CN203170312U - Reaction kettle suitable for preparing EPS (expandable oolystyrene) - Google Patents
Reaction kettle suitable for preparing EPS (expandable oolystyrene) Download PDFInfo
- Publication number
- CN203170312U CN203170312U CN 201320146985 CN201320146985U CN203170312U CN 203170312 U CN203170312 U CN 203170312U CN 201320146985 CN201320146985 CN 201320146985 CN 201320146985 U CN201320146985 U CN 201320146985U CN 203170312 U CN203170312 U CN 203170312U
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- reactor
- semicanal
- inlet pipe
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Abstract
The utility model discloses a reaction kettle suitable for preparing EPS (expandable polystyrene). The reaction kettle comprises a reaction kettle main body and two or more groups of half pipes which are wound outside the reaction kettle main body from bottom to top, wherein an opening on the upper end of each half pipe is connected with a cooling water outlet pipe and a vapor inlet pipe, and an opening in the lower end of each half pipe is connected with a cooling water inlet pipe and a condensed water outlet pipe; the cooling water inlet pipe and the vapor inlet pipe are respectively provided with an adjusting valve; the adjusting valves are in signal connection with a PLC (programmable logic controller). The reaction kettle suitable for preparing EPS has the beneficial effects that the half pipes are wound outside the reaction kettle main body, so that not only can the inside of the reaction kettle main body be convenient to wash, but also the half pipes can be easy to repair; a plurality of groups of the half pipes are provided, and multiple groups of the half pipes work simultaneously, so that the temperature inside the reaction kettle main body can be rapidly and efficiently controlled; and the cooling water inlet pipe and the vapor inlet pipe are respectively provided with one adjusting valve, and the adjusting valves are controlled by the PLC, so that not only can the labor be saved, but also the safety in production and operation can be guaranteed.
Description
Technical field
The utility model relates to a kind of reactor, is specifically related to a kind of reactor that is applicable to preparation EPS, belongs 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 the polymerization process, so must control temperature in the reactor well.The existing reactor that is applicable to preparation 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 the kettle, though good effect of heat exchange has brought very big inconvenience for the cleaning of kettle inside, mainly be the easy residual reactants of groove, product or the impurity that forms between semicanal and the semicanal; In addition, in case leak has appearred in the semicanal somewhere, not only be not easy timely discovery, and repair trouble more.
The utility model content
Be to solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of reactor that is applicable to preparation EPS that not only can make things convenient for the cleaning of reactor inside but also can fast, effectively control the reactor internal temperature.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of reactor that is applicable to preparation 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 preparation 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 preparation EPS is characterized in that, is respectively arranged with control valve on aforementioned cooling water inlet pipe, the steam steam inlet pipe.
The aforesaid reactor that is applicable to preparation EPS is characterized in that also comprise: the PLC controller, aforementioned PLC controller is connected with the control valve signal.
The aforesaid reactor that is applicable to preparation 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 preparation 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 utility model is: the outside that is arranged on the reactor main body with the semicanal coiling has not only made things convenient for 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, the steam steam inlet pipe, control valve is accepted the control of PLC controller, has both saved manpower, has guaranteed the security of production operation again; Also be connected with temperature sensor on the PLC controller, can control the reaction temperature of reactor body interior more accurately, thereby improve productive rate and the quality of product.
Description of drawings
Fig. 1 is the structural representation that is applicable to a specific embodiment of the reactor for preparing EPS of the present utility model.
The implication of Reference numeral among the 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 utility model is done concrete introduction.
With reference to Fig. 1, the reactor that is applicable to preparation EPS of the present utility model 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 utility model, semicanal 4 is arranged on the outside of reactor main body 1, has not only made things convenient for 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 reactor main body 1 temperature inside, and can guarantee that the temperature at reactor main body 1 inner differing heights 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, prolongs 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 the reactor main body 1, be respectively arranged with control valve 10 on cooling water inlet pipe 8 and the steam steam inlet pipe 7, thereby the admission speed of the water intake velocity by regulating cooling water or steam is the temperature in the conditioned reaction still main body 1 accurately, guarantees carrying out smoothly of polymerisation.
As a kind of preferred scheme, reactor of the present utility model 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 the security of production operation again.
More preferably, reactor of the present utility model 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, controlled by 11 pairs of control valves 10 of PLC controller then, finally the reaction temperature in the 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 utility model 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 that successful reaction carries out.
Need to prove that above-described embodiment does not limit the utility model in any form, all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in the protection domain of the present utility model.
Claims (8)
1. be applicable to the reactor of preparation 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 preparation EPS according to claim 1 is characterized in that above-mentioned semicanal is provided with three groups.
3. the reactor that is applicable to preparation 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 preparation EPS according to claim 3 is characterized in that the inwall of above-mentioned semicanal scribbles the zinc protective layer.
5. according to any described reactor that is applicable to preparation EPS of claim 1 to 4, it is characterized in that, be respectively arranged with control valve on above-mentioned cooling water inlet pipe, the steam steam inlet pipe.
6. the reactor that is applicable to preparation EPS according to claim 5 is characterized in that also comprise: the PLC controller, above-mentioned PLC controller is connected with the control valve signal.
7. the reactor that is applicable to preparation 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 preparation 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 |
|---|---|---|---|
| CN 201320146985 CN203170312U (en) | 2013-03-27 | 2013-03-27 | Reaction kettle suitable for preparing EPS (expandable oolystyrene) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146985 CN203170312U (en) | 2013-03-27 | 2013-03-27 | Reaction kettle suitable for preparing EPS (expandable oolystyrene) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203170312U true CN203170312U (en) | 2013-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320146985 Expired - Fee Related CN203170312U (en) | 2013-03-27 | 2013-03-27 | Reaction kettle suitable for preparing EPS (expandable oolystyrene) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203170312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170291A (en) * | 2013-03-27 | 2013-06-26 | 张家港市科华化工装备制造有限公司 | Reaction kettle suitable for preparation of expandable polystyrene (EPS) |
-
2013
- 2013-03-27 CN CN 201320146985 patent/CN203170312U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170291A (en) * | 2013-03-27 | 2013-06-26 | 张家港市科华化工装备制造有限公司 | Reaction kettle suitable for preparation of expandable polystyrene (EPS) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20160327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |