CN211394358U - Sealed production system who glues of organosilicon - Google Patents
Sealed production system who glues of organosilicon Download PDFInfo
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- CN211394358U CN211394358U CN202020028833.XU CN202020028833U CN211394358U CN 211394358 U CN211394358 U CN 211394358U CN 202020028833 U CN202020028833 U CN 202020028833U CN 211394358 U CN211394358 U CN 211394358U
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Abstract
The utility model provides a sealed production system who glues of organosilicon, include: the automatic filling and sealing device comprises a kneading machine, a first buffer storage device, a first cooler, a first-order double-screw mixing and extruding unit, a second cooler, a second-order double-screw mixing and extruding unit, a second buffer storage device and automatic filling and sealing equipment which are connected in sequence; a powder storage device and a base glue storage device which are respectively connected with the kneading machine; a cross-linking agent liquid storage device arranged at the initial stage of the first-stage double-screw mixing extruder set; the coupling agent liquid storage device is arranged at the initial section of the second-order double-screw mixing extruder set; and the catalyst liquid storage device is arranged at the middle section of the second-order double-screw mixing extruder set. Compared with the prior art, the production system can fully mix high-viscosity materials on the basis of realizing full-automatic production, improves the product percent of pass, can cool the high-temperature materials, improves the production efficiency and the quality of finished products, reduces the production operation cost, concentrates the production function and reduces the loss.
Description
Technical Field
The utility model relates to a sealed production technical field that glues, more specifically say, relate to a sealed production system who glues of organosilicon.
Background
The production of sealed glue among the prior art adopts intermittent type formula production mode, mainly because intermittent type formula production convenient operation, production control is simple, and concrete process is as follows: firstly, uniformly stirring the base rubber and the powder in a reaction kettle in vacuum, then opening the reaction kettle, adding a certain proportion of the auxiliary agent, and finally moving the reaction kettle to a press for discharging. The process obviously exposes the materials to the air, thereby having great influence on the quality of products, increasing the defective rate such as bubbles, gel, skinning and the like, and having low production efficiency.
In this regard, those skilled in the art have made numerous improvements to the production of sealants in the prior art; for example, chinese patent publication No. CN208839398U discloses a static mixing apparatus for producing silicone sealant, which uses a static mixer to achieve sufficient mixing of base glue and powder; for another example, the Chinese patent with publication number CN109628060A discloses a dealcoholization type silicone sealant production system, which carries out dealcoholization, cooling storage and extrusion discharging on the mixture through a double-station deaeration extruder; for another example, chinese patent publication No. CN109689192A discloses an automatic production line of sealant, which perfectly combines a glue making device and a packaging device to fully automate the whole production process.
However, the kneader of the sealant production system in the above technical scheme cannot fully mix the high-viscosity materials, so that the product yield is reduced. In addition, the kneaded material immediately enters the next stage, and the temperature of the material cannot be reduced to a proper temperature due to limited production places, thereby affecting the production efficiency and the quality of finished products.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a sealed production system of gluing of organosilicon can carry out intensive mixing to the high viscosity material on the basis that can realize full-automatic production, improves the product percent of pass to can cool off high temperature material, improve production efficiency and off-the-shelf quality.
The utility model provides a sealed production system who glues of organosilicon, include:
the automatic filling and sealing device comprises a kneading machine, a first buffer storage device, a first cooler, a first-order double-screw mixing and extruding unit, a second cooler, a second-order double-screw mixing and extruding unit, a second buffer storage device and automatic filling and sealing equipment which are connected in sequence;
a powder storage device and a base glue storage device which are respectively connected with the kneading machine;
a cross-linking agent liquid storage device arranged at the initial stage of the first-stage double-screw mixing extruder set;
the coupling agent liquid storage device is arranged at the initial section of the second-order double-screw mixing extruder set;
and the catalyst liquid storage device is arranged at the middle section of the second-order double-screw mixing extruder set.
Preferably, the kneader is a horizontal heavy kneader comprising:
a reaction kettle; the reaction kettle is provided with a powder inlet, a base rubber inlet, a discharge port, a vacuum device, a thermometer and an electric heating device; a discharge port valve and a booster pump are arranged at a discharge port of the reaction kettle; the vacuum device comprises a vacuum meter, a vacuum valve and a vacuum pump;
a material extrusion screw and a Z-shaped kneading blade which are arranged in the reaction kettle; the material extrusion screw is connected with a discharge hole of the reaction kettle;
a screw extrusion motor for controlling the material extrusion screw;
and a stirring motor for controlling the Z-shaped kneading blade.
Preferably, the powder inlet is connected with the discharge hole of the powder storage device, the base glue inlet is connected with the discharge hole of the base glue storage device, and the discharge hole of the reaction kettle is connected with the feed inlet of the first buffer storage device through a discharge hole valve and a booster pump in sequence.
Preferably, the first buffer storage device includes:
a storage tank; the holding vessel is equipped with feed inlet, pressure gauge, ejection of compact pressure disk, discharge gate and electrical control system.
Preferably, the discharge port of the storage tank is connected with the feed port of the first cooler.
Preferably, the first cooler and the second cooler are both double-pipeline cooling devices; the double-pipe cooling device comprises:
two parallel feed lines; each feeding pipeline is provided with a cooling water inlet valve, a cooling water outlet valve and a material temperature probe.
Preferably, the second buffer storage device includes:
more than two storage tanks connected in parallel; every holding vessel all is equipped with feed valve and bleeder valve.
Preferably, the cross-linking agent liquid storage device, the coupling agent liquid storage device and the catalyst liquid storage device are liquid storage tanks; the liquid storage pot is equipped with feed inlet, booster pump, liquid level pressure gauge and discharge gate.
Preferably, a feed inlet of the liquid storage tank is connected with a raw material supply tank through a booster pump; and the discharge port of the liquid storage tank is connected with the feed port of the double-screw mixing extrusion unit through a liquid level pressure gauge and a booster pump in sequence.
The utility model provides a sealed production system who glues of organosilicon, include: the automatic filling and sealing device comprises a kneading machine, a first buffer storage device, a first cooler, a first-order double-screw mixing and extruding unit, a second cooler, a second-order double-screw mixing and extruding unit, a second buffer storage device and automatic filling and sealing equipment which are connected in sequence; a powder storage device and a base glue storage device which are respectively connected with the kneading machine; a cross-linking agent liquid storage device arranged at the initial stage of the first-stage double-screw mixing extruder set; the coupling agent liquid storage device is arranged at the initial section of the second-order double-screw mixing extruder set; and the catalyst liquid storage device is arranged at the middle section of the second-order double-screw mixing extruder set. Compared with the prior art, the production system provided by the utility model can fully mix high-viscosity materials on the basis of realizing full-automatic production, improve the product percent of pass, cool high-temperature materials, and improve the production efficiency and the quality of finished products; therefore, the utility model provides a production system has reduced the production operating cost to make the production function concentrate, can more effectively ensure finished product quality, reduce the defective percentage, reduced the loss.
Drawings
FIG. 1 is a schematic structural diagram of a system for producing silicone sealant according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a horizontal heavy kneader in a production system of silicone sealant provided by an embodiment of the present invention;
FIG. 3 is a schematic structural view of a double-pipe cooler in a system for producing silicone sealant according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a liquid storage device in a production system of silicone sealant provided by the embodiment of the utility model.
Detailed Description
The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a sealed production system who glues of organosilicon, include:
the automatic filling and sealing device comprises a kneading machine, a first buffer storage device, a first cooler, a first-order double-screw mixing and extruding unit, a second cooler, a second-order double-screw mixing and extruding unit, a second buffer storage device and automatic filling and sealing equipment which are connected in sequence;
a powder storage device and a base glue storage device which are respectively connected with the kneading machine;
a cross-linking agent liquid storage device arranged at the initial stage of the first-stage double-screw mixing extruder set;
the coupling agent liquid storage device is arranged at the initial section of the second-order double-screw mixing extruder set;
and the catalyst liquid storage device is arranged at the middle section of the second-order double-screw mixing extruder set.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a system for producing silicone sealant according to an embodiment of the present invention; wherein, 1 is powder storage device, 2 is base glue storage device, 3 is the kneading machine, 4 is first buffer storage device, 5 is first cooler, 6 is first order twin-screw mixing extrusion unit, 7 is cross-linking agent stock solution device, 8 is the second cooler, 9 is second order twin-screw mixing extrusion unit, 10 is coupling agent stock solution device, 11 is catalyst stock solution device, 12 is second buffer storage device, 13 is automatic embedment equipment.
The utility model discloses in, sealed production system of gluing of organosilicon includes powder storage device, base glue storage device, kneading machine, first buffering storage device, first cooler, first-order twin-screw mix extrusion unit, second cooler, second order twin-screw mix extrusion unit, second buffering storage device, automatic embedment equipment, cross-linking agent stock solution device, coupling agent stock solution device and catalyst stock solution device.
In the present invention, the silicone sealant is preferably a solar photovoltaic module silicone sealant (abbreviated as "photovoltaic glue"), and the present invention has no special limitation to this point.
In the present invention, the kneader is preferably a horizontal heavy kneader including:
a reaction kettle; the reaction kettle is provided with a powder inlet, a base rubber inlet, a discharge port, a vacuum device, a thermometer and an electric heating device; a discharge port valve and a booster pump are arranged at a discharge port of the reaction kettle; the vacuum device comprises a vacuum meter, a vacuum valve and a vacuum pump;
a material extrusion screw and a Z-shaped kneading blade which are arranged in the reaction kettle; the material extrusion screw is connected with a discharge hole of the reaction kettle;
a screw extrusion motor for controlling the material extrusion screw;
and a stirring motor for controlling the Z-shaped kneading blade.
Referring to fig. 2, fig. 2 is a schematic structural view (plan view) of a horizontal heavy kneader in a production system of silicone sealant according to an embodiment of the present invention; wherein, 1 is a powder storage device, 2 is a base adhesive storage device, 301 is a reaction kettle, 302 is a stirring motor, 303 is a Z-shaped kneading blade, 304 is an electric heating device, 305 is a thermometer, 306 is a vacuum gauge, 307 is a vacuum valve, 308 is a vacuum pump, 311 is a material extrusion screw, 312 is a screw extrusion motor, 313 is a discharge port valve, and 314 is a booster pump.
The utility model discloses in, kneading machine includes reation kettle, material extrusion screw rod, Z type kneading blade, screw rod extrusion motor and agitator motor. In the utility model, the reaction kettle is provided with a powder inlet, a base glue inlet, a discharge hole, a vacuum device, a thermometer and an electric heating device; the base glue inlet is connected with the discharge hole of the base glue storage device.
In the utility model, a discharge port valve and a booster pump are arranged at a discharge port of the reaction kettle; the discharge hole of the reaction kettle is connected with the feed inlet of the first buffer storage device through a discharge hole valve and a booster pump in sequence; the discharge port valve is used for controlling the opening and closing of the discharge port, and the booster pump is used for providing conveying power for materials; the utility model discloses a booster pump is impressed the complete material of mixture first buffer storage device.
In the present invention, the vacuum device includes a vacuum gauge, a vacuum valve and a vacuum pump; the vacuum meter is connected to one side of the reaction kettle, and the whole reaction kettle can be in a vacuum state in the material stirring and mixing process through the vacuum valve and the vacuum pump which are sequentially connected.
The utility model discloses in, thermometer, electro-heat equipment connect at the reation kettle opposite side, can carry out real-time controllable to the temperature of mixing the stirring process.
The utility model discloses in, the screw rod is extruded to the material and the blade setting is mediated to the Z type inside reation kettle, wherein, the screw rod is extruded to the material is preferred to be set up in reation kettle's center pin position, links to each other with reation kettle's discharge gate, and the effect is transported away from the reation kettle of kneader with mixing complete powder liquid. In the utility model, the Z-shaped kneading blade is arranged around the material extrusion screw and is used for mixing and stirring powder and liquid in the reaction kettle; in the preferred embodiment of the present invention, the number of the Z-shaped kneading blades is 2, and the two blades are respectively disposed on both sides of the material extruding screw.
In the utility model, the screw extrusion motor is connected with the material extrusion screw for controlling the material extrusion screw; the stirring motor is connected with the Z-shaped kneading blade and is used for controlling the Z-shaped kneading blade.
The utility model adopts the above-mentioned horizontal heavy kneading machine can carry out abundant mediate to the high viscosity material, improves the product percent of pass.
The utility model discloses in, powder storage device and base glue storage device respectively with the kneading machine links to each other, can know through above-mentioned content, powder storage device's discharge gate with the powder import of kneading machine links to each other, base glue storage device's discharge gate with the base glue import of kneading machine links to each other. In the utility model, the discharge port of the powder storage device is preferably provided with a metering pump for metering and conveying the powder; a metering pump is preferably arranged at a discharge port of the base rubber storage device and is used for metering and conveying the base rubber; the present invention is preferably metered by a subtractive process well known to those skilled in the art.
In the utility model, the first buffer storage device is used for storing the mixed material from the kneading machine; the first buffer storage device preferably includes:
a storage tank; the holding vessel is equipped with feed inlet, pressure gauge, ejection of compact pressure disk, discharge gate and electrical control system. In the utility model, the feed inlet of the storage tank is connected with the discharge outlet of the reaction kettle; and the discharge hole of the storage tank is connected with the feed inlet of the first cooler.
In the present invention, the first cooler is preferably a double-pipe cooling device; the double-pipe cooling device comprises:
two parallel feed lines; each feeding pipeline is provided with a cooling water inlet valve, a cooling water outlet valve and a material temperature probe.
Referring to fig. 3, fig. 3 is a schematic structural view of a dual-pipe cooler in a system for producing silicone sealant according to an embodiment of the present invention; wherein 501 and 502 are two parallel feed pipes respectively, 503 and 504 are cooling water inlet valves, 505 and 506 are cooling water outlet valves, and 507 and 508 are material temperature probes.
The utility model adopts the above-mentioned double-pipe cooling device, can cool off the high temperature material, improve production efficiency, reduce the production cost.
In the utility model, the first cooler is provided with a feed inlet and a discharge outlet; the feeding hole of the first cooler is connected with the discharging hole of the storage tank, and the discharging hole of the first cooler is connected with the feeding end of the first-order double-screw mixing extruder set.
In the utility model, the first-order twin-screw mixing extruder set is used for mixing and extruding the cooled mixed material and the cross-linking agent; and a cross-linking agent liquid storage device is arranged at the initial stage of the first-stage double-screw mixing extruder set. In the utility model, the cross-linking agent liquid storage device is preferably a liquid storage tank; the liquid storage tank is provided with a feed inlet, a booster pump, a liquid level pressure gauge and a discharge outlet; wherein, the feed inlet of the liquid storage tank is connected with a raw material (cross-linking agent) supply tank through a booster pump, and the discharge outlet of the liquid storage tank is connected with the primary feed inlet of the first-stage double-screw mixing extruder set through a liquid level pressure gauge and the booster pump in sequence; the booster pump is used for pumping liquid in the liquid storage tank.
Referring to fig. 4, fig. 4 is a schematic structural view of a liquid storage device in a system for producing silicone sealant according to an embodiment of the present invention; wherein 6 is a first-order twin-screw mixing extruder set, 8 is a second cooler, 701 is a liquid storage tank, 702 is a liquid level pressure gauge, 703 and 704 are booster pumps, and 705 is a raw material (cross-linking agent) supply tank.
The utility model discloses in, cross-linking agent stock solution device's automatic control process as follows:
the cross-linking agent storage device comprises a liquid storage tank 701 and a raw material supply tank 705; when a liquid level pressure gauge 702 below the liquid storage tank 701 monitors that the auxiliary agent in the liquid storage tank 701 needs to be added, a booster pump 704 connected to the raw material supply tank 705 supplies the auxiliary agent in the raw material supply tank 705 to the liquid storage tank 701; the auxiliary agent in the liquid storage tank 701 is conveyed to the first-order double-screw mixing extrusion unit 6 through the booster pump 703 to be mixed and stirred with the material, so that full-automatic control is realized.
In the present invention, the second cooler is the same as the first cooler, and is preferably a double-pipe cooling device; the double-pipe cooling device comprises:
two parallel feed lines; each feeding pipeline is provided with a cooling water inlet valve, a cooling water outlet valve and a material temperature probe.
Referring to fig. 3, fig. 3 is a schematic structural view of a dual-pipe cooler in a system for producing silicone sealant according to an embodiment of the present invention; wherein 501 and 502 are two parallel feed pipes respectively, 503 and 504 are cooling water inlet valves, 505 and 506 are cooling water outlet valves, and 507 and 508 are material temperature probes.
The utility model adopts the above-mentioned double-pipe cooling device, can cool off the high temperature material, improve production efficiency, reduce the production cost.
In the utility model, the second cooler is provided with a feed inlet and a discharge outlet; the feeding hole of the second cooler is connected with the discharging end of the first-order double-screw mixing and extruding unit, and the discharging hole of the second cooler is connected with the feeding end of the second-order double-screw mixing and extruding unit.
In the utility model, the second-order twin-screw mixing extruder set is used for mixing and extruding the cooled mixed material, the coupling agent and the catalyst; and a coupling agent liquid storage device is arranged at the initial section of the second-order double-screw mixing extruder unit, and a catalyst liquid storage device is arranged at the middle section of the second-order double-screw mixing extruder unit. In the present invention, the coupling agent reservoir and the catalyst reservoir are the same as the above-mentioned crosslinking agent reservoir, preferably, the coupling agent reservoir and the catalyst reservoir are liquid reservoirs; the liquid storage tank is provided with a feed inlet, a booster pump, a liquid level pressure gauge and a discharge outlet; wherein, the feed inlet of the liquid storage tank is connected with a raw material (coupling agent/catalyst) supply tank through a booster pump, and the discharge outlet of the liquid storage tank is connected with a primary section feed inlet or a middle section feed inlet of a second-order double-screw mixing extrusion unit through a liquid level pressure gauge and the booster pump in sequence; the booster pump is used for pumping liquid in the liquid storage tank.
The utility model discloses in, the automation control process of coupling agent stock solution device and catalyst stock solution device is the same with the automation control process of above-mentioned cross-linking agent stock solution device, no longer gives unnecessary details here.
The utility model discloses in, second buffer storage device is used for storing the finished product, preferably includes:
more than two storage tanks connected in parallel; each storage tank is provided with a feed valve and a discharge valve; the feeding valve of the second buffer storage device is connected with the discharging end of the second-order double-screw mixing and extruding unit, and the discharging valve of the second buffer storage device is connected with the feeding hole of the automatic filling and sealing equipment.
The utility model adopts the production system, can realize full-automatic production, and simultaneously can ensure that the whole production process is carried out under the vacuum condition (realized by operating a vacuum meter, a vacuum valve and a vacuum pump, and preferably ensures that the vacuum degree of the whole production system is not lower than-0.09 MPa); moreover, the utility model discloses a horizontal heavy kneading machine, it has two Z type kneading blades, has unique geometry, has greatly strengthened the shearing force, can carry out intensive mixing to high viscosity material, improves product quality and product percent of pass, and can save 30% kneading time, has improved production efficiency; additionally, the utility model discloses a double-pipe cooler cools off high temperature material for the cooling rate of material, can guarantee completely that the material satisfies the processing temperature requirement when getting into next stage, can more effectively ensure finished product quality, reduce the rejection rate and improve production operating efficiency. Therefore, the utility model provides a production system has reduced the production operating cost to make the production function concentrate, can more effectively ensure finished product quality, reduce the defective percentage, reduced the loss.
The utility model provides a sealed production system who glues of organosilicon, include: the automatic filling and sealing device comprises a kneading machine, a first buffer storage device, a first cooler, a first-order double-screw mixing and extruding unit, a second cooler, a second-order double-screw mixing and extruding unit, a second buffer storage device and automatic filling and sealing equipment which are connected in sequence; a powder storage device and a base glue storage device which are respectively connected with the kneading machine; a cross-linking agent liquid storage device arranged at the initial stage of the first-stage double-screw mixing extruder set; the coupling agent liquid storage device is arranged at the initial section of the second-order double-screw mixing extruder set; and the catalyst liquid storage device is arranged at the middle section of the second-order double-screw mixing extruder set. Compared with the prior art, the production system provided by the utility model can fully mix high-viscosity materials on the basis of realizing full-automatic production, improve the product percent of pass, cool high-temperature materials, and improve the production efficiency and the quality of finished products; therefore, the utility model provides a production system has reduced the production operating cost to make the production function concentrate, can more effectively ensure finished product quality, reduce the defective percentage, reduced the loss.
To further illustrate the present invention, the following examples are given in detail. The structure schematic diagram of the production system used in the following embodiments of the present invention is shown in fig. 1; wherein, 1 is powder storage device, 2 is base glue storage device, 3 is the kneading machine, 4 is first buffer storage device, 5 is first cooler, 6 is first order twin-screw mixing extrusion unit, 7 is cross-linking agent stock solution device, 8 is the second cooler, 9 is second order twin-screw mixing extrusion unit, 10 is coupling agent stock solution device, 11 is catalyst stock solution device, 12 is second buffer storage device, 13 is automatic embedment equipment.
The specific working process is as follows:
the whole process of the production system is in a state that the vacuum degree is not lower than-0.09 MPa; firstly, a powder storage device 1 and a base adhesive storage device 2 respectively convey powder and base adhesive to a kneading machine 3 through a metering pump, powder and liquid are stirred and mixed in the kneading machine 3, after the powder and the liquid are mixed, the completely mixed material is pressed into a first buffer storage device 4 through a booster pump, the material is conveyed to a first cooler 5 through a discharge pressure plate in the first buffer storage device 4 to be subjected to first cooling treatment, and the material enters a first-order double-screw mixing extrusion unit 6 through a discharge hole of the first cooler 5; the cross-linking agent liquid storage device 7 introduces the cross-linking agent into the first-order double-screw mixing extruder unit 6 through a booster pump to be mixed with the materials to obtain a secondary mixed material; the secondary mixed material is subjected to secondary cooling treatment through a second cooler 8 and then enters a second-order double-screw mixing extruder set 9; a coupling agent liquid storage device 10 and a catalyst liquid storage device 11 respectively pass through a booster pump and simultaneously introduce a coupling agent and a catalyst into a second-order double-screw mixing extruder set 9, and the materials are finally stirred and mixed to obtain a finished product after being completely mixed; finished products enter a second buffer storage device 12 through the discharge end of the second-order double-screw mixing extrusion unit 9, and finally, the finished products are automatically encapsulated and packaged through an automatic encapsulation device 13.
Example 1
The types and proportions of the materials stored in the storage devices are shown in table 1.
Table 1 formulation composition of example 1
| Material(s) | Parts by weight | Storage device |
| Hydroxy-terminated polydimethylsiloxane having viscosity of 20000 mPas | 460kg | Base |
| Nanometer active calcium carbonate with particle size of 60-70 nm | 500kg | |
| Methyl tributyl ketoxime silane | 30kg | Cross-linking agent liquid storage device 7 |
| Gamma-aminopropyltriethoxysilane | 8kg | |
| Dibutyl tin dilaurate | 2kg | |
Respectively adding 500kg of nano active calcium carbonate with the particle size of 60-70 nm and 460kg of hydroxyl-terminated polydimethylsiloxane with the viscosity of 20000mPa & s into a kneader 3 through a powder storage device 1 and a base adhesive storage device 2, heating to 110-120 ℃, dehydrating for 2-3 h, vacuumizing, uniformly stirring to obtain a semi-finished product, and pressing the semi-finished product into a first buffer storage device 4; cooling the semi-finished product by a first cooler 5, sending the semi-finished product into a first-order double-screw mixing extrusion unit 6, gradually adding 30kg of methyl tributyl ketoxime silane into the first-order double-screw mixing extrusion unit 6 through an auxiliary agent of a cross-linking agent liquid storage device 7 by a booster pump 703, and controlling the flow rate to be 20 g/s-30 g/s; then the mixture is further cooled (the temperature is controlled between 70 ℃ and 75 ℃) by a second cooler 8 and sent into a second-order double-screw mixing extruder set 9; respectively adding 8kg of gamma-aminopropyltriethoxysilane (the flow rate is controlled to be 7-8 g/s) and 2kg of dibutyltin dilaurate (the flow rate is controlled to be 2-3 g/s) into a second-order twin-screw mixing extruder set 9 through a coupling agent liquid storage device 10 and a catalyst liquid storage device 11; and finally, putting the finished product into a second buffer storage device 12, and filling and packaging the finished product through an automatic filling and sealing device 13 to obtain the photovoltaic organosilicon sealant.
Comparative example 1
The conventional high-speed dispersion planetary mixer (1000L) is adopted to produce the photovoltaic glue; the weight ratio of each material is shown in table 2.
Table 2 formulation composition of comparative example 1
| Material(s) | Parts by weight |
| Hydroxy-terminated polydimethylsiloxane having viscosity of 20000 mPas | 460kg |
| Nanometer active calcium carbonate with particle size of 60-70 nm | 500kg |
| Methyl tributyl ketoxime silane | 30kg |
| Gamma-aminopropyltriethoxysilane | 8kg |
| Dibutyl tin dilaurate | 2kg |
Putting hydroxyl-terminated polydimethylsiloxane and nano active calcium carbonate into a high-speed dispersion planetary mixer according to the formula table 2 in sequence, heating to 110-120 ℃, dehydrating for 2-3 h, vacuumizing, and uniformly stirring to obtain a dehydrated mixed base material; then cooling the base material to below 80 ℃, adding 30kg of methyl tributyl ketoxime silane, and stirring the mixture under the condition that the vacuum degree is not lower than-0.08 MP until the mixture is uniformly mixed; then 8kg of gamma-aminopropyltriethoxysilane is added to be stirred under the vacuum condition continuously until the mixture is uniform; finally, adding 2kg of dibutyltin dilaurate, and stirring the mixture under the condition that the vacuum degree is not lower than-0.08 MP until the mixture is uniformly mixed; and finally, cooling under a vacuum condition until the temperature is lower than 50 ℃, and discharging to obtain the photovoltaic organosilicon sealant finished product.
The photovoltaic silicone sealant provided in example 1 and comparative example 1 was subjected to a surface-dry time test according to the test method described in GB/T13477.5-2002 test method surface-dry time for building sealing materials; the viscosity was measured according to the test method described in GB/T10247 viscosity test method; the tensile strength and elongation at break were tested according to the test methods described in GB/T528 rubber tensile tear test methods; specific test results are shown in table 3.
Table 3 comparison of performance test results for photovoltaic silicone sealants provided in example 1 and comparative example 1
Can know through the test result contrast, adopt the utility model provides a photovoltaic silicone sealant of full-automatic production system production of photovoltaic glue's performance will obviously be superior to traditional production method.
The previous description of the disclosed embodiments 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 (9)
1. A production system of organosilicon sealant is characterized by comprising:
the automatic filling and sealing device comprises a kneading machine, a first buffer storage device, a first cooler, a first-order double-screw mixing and extruding unit, a second cooler, a second-order double-screw mixing and extruding unit, a second buffer storage device and automatic filling and sealing equipment which are connected in sequence;
a powder storage device and a base glue storage device which are respectively connected with the kneading machine;
a cross-linking agent liquid storage device arranged at the initial stage of the first-stage double-screw mixing extruder set;
the coupling agent liquid storage device is arranged at the initial section of the second-order double-screw mixing extruder set;
and the catalyst liquid storage device is arranged at the middle section of the second-order double-screw mixing extruder set.
2. The production system according to claim 1, wherein the kneader is a horizontal heavy kneader comprising:
a reaction kettle; the reaction kettle is provided with a powder inlet, a base rubber inlet, a discharge port, a vacuum device, a thermometer and an electric heating device; a discharge port valve and a booster pump are arranged at a discharge port of the reaction kettle; the vacuum device comprises a vacuum meter, a vacuum valve and a vacuum pump;
a material extrusion screw and a Z-shaped kneading blade which are arranged in the reaction kettle; the material extrusion screw is connected with a discharge hole of the reaction kettle;
a screw extrusion motor for controlling the material extrusion screw;
and a stirring motor for controlling the Z-shaped kneading blade.
3. The production system of claim 2, wherein the powder inlet is connected with a discharge port of the powder storage device, the base rubber inlet is connected with a discharge port of the base rubber storage device, and a discharge port of the reaction kettle is connected with a feed port of the first buffer storage device through a discharge port valve and a booster pump in sequence.
4. The production system of claim 1, wherein the first buffer storage device comprises:
a storage tank; the holding vessel is equipped with feed inlet, pressure gauge, ejection of compact pressure disk, discharge gate and electrical control system.
5. The production system of claim 4, wherein the discharge port of the storage tank is connected to the feed port of the first cooler.
6. The production system of claim 1, wherein the first cooler and the second cooler are both dual-pipe cooling devices; the double-pipe cooling device comprises:
two parallel feed lines; each feeding pipeline is provided with a cooling water inlet valve, a cooling water outlet valve and a material temperature probe.
7. The production system of claim 1, wherein the second buffer storage device comprises:
more than two storage tanks connected in parallel; every holding vessel all is equipped with feed valve and bleeder valve.
8. The production system of claim 1, wherein the crosslinking agent reservoir, the coupling agent reservoir, and the catalyst reservoir are reservoirs; the liquid storage pot is equipped with feed inlet, booster pump, liquid level pressure gauge and discharge gate.
9. The production system of claim 8, wherein the feed inlet of the liquid storage tank is connected to a raw material supply tank via a booster pump; and the discharge port of the liquid storage tank is connected with the feed port of the double-screw mixing extrusion unit through a liquid level pressure gauge and a booster pump in sequence.
Priority Applications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659520A (en) * | 2020-12-08 | 2021-04-16 | 江西蓝星星火有机硅有限公司 | Semi-continuous production process and production device of addition type liquid silicone rubber-based adhesive |
| CN112680158A (en) * | 2020-12-24 | 2021-04-20 | 武汉路圣材料科技有限公司 | Preparation method of composite polymer adhesive for permeable pavement |
| CN113459322A (en) * | 2021-07-28 | 2021-10-01 | 杭州之江新材料有限公司 | Continuous glue production line |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659520A (en) * | 2020-12-08 | 2021-04-16 | 江西蓝星星火有机硅有限公司 | Semi-continuous production process and production device of addition type liquid silicone rubber-based adhesive |
| CN112680158A (en) * | 2020-12-24 | 2021-04-20 | 武汉路圣材料科技有限公司 | Preparation method of composite polymer adhesive for permeable pavement |
| CN113459322A (en) * | 2021-07-28 | 2021-10-01 | 杭州之江新材料有限公司 | Continuous glue production line |
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