CN111925519A - Continuous production device for multi-component copolymerized nylon - Google Patents
Continuous production device for multi-component copolymerized nylon Download PDFInfo
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- CN111925519A CN111925519A CN202010824186.8A CN202010824186A CN111925519A CN 111925519 A CN111925519 A CN 111925519A CN 202010824186 A CN202010824186 A CN 202010824186A CN 111925519 A CN111925519 A CN 111925519A
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- continuous production
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- nylon
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- 239000004677 Nylon Substances 0.000 title claims abstract description 23
- 229920001778 nylon Polymers 0.000 title claims abstract description 23
- 238000010924 continuous production Methods 0.000 title claims abstract description 16
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 32
- 239000000155 melt Substances 0.000 claims abstract description 25
- 239000000654 additive Substances 0.000 claims abstract description 23
- 230000000996 additive effect Effects 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 150000003839 salts Chemical class 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract description 4
- 229920000297 Rayon Polymers 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920000577 Nylon 6/66 Polymers 0.000 description 3
- TZYHIGCKINZLPD-UHFFFAOYSA-N azepan-2-one;hexane-1,6-diamine;hexanedioic acid Chemical compound NCCCCCCN.O=C1CCCCCN1.OC(=O)CCCCC(O)=O TZYHIGCKINZLPD-UHFFFAOYSA-N 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- -1 compound salt Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/36—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines and polycarboxylic acids
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Polyamides (AREA)
Abstract
A continuous production device of multi-component copolymerized nylon, which realizes the rapid concentration of composite salt. The device can realize the conversion among a plurality of reactors, realize the switching of all varieties and also realize the switching of a plurality of additives and the reactors, the continuous production of the multicomponent copolymerized nylon can simultaneously meet the feeding of nylon monomers or a plurality of salt components, the feeding proportion of each component is required to be accurately and stably controlled, the reactors can be selected and connected in series or in parallel, the problem that the whole device does not need to be stopped because the polymerization reactors are cleaned by viscose glue is solved, and a melt dryer is respectively connected among the reactors, so that the problem that the feeding water content is high, and the feeding water enters the reactors to be directly dehydrated after being heated by the melt dryer is solved.
Description
Technical Field
The invention relates to the technical field of multi-salt reaction and copolymerization reaction diversified production devices, in particular to a diversified copolymerization nylon continuous production device.
Background
The existing nylon 6/66 reactor of the original production device adopts a single reactor, the reactor is easy to glue in the production process, the production operation needs to be cleaned within a period of time, the cleaning can cause the stop, the existing production device has higher requirement on the water content of the feeding material, the nylon 6/66 production variety of the existing production device is single, one reactor can only produce one variety, the reactors are all reactors of single variety, if the nylon 6/66 of different varieties needs to be produced, the shutdown is needed to realize the switching of a plurality of additives and the reactors, the inconvenience is very high, the continuous production of the multi-component copolymerized nylon needs to simultaneously meet the feeding of nylon monomers or a plurality of salt components, the feeding proportion of each component needs to be accurately and stably controlled, and the existing device is often difficult to meet.
Disclosure of Invention
In order to solve the technical defects in the prior art, the invention provides a continuous production device for multi-component copolymerized nylon.
The technical solution adopted by the invention is as follows: the utility model provides a many copolymerization nylon serialization apparatus for producing, includes raw materials feeding device, a plurality of parallelly connected additive feeding device, the polymerization group, melt drier, fuse-element filter, eager grain device, the drying device of a plurality of parallelly connected settings that set up in proper order, raw materials feeding device, additive feeding device, polymerization group, melt drier, fuse-element filter, eager grain device, the drying device between establish ties in proper order, raw materials feeding device and additive feeding device between, additive feeding device and polymerization group between, polymerization group and the melt drier between, all be equipped with between melt drier and the melt filter and advance a diverter valve more.
The polymerization reaction group comprises a prepolymerization reactor, a pre-polymerization reactor and a polymerization reactor, and a flash evaporator is arranged between the prepolymerization reactor and the pre-polymerization reactor.
And a multi-inlet one-outlet switching valve is arranged between the prepolymerization reactor and the flash evaporator.
The melt dryer is arranged between the polymerization reactor and the front polymerization reactor.
And an extraction device is also arranged between the granulating device and the drying device, and the extraction device, the granulating device and the drying device are connected in series.
The number of the raw material feeding devices and the additive feeding devices is three, and the multi-in one-out switching valve between the raw material feeding devices and the additive feeding devices is a three-in one-out switching valve.
The number of the prepolymerization reactors is two, and the multiple-inlet one-outlet switching valve between the prepolymerization reactor and the flash evaporator is a two-inlet one-outlet switching valve.
The invention has the beneficial effects that: the invention provides a continuous production device for multi-component copolymerized nylon, which realizes the rapid concentration of composite salt. The device can realize the conversion among a plurality of reactors, realize the switching of all varieties and also realize the switching of a plurality of additives and the reactors, the continuous production of the multicomponent copolymerized nylon can simultaneously meet the feeding of nylon monomers or a plurality of salt components, the feeding proportion of each component is required to be accurately and stably controlled, the reactors can be selected and connected in series or in parallel, the problem that the whole device does not need to be stopped because the polymerization reactors are cleaned by viscose glue is solved, and a melt dryer is respectively connected among the reactors, so that the problem that the feeding water content is high, and the feeding water enters the reactors to be directly dehydrated after being heated by the melt dryer is solved.
Drawings
FIG. 1 is a schematic view of a process flow diagram of the present invention.
FIG. 2 is a schematic view of the apparatus of the present invention.
Wherein, the method comprises the steps of 1-raw material feeding device, 2-additive feeding device, 3-prepolymerization reactor, 4-prepolymerization reactor, 5-polymerization reactor, 6-flash evaporator, 7-melt dryer, 8-melt filter, 9-granulating device, 10-drying device, 11-extraction device and 12-switching valve with one inlet and one outlet.
Detailed Description
The invention is further explained by referring to fig. 1 and fig. 2, a continuous production device of multicomponent copolymerized nylon sequentially comprises a plurality of raw material feeding devices 1 arranged in parallel, a plurality of additive feeding devices 2 arranged in parallel, a plurality of polymerization reaction groups arranged in parallel, a melt dryer 7, a melt filter 8, a granulating device 9 and a drying device 10, wherein the raw material feeding devices 1, the additive feeding devices 2, the polymerization reaction groups, the melt dryer 7, the melt filter 8, the granulating device 9 and the drying device 10 are sequentially connected in series, a plurality of feeding-in and discharging switching valves 12 are respectively arranged between the raw material feeding devices 1 and the additive feeding devices 2, between the additive feeding devices 2 and the polymerization reaction groups, between the polymerization reaction groups and the melt dryer 7, and between the melt dryer 7 and the melt filter 8, the number of the raw material feeding devices 1 and the additive feeding devices 2 is three, the multiple-in and one-out switching valve 12 between the raw material feeding device 1 and the additive feeding device 2 is a three-in and one-out switching valve. The polymerization reaction group comprises a prepolymerization reactor 3, a pre-polymerization reactor 4 and a polymerization reactor 5, and a flash evaporator 6 is arranged between the prepolymerization reactor 3 and the pre-polymerization reactor 4. And a multi-inlet and one-outlet switching valve 12 is arranged between the prepolymerization reactor 3 and the flash evaporator 6. The melt dryer 7 is arranged between the polymerization reactor 4 and the polymerization reactor 5. The number of the prepolymerization reactors 3 is two, and the multi-inlet one-outlet switching valve 12 between the prepolymerization reactor 3 and the flash evaporator 6 is a two-inlet one-outlet switching valve. The invention realizes the rapid concentration of the compound salt. The device can realize the conversion among a plurality of reactors, realize the switching of all varieties and also realize the switching of a plurality of additives and the reactors, the continuous production of the multicomponent copolymerized nylon can simultaneously meet the feeding of nylon monomers or a plurality of salt components, the feeding proportion of each component is required to be accurately and stably controlled, the reactors can be selected and connected in series or in parallel, the problem that the whole device does not need to be stopped because the polymerization reactors are cleaned by viscose glue is solved, and a melt dryer is respectively connected among the reactors, so that the problem that the feeding water content is high, and the feeding water enters the reactors to be directly dehydrated after being heated by the melt dryer is solved.
An extraction device 11 is further arranged between the granulating device 9 and the drying device 10, and the extraction device 11 is connected with the granulating device 9 and the drying device 10 in series.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. A multi-component copolymerized nylon continuous production device is characterized by sequentially comprising a plurality of raw material feeding devices (1) arranged in parallel, a plurality of additive feeding devices (2) arranged in parallel, a plurality of polymerization reaction groups arranged in parallel, a melt dryer (7), a melt filter (8), a grain cutting device (9) and a drying device (10), the raw material feeding device (1), the additive feeding device (2), the polymerization reaction group, the melt dryer (7), the melt filter (8), the granulating device (9) and the drying device (10) are connected in series in sequence, and a multi-inlet and one-outlet switching valve (12) is arranged between the raw material feeding device (1) and the additive feeding device (2), between the additive feeding device (2) and the polymerization reaction group, between the polymerization reaction group and the melt dryer (7), and between the melt dryer (7) and the melt filter (8).
2. The continuous production device of poly (co) nylon as claimed in claim 1, wherein the polymerization reaction group comprises a prepolymerization reactor (3), a prepolymerization reactor (4) and a polymerization reactor (5), and a flash evaporator (6) is arranged between the prepolymerization reactor (3) and the prepolymerization reactor (4).
3. The continuous production apparatus of poly (copolymerized nylon) as claimed in claim 2, wherein a switching valve (12) for multiple inlets and outlets is disposed between the prepolymerization reactor (3) and the flash evaporator (6).
4. The apparatus for continuously producing copolymerized nylon according to claim 2, wherein the melt dryer (7) is disposed between the polymerization reactor (4) and the polymerization reactor (5).
5. The continuous production device of the multipolymer nylon of claim 4, characterized in that an extraction device (11) is arranged between the granulating device (9) and the drying device (10), and the extraction device (11) is connected in series with the granulating device (9) and the drying device (10).
6. The continuous production apparatus of poly (co) nylon as claimed in claim 1, wherein the number of the raw material feeding means (1) and the additive feeding means (2) is three, and the multiple-in one-out switching valve (12) between the raw material feeding means (1) and the additive feeding means (2) is a three-in one-out switching valve.
7. The apparatus for continuously producing copolymerized nylon according to claim 3, wherein the number of the prepolymerization reactor (3) is two, and the multiple-in one-out switching valve (12) between the prepolymerization reactor (3) and the flasher (6) is a two-in one-out switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824186.8A CN111925519A (en) | 2020-08-17 | 2020-08-17 | Continuous production device for multi-component copolymerized nylon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824186.8A CN111925519A (en) | 2020-08-17 | 2020-08-17 | Continuous production device for multi-component copolymerized nylon |
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| CN111925519A true CN111925519A (en) | 2020-11-13 |
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| CN202010824186.8A Pending CN111925519A (en) | 2020-08-17 | 2020-08-17 | Continuous production device for multi-component copolymerized nylon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113429567A (en) * | 2021-08-18 | 2021-09-24 | 祁春玉 | Continuous polymerization production method of polyamide |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831108A (en) * | 1983-02-16 | 1989-05-16 | Amoco Corporation | Polycondensation process with mean dispersion residence time |
| CN1207746A (en) * | 1995-12-12 | 1999-02-10 | 聚合物工程有限公司 | Process and device for standardised continuous production of polyamides |
| CN104130399A (en) * | 2013-05-01 | 2014-11-05 | 因温斯特技术公司 | Polyamide synthesis including multiple back-ends |
| CN106916299A (en) * | 2017-04-21 | 2017-07-04 | 株洲时代新材料科技股份有限公司 | A kind of multi-component copolymer nylon continuous production device |
| CN108929436A (en) * | 2018-06-12 | 2018-12-04 | 江苏海阳锦纶新材料有限公司 | A kind of preparation method of copolymer nylon |
| CN212476599U (en) * | 2020-08-17 | 2021-02-05 | 温州邦鹿化工有限公司 | Continuous production device for multi-component copolymerized nylon |
-
2020
- 2020-08-17 CN CN202010824186.8A patent/CN111925519A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831108A (en) * | 1983-02-16 | 1989-05-16 | Amoco Corporation | Polycondensation process with mean dispersion residence time |
| CN1207746A (en) * | 1995-12-12 | 1999-02-10 | 聚合物工程有限公司 | Process and device for standardised continuous production of polyamides |
| CN104130399A (en) * | 2013-05-01 | 2014-11-05 | 因温斯特技术公司 | Polyamide synthesis including multiple back-ends |
| CN106916299A (en) * | 2017-04-21 | 2017-07-04 | 株洲时代新材料科技股份有限公司 | A kind of multi-component copolymer nylon continuous production device |
| CN108929436A (en) * | 2018-06-12 | 2018-12-04 | 江苏海阳锦纶新材料有限公司 | A kind of preparation method of copolymer nylon |
| CN212476599U (en) * | 2020-08-17 | 2021-02-05 | 温州邦鹿化工有限公司 | Continuous production device for multi-component copolymerized nylon |
Non-Patent Citations (1)
| Title |
|---|
| 彭治汗，施祖培: "聚酰胺", 31 December 2001, 北京：化学工业出版社, pages: 44 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113429567A (en) * | 2021-08-18 | 2021-09-24 | 祁春玉 | Continuous polymerization production method of polyamide |
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