CN208599715U - Reaction kettle is used in a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production - Google Patents
Reaction kettle is used in a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production Download PDFInfo
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- CN208599715U CN208599715U CN201820649737.XU CN201820649737U CN208599715U CN 208599715 U CN208599715 U CN 208599715U CN 201820649737 U CN201820649737 U CN 201820649737U CN 208599715 U CN208599715 U CN 208599715U
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- kettle
- upper kettle
- vinyl acetate
- acrylic ester
- emulsion production
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Abstract
The utility model discloses a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle, including upper kettle and lower kettle, upper kettle is provided with collet, and heating device is provided in the collet of upper kettle bottom, is provided with temperature control coil pipe in the collet of upper kettle side；Agitating device is provided in upper kettle, agitating device includes cross section in the agitating paddle of T-shaped shape and at least two block baffles being symmetricly set on upper kettle side wall；Upper kettle side bottom end is provided with gas feed and coil-like air supply plant, and top is provided with gas vent and at least two feed inlets；It is provided with several temperature probes and pH probe on upper kettle inner wall, is additionally provided with in-line viscometer on upper kettle side wall；Upper kettle bottom centre position is additionally provided with automatic valve, and upper kettle bottom is connected with lower kettle, and filter device is provided in lower kettle, and lower kettle bottom is provided with discharge port.The utility model temperature control effect is good, production controlling is strong and ensure that continuous production, improves production efficiency.
Description
Technical field
The utility model belongs to chemical equipment technical field, and in particular to a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction
Kettle.
Background technique
It needs for material to be sufficiently mixed in an inert atmosphere in the production of tertiary vinyl acetate-acrylic ester copolymerization emulsion, heat or the progress that cools down
Polymerization, partial material also carry out the process such as being added dropwise, also need cooling treatment after reacting a period of time, need after the reaction was completed
PH value and viscosity etc. will be adjusted again after material filtering, then by finished product, reaction process is long, it is also necessary to different containers
To complete.It is carried out if these reactions are integrated into a reaction kettle, it is possible to reduce equipment and production time in production make
Continuous production is more preferable, can also reduce production cost.
Summary of the invention
Technical problem to be solved in the utility model: a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle, temperature control are provided
Effect is good, production controlling is strong and ensure that continuous production.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle, including upper kettle and lower kettle, upper kettle are provided with collet, on
It is provided with heating device in autoclave body bottom collet, is provided with temperature control coil pipe in the collet of upper kettle side；It is provided with and stirs in upper kettle
Mix device, agitating device include cross section in the agitating paddle of T-shaped shape and be symmetricly set on upper kettle side wall at least two
Block baffle；Upper kettle side bottom end is provided with gas feed and coil-like air supply plant, and top is provided with gas vent and at least
Two feed inlets；It is provided with several temperature probes and pH probe on upper kettle inner wall, is additionally provided on upper kettle side wall online
Viscosimeter；Upper kettle bottom centre position is additionally provided with automatic valve, and upper kettle bottom is connected with lower kettle, in lower kettle
It is provided with filter device, lower kettle bottom is provided with discharge port.
Preferably, the agitating device further includes agitating shaft and the motor that is arranged at the top of reactor tank body, agitating paddle
Lower part be connected with the lower end of agitating shaft, agitating shaft is movably attached to the bottom of motor.
Preferably, the agitating paddle surface is provided with the baffle of protrusion, and baffle plays shunting function.
Preferably, the heating device is electric heating coil pipe, and electric heating coil pipe is electrically connected to the power supply outside autoclave body.
Preferably, the both ends Yu upper kettle joint of the temperature control coil pipe are respectively arranged with opening, one of them is liquid
Body import, one is liquid outlet.
Preferably, the pipeline upper surface of the air supply plant is provided with several ventholes, and coil-like air supply plant passes through
Pipeline, three-way valve are connected to nitrogen gas generator and air compressor.
Preferably, the feed inlet includes material feed inlet and acid & alkali liquid feed inlet.
Preferably, the temperature probe, pH probe are connected respectively to external temperature, pH value display and automatic control
System processed；Automatic valve is also connected to automatic control system.
Preferably, the filter device is bag filter.
By adopting the above-described technical solution, the beneficial effects of the utility model are:
1. the utility model is heated simultaneously by temperature control coil pipe in autoclave body interlayer and heating device, quick heating is conducive to
Accelerate production process；Only cooled down by temperature control coil pipe, temperature-fall period mitigates, and is conducive to react more complete, guarantees that product obtains
Rate；
2. the design of the agitating paddle of stirring system and baffle on agitating paddle and the baffle being arranged on tank body can be more
Good generates shunting during eddy flow, makes lotion mixing more evenly, reacts more abundant；
3. air supply plant can be conveyed into nitrogen, nitrogen is conveyed from autoclave body bottom, it can be ensured that lotion and the intracorporal nitrogen of tank
Gas is more evenly distributed, and guarantees production safety；Air can be passed through again after completion of the reaction to fall nitrogen Rapid replacement；
4. the material after having reacted needs not move through transfer, viscosity can be carried out directly in autoclave body and pH value is adjusted, is adjusted
The material saved is transported in lower kettle by automatic valve, and finished product is obtained by filtration by filter device, so that process has been saved,
Improve production efficiency.In short, the utility model temperature control effect is good, production controlling is strong and ensure that continuous production, mention
High production efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Wherein, 1- upper kettle；2- lower kettle；3- heating device；4- temperature control coil pipe；5- temperature probe；6- material feed inlet；
7- acid & alkali liquid feed inlet；8- gas vent；9-pH value probe；10- baffle；11- agitating paddle；12- baffle；13- air supply plant；
14- in-line viscometer；15- automatic valve；16- filter device；17- discharge port.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.
As shown in Figure 1, a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle, including upper kettle 1 and lower kettle 2, upper kettle 1
It is provided with collet, heating device 3 is provided in 1 bottom collet of upper kettle, is provided with temperature control coil pipe 4 in the collet of upper kettle side；
Agitating device is provided in upper kettle 1, agitating device includes being in cross section in the agitating paddle 11 of T-shaped shape and being symmetricly set on
At least two block baffles 10, agitating paddle surface on upper kettle side wall are provided with baffle 12；1 bottom of upper kettle is provided with gas feed
With coil-like air supply plant 13, top is provided with gas vent 8 and at least two feed inlets, and feed inlet is provided with material feed inlet
6 and acid & alkali liquid feed inlet 7；It is provided with several temperature probes 5 and pH probe 9 on 1 inner wall of upper kettle, is also set on upper kettle side wall
It is equipped with in-line viscometer 14；1 bottom centre position of upper kettle is additionally provided with automatic valve 15, and 1 bottom of upper kettle is provided with lower kettle
Body 2, upper kettle 1 and lower kettle 2 are separable, filter device 16 are provided in lower kettle 2,1 bottom of lower kettle is provided with discharge port
17。
When actual production, water and emulsifier will first be added in the upper kettle 1 of reaction kettle, is then charged with nitrogen to being saturated, rises
Temperature is to 80 DEG C；After quantitative butyl acrylate, methyl methacrylate and vinyl acetate are mixed, control rate of addition is added drop-wise to
Initiator is added in upper kettle 1, after dropwise reaction 5 hours and keeps the temperature half an hour, then cools down, water is added after material is cooling and adjusts
Viscosity, is added acid or lye adjusts pH value, then opens automatic valve 15, transports material in lower kettle 2 and filter, incited somebody to action
Finished product after filter is discharged by discharge port 17, and warehouse preservation is sent to after filling.
It should be understood that these embodiments are merely to illustrate the utility model rather than limitation the scope of the utility model.This
Outer to should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model each
Kind change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (7)
1. a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle, it is characterised in that: including upper kettle and lower kettle, the upper kettle
It is provided with collet, heating device is provided in the collet of bottom, temperature control coil pipe is provided in the collet of side；In the upper kettle
It is provided with agitating device, the agitating device includes cross section in the agitating paddle of T-shaped shape and is symmetricly set on upper kettle side
At least two block baffles on wall, the agitating paddle surface are provided with the baffle of protrusion；Upper kettle side bottom end is provided with gas
Body import and coil-like air supply plant, top are provided with gas vent and at least two feed inlets；It is set on the upper kettle inner wall
It is equipped with several temperature probes and pH probe, is additionally provided with in-line viscometer on side wall；The upper kettle bottom centre position is also
It is provided with automatic valve, the upper kettle bottom is connected with lower kettle, filter device, bottom are provided in the lower kettle
Portion is provided with discharge port.
2. tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle as described in claim 1, it is characterised in that: the agitating device also wraps
The motor for including agitating shaft and being arranged at the top of reactor tank body, the lower part of the agitating paddle are connected with the lower end of the agitating shaft
It connects, the agitating shaft is movably attached to the bottom of motor.
3. tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle as described in claim 1, it is characterised in that: the heating device is electricity
Heating coil.
4. tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle as described in claim 1, it is characterised in that: the two of the temperature control coil pipe
End is respectively arranged with opening with upper kettle joint, one of them is liquid-inlet, and one is liquid outlet.
5. tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle as described in claim 1, it is characterised in that: the pipe of the air supply plant
Road upper surface is provided with several ventholes.
6. tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle as described in claim 1, it is characterised in that: the feed inlet includes object
Expect feed inlet and acid & alkali liquid feed inlet.
7. tertiary vinyl acetate-acrylic ester copolymerization emulsion production reaction kettle as described in claim 1, it is characterised in that: the filter device is bag
Formula filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820649737.XU CN208599715U (en) | 2018-05-03 | 2018-05-03 | Reaction kettle is used in a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820649737.XU CN208599715U (en) | 2018-05-03 | 2018-05-03 | Reaction kettle is used in a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208599715U true CN208599715U (en) | 2019-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820649737.XU Active CN208599715U (en) | 2018-05-03 | 2018-05-03 | Reaction kettle is used in a kind of tertiary vinyl acetate-acrylic ester copolymerization emulsion production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208599715U (en) |
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2018
- 2018-05-03 CN CN201820649737.XU patent/CN208599715U/en active Active
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