CN204170450U - Weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization - Google Patents
Weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization Download PDFInfo
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- CN204170450U CN204170450U CN201420549506.3U CN201420549506U CN204170450U CN 204170450 U CN204170450 U CN 204170450U CN 201420549506 U CN201420549506 U CN 201420549506U CN 204170450 U CN204170450 U CN 204170450U
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- weight
- distributor
- phegma
- removing column
- esterificationization
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Abstract
The utility model relates to weight-removing column system and device field in the reaction of Isooctyl acrylate monomer esterificationization, is specifically related to weight-removing column phegma sparger system device in the reaction of a kind of Isooctyl acrylate monomer esterificationization.Weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization, it comprises weight-removing column and phegma distributor, and described phegma distributor is arranged on the top of weight-removing column.The utility model has the advantages that simplicity of design is ingenious, easy to use, reduce material generation bad reaction, reduce accessory substance, improve production efficiency, reduce production cost, phegma structure of distributor is simple, and assembly precision is high, and support strength is high.
Description
Technical field
The utility model relates to weight-removing column system and device field in the reaction of Isooctyl acrylate monomer esterificationization, is specifically related to weight-removing column phegma sparger system device in the reaction of a kind of Isooctyl acrylate monomer esterificationization.
Background technology
Isooctyl acrylate monomer esterification, water white transparency body.Fusing point-90 DEG C, boiling point 215-219 DEG C, 123-127 DEG C (8.0kPa), relative density 0.8859(20/4 DEG C), refractive index 1.4358, flash-point 82 DEG C.Energy and alcohol; Ether is miscible, water-soluble hardly, the solubility 0.01% in 25 DEG C of water.Easy polymerization, industrial goods can make polymerization inhibitor with 100ppm hydroquinones or 50-100ppm hydroquinone monomethyl ether.The yellow color of Isooctyl acrylate monomer esterification be Isooctyl acrylate monomer esterification, another name: acrylic acid-2-ethyl caproite, molecular formula (Formula): C11H20O2, molecular weight (Molecular Weight): 184.28, CAS No.:103-11-7, quality index (Specification) content (Purity): 99.50%, physico-chemical property (Physical Properties) density 0.885, fusing point-90 ° of C, boiling point 215-219 ° C, refractive index 1.434-1.436, flash-point 82 ° of C, water-soluble <0.1 g/100 mL at 22 ° of C.2-ethyl hexyl acrylate is the monomer of high molecular polymer, carries out copolymerization, crosslinked, grafting waits until acrylic resin product, for the synthesis of many aspects such as fabric processing, adhesive, coating, modifying plastics with other monomers.
The preparation method of Isooctyl acrylate monomer esterification:
1. direct esterification acrylic acid and 2-Ethylhexyl Alcohol are that catalyst carries out esterification with sulfuric acid, then through neutralization, dealcoholysis and rectifying obtain finished product.2. ester-interchange method methyl acrylate and 2-Ethylhexyl Alcohol carry out ester exchange reaction and generate acrylic acid-2-ethyl caproite under catalyst titanium tetrachloride exists, and obtain finished product through rectifying.
In process of production, phegma distributor in weight-removing column is generally contained in middle part or the bottom of weight-removing column, not goodly to the reaction effect of material in weight-removing column, and wayward like this negative effects can be produced, polymerization reaction take place, produce accessory substance, cause damage, increase production cost, and phegma structure of distributor is complicated, assembly precision is low, and support strength is low.
Utility model content
In order to solve above-mentioned utility model problem, the utility model proposes weight-removing column phegma sparger system device in the reaction of a kind of Isooctyl acrylate monomer esterificationization, simplicity of design is ingenious, accelerate reaction efficiency, improve speed of production, reduce the loss, reduce costs, phegma structure of distributor is simple, and assembly precision is high, and support strength is high.
In order to reach above-mentioned utility model object, the utility model proposes following technical scheme:
Weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization, it comprises weight-removing column and phegma distributor, and described phegma distributor is arranged on the top of weight-removing column.
Described phegma distributor comprises adapter and distributor, and the bottom of described adapter is fixed with distributor, and the top of described adapter is fixed by elbow and upper connecting tube, and the end of described upper connecting tube is provided with flange; Described distributor is disk body shape, is provided with distribution house steward, described distribution house steward is provided with perpendicular distribution uniformly and is in charge of in described disk body, and described distribution supervisor and distribution are in charge of and are evenly equipped with open-work respectively.
Described weight-removing column comprises top, middle part and bottom, top is contained in top, middle part, bottom is contained in below, middle part, middle part is divided into four regions by cross separator plate like, upper feeding district, top discharge district, lower feed zone and bottom discharge district, backflow distributor is equipped with at top, condenser is equipped with in top outer connection, lower end, upper feeding district is lower feed zone, lower end, top discharge district is bottom discharge district, and side, upper feeding district is top discharge district, and lower feed zone side is bottom discharge district, steam distributor is equipped with in bottom, and reboiler is equipped with in lower outside connection.Described cross dividing plate comprises intermediate feed plate, middle reclaiming plate and vertical baffle, is separated in the middle of intermediate feed plate and middle reclaiming plate by vertical baffle.
The utility model has the advantages that simplicity of design is ingenious, easy to use, reduce material generation bad reaction, reduce accessory substance, improve production efficiency, reduce production cost, phegma structure of distributor is simple, and assembly precision is high, and support strength is high.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the schematic side view of phegma distributor of the present utility model.
Fig. 3 is the elevational schematic view of phegma distributor of the present utility model.
Detailed description of the invention
In order to further illustrate the utility model, introduce below in conjunction with Figure of description:
With reference to accompanying drawing, weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization, it comprises weight-removing column 1 and phegma distributor 2, and described phegma distributor 2 is arranged on the top of weight-removing column 1.
Described phegma distributor 2 comprises adapter 21 and distributor 22, and the bottom of described adapter 21 is fixed with distributor 22, and the top of described adapter 21 is fixed by elbow 23 and upper connecting tube 24, and the end of described upper connecting tube 24 is provided with flange 25; Described distributor 22 is disk body shapes, is provided with distribution house steward 26, described distribution house steward 26 is provided with perpendicular distribution uniformly and is in charge of 27 in described disk body, and described distribution supervisor 26 and distribution are in charge of on 27 and are evenly equipped with open-work 28 respectively.
Described weight-removing column 1 comprises top, middle part and bottom, top is contained in top, middle part, bottom is contained in below, middle part, middle part is divided into four regions by cross separator plate like, upper feeding district 11, top discharge district 12, lower feed zone 13 and bottom discharge district 14, backflow distributor 2 is equipped with at top, condenser 3 is equipped with in top outer connection, lower end, upper feeding district 11 is lower feed zone 13, lower end, top discharge district 12 is bottom discharge district 14, side, upper feeding district 11 is top discharge district 12, lower feed zone 13 side is bottom discharge district 14, steam distributor is equipped with in bottom, reboiler 4 is equipped with in lower outside connection.Described cross dividing plate comprises intermediate feed plate 16, middle reclaiming plate 17 and vertical baffle 18, is separated in the middle of intermediate feed plate 16 and middle reclaiming plate 17 by vertical baffle 18.
The utility model weight-removing column comprise at least one incoming flow and at least three go out stream, wherein, described at least one incoming flow F is the logistics of the charging inflow intermediate feed plate containing crude acrylic acid-2-Octyl Nitrite, wherein, at described intermediate feed plate place, upper feeding district and the lower feed zone of described weight-removing column contact with each other, and described in go out in stream one or more go out stream be acrylic acid-2-ethyl caproite stream.Wherein, low boiling component D flows out from described top, high boiling component B flows out from described bottom, intermediate boiling component S flows out from middle reclaiming plate, wherein, at described middle reclaiming plate place, described top discharge district and described bottom discharge district contact with each other, and are acrylic acid-2-ethyl caproite from the intermediate boiling component that this middle reclaiming plate flows out.Wherein, the acrylic acid-2-ethyl caproite content of described charging is more than or equal to 80wt%.The number of plates arranged in each district in the described top of described weight-removing column, top discharge district, lower feed zone, bottom discharge district and bottom is in the scope of 0% to 140% of the theoretical cam curve calculated by distillation curve.Wherein, the length of described vertical baffle is determined according to the number of plates comprised in described upper feeding district and described lower feed zone or described top discharge district and described bottom discharge district.Wherein, described vertical baffle the total theoretical cam curve of length in the described top calculated by distillation curve, upper feeding district, bottom discharge district and bottom 40% to 85% scope in.Wherein, the temperature at described top is meeting the lowest temperature T of formula 1
1ato temperature upper limit T
2ascope in:
[formula 1] T
1a=-0.02P
2+ 1.7P+62 T
2a=-0.02P
2+ 1.7P+72 wherein, T
1aand T
2afor temperature (DEG C), P is the pressure (holder) at described top, if 1≤P≤70.Wherein, the temperature of described bottom is meeting the lowest temperature T of formula 2
1bto temperature upper limit T
2bscope in: [formula 2] T
1b=-0.0267P
2+ 1.5333P+118 T
2b=-0.0267P
2+ 1.5333P+128 wherein, T
1band T
2bfor temperature (DEG C), P is the pressure (holder) at described top, if 1≤P≤70.
Wherein, position that described top discharge district and described bottom discharge district contact with each other is arranged on and the temperature of the middle reclaiming plate having intermediate boiling component to flow out is meeting the lowest temperature T of formula 3
1cto temperature upper limit T
2cscope in: [formula 3] T
1c=-0.0267P
2+ 1.7333P+100 T
2c=-0.0267P
2+ 1.7333P+110 wherein, T
1cand T
2cfor temperature (DEG C), P is the pressure (holder) at described top, if 1≤P≤70.
Claims (3)
1. weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization, it comprises weight-removing column and phegma distributor, it is characterized in that described phegma distributor is arranged on the top of weight-removing column.
2. weight-removing column phegma sparger system device in Isooctyl acrylate monomer esterificationization reaction according to claim 1, it is characterized in that described phegma distributor comprises adapter and distributor, the bottom of described adapter is fixed with distributor, the top of described adapter is fixed by elbow and upper connecting tube, and the end of described upper connecting tube is provided with flange; Described distributor is disk body shape, is provided with distribution house steward, described distribution house steward is provided with perpendicular distribution uniformly and is in charge of in described disk body, and described distribution supervisor and distribution are in charge of and are evenly equipped with open-work respectively.
3. weight-removing column phegma sparger system device in Isooctyl acrylate monomer esterificationization reaction according to claim 1, it is characterized in that described weight-removing column comprises top, middle part and bottom, top is contained in top, middle part, bottom is contained in below, middle part, middle part is divided into four regions by cross separator plate like, upper feeding district, top discharge district, lower feed zone and bottom discharge district, backflow distributor is equipped with at top, condenser is equipped with in top outer connection, lower end, upper feeding district is lower feed zone, lower end, top discharge district is bottom discharge district, side, upper feeding district is top discharge district, lower feed zone side is bottom discharge district, steam distributor is equipped with in bottom, reboiler is equipped with in lower outside connection, described cross dividing plate comprises intermediate feed plate, middle reclaiming plate and vertical baffle, is separated in the middle of intermediate feed plate and middle reclaiming plate by vertical baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549506.3U CN204170450U (en) | 2014-09-24 | 2014-09-24 | Weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549506.3U CN204170450U (en) | 2014-09-24 | 2014-09-24 | Weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170450U true CN204170450U (en) | 2015-02-25 |
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ID=52559290
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549506.3U Expired - Fee Related CN204170450U (en) | 2014-09-24 | 2014-09-24 | Weight-removing column phegma sparger system device in the reaction of Isooctyl acrylate monomer esterificationization |
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| CN (1) | CN204170450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104225945A (en) * | 2014-09-24 | 2014-12-24 | 南通中泰化工有限公司 | System device for reflux liquid distributor of heavy component removal tower in esterification reaction of isooctyl acrylate |
-
2014
- 2014-09-24 CN CN201420549506.3U patent/CN204170450U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104225945A (en) * | 2014-09-24 | 2014-12-24 | 南通中泰化工有限公司 | System device for reflux liquid distributor of heavy component removal tower in esterification reaction of isooctyl acrylate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU GUOJIAO CHEMICAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANTONG ZHONGTAI CHEMICAL INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The Yangtze River town of Rugao city of Jiangsu province in 226532 in Nantong city (Rugao port) Yuejiang road Fine Chemical Industrial Park No. 1 Patentee after: JIANGSU GUOJIAO CHEMICAL TECHNOLOGY CO., LTD. Address before: The Yangtze River town of Rugao city of Jiangsu province in 226532 in Nantong city (Rugao port) Yuejiang road Fine Chemical Industrial Park No. 1 Patentee before: NANTONG ZHONGTAI CHEMICAL CO., LTD. |
|
| 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: 20150225 Termination date: 20160924 |