CN213198391U - Low volatile silica gel mill base serialization production system - Google Patents
Low volatile silica gel mill base serialization production system Download PDFInfo
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- CN213198391U CN213198391U CN202021839516.2U CN202021839516U CN213198391U CN 213198391 U CN213198391 U CN 213198391U CN 202021839516 U CN202021839516 U CN 202021839516U CN 213198391 U CN213198391 U CN 213198391U
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Abstract
The utility model provides a low volatile silica gel mill base serialization production system, the powder drying device of system and take off low device and be connected with premixing conveyor respectively, premixing conveyor is connected with grinder, grinder is connected with the filter, and the filter is connected with the cooler, and the cooler is connected to automatic packaging letter sorting warehouse entry system. The raw materials pretreated by the system solve the problems that the powder and the liquid are directly mixed and dispersed without pretreatment and the low boiling effect of the later-stage removed materials is not obvious, and improve the compatibility and the quality of the powder and the liquid; the premixing and dispersing of the premixing and conveying device are firstly carried out, and then the grinding of the grinding device is carried out, so that the dispersibility of powder in liquid and the fineness uniformity of color paste are ensured; the labor intensity is reduced; the volatile component of the pretreated raw material can be less than 0.50 percent, the volatile component of the finished color paste product can be controlled to be less than 0.50 percent, and the low volatile component of the color paste is beneficial to improving the storage stability of the color paste.
Description
Technical Field
The utility model relates to a silica gel mill base production technical field, in particular to low volatile silica gel mill base serialization production system.
Background
The silica gel color paste is functional paste for endowing silica gel and products thereof with colors, and is mainly prepared by the steps of preparing toners or semi-finished products with different colors, a plasticizer, a functional auxiliary agent and the like through strict processing modes and precise process control. In the current industrial production, the raw rubber or the plasticizer is directly mixed with the toner, and then the silica gel and the silica gel products are colored by the processes of kneading, mixing, high-speed dispersion and the like. There are the following problems: 1. the toner is fine particles, is easy to float, has the risks of dust safety and environmental damage, is difficult to comprehensively treat, and has a production environment worse than other workshops; 2. the main raw material of the silica gel color paste is plasticizer (white oil or silicone oil), but the content of low-boiling-point substances of the domestic plasticizer is higher, most of toner is easy to absorb moisture, and the dispersibility and compatibility of the plasticizer and the toner are seriously influenced; 2. the raw materials are not pretreated or are not fully pretreated, the volatile matter of the produced color paste is more than 1.0 percent, and the high volatile matter of some color pastes, even more than 2.0 percent, seriously influences the performances of the silica gel and the products thereof, such as bonding, sealing, weather resistance and the like.
Chinese patent CN 103230756B discloses a continuous production method and an automatic production line of color paste, which comprise a continuous production method and a continuous production system for obtaining finished products by powder conveying, metering, pre-dispersing of a feeding machine and liquid materials and mixing and dispersing of a double screw machine, but the color paste still has the defects of uneven fineness, unstable quality of the finished products and the like. China CN 205097392U discloses a continuous production system of silica gel mill base, which comprises a powder quantitative conveying device, a double-screw grinding device, a grinding pump, a booster pump, a filter, a cooler and a split charging device which are connected end to end in sequence, although the powder and liquid materials are mixed and are provided with vacuumizing, the low-boiling effect is not obvious, the problems that the dispersibility and the shape of the toner and the plasticizer are seriously influenced by the raw materials without comprehensive recycling of the toner and tail gas treatment and high content of low-boiling water and moisture, more manpower is consumed by an automatic packaging system, the volatile matter of the produced mill base cannot be stably controlled, and the result is higher exist.
In order to solve the problems, the continuous production system of the silica gel color paste with low volatile content is very necessary to be related and developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low volatile silica gel mill base serialization production system can produce and prepare out low volatile high-quality mill base, can realize serialization production, but greatly reduced intensity of labour and manufacturing cost.
The technical scheme of the continuous production system of the low-volatile silica gel color paste comprises the following steps: the device comprises a powder raw material drying device, a powder metering device, a liquid raw material low-removing device, a liquid material metering device, a premixing and conveying device, a grinding device, a booster pump, a filter, a condenser and an automatic packaging, sorting and warehousing system.
The powder drying device and the take-off device are respectively connected with the premixing conveying device, the premixing conveying device is connected with the grinding device, the grinding device is connected with the filter, the filter is connected with the cooler, and the cooler is connected to the automatic packaging, sorting and warehousing system.
A powder metering device is arranged at the joint of the powder drying device and the premixing conveying device; and a liquid material metering device is arranged at the joint of the take-off device and the premixing conveying device.
A booster pump is arranged between the grinding device and the filter.
The powder drying device is also provided with a powder recycling and tail gas treatment system; the liquid raw material low-removing device also comprises a low-boiling recycling treatment system.
The premixing and conveying device is characterized in that a mixing screw rod and a material self-circulation system are preferably selected, wherein the mixing screw rod comprises a plurality of groups of blades, and can be provided with a vacuum-pumping system and a heating and heat-preserving system on the outer wall.
The grinding device is provided with a vacuum pumping system, and the outer wall of the grinding device is provided with a heating and heat-preserving system; the automatic packaging system comprises supporting equipment and systems for automatic subpackaging, metering, sealing, marking, sorting, warehousing and the like.
The beneficial effect of adopting above-mentioned technical scheme is:
the pretreated raw materials solve the problems that the powder and the liquid are directly mixed and dispersed without pretreatment, and the low-boiling effect of the later-stage removed material is not obvious, so that the compatibility and the quality of the powder and the liquid are improved; the premixing and dispersing of the premixing and conveying device are firstly carried out, and then the grinding of the grinding device is carried out, so that the dispersibility of powder in liquid and the fineness uniformity of color paste are ensured; the automatic packaging system comprises automatic systems for automatic packaging, metering, sealing, marking, sorting, warehousing and the like, can reduce the labor by about 75 percent, and greatly reduce the labor intensity; the volatile component of the pretreated raw material can be less than 0.50 percent, the volatile component of the finished color paste product can be controlled to be less than 0.50 percent, and the low volatile component of the color paste is beneficial to improving the storage stability of the color paste.
Drawings
FIG. 1 is a schematic view of a continuous production system for low volatile silica gel mill base. The system comprises a powder raw material drying device 10, a powder metering device 20, a liquid raw material lowering device 30, a liquid material metering device 40, a premixing and conveying device 50, a grinding device 60, a booster pump 70, a filter 80, a cooler 90 and an automatic packaging, sorting and warehousing system 100.
Detailed Description
Example 1
A low-volatile silica gel color paste continuous production system comprises a powder raw material drying device 10, a metering device 20, a liquid raw material reducing device 30, a metering device 40, a premixing and conveying device 50, a grinding device 60, a booster pump 70, a filter 80, a cooler 90 and an automatic packaging, sorting and warehousing system 100.
A continuous production system for low-volatile silica gel color glue is characterized in that a powder drying device 10 and a de-reduction device 30 are respectively connected with a premixing conveying device 50, the premixing conveying device 50 is connected with a grinding device 60, the grinding device 60 is connected with a filter 80, the filter 80 is connected with a cooler 90, and the cooler 90 is connected to an automatic packaging, sorting and warehousing system 100.
A powder metering device 20 is arranged at the joint of the powder drying device 10 and the premixing and conveying device 50; the liquid material metering device 40 is arranged at the joint of the lower removing device 30 and the premixing and conveying device 50.
A booster pump 70 is provided between the grinder 60 and the filter 80.
The powder raw material drying device 10 is selected from a CXG series of an ultrafine powder dryer, the powder metering device 20 is selected from a screw type weightlessness metering scale MG-QS series, the liquid raw material lowercase device 30 is selected from a LPG series of a high-speed centrifugal spray dryer or a short-distance distiller DZQ series, the liquid material metering device 40 is selected from a gear flowmeter or a turbine flowmeter or a double-screw flowmeter of KEM company, the premixing and conveying device 50 is selected from a TDS series of a double-screw extruder set, the grinding device 60 is selected from a BMES series of pipeline grinding pumps, the booster pump 70 is selected from a horizontal ZYB series, the filter 80 is selected from a pipeline type filter DN 50-250, the cooler 90 is selected from a condenser with the heat exchanger area of 8-30 m2, the automatic packaging and sorting warehousing system 100 is selected from a full-automatic packaging and warehousing production line and auxiliary equipment, wherein the full-automatic, The full-automatic cover-covering machine comprises a full-automatic cover-covering fastening machine, an automatic nameplate-pasting marking machine, a full-automatic stacker crane, a full-automatic conveying machine to a warehouse conveyor, accessory equipment and the like.
Example 2
Feeding the powder A (carbon black M460) into a powder drying device 10 ultrafine powder dryer CXG-1000, and inputting the dried powder B into a powder interlocking automatic metering device 20 screw type weight loss metering scale MG-QS 68; the liquid material C (No. 5 white oil) enters a short-range distiller DZQ-1.0-8 (the volume is 1 m) of the liquid material de-reduction device 303Heat exchange area 8m2) Inputting the liquid material D after the short-path distiller is subjected to dehydration at the temperature of 100 +/-3 ℃ and the pressure of 400pa into a liquid material interlocking automatic metering device 40 double-screw flowmeter; liquid D is input into a liquid port slightly in front of TDS-90 of the double-screw extruder set of the premixing and conveying device 50, powder B is input into a powder port slightly behind the premixing and conveying device 50, and liquid D (No. 5 white oil after low removal) is set to flowThe speed is 500kg/h, the flow rate of powder B (dried carbon black M460) is set to be 150kg/h, and the auxiliary heating is set to be 90-100 ℃; the liquid and powder raw materials are pre-dispersed in the pre-mixing conveying device 50 and pushed to advance to mix the material E; starting a material self-circulation system in advance, and dispersing, mixing and circulating a mixed material E in the material self-circulation system and a screw for a period of time to obtain a premixed material F; a grinding device 60 is a pipeline type grinding pump BMES-100, the temperature of a heating device is started in advance and is set to be 90-100 ℃, the premixed material enters the grinding device 60 to be ground and dispersed, the ground material G is pressurized to a filter 80 by a booster pump 70 ZYB-3 and then passes through a pipeline type filter DN150, and then passes through a cooler 90 condenser (the heat exchange area is 10m 2); and (4) the heat exchange enters a full-automatic packaging, stacking and warehousing process of the automatic packaging, sorting and warehousing system 100, and finished products are subjected to automatic sub-packaging, metering, sealing, labeling, sorting and warehousing. The low-boiling-point substances of the powder A (carbon black M460) and the liquid C (No. 5 white oil) after treatment are respectively 0.15 percent and 0.45 percent, and the volatile content of the finished color paste is 0.45 percent.
The low-boiling-point substance of the powder A (carbon black M460) and the liquid C (No. 5 white oil) after being processed is less than 0.50 percent, and the volatile matter of the finished color paste is less than 0.50 percent.
Example 3
Feeding the powder A (carbon black M880) into a powder drying device 10 ultrafine powder dryer CXG-1500, and inputting the dried powder B into a powder interlocking automatic metering device 20 screw type weight loss metering scale MG-QS 68; liquid C (viscosity 500 mm)2The/s dimethyl silicone oil) enters a short-range distiller DZQ-3.0-15 (the volume is 3 m) of the liquid material low-removing device 303Heat exchange area 15m2) Inputting the liquid material D after the short-path distiller process parameter temperature is 190 +/-3 ℃ and the pressure is 150pa into a liquid material interlocking automatic metering device 40 double-screw flowmeter; liquid D is input into a liquid port slightly in front of TDS-90 of the double-screw extruder set of the premixing and conveying device 50, powder B is input into a powder port slightly behind the premixing and conveying device 50, and the liquid D (the viscosity after being reduced is 500 mm)2Dimethyl silicone oil) at a flow rate of 1200kg/h, powder B (dried carbon powder M880) at a flow rate of 240kg/h, and auxiliary heating at a temperature of 90-100 ℃; the liquid and powder raw materials are pre-dispersed in the pre-mixing conveying device 50 and pushed to advance to mix the material E; the material self-circulation system is started in advance, and the mixed material E isDispersing, mixing and circulating the materials in a self-circulation system and a screw for a period of time to obtain a premixed material F; a grinding device 60 is provided with a pipeline type grinding pump BMES-250, the temperature of a heating device is started in advance and is set to 90-100 ℃, the premixed material enters the grinding device 60 to be ground and dispersed, the ground material G is pressurized to a filter 80 by a booster pump 70 ZYB-3 and then to a pipeline type filter DN250, and then to a cooler 90 condenser (the heat exchange area is 20m 2); and (4) the heat exchange enters a full-automatic packaging, stacking and warehousing process of the automatic packaging, sorting and warehousing system 100, and finished products are subjected to automatic sub-packaging, metering, sealing, labeling, sorting and warehousing. The low-boiling-point substances of the powder A (carbon black M880) and the liquid C (viscosity of 500mm2/s dimethyl silicone oil) after treatment are respectively 0.16 percent and 0.18 percent, and the volatile content of the finished color paste is 0.25 percent.
The low-boiling-point substances of the powder A (carbon black M880) and the liquid C (viscosity of 500mm2/s dimethyl silicone oil) are less than 0.30 percent after treatment, and the volatile content of the finished color paste is less than 0.30 percent.
In the utility model, the powder drying device 10 can effectively remove the moisture and low boiling of the powder, reduce the influence of the ambient humidity and temperature on the powder, and is provided with a powder recovery and tail gas treatment system, thereby reducing the powder loss and improving the production environment; the liquid material low-boiling removal device 20 can effectively remove the low boiling of the liquid material, and because the ratio of the liquid material plasticizer, the auxiliary agent and other raw materials is more than 50%, the effective control of the low boiling of the liquid material is beneficial to the production and preparation of the low volatile color paste, and the liquid material recycling device is arranged, so that the loss of the liquid material is reduced; the powder drying device 10 and the liquid material low-boiling removal device 20 remove low boiling before mixing powder and liquid, have good practical effect, solve the problems that the low-boiling removal effect of the material is not obvious in the later period due to the direct mixing and dispersion of the powder and the liquid material, and the drying or low-boiling removal of the powder and the liquid material is an important process for controlling the low volatile index of the color paste; the powder material is easy to cause formula proportion distortion due to poor metering and conveying, and a material self-circulation system of the premixing and conveying device 50 can ensure that the powder material and the liquid material are uniformly mixed according to the proportion; the vacuumizing and heating equipment in the premixing and conveying device 50 and the grinding device 60 can continuously pump out low-boiling point and air bubbles such as water and the like in the system; the automatic packaging, sorting and warehousing system 100 has the advantages that the labor is reduced by about 50%, the labor intensity is greatly reduced, and the reliability of products is improved. The volatile content of the pretreated raw materials is less than 0.50 percent under the normal condition, the volatile content of the finished color paste product can be controlled within 0.50 percent, and the low volatile content of the color paste is beneficial to improving the storage stability of the color paste.
Claims (3)
1. A low volatile silica gel mill base serialization production system which characterized in that: the powder drying device (10) and the low-removing device (30) are respectively connected with the premixing and conveying device (50), the premixing and conveying device (50) is connected with the grinding device (60), the grinding device (60) is connected with the filter (80), the filter (80) is connected with the cooler (90), and the cooler (90) is connected to the automatic packaging, sorting and warehousing system (100).
2. The continuous production system of the low-volatile silica gel paste according to claim 1, wherein: a powder metering device (20) is arranged at the joint of the powder drying device (10) and the premixing and conveying device (50); and a liquid material metering device (40) is arranged at the joint of the take-off device (30) and the premixing conveying device (50).
3. The continuous production system of the low-volatile silica gel paste according to claim 1, wherein: a booster pump (70) is provided between the polishing device (60) and the filter (80).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021839516.2U CN213198391U (en) | 2020-08-28 | 2020-08-28 | Low volatile silica gel mill base serialization production system |
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| CN202021839516.2U CN213198391U (en) | 2020-08-28 | 2020-08-28 | Low volatile silica gel mill base serialization production system |
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