CN103170291A - Reaction kettle suitable for preparation of expandable polystyrene (EPS) - Google Patents
Reaction kettle suitable for preparation of expandable polystyrene (EPS) Download PDFInfo
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- CN103170291A CN103170291A CN2013101019941A CN201310101994A CN103170291A CN 103170291 A CN103170291 A CN 103170291A CN 2013101019941 A CN2013101019941 A CN 2013101019941A CN 201310101994 A CN201310101994 A CN 201310101994A CN 103170291 A CN103170291 A CN 103170291A
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Abstract
The invention discloses a reaction kettle suitable for preparation of expandable polystyrene (EPS). The reaction kettle comprises a reaction kettle main body and two or more groups of half pipes which are coiled outside the reaction kettle main body from bottom to top, wherein an opening at the upper end of each half pipe is connected with a cooling water outlet pipe and a steam inlet pipe; an opening at the lower end of each half pipe is connected with a cooling water inlet pipe and a condensate water outlet pipe; and regulating valves are respectively arranged on the cooling water inlet pipes and the steam inlet pipes and are in signal connection with a programmable logic controller (PLC). The reaction kettle has the beneficial effects that the half pipes are coiled outside the reaction kettle main body, so that the interior of the reaction kettle main body is convenient to clean, and the half pipes are easily maintained; the multiple groups of half pipes can work simultaneously, and thus the temperature in the reaction kettle main body can be rapidly and effectively controlled; and moreover, the regulating valves are respectively arranged on the cooling water inlet pipes and the steam inlet pipes and are controlled by the PLC, so that manual labor is saved, and the safety of production operation is guaranteed.
Description
Technical field
The present invention relates to a kind of reactor, be specifically related to a kind of reactor that is applicable to prepare EPS, belong to technical field of chemical.
Background technology
The preparation of expandable polystyrene (hereinafter to be referred as EPS) normally adopts styrene, pure water and auxiliary material to make through operations such as low temperature polymerization, aeration, high temperature polymerizations in reactor.Can emit a large amount of reaction heat in polymerization process, so must control temperature in reactor well.The existing reactor that is applicable to prepare EPS normally arranges semicanal in kettle, the import and export end of semicanal is communicated with cold water pipe and steam pipe again, and cold water or vapor stream are through semicanal and reactor heat exchange, thereby realization is to the control of reaction temperature.Because semicanal is arranged in kettle, although good effect of heat exchange has brought very large inconvenience for the cleaning of kettle inside, be mainly the easy residual reactants of groove, product or the impurity that forms between semicanal and semicanal; In addition, in case leak has appearred in the semicanal somewhere, not only be not easy timely discovery, and repair trouble more.
Summary of the invention
Be to solve the deficiencies in the prior art, the object of the present invention is to provide a kind of reactor that is applicable to prepare EPS that not only can facilitate the cleaning of reactor inside but also can fast, effectively control the reactor internal temperature.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of reactor that is applicable to prepare EPS, comprise: the reactor main body, the top of previous reaction still main body is formed with charging aperture, the bottom is formed with discharging opening, respectively by inlet valve, bleeder valve sealing, it is characterized in that, also comprise: coil the semicanal outside previous reaction still main body from bottom to top, the opening of aforementioned semicanal upper end is communicated with cooling water outlet pipe and steam steam inlet pipe by tee pipe fitting, and the opening of aforementioned semicanal lower end is communicated with cooling water inlet pipe and condensed water outlet pipe by tee pipe fitting; Aforementioned semicanal is provided with two groups or more.
The aforesaid reactor that is applicable to prepare EPS is characterized in that, aforementioned semicanal is provided with three groups.
Preferably, the outer wall of aforementioned semicanal scribbles the zinc protective layer.
More preferred, the inwall of aforementioned semicanal also scribbles the zinc protective layer.
The aforesaid reactor that is applicable to prepare EPS is characterized in that, is respectively arranged with control valve on aforementioned cooling water inlet pipe, steam steam inlet pipe.
The aforesaid reactor that is applicable to prepare EPS is characterized in that, also comprises: the PLC controller, aforementioned PLC controller is connected with the control valve signal.
The aforesaid reactor that is applicable to prepare EPS is characterized in that, previous reaction still body interior also is provided with temperature sensor, and the aforementioned temperature sensor is connected with the PLC controller signals.
The aforesaid reactor that is applicable to prepare EPS is characterized in that, previous reaction still body interior also is provided with agitator, and aforementioned agitator is connected with the PLC controller signals.
Usefulness of the present invention is: the outside that is arranged on the reactor main body with the semicanal coiling has not only facilitated the cleaning of reactor body interior, and easily semicanal has been keeped in repair; Semicanal is set to some groups, works simultaneously for many groups, can fast, effectively control the temperature of reactor body interior; Be respectively arranged with control valve on cooling water inlet pipe, steam steam inlet pipe, control valve is accepted the control of PLC controller, has both saved manpower, has guaranteed again the security of production operation; Also be connected with temperature sensor on the PLC controller, can control more accurately the reaction temperature of reactor body interior, thereby improve productive rate and the quality of product.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the reactor that is applicable to prepare EPS of the present invention.
The implication of Reference numeral in figure: 1-reactor main body, 2-inlet valve, 3-bleeder valve, 4-semicanal, 5-tee pipe fitting, the 6-cooling water outlet pipe, 7-steam steam inlet pipe, 8-cooling water inlet pipe, 9-condensed water outlet pipe, the 10-control valve, 11-PLC controller, 12-temperature sensor, 13-agitator.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done concrete introduction.
With reference to Fig. 1, the reactor that is applicable to prepare EPS of the present invention comprises: reactor main body 1, and coil semicanal 4 outside reactor main body 1 from bottom to top, semicanal 4 is provided with two groups or more.Semicanal 4 two ends have opening, and wherein, the opening of upper end is communicated with a cooling water outlet pipe 6 and a steam steam inlet pipe 7 by tee pipe fitting 5, and the opening of lower end is communicated with a cooling water inlet pipe 8 and condensed water outlet pipe 9 by tee pipe fitting 5.In addition, the top of reactor main body 1 is formed with charging aperture, the bottom is formed with discharging opening, and respectively by inlet valve 2, bleeder valve 3 sealings.
In the present invention, semicanal 4 is arranged on the outside of reactor main body 1, has not only facilitated the cleaning of reactor main body 1 inside, and easily semicanal 4 has been keeped in repair; In addition, semicanal 4 is provided with two groups or more, works simultaneously for many groups, can fast, effectively control the temperature of reactor main body 1 inside, and can guarantee that the temperature at the inner differing heights of reactor main body 1 place is comparatively even, and semicanal 4 preferably arranges three groups.
More preferably, the outer wall of semicanal 4 scribbles the zinc protective layer.The zinc protective layer can effectively prevent semicanal 4 oxidations, extends its service life.
More preferably, the inwall of semicanal 4 also scribbles the zinc protective layer, can effectively reduce steam to the oxidation rate of inwall.
In order accurately to control the reaction temperature in reactor main body 1, be respectively arranged with control valve 10 on cooling water inlet pipe 8 and steam steam inlet pipe 7, thereby by the water intake velocity of adjusting cooling water or the interior temperature of admission speed fine adjustment reactor main body 1 of steam, guarantee carrying out smoothly of polymerisation.
As a kind of preferred scheme, reactor of the present invention also includes PLC controller 11, and PLC controller 11 is connected with control valve 10 signals, and control valve 10 is controlled accurately, has both saved manpower, has guaranteed again the security of production operation.
More preferably, reactor of the present invention also includes temperature sensor 12, and temperature sensor 12 is arranged on the inside of reactor main body 1, and is connected with PLC controller 11 signals.Temperature sensor 12 can accurately detect reaction temperature, this temperature signal passes to PLC controller 11, then controlled by 11 pairs of control valves 10 of PLC controller, finally the reaction temperature in reactor main body 1 is controlled accurately by the flow of control cooling water or the throttle flow of steam, thus productive rate and the quality of raising product.
More preferably, reactor of the present invention also comprises agitator 13.Agitator 13 is arranged on the inside of reactor main body 1, and is connected with PLC controller 11 signals.Material in 13 pairs of reactor main bodys of agitator 1 stirs, and can prevent the generation of the phenomenon that local temperature is too high or too low, thereby guarantees carrying out smoothly of reaction.
Need to prove, above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (8)
1. be applicable to prepare the reactor of EPS, comprise: the reactor main body, the top of aforesaid reaction vessel main body is formed with charging aperture, the bottom is formed with discharging opening, respectively by inlet valve, bleeder valve sealing, it is characterized in that, also comprise: coil the semicanal outside the aforesaid reaction vessel main body from bottom to top, the opening of above-mentioned semicanal upper end is communicated with cooling water outlet pipe and steam steam inlet pipe by tee pipe fitting, and the opening of above-mentioned semicanal lower end is communicated with cooling water inlet pipe and condensed water outlet pipe by tee pipe fitting; Above-mentioned semicanal is provided with two groups or more.
2. the reactor that is applicable to prepare EPS according to claim 1, is characterized in that, above-mentioned semicanal is provided with three groups.
3. the reactor that is applicable to prepare EPS according to claim 2, is characterized in that, the outer wall of above-mentioned semicanal scribbles the zinc protective layer.
4. the reactor that is applicable to prepare EPS according to claim 3, is characterized in that, the inwall of above-mentioned semicanal scribbles the zinc protective layer.
5. the described reactor that is applicable to prepare EPS of according to claim 1 to 4 any one, is characterized in that, is respectively arranged with control valve on above-mentioned cooling water inlet pipe, steam steam inlet pipe.
6. the reactor that is applicable to prepare EPS according to claim 5, is characterized in that, also comprises: the PLC controller, above-mentioned PLC controller is connected with the control valve signal.
7. the reactor that is applicable to prepare EPS according to claim 6, is characterized in that, the aforesaid reaction vessel body interior also is provided with temperature sensor, and the said temperature sensor is connected with the PLC controller signals.
8. the reactor that is applicable to prepare EPS according to claim 7, is characterized in that, the aforesaid reaction vessel body interior also is provided with agitator, and above-mentioned agitator is connected with the PLC controller signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101019941A CN103170291A (en) | 2013-03-27 | 2013-03-27 | Reaction kettle suitable for preparation of expandable polystyrene (EPS) |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101019941A CN103170291A (en) | 2013-03-27 | 2013-03-27 | Reaction kettle suitable for preparation of expandable polystyrene (EPS) |
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| CN103170291A true CN103170291A (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101019941A Pending CN103170291A (en) | 2013-03-27 | 2013-03-27 | Reaction kettle suitable for preparation of expandable polystyrene (EPS) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174349A (en) * | 2014-08-18 | 2014-12-03 | 江西世龙实业股份有限公司 | Steam inside-heat-transfer type composite reaction kettle for AC foaming agent |
| CN116212770A (en) * | 2023-03-13 | 2023-06-06 | 南通太洋高新材料科技有限公司 | Fluoride reation kettle temperature control system and temperature control device |
| CN117299061A (en) * | 2023-11-28 | 2023-12-29 | 泰兴金江化学工业有限公司 | Industrial co-production device for ethyl acetate and n-propyl acetate |
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| CN2680666Y (en) * | 2004-03-02 | 2005-02-23 | 锦西化工机械(集团)有限责任公司 | Large-scale aggregation still for vinyl chloride suspension polymerization |
| CN101333268A (en) * | 2008-07-02 | 2008-12-31 | 张家港市科华化工装备制造有限公司 | Reactor for EPS |
| CN201249116Y (en) * | 2008-08-21 | 2009-06-03 | 杭州科利化工有限公司 | Strong acid medium metal reaction kettle |
| CN102039112A (en) * | 2009-10-16 | 2011-05-04 | 江苏洪流化工机械有限公司 | Double-jacketed heat transfer reaction kettle |
| CN203170312U (en) * | 2013-03-27 | 2013-09-04 | 张家港市科华化工装备制造有限公司 | Reaction kettle suitable for preparing EPS (expandable oolystyrene) |
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2013
- 2013-03-27 CN CN2013101019941A patent/CN103170291A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2680666Y (en) * | 2004-03-02 | 2005-02-23 | 锦西化工机械(集团)有限责任公司 | Large-scale aggregation still for vinyl chloride suspension polymerization |
| CN101333268A (en) * | 2008-07-02 | 2008-12-31 | 张家港市科华化工装备制造有限公司 | Reactor for EPS |
| CN201249116Y (en) * | 2008-08-21 | 2009-06-03 | 杭州科利化工有限公司 | Strong acid medium metal reaction kettle |
| CN102039112A (en) * | 2009-10-16 | 2011-05-04 | 江苏洪流化工机械有限公司 | Double-jacketed heat transfer reaction kettle |
| CN203170312U (en) * | 2013-03-27 | 2013-09-04 | 张家港市科华化工装备制造有限公司 | Reaction kettle suitable for preparing EPS (expandable oolystyrene) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174349A (en) * | 2014-08-18 | 2014-12-03 | 江西世龙实业股份有限公司 | Steam inside-heat-transfer type composite reaction kettle for AC foaming agent |
| CN116212770A (en) * | 2023-03-13 | 2023-06-06 | 南通太洋高新材料科技有限公司 | Fluoride reation kettle temperature control system and temperature control device |
| CN116212770B (en) * | 2023-03-13 | 2023-10-27 | 南通太洋高新材料科技有限公司 | Fluoride reation kettle temperature control system and temperature control device |
| CN117299061A (en) * | 2023-11-28 | 2023-12-29 | 泰兴金江化学工业有限公司 | Industrial co-production device for ethyl acetate and n-propyl acetate |
| CN117299061B (en) * | 2023-11-28 | 2024-02-20 | 泰兴金江化学工业有限公司 | Industrial co-production device for ethyl acetate and n-propyl acetate |
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Application publication date: 20130626 |