CN104493992A - Polytetrafluoroethylene high-speed mixing method and equipment - Google Patents
Polytetrafluoroethylene high-speed mixing method and equipment Download PDFInfo
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- CN104493992A CN104493992A CN201410753144.4A CN201410753144A CN104493992A CN 104493992 A CN104493992 A CN 104493992A CN 201410753144 A CN201410753144 A CN 201410753144A CN 104493992 A CN104493992 A CN 104493992A
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Abstract
The invention discloses a polytetrafluoroethylene high-speed mixing method. The polytetrafluoroethylene high-speed mixing method comprises the following steps: 1) setting high-speed mixing equipment, wherein the high-speed mixing equipment comprises a stirring tank, and the stirring tank is provided with a temperature regulation device, a flow disturbing device and an inverter; 2) discharging; 3) setting a temperature range of the equipment to be 15-30 DEG C; 4) entering into a stirring step, wherein the temperature regulation device is used for controlling the temperature range of the stirring tank, the flow disturbing device is used for controlling the angle and the height of a spoiler, and meanwhile, the inverter is used for controlling the stirring tank to carry out high and low speed cross circulation stirring; and 5) finishing stirring and automatically discharging by the equipment. The invention also discloses the equipment for implementing the method. Thereby, the material temperature can be automatically regulated and keeps stable; the angle and the height of the spoiler can be controlled in real time; high and low speed cross circulation stirring can be realized, so that the mixture is uniformly stirred, and the yield rate of product is increased; meanwhile, after finishing stirring, the material can be automatically discharged, so that the workload of employees is reduced and the production efficiency is improved.
Description
Technical field
The present invention relates to polytetrafluoroethylmaterial material manufacturing technology, particularly relate to a kind of high efficiency polytetrafluoroethylene (PTFE) mixed at high speed method and apparatus.
Background technology
Polytetrafluoroethylene (PTFE) (PTFE) has excellent chemical stability, corrosion resistance, sealing, height lubricate not viscosity, electrical insulating property and good anti-aging endurance, is likened to " King " by people; But also there is many weak points: line expansion factor is comparatively large, poor dimensional stability, mar proof are poor, poor thermal conductivity, hardness are low and the shortcoming such as " cold flow " phenomenon of showing under larger load, thus limits its application.In order to improve its performance, two kinds of approach below usual employing make up and improve: (1) adopts Inorganic Fillers Filled: inorganic filler such as ceramic powder, glass powder, graphite, molybdenum bisuphide, quartz and the metal dust etc. of in PTFE resin, filling different component make PTFE goods inside form network structure, thus improve his mechanical mechanics property; (2) high molecular polymer modification is adopted: in PTFE resin, mix other high polymers as polybenzoate, polyimides, polyphenyl, polyphenylene sulfide etc.
Therefore, the polytetrafluoroethylene (PTFE) of production high-quality, needs to adopt high-speed mixing equipment to carry out dry mixed.But existing high-speed mixer coolant water temperature and flow are generally fixed, regulate material temperature function limited, in mixed process, easily cause because mixing time is too short stirring uneven, material temperature when mixing time is long, then can be caused to raise, cause the easy conglomeration of compound, be unfavorable for following process; Spoiler is fixed, and it is different that the material of different densities rotates distribution space, the material of different densities and in the mixing cycle different mixing time cannot reach best flow-disturbing effect; Equipment high speed, low speed are separately control, and discharging needs operation separately; Unstable product quality, the production efficiency of overall manufacturing are lower, control complicated.
Summary of the invention
For above-mentioned deficiency, the invention provides the equipment of a kind of polytetrafluoroethylene (PTFE) mixed at high speed method and enforcement the method, it not only increases the convenience of operation, and material is uniformly mixed, and improves product yield and performance, enhances productivity.
The present invention for the adopted technical scheme that achieves the above object is:
A kind of polytetrafluoroethylene (PTFE) mixed at high speed method, comprises the steps:
1) arrange a high-speed mixing equipment, this high-speed mixing equipment comprises an agitator tank, and described agitator tank is installed a temperature-adjusting device, a disturbing flow device and a frequency converter;
2) raw material are put into described agitator tank, install to 1/4 to 3/4 of described agitator tank capacity, cover agitator tank top cover;
3) opening device, to the temperature range of equipment setting 15 ~ 30 degree;
4) enter whipping step, described temperature-adjusting device controls the temperature range of described agitator tank, and described disturbing flow device controls angle and the height of a spoiler, and meanwhile, agitator tank described in described Frequency Converter Control carries out at a high speed, low speed cross-circulation stirs;
5) stirred, equipment self-emptying.
Further, described step 2) also comprise, raw material are filled 1/2 of described agitator tank.
Further, described step 1) described in temperature-adjusting device, comprise a cooling-water machine, a temperature sensor and a controller; Described step 4) be control material temperature in described agitator tank by described controller by the water temperature of described cooling-water machine inner cooling water.
Further, described step 1) described in disturbing flow device comprise a stepper motor; Described step 4) described in the angle of spoiler be regulated by the step angle in setting stepper motor.
Further, described step 1) described in disturbing flow device in a lift cylinder is set; Described step 4) be the height being determined described spoiler by described lift cylinder according to raw-material particular location.
A kind of polytetrafluoroethylene (PTFE) high-speed mixing equipment implementing polytetrafluoroethylene (PTFE) mixed at high speed method, comprise a frame, described frame is provided with a driving motor and an agitator tank, described agitator tank is provided with a charging aperture and a discharging opening, wherein, also comprise a temperature-adjusting device, a disturbing flow device and a frequency converter, described temperature-adjusting device regulates raw-material temperature in described agitator tank, described disturbing flow device comprises a spoiler, and controlling height and the angle of described spoiler, high speed, the low speed cross-circulation of agitator tank described in described Frequency Converter Control stir.
Further, described temperature-adjusting device comprises a cooling-water machine, a temperature sensor and a controller, and described controller controls raw-material temperature in described agitator tank by the water temperature of described cooling-water machine inner cooling water.
Further, described disturbing flow device comprises a stepper motor and a lift cylinder, and described stepper motor is used for carrying out angular adjustment to described spoiler, and described lift cylinder is used for carrying out height to described spoiler and regulates.
Further, described lift cylinder connects a displacement mechanism by described stepper motor and substitutes, and described stepper motor is used for carrying out angle to described spoiler and highly regulating.
The invention provides a kind of polytetrafluoroethylene (PTFE) high-speed mixing equipment and mixed method thereof, automatically can regulate material temperature, guarantee the stable of material temperature; Can control angle and the height of spoiler in real time, mixer can realize at a high speed, and low speed cross-circulation stirs, compound is stirred evenly, improve quality of materials, improve product yield; Can self-emptying after having stirred simultaneously, processing ease, decreases the amount of labour of employee, improves production efficiency.
Above-mentioned is the general introduction of invention technical scheme, and below in conjunction with accompanying drawing and detailed description of the invention, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention polytetrafluoroethylene (PTFE) high-speed mixing equipment.
Fig. 2 is the flow chart of the preferred embodiment of polytetrafluoroethylene (PTFE) mixed at high speed method of the present invention.
In figure: frame 1; Driving motor 2; Agitator tank 3; Discharging opening 31; Cooling water intake 32; Cooling water outlet 33; Cooling water 34; Agitator tank top cover 35; Disturbing flow device 4; Spoiler 41; Stepper motor 42; Lift cylinder 43; Temperature sensor 5.
Detailed description of the invention:
For further setting forth the present invention for the technological means that reaches predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment of the present invention is described in detail.
Refer to Fig. 1 and Fig. 2, polytetrafluoroethylene (PTFE) mixed at high speed method provided by the invention, comprises the steps:
1) arrange high-speed mixing equipment, described high-speed mixing equipment comprises agitator tank 3, and this agitator tank 3 is installed temperature-adjusting device, disturbing flow device 4 and frequency converter;
2) compound is put into agitator tank 3, install to 1/4 to 3/4 of agitator tank 3 capacity, the agitator tank top cover 35 of agitator tank 3 is built, shown in figure 1; Preferably in embodiment, be generally 1/2 of agitator tank 3.
3) opening device, to the blend temperature range of equipment setting 15 ~ 30 degree;
4) enter whipping step, the temperature that this temperature-adjusting device controls agitator tank 3 remains on set temperature value scope, and disturbing flow device 4 controls angle and the height of spoiler 41, and meanwhile, Frequency Converter Control agitator tank 3 carries out low speed, high speed cross-circulation stirs;
Wherein, this temperature-adjusting device comprises cooling-water machine, temperature sensor and controller, and this temperature sensor is for detecting the temperature of compound in agitator tank 3, and this controller controls the temperature of compound in agitator tank 3 by the water temperature of this cooling-water machine inner cooling water;
Arrange stepper motor 42 and lift cylinder 43 in this disturbing flow device 4, the angle of spoiler 41 is regulated by the step angle in setting stepper motor 42, and lift cylinder 43 is according to the height of the particular location determination spoiler 41 of compound.
5) stirred, equipment self-emptying.
Refer to Fig. 1, the polytetrafluoroethylene (PTFE) high-speed mixing equipment of the enforcement said method that the present embodiment provides, comprise frame 1, this frame 1 is provided with driving motor 2 and agitator tank 3, this agitator tank 3 is provided with charging aperture (not shown) and discharging opening 31, simultaneously, also comprise temperature-adjusting device (not shown), disturbing flow device 4 and frequency converter (not shown), this temperature-adjusting device is used for the temperature automatically regulating compound in this agitator tank 3, this disturbing flow device 4 comprises spoiler 41, and to the angle of this spoiler 41 with highly control, this frequency converter is for controlling the high speed of agitator tank 3, low speed cross-circulation stirs.
When opening device switch carries out work, the temperature of compound in agitator tank 3 is detected by temperature sensor 5, open temp adjusting device, cooling water is regulated to guarantee that equipment is in the work of set temperature value scope, thus control the temperature of compound, and when material temperature exceeds design temperature scope, temperature-adjusting device regulates uninterrupted and the water temperature of cooling water voluntarily according to material temperature, can increase and decrease from the flow of cooling water intake 32 and cooling water outlet 33 pairs of cooling waters respectively, simultaneously can from the flow of the side observation cooling water 34 of agitator tank 3, thus guarantee the stable of material temperature, disturbing flow device 4, according to the distribution of compound diverse location in agitator tank 3, regulates angle and the height of spoiler 41, guarantees that the compound kicked up fully mixes, meanwhile, frequency converter in conjunction with controller, can control agitator tank 3 carry out high temperature, low temperature cross-circulation stir, thus make compound stir evenly.
In the present embodiment, this temperature-adjusting device comprises cooling-water machine, temperature sensor 5 and controller, mixing apparatus utilizes the water temperature of cooling-water machine controlled cooling model water, temperature sensor 5 is utilized to detect the temperature of mixing apparatus, this controller is used for the temperature controlling compound in this agitator tank 3 according to the water temperature of cooling-water machine inner cooling water, preferably, controller can select programmable logic controller (PLC) (Programmable LogicController, PLC).Namely when material temperature exceeds design temperature scope, controller regulates uninterrupted and the water temperature of cooling water voluntarily according to material temperature, thus guarantees the stable of material temperature.
In the present embodiment, disturbing flow device 4 comprises stepper motor 42 and lift cylinder 43, and stepper motor 42 is for carrying out angular adjustment to spoiler 41, and lift cylinder 43 regulates for carrying out height to spoiler 41.The lateral attitude distribution that stepper motor 42 is different in agitator tank according to compound, regulate the angle of spoiler 41, the lengthwise position distribution that lift cylinder 43 is different in agitator tank according to compound, regulate the height of spoiler 41, the angle of namely different in mixing cycle mixing time point spoilers 41 and highly different, guarantees that the compound kicked up fully mixes.
In addition, in another embodiment, when needing the position of accurately location spoiler 41, this lift cylinder 43 can select stepper motor 42 or servo motor to replace, namely this stepper motor 42 available carries out angle to spoiler 41 simultaneously and highly regulates, or regulate the angle of spoiler 41 with stepper motor 42, and regulate the height of spoiler 41 with servo motor.By regulating angle and the height of spoiler 41, guarantee that the compound kicked up fully mixes.
In sum, the invention provides polytetrafluoroethylene (PTFE) mixed at high speed method and apparatus, automatically can regulate material temperature, guarantee the stable of material temperature; Can control angle and the height of spoiler in real time, mixer can realize at a high speed, and low speed cross-circulation stirs, compound is stirred evenly, improve product yield; Can self-emptying after having stirred simultaneously, decrease the amount of labour of employee, improve production efficiency and product quality.
The above is only preferred embodiment of the present invention, not imposes any restrictions technical scope of the present invention, therefore the equivalence change that all utilizations description of the present invention and accompanying drawing content are done, all within protection scope of the present invention.
Claims (9)
1. a polytetrafluoroethylene (PTFE) mixed at high speed method, is characterized in that, it comprises the steps:
1) arrange a high-speed mixing equipment, this high-speed mixing equipment comprises an agitator tank, and described agitator tank is installed a temperature-adjusting device, a disturbing flow device and a frequency converter;
2) raw material are put into described agitator tank, install to 1/4 to 3/4 of described agitator tank capacity, cover agitator tank top cover;
3) opening device, to the temperature range of equipment setting 15 ~ 30 degree;
4) enter whipping step, described temperature-adjusting device controls the temperature range of described agitator tank, and described disturbing flow device controls angle and the height of a spoiler, and meanwhile, agitator tank described in described Frequency Converter Control carries out at a high speed, low speed cross-circulation stirs;
5) stirred, equipment self-emptying.
2. polytetrafluoroethylene (PTFE) mixed at high speed method as claimed in claim 1, is characterized in that, described step 2) also comprise, raw material are filled 1/2 of described agitator tank.
3. polytetrafluoroethylene (PTFE) mixed at high speed method as claimed in claim 1, is characterized in that, described step 1) described in temperature-adjusting device, comprise a cooling-water machine, a temperature sensor and a controller; Described step 4) be control material temperature in described agitator tank by described controller by the water temperature of described cooling-water machine inner cooling water.
4. polytetrafluoroethylene (PTFE) mixed at high speed method as claimed in claim 1, is characterized in that, described step 1) described in disturbing flow device comprise a stepper motor; Described step 4) described in the angle of spoiler be regulated by the step angle in setting stepper motor.
5. polytetrafluoroethylene (PTFE) mixed at high speed method as claimed in claim 1, is characterized in that, described step 1) described in disturbing flow device in a lift cylinder is set; Described step 4) be the height being determined described spoiler by described lift cylinder according to raw-material particular location.
6. one kind implements the claims the polytetrafluoroethylene (PTFE) high-speed mixing equipment of the described method of one of 1-5, comprise a frame, described frame is provided with a driving motor and an agitator tank, described agitator tank is provided with a charging aperture and a discharging opening, it is characterized in that, also comprise a temperature-adjusting device, one disturbing flow device and a frequency converter, described temperature-adjusting device regulates raw-material temperature in described agitator tank, described disturbing flow device comprises a spoiler, and control angle and the height of described spoiler, the high speed of agitator tank described in described Frequency Converter Control, low speed cross-circulation stirs.
7. polytetrafluoroethylene (PTFE) high-speed mixing equipment as claimed in claim 6, it is characterized in that, described temperature-adjusting device comprises a cooling-water machine, a temperature sensor and a controller, and described controller controls raw-material temperature in described agitator tank by the water temperature of described cooling-water machine inner cooling water.
8. polytetrafluoroethylene (PTFE) high-speed mixing equipment as claimed in claims 6 or 7, it is characterized in that, described disturbing flow device comprises a stepper motor and a lift cylinder, and described stepper motor is used for carrying out angular adjustment to described spoiler, and described lift cylinder is used for carrying out height to described spoiler and regulates.
9. polytetrafluoroethylene (PTFE) high-speed mixing equipment as claimed in claim 8, it is characterized in that, described lift cylinder connects a displacement mechanism by described stepper motor and substitutes, and described stepper motor is used for carrying out angle to described spoiler and highly regulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410753144.4A CN104493992A (en) | 2014-12-09 | 2014-12-09 | Polytetrafluoroethylene high-speed mixing method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410753144.4A CN104493992A (en) | 2014-12-09 | 2014-12-09 | Polytetrafluoroethylene high-speed mixing method and equipment |
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| CN104493992A true CN104493992A (en) | 2015-04-08 |
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| CN201410753144.4A Pending CN104493992A (en) | 2014-12-09 | 2014-12-09 | Polytetrafluoroethylene high-speed mixing method and equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105128270A (en) * | 2015-09-10 | 2015-12-09 | 芜湖蓝博塑胶有限公司 | Raw material batching device for injection molding materials |
| CN109225661A (en) * | 2018-11-08 | 2019-01-18 | 沈阳工程学院 | A kind of flotation device process control equipment and control method |
| CN111804255A (en) * | 2020-05-19 | 2020-10-23 | 桐昆集团浙江恒通化纤有限公司 | Method for enhancing stirring effect of esterification reaction kettle |
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| JP2001225321A (en) * | 2000-02-15 | 2001-08-21 | Teijin Chem Ltd | Method for mixing thermoplastic resin composition |
| US20030164201A1 (en) * | 2000-11-17 | 2003-09-04 | Volker Kopp | Process for filling a mixture of at least two monomeric and/or oligomeric components into a container |
| CN2768892Y (en) * | 2004-12-20 | 2006-04-05 | 张乐如 | Wet synthetic reactor |
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| CN111804255A (en) * | 2020-05-19 | 2020-10-23 | 桐昆集团浙江恒通化纤有限公司 | Method for enhancing stirring effect of esterification reaction kettle |
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Application publication date: 20150408 |