A kind of preparation facilities of functional fluoropolymer film polyflon
Technical field
The utility model is related to a kind of preparation facilities of the extraordinary polyflon for the manufacture of functional fluoropolymer film.
Background technology
Polytetrafluoroethylene (PTFE) (Teflon or PTFE), is commonly called as " King ", is formed by tetrafluoroethylene monomer (TFE) is aggregated
Macromolecular compound, with excellent chemical stability, corrosion resistance, sealing, high lubrication non-stick, electrical insulating property and good
Good anti-aging endurance.At present be widely used in aviation, aerospace, atomic energy, electronics, electrical equipment, chemical industry, machinery, building,
The industrial departments such as light textile, medicine, and be increasingly deep into the daily life of the people.
Polytetrafluoroethylene (PTFE) can be by suspending and disperseing two kinds of polymerization techniques to obtain, and gained resin is produced by obtaining powder after drying
Product, or obtain concentrated emulsion by concentration.Wherein polymerization technique is by qualified TFE monomers, in initiator and other auxiliary agents
Under effect, with deionized water as medium, under certain temperature, pressure and mixing speed carrying out polymerisation in polymeric kettle obtains
To corresponding product.TFE monomers will be gasified by liquid in monomer measuring tank and be boosted in whole polymerization process, by pressure
Difference is entered in reactor by the certain flow of governor valve control.
Extraordinary functional fluoropolymer film polyflon is the one kind obtained by processing routines such as polymerization, post processings
Macromolecular material;With high-purity TFE monomers as primary raw material, using the specific polymerization technique such as microemulsified High Temperature Disperse polymerization and specially
There is equipment, accurately control polymer molecular weight, prepare the polyflon for meeting masking needs;The resin remains poly-
It is tetrafluoroethene high temperature resistant, low temperature resistant, corrosion-resistant, weatherability, lubrication high, acid and alkali-resistance, anti-oxidant:Powerful oxidation corrosion resistance agent burn into is nontoxic
The excellent properties such as evil;Simultaneously but also with the property of masking resin.
Currently used for the preparation facilities of tetrafluoroethene dispersion resin, the control stability of course of reaction is not high, causes resin
The performance inconsistency such as molecular weight it is big, it is difficult to meet the high performance requirements of the special materials such as functional fluoropolymer film, domestic material requested, absolutely
It is most of to rely on import.
Utility model content
Technical problem to be solved in the utility model is:A kind of easily controllable course of reaction, product quality stabilization are provided
Functional fluoropolymer film polyflon preparation facilities.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:A kind of functional fluoropolymer film is with poly- four
The preparation facilities of fluoroethylene resin, including reaction system, temperature elevation system and cooling system;
The reaction system includes horizontal reacting kettle and spiral agitator, and the spiral agitator is horizontally set on Horizontal counter
Answer in kettle, the horizontal reacting kettle is externally provided with reaction chuck, the reaction chuck is connected with temperature elevation system and cooling system simultaneously;
The bottom of the reaction chuck is provided with cold and hot matchmaker's input channel, and cold and hot matchmaker's output is provided with the top of the reaction chuck
Pipeline;
The TFE feed pipes that are communicated with horizontal reacting kettle, modified monomer is sequentially provided with the top of the horizontal reacting kettle to enter
Expects pipe, auxiliary agent feed pipe, deionized water feed pipe, material recycle pipe, vacuum-pumping tube and blasting cartridge, the bottom of the horizontal reacting kettle
Portion is provided with discharge nozzle, described TFE feed pipes, modified monomer feed pipe, auxiliary agent feed pipe, deionized water feed pipe, material time
Closed tube, vacuum-pumping tube are equipped with control valve, and flowmeter is provided with the TFE feed pipes;
Cold and hot matchmaker's output channel is also associated with heating agent recovery channel, and the heating agent recovery channel connects with temperature elevation system
Connect, temperature sensor is provided with the heating agent recovery channel.
Further, one end of the vacuum-pumping tube is connected with horizontal reacting kettle, and the other end is connected with vavuum pump.
Further, it is provided with temperature sensor in the reaction chuck.
Further, circulating pump and flowmeter are provided with cold and hot matchmaker's input channel.
Further, the temperature elevation system includes heating agent pipeline, and the heating agent pipeline is connected with cold and hot matchmaker's input channel.
Further, the cooling system includes closed cooling tower and cyclic water tank, the entrance of closed cooling tower and circulation
The entrance of water tank is connected with cold and hot matchmaker's output channel, and the outlet of enclosed cooling tube and the outlet of cyclic water tank are defeated with cold and hot matchmaker
Enter pipeline connection.
Further, the cyclic water tank is additionally provided with moisturizing pipeline, and the moisturizing pipeline is used to be supplemented in cyclic water tank
Water.
The beneficial effects of the utility model are:Reaction chuck is connected with temperature elevation system and cooling system simultaneously so that anti-
It is seasonable to be passed through heating agent to reaction chuck, stop being passed through heating agent at the end of reaction, it is passed through refrigerant to reaction chuck so that reaction
Process is easily controllable.
Brief description of the drawings
Fig. 1 is the structural representation of the preparation facilities of the functional fluoropolymer film polyflon of the utility model embodiment 1
Figure.
Label declaration:
11st, horizontal reacting kettle;111st, TFE feed pipes;112nd, modified monomer feed pipe;
113rd, auxiliary agent feed pipe;114th, deionized water feed pipe;115th, material recycle pipe;
116th, vacuum-pumping tube;117th, blasting cartridge;118th, discharge nozzle;12nd, spiral agitator;
13rd, chuck is reacted;14th, cold and hot matchmaker's input channel;141st, circulating pump;15th, cold and hot matchmaker's output channel;21st, heat medium pipe
Road;31st, closed cooling tower;32nd, cyclic water tank;33rd, moisturizing pipeline;4th, flowmeter;5th, temperature sensor;6th, valve is controlled;7th, heat
Matchmaker's recovery channel.
Specific embodiment
It is to describe technology contents of the present utility model, the objects and the effects in detail, below in conjunction with implementation method and matches somebody with somebody
Accompanying drawing is closed to be explained.
The design of the utility model most critical is:Reaction chuck is connected with temperature elevation system and cooling system simultaneously so that
Heating agent is passed through to reaction chuck during reaction, stops being passed through heating agent at the end of reaction, be passed through refrigerant to reaction chuck so that anti-
Answer process easily controllable.
Refer to Fig. 1, a kind of preparation facilities of functional fluoropolymer film polyflon, including reaction system, intensification
System and cooling system;
The reaction system includes horizontal reacting kettle 11 and spiral agitator 12, and the spiral agitator is horizontally set on sleeping
In formula reactor, the horizontal reacting kettle be externally provided with reaction chuck 13, it is described reaction chuck simultaneously with temperature elevation system and cooling system
System connection;
The bottom of the reaction chuck is provided with cold and hot matchmaker's input channel 14, and it is defeated to be provided with cold and hot matchmaker at the top of the reaction chuck
Go out pipeline 15.
Knowable to foregoing description, the beneficial effects of the utility model are:Reaction chuck simultaneously with temperature elevation system and cooling
System is connected so that be passed through heating agent to reaction chuck during reaction, stops being passed through heating agent at the end of reaction, is passed through to reaction chuck cold
Matchmaker so that course of reaction is easily controllable.
Further, the TFE feed pipes for being communicated with horizontal reacting kettle are sequentially provided with the top of the horizontal reacting kettle
111st, modified monomer feed pipe 112, auxiliary agent feed pipe 113, deionized water feed pipe 114, material recycle pipe 115, vacuum-pumping tube
116 and blasting cartridge 117, the bottom of the horizontal reacting kettle is provided with discharge nozzle 118, flowmeter 4 is provided with the TFE feed pipes.
Further, described TFE feed pipes, modified monomer feed pipe, auxiliary agent feed pipe, deionized water feed pipe, thing
Material recovery tube, vacuum-pumping tube are equipped with control valve 6.
Further, it is provided with temperature sensor 5 in the reaction chuck.
Further, be provided with cold and hot matchmaker's input channel circulating pump 141 (circulating pump be variable frequency adjustment circulating pump) and
Flowmeter, can be used for being precisely controlled for temperature and flow.
Further, the temperature elevation system includes heating agent pipeline 21, and the heating agent pipeline is connected with cold and hot matchmaker's input channel.
Further, the cooling system include closed cooling tower 31 and cyclic water tank 32, the entrance of closed cooling tower and
The entrance of cyclic water tank is connected with cold and hot matchmaker's output channel, the outlet of enclosed cooling tube and the outlet of cyclic water tank with it is cold and hot
Matchmaker's input channel is connected.
Seen from the above description, at the end of reaction, hot water is flowed into closed cooling tower and circulation from cold and hot matchmaker's output channel
Water tank, is then input into cooling water to reclaim reaction heat by closed cooling tower and cyclic water tank to cold and hot matchmaker's input channel so that
Course of reaction is easily controllable, while cold and hot matchmaker can be recycled.
Further, the cyclic water tank is additionally provided with moisturizing pipeline 33, and the moisturizing pipeline is used to be mended in cyclic water tank
Water-filling.
Further, cold and hot matchmaker's output channel is also associated with heating agent recovery channel 7, the heating agent recovery channel and liter
Warm system connection, temperature sensor 5 is provided with the heating agent recovery channel.
Seen from the above description, cold and hot matchmaker's output channel is also associated with heating agent recovery channel so that reaction is reacted after terminating
Heating agent in chuck can be recycled utilization, energy saving;Temperature sensor is provided with heating agent recovery channel so that system of heating up
System can as needed control heating rate and heating agent flow velocity.
The utility model is also provided and is polymerized with the preparation facilities of polyflon according to above-mentioned functional fluoropolymer film
Method, comprise the following steps:About 50~70% volume deionized waters are added in polymeric kettle, fluorochemical surface is added after vacuumizing
Activating agent, emulsion stabilizer, PH conditioning agents, initiator, are then passed through tetrafluoroethylene monomer with the feed rate of 5~30kg/min
Reacted, heated up with the temperature rise rate of 1~10 DEG C/min until reaction temperature is maintained at 80~100 DEG C, and controls reaction pressure
Power is 1.8~2.5MPa, and the rotating speed in course of reaction with 20~80r/min is stirred, and polytetrafluoro is obtained by reacting after terminating
Vinyl finished product.
Further, the quality of the fluorine-containing surfactant is the 0.05~1.5% of the quality of water, emulsion stabilizer
Quality is the 2~4% of the quality of water.
Embodiment 1
Refer to Fig. 1, a kind of preparation facilities of functional fluoropolymer film polyflon, including reaction system, intensification
System and cooling system;The reaction system includes horizontal reacting kettle 11 and spiral agitator 12, the spiral agitator level
It is arranged in horizontal reacting kettle, the horizontal reacting kettle is externally provided with reaction chuck 13, and the reaction chuck is while and temperature elevation system
Connected with cooling system;The bottom of the reaction chuck is provided with cold and hot matchmaker's input channel 14, is provided with the top of the reaction chuck
Cold and hot matchmaker's output channel 15.The TFE feed pipes for being communicated with horizontal reacting kettle are sequentially provided with the top of the horizontal reacting kettle
111st, modified monomer feed pipe 112, auxiliary agent feed pipe 113, deionized water feed pipe 114, material recycle pipe 115, vacuum-pumping tube
116 and blasting cartridge 117, the bottom of the horizontal reacting kettle is provided with discharge nozzle 118, flowmeter 4 is provided with the TFE feed pipes.
Temperature sensor 5 is provided with the reaction chuck.Circulating pump 141 and flowmeter 4 are provided with cold and hot matchmaker's input channel.It is described
Temperature elevation system includes heating agent pipeline 21, and the heating agent pipeline is connected with cold and hot matchmaker's input channel.The cooling system includes enclosed
Cooling tower 31 and cyclic water tank 32, the entrance of closed cooling tower and the entrance of cyclic water tank are connected with cold and hot matchmaker's output channel,
The outlet of enclosed cooling tube and the outlet of cyclic water tank are connected with cold and hot matchmaker's input channel.The cyclic water tank is additionally provided with moisturizing
Pipeline 33, the moisturizing pipeline is used for supplementing water in cyclic water tank.Cold and hot matchmaker's output channel is also associated with heating agent recovery
Pipeline 7, the heating agent recovery channel is connected with temperature elevation system, and temperature sensor 5 is provided with the heating agent recovery channel.
The utility model preparation facilities uses the horizontal reacting kettle with inside spin agitator and peripheral hardware chuck, reaction chuck point
Open type hot water warming pipeline and closed circuit cooling system are not configured with, employ closed cooling tower, circulating water chennel and cold and hot matchmaker
Variable frequency adjustment circulating pump, closed cooling tower is used to discharge reaction heat, and variable frequency adjustment circulating pump is used for being precisely controlled for temperature, cold and hot
Matchmaker's input channel and cold and hot matchmaker's output channel, reactor each feed and exhaust tube are respectively provided with autocontrol valve, for realizing automatic control
System, refrigerant inlet pipe, heating agent inlet pipe and TFE feed pipes are provided with flowmeter, for measure control, Self controlling valve and above-mentioned foundation
Parametric linkage, realizes automatically controlling.
Embodiment 2
According to the method that the preparation facilities of embodiment 1 carries out polymerisation, comprise the following steps:About 50 are added in polymeric kettle
~70% volume deionized water, adds fluorine-containing surfactant, emulsion stabilizer, PH conditioning agents, initiator, then after vacuumizing
Tetrafluoroethylene monomer is passed through with the feed rate of 5~30kg/min to be reacted, with the temperature rise rate heating direct of 1~10 DEG C/min
80~100 DEG C are maintained to reaction temperature, and control reaction pressure for 1.8~2.5MPa, with 20~80r/min in course of reaction
Rotating speed be stirred, reaction terminate after can obtain polyflon finished product.The quality of the fluorine-containing surfactant is
The 0.05~1.5% of the quality of water, the quality of emulsion stabilizer is the 2~4% of the quality of water.
It is specific as follows:
1. started to warm up after evacuation is qualified, speed of agitator and flow rate of heat medium, temperature rise speed are adjusted according to predetermined heating rate
The control range of rate:1~10 DEG C/min, speed of agitator is adjusted in 20~100r/min, and flow rate of heat medium adjustable range 10~
150m3/h;
2. heat up and follow principle first quick and back slow, by adjusting circulating pump motor frequency, adjust heat exchange rate, realize to temperature rise
The accurate control of speed.
3.1. the TFE monomeric charge speed in each stage is set according to predetermined batch extent of reaction, feed rate is 5~
Regulation in 30kg/min.
3.2. according to feed rate regulation correspondence speed of agitator, speed of agitator is adjusted in 20~80r/min;
3.3 closed cooling tower water outlet temperature according to feed rate and at that time adjusts corresponding cold medium flux, refrigerant stream
10~60m of amount scope3/h;
4. the temperature rise rate for being set according to extent of reaction adjusts circulating pump motor frequency, adjusts heat exchange rate, final to realize
To being precisely controlled for the pressure of whole course of reaction temperature.The control range of temperature rise rate:0.01~0.3 DEG C/min;
5. feed intake after termination, speed of agitator is adjusted according to predetermined rate of temperature fall, speed of agitator is adjusted in 20~80r/min
Section;Corresponding cold medium flux, 10~40m of cold medium flux scope are adjusted with closed cooling tower water outlet temperature3/h;
6. course of reaction, the total amount of adding of fluorine-containing surfactant is the 0.05%~1.5% of deionized water quality.
7. course of reaction, the addition of stabilizer is the 2%~4% of deionized water quality.
8. course of reaction, controls reaction pressure in 1.8~2.5MPa.
9. course of reaction, controlling reaction temperature is at 80~100 DEG C.
10. in order to realize high efficient heat exchanging, the accurate of control is improved, the system refrigerant and heating agent preferentially use deionized water.
In sum, the beneficial effect of the preparation facilities of the functional fluoropolymer film polyflon that the utility model is provided
It is really:Controlled with the accurate correlation of specific temperature difference coolant quantity by reacting dose in course of reaction, reached to exothermic heat of reaction amount
Precisely transfer, the strict control to whole temperature rise rate is reached by water circulating pump VFC flow, complex reaction starting point with
Other every polymerizing conditions such as outlet temperature selection, finally realize that the special of extraordinary polyflon of functional fluoropolymer film gathers
Close performance.Be polymerized the extraordinary tetrafluoroethene emulsion for obtaining, and emulsion by density allotment, cohesion, dehydration and is dried again, is fitted
Close the extraordinary polyflon of functional fluoropolymer film manufacture.The utility model process is simple, high degree of automation, operation is steady
Fixed, properties of product are precisely controlled, and production efficiency is high, the features such as cost is relatively low.Gained special type functional fluoropolymer film resin raw material can
It is widely used in controlling haze denitration functional membrane, automatically cleaning fluoropolymer membrane, anti-electromagnetic radiation function film, photovoltaic module cephacoria, printing opacity high and builds
Build the making of the various extraordinary functional fluoropolymer films such as film.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, is similarly included in scope of patent protection of the present utility model.