CN207680609U - Polymer reactor - Google Patents
Polymer reactor Download PDFInfo
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- CN207680609U CN207680609U CN201721722311.4U CN201721722311U CN207680609U CN 207680609 U CN207680609 U CN 207680609U CN 201721722311 U CN201721722311 U CN 201721722311U CN 207680609 U CN207680609 U CN 207680609U
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- reaction kettle
- polymer reactor
- circular ring
- closed reaction
- ring type
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Abstract
The utility model discloses a kind of polymer reactors including closed reaction kettle, position by adjusting feed pipe in polymer reactor and the coil pipe outside mounting circular ring formula inner coil pipe and circular ring type chuck in closed reaction kettle, the service efficiency of the initiator and part of auxiliary in monomer polymerization reactions especially solution polymerization can be improved, the free monomer in product is reduced, reaction product quality is improved and avoids the corrosion of consersion unit.
Description
Technical field
The utility model is related to polymer reactors, more particularly to one kind removing the thermal efficiency for monomer polymerization reactions and with high
And environment amenable polymer reactor.
Background technology
Currently, there is polymerisation especially acrylic compounds and its esters etc. the production of the monomer polymerization of vinyl usually to adopt
With batch reactor polymer reactor, traditional batch reaction kettle polymer reactor is primarily present problems with：Polymerisation is usual
Using the initiators such as hydrogenperoxide steam generator, sodium peroxydisulfate, sodium hydrogensulfite and auxiliary agent, these initiators and auxiliary agent are easy to decompose,
Service efficiency is relatively low；Dissolving generates the strong product of corrosivity after part initiator and auxiliary agent decompose, and consersion unit is caused to be easy corruption
Erosion.
Chinese utility model CN202460619U discloses a kind of monomer polymerization reactions device, including reaction kettle, reaction kettle
Top be equipped with initiator feed mouth, lower section be equipped with monomer feed and outlet for product, outlet for product be equipped with valve,
It is characterized in that：Monomer feed and initiator feed reverse flow, can mix evenly.However, being easy using the reaction unit
Cause reaction initiator and part of auxiliary to decompose, influences its service efficiency.Substance after initiator and the decomposition of other auxiliary agents
The corrosion that can cause consersion unit leads to the damage of consersion unit and causes product quality problem.In addition, polymerisation is typically
It is exothermic, it be easy to cause in reaction kettle that local reaction temperature is excessively high using the reaction unit, product quality is caused to be affected.
Utility model content
The purpose of this utility model is to provide a kind of new polymer reactors, can improve monomer polymerization reactions especially
It is the initiator of solution polymerization and the service efficiency of part of auxiliary, reduces the free monomer in product, improves reaction product
Quality and the corrosion that consersion unit can be avoided.
To achieve the goals above, the utility model provides a kind of polymer reactor, including closed reaction kettle, described
Feed pipe and agitating device are equipped at the top of closed reaction kettle, bottom is equipped with monomer feed and outlet for product, and inner wall is equipped with
Circular ring type inner coil pipe, which is characterized in that the agitating device bottom is equipped with agitating paddle, and the bottom of the feed pipe is positioned at described
Below the top of agitating paddle and reaction liquid level, the circular ring type inner coil pipe is surrounded on the closed reaction kettle inner wall.
Wherein, the bottom level of the feed pipe is adjustable.
Wherein, the polymer reactor is equipped with the outer coil pipe of circular ring type chuck, and the circular ring type chuck external disk pipe ring is around in institute
It states outside closed reaction kettle.
Wherein, the agitating paddle is one kind in paddle, push type, turbine type.
Wherein, the agitating paddle is in closed reaction kettle center right angle setting.
Description of the drawings
Fig. 1 shows the schematic diagram of the polymer reactor according to the utility model embodiment 1.
In figure：
1, closed reaction kettle；2, at the top of reaction kettle；3, reaction kettle side wall；4, reactor bottom；5, agitating paddle；6, it drives
Axis；7, circular ring type inner coil pipe；8, the outer coil pipe of circular ring type chuck；9, feed pipe；10, liquid level is reacted；11, discharge port；12 monomers into
Material mouth
Specific implementation mode
Polymer reactor according to the utility model embodiment 1 is described with reference to the accompanying drawings.In the following description, it illustrates
Many details are to make person of ordinary skill in the field that the utility model be appreciated more fully.But for institute
Belong to the technical staff in technical field it is evident that the utility model realizes some that can not have in these details.
However, it should be understood that the utility model is not limited to introduced specific embodiment.On the contrary, it may be considered that with following
Feature and the arbitrary of element combine to implement the utility model, regardless of whether they are related to different embodiments.Therefore, below
Aspect, feature, embodiment and advantage be used and be not construed as element or the restriction of claim for illustrative purposes only, unless
It is clearly proposed in claim.
Fig. 1 shows the polymer reactor according to the utility model embodiment 1.As shown in Figure 1, closed reaction kettle 1 wraps
2, reaction kettle side wall 3 and reactor bottom 4 at the top of reaction kettle are included, agitating device is internally provided in closed reaction kettle 1, stirs
It mixes device to be arranged in the center of closed reaction kettle 1, drive shaft 6 passes through the opening of at the top of reaction kettle 2 center formation to connect
It is connected to the driving source of such as motor etc, drive shaft bottom is connected with agitating paddle 5, and circle is equipped in the inner wall of closed reaction kettle 1
Ring type inner coil pipe 7, outer wall are equipped with the outer coil pipe 8 of circular ring type chuck, and feed pipe 9 passes through 2 opening formed at the top of reaction kettle, charging
The bottom level of pipe is slightly above agitating paddle 5 and below reaction liquid level.The volume of closed reaction kettle is about 25m3, diameter
2900mm, height 3880mm.Set circular ring type inner disc pipe diameter 80mm.Set agitating paddle is paddle, and diameter of propeller blade 1500mm is stirred
Mix the closed reactor bottom 2400mm of paddle distance from top.
The measurement of platinum cobalt chromatic number is according to 1557 standards of DIN EN in the present embodiment and comparative example, and free acid uses efficient
Liquid chromatography (HPLC) detects, and inorganic sulfur is detected using the chromatography of ions (IC).
Embodiment 1：
Acrylic acid and maleic acid polymerisation are carried out in above-mentioned polymer reactor, be added after reaction monomers liquid level away from
From closed reactor bottom 3400mm, using hydrogenperoxide steam generator as initiators for polymerization, charging bottom of the tube is located at anti-
Answer 500mm under liquid level.
Reaction result displaying monomer fully polymerize, and the maleic acid that dissociates after reaction is 900ppm, and the acrylic acid that dissociates is 50ppm；
Product appearance color is shallower, and platinum cobalt chromatic number is 60；Closed reaction kettle top and circular ring type inner coil pipe no corrosion.
Comparative example 1：
Using the polymer reactor similar with embodiment 1, difference lies in the bottoms of feed pipe to be located at reaction liquid level or more
100mm.Acrylic acid and maleic acid polymerisation are carried out in closed reaction kettle, and the anti-of content in the same manner as in Example 1 is added
Liquid level uses the hydrogen peroxide of content in the same manner as in Example 1 apart from closed reactor bottom 3400mm after answering monomer
Solution is as initiators for polymerization.
Reaction result display portion reaction monomers are not initiated, and the maleic acid that dissociates after reaction is about 1800ppm, and dissociate propylene
Acid is about 85ppm；Product appearance color is deeper, and platinum cobalt chromatic number is about 120；At the top of closed reaction kettle and circular ring type inner coil pipe produces
Raw corrosion.
Embodiment 2：
Acroleic acid polymerization reaction is carried out using polymer reactor in the same manner as in Example 1, liquid level after reaction monomers is added
The closed reactor bottom 3400mm of height distance, is drawn using solution of sodium bisulfite and sodium peroxydisulfate solution as polymerisation
Send out agent.It feeds bottom of the tube and is located at 500mm under reaction liquid level.
The acrylic acid that dissociates after reaction result display reaction is 0ppm, and rate and inorganic sulphur content is less than 1.2%, closed reaction kettle top
Portion and circular ring type inner coil pipe no corrosion.
Comparative example 2：
Acroleic acid polymerization is carried out using polymer reactor identical with comparative example 1 to react, and liquid level after reaction monomers is added
The closed reactor bottom 3400mm of height distance, is drawn using solution of sodium bisulfite and sodium peroxydisulfate solution as polymerisation
Send out agent.It feeds bottom of the tube and is located at the above 100mm of reaction liquid level.
The acrylic acid that dissociates after reaction result display reaction is about 20ppm；Rate and inorganic sulphur content is more than 1.8%, in reaction process
Sulfur dioxide is discharged, closed reaction kettle top and circular ring type inner coil pipe generate corrosion.
Although the utility model has been disclosed in the preferred embodiments as above, the utility model is not limited to this.Any
Field technology personnel without departing from the spirit and scope of the utility model made by it is various change and modification, this reality should all be included in
With in novel protection domain, therefore the scope of protection of the utility model should be subject to claim limited range.
Claims (5)
1. a kind of polymer reactor, including closed reaction kettle, the closed reaction kettle top is equipped with feed pipe and stirring fills
It sets, bottom is equipped with monomer feed and outlet for product, and inner wall is equipped with circular ring type inner coil pipe, which is characterized in that the stirring dress
Bottom set portion is equipped with agitating paddle, and the bottom of the feed pipe is located at below the top and reaction liquid level of the agitating paddle, described
Circular ring type inner coil pipe is surrounded on the closed reaction kettle inner wall.
2. a kind of polymer reactor as described in claim 1, which is characterized in that the bottom level of the feed pipe is adjustable
's.
3. a kind of polymer reactor as claimed in claim 1 or 2, which is characterized in that polymer reactor is equipped with circular ring type chuck
Outer coil pipe, the circular ring type chuck external disk pipe ring are around in outside the closed reaction kettle.
4. a kind of polymer reactor as claimed in claim 3, which is characterized in that the agitating paddle is paddle, push type, turbine
One kind in formula.
5. a kind of polymer reactor as claimed in claim 4, which is characterized in that the agitating paddle is at closed reaction kettle center
Right angle setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722311.4U CN207680609U (en) | 2017-12-12 | 2017-12-12 | Polymer reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722311.4U CN207680609U (en) | 2017-12-12 | 2017-12-12 | Polymer reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207680609U true CN207680609U (en) | 2018-08-03 |
Family
ID=62997385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721722311.4U Active CN207680609U (en) | 2017-12-12 | 2017-12-12 | Polymer reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207680609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908851A (en) * | 2017-12-12 | 2019-06-21 | 巴斯夫新材料有限公司 | Polymer reactor |
-
2017
- 2017-12-12 CN CN201721722311.4U patent/CN207680609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908851A (en) * | 2017-12-12 | 2019-06-21 | 巴斯夫新材料有限公司 | Polymer reactor |
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