CN203018083U - Reactor applicable to polyurethane heat-insulating adhesive production - Google Patents
Reactor applicable to polyurethane heat-insulating adhesive production Download PDFInfo
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- CN203018083U CN203018083U CN 201220739622 CN201220739622U CN203018083U CN 203018083 U CN203018083 U CN 203018083U CN 201220739622 CN201220739622 CN 201220739622 CN 201220739622 U CN201220739622 U CN 201220739622U CN 203018083 U CN203018083 U CN 203018083U
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Abstract
The utility model discloses a reactor applicable to polyurethane heat-insulating adhesive production. The reactor comprises a reaction tube body, a stirrer, a charging pipe, a discharging pipe and a heating coil pipe, wherein the heating coil pipe is arranged outside the reaction tube body. Furthermore, the reactor further comprises a cooling coil pipe, wherein the cooling coil pipe is arranged inside the reaction tube body. According to the reactor, through the matching between the heating coil pipe and the cooling coil pipe, heating control and the quick transfer of heat are favored, the temperature control for a whole reaction process is more stable and effective, the modification treatment on polyether polyol, serving as one ingredient of the polyurethane heat-insulating adhesive, is suitable for being carried out, and a powerful guarantee for the improvement on product quality and the safe and stable operation for production is provided.
Description
Technical field
The utility model relates to the chemical reaction device technical field, relates in particular to a kind of reactor that aluminium section bar is used the polyurethane adiabatic gum that is applicable to produce.
Background technology
The polyurethane adiabatic gum is to be isocyanates with after PPG through modification mixes according to a certain percentage by two kinds of components, cross-linking reaction occurs and the heat insulation polymer of macromolecule that obtains.This polymer is comprised of soft chain segment and hard segment block, high-quality mechanical strength, adhesive strength had both been guaranteed, have again certain toughness and the thermal coefficient of expansion close with aluminium alloy extrusions, thereby can replace the forms such as rivet, bolt to carry out the connection of aluminium section bar.Owing to having good structural strength and heat-proof quality, thereby be applicable to the production of heat-insulation aluminum section.
In the production process of polyurethane adiabatic gum, need to carry out modification to obtain needed batch mixing component to PPG.And at present, prior art is mainly PPG for the production of PU materials such as foam leathers for the reactor of PPG.This class reactor is inapplicable for the production of one of its component of polyurethane adiabatic gum PPG, its reason is: the production of polyurethane adiabatic gum PPG used is to select the monomer and other auxiliary agents that contain reactive functional to carry out modification to PPG.In the modified-reaction process, system can produce a large amount of heat of polymerizations, makes system temperature sharply rise, and common reactor was difficult to heat is all shifted within the very short time that polymerization begins.Under such hot conditions, the one, easily cause molecular weight product and degree of functionality uncontrollable and cause product failure, serious words can cause security incident; The 2nd, raw material very easily with oxygen generation oxidation reaction, cause product quality to descend.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of reactor that is applicable to produce the polyurethane adiabatic gum is provided, so that the PPG to one of its component of polyurethane adiabatic gum carries out modification, thereby guarantee the raising of product quality and the safe and stable operation of production.
The purpose of this utility model is achieved by the following technical programs:
A kind of reactor that is applicable to produce the polyurethane adiabatic gum that the utility model provides comprises reacting cylinder body, agitator, feed pipe, discharge nozzle, heat(ing) coil; Described heat(ing) coil is arranged on the outside of reacting cylinder body; In addition, also comprise cooling coil; Described cooling coil is arranged in reacting cylinder body.Further, described cooling coil makes cooling coil be in fully to be beneficial in material cooling to mixed material between reacting cylinder body inwall and agitator.The modified-reaction of PPG can produce a large amount of heat of polymerizations, makes system temperature sharply rise, and the utility model makes the material fast cooling cooling by cooling coil, thereby can at short notice heat all be shifted.
In such scheme, heat(ing) coil described in the utility model and reacting cylinder body consist of heat tunnel jointly, be that heat(ing) coil adopts the form of semicanal directly to be sticked on reacting cylinder body, thereby jointly consist of heat tunnel to realize the Fast Heating to reacting cylinder body with reacting cylinder body, coordinate with cooling coil to make temperature of reaction kettle be easy to control, thereby can effectively control molecular balance.
Further, feed pipe described in the utility model is at least two, can control according to the raw material heterogeneity feed time and the charging rate of different components, thereby effectively control W-response speed and exothermic temperature.
In such scheme, feed pipe described in the utility model is two, lays respectively at the upper and lower of reacting cylinder body and consists of top feed pipe and underfeed pipe, thereby be conducive to uniformity and the adequacy that each raw material mixes.
The utlity model has following beneficial effect:
(1) cooperation by heat(ing) coil and cooling coil, the control that is conducive to heat and the fast transfer of heat, make reaction temperature be easy to control and be in a lower level, thereby can effectively control the reaction rate of initial reaction stage, whole course of reaction temperature is controlled more stable and effective.
(2) adopt the mode of two-way or multiple feed, can control feed time and the charging rate of different components according to the raw material heterogeneity, thereby effectively control W-response speed and exothermic temperature, further be conducive to solve prior art is difficult to shift net quantity of heat in the existing short time problem, also solve simultaneously the problem of different viscosities mixing of materials homogeneity, be conducive to uniformity and adequacy that each raw material mixes.
Description of drawings
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the top view of Fig. 1.
In figure: reacting cylinder body 1, agitator 2, discharge nozzle 3, heat(ing) coil 4, hot coal oil inlet 4a, hot coal oil export 4b, cooling coil 5, chilled water import 5a, chilled water outlet 5b, vacuum port 6, nitrogen mouth 7, top feed pipe 8, underfeed pipe 9, heat tunnel 10
The specific embodiment
The embodiment that is applicable to produce the reactor of polyurethane adiabatic gum for the utility model is a kind of illustrated in figures 1 and 2 comprises reacting cylinder body 1, agitator 2, feed pipe, discharge nozzle 3, heat(ing) coil 4, cooling coil 5, vacuum port 6, nitrogen mouth 7.
As shown in Figure 1, agitator 2 adopts the shaft with twayblade.Feed pipe is two, lays respectively at the upper and lower of reacting cylinder body 1 and consists of top feed pipe 8 and underfeed pipe 9(sees Fig. 2).Discharge nozzle 3 is positioned at the bottom of reacting cylinder body 1.Heat(ing) coil 4 is arranged on the outer sidewall of reacting cylinder body 1 and bottom surface and with the form of semicanal and jointly consists of heat tunnel 10 with reacting cylinder body 1.Cooling coil 5 is arranged in reacting cylinder body 1, between reacting cylinder body 1 inwall and agitator 2.
The present embodiment using method is as follows: at first the macromolecule PPG is added in reacting cylinder body 1 by top charging aperture 8.The hot coal oil that heating reacting cylinder body 1 adopts, from hot coal oil inlet 4a enter, through heat(ing) coil 4(heat tunnel 10), flow out from hot coal oil export 4b, make the temperature in reacting cylinder body 1 reach a constant temperature.At the uniform velocity add the mixture of other auxiliary agents and through Polycondensation Reactor and Esterification Reactor is mixed with PPG from underfeed mouth 9 more afterwards.Fully reaction occurs by the stirring action material, carrying out along with reaction, temperature not section rises, then open cooling coil 5, make chilled water from chilled water import 5a enter, through cooling coil 5, flow out from chilled water outlet 5b, thereby realize fast transfer heat at short notice by direct cooling material, control cooling water flow by adjusting and control reaction temperature to regulate.In course of reaction, vacuumize by vacuum port 6, and pass into nitrogen protection by nitrogen mouth 7, enter raw material to prevent the oxidized inefficacy of material and moisture.Each interface of reactor adopts double-deck cushion rubber airtight, can guarantee needed vacuum in reactor, also can further guarantee entering of the interior no oxygen of reactor and water vapour simultaneously.
Claims (5)
1. a reactor that is applicable to produce the polyurethane adiabatic gum, comprise reacting cylinder body (1), agitator (2), feed pipe, discharge nozzle (3), heat(ing) coil (4); Described heat(ing) coil (4) is arranged on the outside of reacting cylinder body (1); It is characterized in that: also comprise cooling coil (5); It is inner that described cooling coil (5) is arranged on reacting cylinder body (1).
2. the reactor that is applicable to produce the polyurethane adiabatic gum according to claim 1, it is characterized in that: described cooling coil (5) is positioned between reacting cylinder body (1) inwall and agitator (2).
3. the reactor that is applicable to produce the polyurethane adiabatic gum according to claim 2 is characterized in that: described heat(ing) coil (4) consists of heat tunnel (10) jointly with reacting cylinder body (1).
4. according to claim 1 and 2 or 3 described reactors that are applicable to produce the polyurethane adiabatic gum, it is characterized in that: described feed pipe is at least two.
5. the reactor that is applicable to produce the polyurethane adiabatic gum according to claim 4, it is characterized in that: described feed pipe is two, lays respectively at the upper and lower of reacting cylinder body (1) and consists of top feed pipe (8) and underfeed pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739622 CN203018083U (en) | 2012-12-28 | 2012-12-28 | Reactor applicable to polyurethane heat-insulating adhesive production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739622 CN203018083U (en) | 2012-12-28 | 2012-12-28 | Reactor applicable to polyurethane heat-insulating adhesive production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203018083U true CN203018083U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220739622 Expired - Fee Related CN203018083U (en) | 2012-12-28 | 2012-12-28 | Reactor applicable to polyurethane heat-insulating adhesive production |
Country Status (1)
| Country | Link |
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| CN (1) | CN203018083U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888679A (en) * | 2015-06-19 | 2015-09-09 | 镇江中化聚氨酯工业设备有限公司 | Polyurethane reactor |
| CN105771864A (en) * | 2016-05-13 | 2016-07-20 | 十堰双齐科技有限公司 | Automatic production reaction kettle for PAG water-based quenching medium |
| CN105854777A (en) * | 2016-06-17 | 2016-08-17 | 安庆市虹泰新材料有限责任公司 | Reaction kettle |
| CN106390862A (en) * | 2016-06-17 | 2017-02-15 | 安庆市虹泰新材料有限责任公司 | Multipurpose reaction vessel |
-
2012
- 2012-12-28 CN CN 201220739622 patent/CN203018083U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888679A (en) * | 2015-06-19 | 2015-09-09 | 镇江中化聚氨酯工业设备有限公司 | Polyurethane reactor |
| CN105771864A (en) * | 2016-05-13 | 2016-07-20 | 十堰双齐科技有限公司 | Automatic production reaction kettle for PAG water-based quenching medium |
| CN105854777A (en) * | 2016-06-17 | 2016-08-17 | 安庆市虹泰新材料有限责任公司 | Reaction kettle |
| CN106390862A (en) * | 2016-06-17 | 2017-02-15 | 安庆市虹泰新材料有限责任公司 | Multipurpose reaction vessel |
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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: 20130626 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |