CN204134644U - A kind of pre-polymerization pipe - Google Patents
A kind of pre-polymerization pipe Download PDFInfo
- Publication number
- CN204134644U CN204134644U CN201420491749.6U CN201420491749U CN204134644U CN 204134644 U CN204134644 U CN 204134644U CN 201420491749 U CN201420491749 U CN 201420491749U CN 204134644 U CN204134644 U CN 204134644U
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- cylinder
- shell
- side cylinder
- biphenyl
- jacket cylinder
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Abstract
The utility model discloses a kind of pre-polymerization pipe, comprise lower ellipse head, jacket cylinder one, jacket cylinder two, shell-side cylinder one, shell-side cylinder two and upper ellipse head successively, lower ellipse head bottom is provided with material outlet, and the outer tube of material outlet is provided with biphenyl condensate outlet a; Multiple commutator is provided with in the inner barrel of jacket cylinder one; The outer wall of jacket cylinder one is provided with from top to bottom successively exhaust outlet a and biphenyl steam inlet a; Jacket cylinder two is provided with from top to bottom successively exhaust outlet b, biphenyl steam inlet b and biphenyl condensate outlet b; The housing of shell-side cylinder one is provided with exhaust outlet c, biphenyl steam inlet c and biphenyl condensate outlet c from top to bottom successively, and the lower end of shell-side cylinder one is provided with lower perforated plate, and upper end is provided with upper perforated plate, is provided with heat exchanger tube between lower perforated plate and upper perforated plate; The chuck condenser pipe with material inlet is provided with in shell-side cylinder two.The utility model temperature control effect is good, contributes to the lifting of polymerisation integrated artistic quality.
Description
Technical field
The utility model is specifically related to the pre-polymerization pipe used in a kind of caprolactam polymerization technique.
Background technology
Polyamide (PA is commonly called as nylon) is the resin that DuPont develops at first for fiber, realizes industrialization in nineteen thirty-nine.Start development and production injection-molded item the 1950's, the requirement meet the lightweight of downstream industry goods with substituted metal, reducing costs.PA has good combination property, comprise mechanical property, heat resistance, mar proof, chemical proofing and self lubricity, and coefficient of friction is low, there is certain anti-flammability, be easy to processing, be suitable for, by glass fibre and other filler filling enhancing modified, improving performance and expanding range of application.Technological process is: melting, batching, pre-polymerization, polymerization, casting section and extraction.
Wherein the temperature of pre-polymerization pipe controls most important, if temperature exceeds reasonable interval, is generally that temperature is too high, technique failure or output can be caused to reduce, affect carrying out smoothly of whole polymerization technique.Existing pre-polymerization pipe is reasonable not because designing, and temperature control effect is undesirable, therefore needs to design a kind of new pre-polymerization pipe.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of pre-polymerization pipe, temperature control effect can be reached good, the object that the life-span is long.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of pre-polymerization pipe, comprise lower ellipse head, jacket cylinder one, jacket cylinder two, shell-side cylinder one, shell-side cylinder two and upper ellipse head successively, conical head is provided with in described lower ellipse head, the upper end of described conical head connects with the inner barrel of jacket cylinder one, its bottom is provided with material outlet, and the outer tube of described material outlet is provided with biphenyl condensate outlet a;
Be provided with multiple commutator in the inner barrel of described jacket cylinder one, described commutator is fixed on inwall by screw and gusset; The outer wall of described jacket cylinder one is provided with from top to bottom successively exhaust outlet a and biphenyl steam inlet a, it is also provided with thermometer one;
Described jacket cylinder two is provided with from top to bottom successively exhaust outlet b, biphenyl steam inlet b and biphenyl condensate outlet b, it is also provided with thermometer two;
Between described jacket cylinder one and described jacket cylinder two, all fixed by female flange, convex flange, stud and nut between described jacket cylinder two and described shell-side cylinder one;
The housing of described shell-side cylinder one is provided with exhaust outlet c, biphenyl steam inlet c and biphenyl condensate outlet c from top to bottom successively, and the lower end of described shell-side cylinder one is provided with lower perforated plate, and upper end is provided with upper perforated plate, is provided with heat exchanger tube between described lower perforated plate and upper perforated plate;
Be provided with chuck condenser pipe in described shell-side cylinder two, the interior pipe of described chuck condenser pipe is provided with material inlet and material outlet a, and outer tube is provided with biphenyl steam inlet d and biphenyl condensate outlet d, and described material outlet a is located at the center of described shell-side cylinder two;
Described upper ellipse head is provided with bubble column interface and relief valve connection.
Preferably, the quantity of described commutator is four, and inner barrel is evenly divided into third-class section.
Preferably, described jacket cylinder one, jacket cylinder two are identical with the diameter of shell-side cylinder one, and the diameter of described shell-side cylinder two is less than the diameter of described shell-side cylinder one.
Preferably, described shell-side cylinder one bottom is provided with expansion joint.
Preferably, described jacket cylinder one is provided with ear seat, and described ear seat is provided with earth plate
The utility model advantage is compared with prior art:
When utilizing caprolactam polymerization reaction, the application of pre-polymerization pipe makes the temperature control effect of this step reach desirable level, fluctuation range is little, and the prolongation of service time obviously can not reduce temperature control effect, contribute to the lifting of polymerisation integrated artistic quality, namely enhance productivity and product percent of pass.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is the structural representation of a kind of pre-polymerization pipe disclosed in the utility model embodiment 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Embodiment 1.
As shown in Figure 1, a kind of pre-polymerization pipe, comprise lower ellipse head 1, jacket cylinder 1, jacket cylinder 23, shell-side cylinder 1, shell-side cylinder 25 and upper ellipse head 6 successively, conical head 7 is provided with in lower ellipse head 1, the upper end of conical head 7 connects with the inner barrel of jacket cylinder 1, its bottom is provided with material outlet 8, and the outer tube of material outlet 8 is provided with biphenyl condensate outlet a9;
Be provided with multiple commutator 10 in the inner barrel of jacket cylinder 1, commutator 10 is fixed on inwall by screw and gusset; The outer wall of jacket cylinder 1 is provided with from top to bottom successively exhaust outlet a11 and biphenyl steam inlet a12, it is also provided with thermometer 1;
Jacket cylinder 23 is provided with from top to bottom successively exhaust outlet b14, biphenyl steam inlet b15 and biphenyl condensate outlet b16, it is also provided with thermometer 2 17;
Between jacket cylinder 1 and jacket cylinder 23, all fixed by female flange, convex flange, stud and nut between jacket cylinder 23 and shell-side cylinder 1;
The housing of shell-side cylinder 1 is provided with exhaust outlet c18, biphenyl steam inlet c19 and biphenyl condensate outlet c20 from top to bottom successively, the lower end of shell-side cylinder 1 is provided with lower perforated plate 21, upper end is provided with upper perforated plate 22, is provided with heat exchanger tube 23 between lower perforated plate 21 and upper perforated plate 22;
Be provided with chuck condenser pipe 24 in shell-side cylinder 25, the interior pipe of chuck condenser pipe 24 is provided with material inlet 27 and material outlet a28, and outer tube is provided with biphenyl steam inlet d29 and biphenyl condensate outlet d30, and material outlet a28 is located at the center of shell-side cylinder 25;
Upper ellipse head 6 is provided with bubble column interface 25 and relief valve connection 26.
The quantity of commutator 10 is four, and inner barrel is evenly divided into third-class section.
Jacket cylinder one, jacket cylinder two are identical with the diameter of shell-side cylinder one, and the diameter of shell-side cylinder two is less than the diameter of shell-side cylinder one.
Shell-side cylinder one bottom is provided with expansion joint 31.
Jacket cylinder one is provided with ear seat, and described ear seat is provided with earth plate.
Multiple biphenyl steam inlet, multiple biphenyl condensate outlet and multiple exhaust outlet is provided with in pre-polymerization pipe of the present utility model, ensure that condensation effect, control temperature effect is fine, and jacket cylinder 1 inner homogeneous is provided with multiple commutator heat exchange can be made to change fully.Supplied materials the past chuck condenser pipe on polymerization pipe top enters, and flows out from the material outlet of bottom.
The utility model advantage is compared with prior art:
When utilizing caprolactam polymerization reaction, the application of pre-polymerization pipe makes the temperature control effect of this step reach desirable level, fluctuation range is little, and the prolongation of service time obviously can not reduce temperature control effect, contribute to the lifting of polymerisation integrated artistic quality, namely enhance productivity and product percent of pass.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a pre-polymerization pipe, it is characterized in that, comprise lower ellipse head, jacket cylinder one, jacket cylinder two, shell-side cylinder one, shell-side cylinder two and upper ellipse head successively, conical head is provided with in described lower ellipse head, the upper end of described conical head connects with the inner barrel of jacket cylinder one, its bottom is provided with material outlet, and the outer tube of described material outlet is provided with biphenyl condensate outlet a;
Be provided with multiple commutator in the inner barrel of described jacket cylinder one, described commutator is fixed on inwall by screw and gusset; The outer wall of described jacket cylinder one is provided with from top to bottom successively exhaust outlet a and biphenyl steam inlet a, it is also provided with thermometer one;
Described jacket cylinder two is provided with from top to bottom successively exhaust outlet b, biphenyl steam inlet b and biphenyl condensate outlet b, it is also provided with thermometer two;
Between described jacket cylinder one and described jacket cylinder two, all fixed by female flange, convex flange, stud and nut between described jacket cylinder two and described shell-side cylinder one;
The housing of described shell-side cylinder one is provided with exhaust outlet c, biphenyl steam inlet c and biphenyl condensate outlet c from top to bottom successively, and the lower end of described shell-side cylinder one is provided with lower perforated plate, and upper end is provided with upper perforated plate, is provided with heat exchanger tube between described lower perforated plate and upper perforated plate;
Be provided with chuck condenser pipe in described shell-side cylinder two, the interior pipe of described chuck condenser pipe is provided with material inlet and material outlet a, and outer tube is provided with biphenyl steam inlet d and biphenyl condensate outlet d, and described material outlet a is located at the center of described shell-side cylinder two;
Described upper ellipse head is provided with bubble column interface and relief valve connection.
2. a kind of pre-polymerization pipe according to claim 1, is characterized in that, the quantity of described commutator is four, and inner barrel is evenly divided into third-class section.
3. a kind of pre-polymerization pipe according to claim 1 and 2, is characterized in that, described jacket cylinder one, jacket cylinder two are identical with the diameter of shell-side cylinder one, and the diameter of described shell-side cylinder two is less than the diameter of described shell-side cylinder one.
4. a kind of pre-polymerization pipe according to claim 3, is characterized in that, described shell-side cylinder one bottom is provided with expansion joint.
5. a kind of pre-polymerization pipe according to claim 4, is characterized in that, described jacket cylinder one is provided with ear seat, and described ear seat is provided with earth plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491749.6U CN204134644U (en) | 2014-08-27 | 2014-08-27 | A kind of pre-polymerization pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491749.6U CN204134644U (en) | 2014-08-27 | 2014-08-27 | A kind of pre-polymerization pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204134644U true CN204134644U (en) | 2015-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491749.6U Expired - Fee Related CN204134644U (en) | 2014-08-27 | 2014-08-27 | A kind of pre-polymerization pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204134644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586731A (en) * | 2018-06-12 | 2018-09-28 | 江苏海阳锦纶新材料有限公司 | A kind of novel pre-polymerization device of PA6/66 productions |
-
2014
- 2014-08-27 CN CN201420491749.6U patent/CN204134644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586731A (en) * | 2018-06-12 | 2018-09-28 | 江苏海阳锦纶新材料有限公司 | A kind of novel pre-polymerization device of PA6/66 productions |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20190827 |