in the extrusion frame, a mixing gap is reserved between the inner wall of the outer reactor and the outer circumference wall of the inner reactor, a plurality of axial electric heating or steam heating pipelines are uniformly distributed on the staggered arc reaction tank inner circumference of the outer reactor body, and an electric heating or steam heating pipeline is axially arranged in, a plurality of initiator channels are uniformly distributed on the inner circumference of the inner reactor body, the front ends of the initiator channels are connected with an initiator feeding tank or a tank through a multi-way material distribution balance valve and an initiator feeding pump, each initiator channel is axially provided with a plurality of initiator feeding pipes penetrating out of the outer wall of the inner reactor, the penetrating length of each initiator feeding pipe is equal to the radial thickness of a material mixing gap, the diameter of each initiator feeding pipe is gradually reduced along the axial direction of the initiator channel, the front end of each outer material homogenizer is hermetically attached to the rear end of the outer reactor through an oil seal bearing, the inner material homogenizer is connected with the rear end of the inner reactor and coaxially penetrated in the outer material homogenizer, the inner wall of the outer material homogenizer is provided with a plurality of centrifugal grooves axially corresponding to the arc reaction tanks, each centrifugal groove is divided into a front-section centrifugal groove and a rear-end centrifugal groove which are connected, the groove direction of the front-section centrifugal groove is expanded in the circumferential diameter in the front-rear-direction and is twisted by 90 ︒ in, And 90 ︒ twisting in the circumferential direction, wherein the twisting is in the same direction, the outer circumference of the inner material homogenizer is provided with a front diameter expanding auger and a rear diameter reducing auger which are connected and respectively correspond to the front section centrifugal groove and the rear section centrifugal groove, the diameter expansion amount of the rear part of the front diameter expanding auger is less than that of the front section centrifugal groove, the diameter of the front part of the rear diameter reducing auger is equal to that of the rear part of the front diameter expanding auger, the diameter reduction amount of the rear part of the rear diameter reducing auger is less than that of the rear section centrifugal groove, a gap outlet between the rear part of the rear section centrifugal groove and the rear part of the rear diameter reducing auger is connected with a cylindrical inlet at one end of the material homogenizing feeding barrel, the middle part of the material homogenizing feeding barrel is in a structure that the cylindrical inlet at one end is smoothly transit.
6. The acryl plate one-shot reaction extrusion molding line as set forth in claim 1 or 5, wherein: the plate forming device comprises two annular conveyor belts with opposite upper and lower gaps and continuous sealing belts which are respectively packaged at the two sides of the upper and lower gaps to form two side edges of a gap cavity, a horizontal square strip-shaped outlet at the other end of the refining feeding barrel is connected with an inlet at one side of the gap cavity, heating zones are arranged above and below the gap cavity, and a plurality of roller bodies which are horizontally attached to the upper and lower annular conveyor belts and internally and oppositely form the annular conveyor belts of the gap cavity are arranged above and below the upper and lower annular conveyor belts.
7. The acryl plate one-time reaction extrusion molding production line according to claim 6, wherein: a material sealing head baffle is arranged in the gap cavity, the material sealing head baffle is attached to the upper and lower annular conveyor belts in a gapless manner, the upper and lower annular conveyor belts are clamped between the two annular conveyor belts, and the sealing belts attached to the two sides of the left and right gapless manner are clamped between the two sealing belts.
8. The acryl plate one-shot reaction extrusion molding line as set forth in claim 1 or 5, wherein: the plate forming device comprises more than one group of two forming rollers which are arranged at intervals up and down, and the more than one group of forming rollers are arranged along the plate forming direction.
9. The acryl plate one-time reaction extrusion molding production line according to claim 5, wherein: the outer material homogenizer corresponding to the joint of the front section centrifugal groove and the rear end centrifugal groove is connected to the upper part of the reaction kettle through a condenser.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036431.4U CN211616530U (en) | 2019-12-13 | 2019-12-13 | One-time reaction extrusion molding production line for acrylic plates |
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| CN201922036431.4U CN211616530U (en) | 2019-12-13 | 2019-12-13 | One-time reaction extrusion molding production line for acrylic plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774554A (en) * | 2019-12-13 | 2020-02-11 | 泰兴汤臣压克力有限公司 | One-time reaction extrusion molding production line for acrylic plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774554A (en) * | 2019-12-13 | 2020-02-11 | 泰兴汤臣压克力有限公司 | One-time reaction extrusion molding production line for acrylic plates |
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Address after: No.186, Tongjiang Road, Taixing Economic Development Zone (Binjiang town), Taizhou City, Jiangsu Province 225400 Patentee after: Tomson (Jiangsu) Materials Technology Co.,Ltd. Address before: No.186, Tongjiang Road, Taixing Economic Development Zone, Taizhou City, Jiangsu Province 225400 Patentee before: TAIXING DONCHAMP ACRYLIC Co.,Ltd. |