CN204170449U - Tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification - Google Patents
Tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification Download PDFInfo
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- CN204170449U CN204170449U CN201420549485.5U CN201420549485U CN204170449U CN 204170449 U CN204170449 U CN 204170449U CN 201420549485 U CN201420549485 U CN 201420549485U CN 204170449 U CN204170449 U CN 204170449U
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- reboiler
- weight
- removing column
- inlet pipe
- steam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model relates to tower reactor reboiler cooling system device in a kind of Isooctyl acrylate monomer esterification.It comprises weight-removing column and reboiler, weight-removing column bottom is led in the connection of the lower end of reboiler, between weight-removing column bottom and reboiler bottom, pipeline is equipped with circulating pump, the entrance point of circulating pump connects weight-removing column bottom, and circulation delivery side of pump connects the bottom of reboiler, and steam inlet pipe and steam outlet pipe are equipped with in reboiler side, steam inlet pipe is loaded on reboiler upper end, steam outlet pipe is loaded on reboiler lower end, steam inlet pipe is connected with cooling water inlet pipe, steam outlet pipe is equipped with and cools back water pipe.Advantage is that simplicity of design is ingenious, the steam import and export pipeline of reboiler installs cooling water into and out of arm, prevent material due to long-time high temperature polymerization reaction take place phenomenon, circulating pump is installed in the lower end of reboiler and the lower end of weight-removing column, forced circulation heat medium, accelerate the efficiency of heating, improve the working effect of reboiler, speed production efficiency.
Description
Technical field
The utility model relates to tower reactor reboiler field in Isooctyl acrylate monomer esterification, is specifically related to tower reactor reboiler cooling system device in a kind of Isooctyl acrylate monomer esterification.
Background technology
Isooctyl acrylate monomer, 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 be Isooctyl acrylate monomer, 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:
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, weight-removing column causes stopping suddenly producing due to fault or other factors, and at this moment material is in the condition of high temperature in weight-removing column, for a long time will polymerization reaction take place, becomes grume, produces accessory substance, cause damage.Weight-removing column is in normal production work, reboiler heats weight-removing column, reboiler is by siphon principle, liquid bottom weight-removing column is sucked in reboiler, entered high temperature Steam Heating, then became high-temperature gas, and entered in weight-removing column and carry out heating reaction mass, this working method utilizes siphon efficiency low, and effect is not too desirable.
Utility model content
The utility model is in order to solve the problem, propose tower reactor reboiler cooling system device in a kind of Isooctyl acrylate monomer esterification, simplicity of design, easy to use, solve catastrophic failure to quit work, cannot cool reaction mass temperature problem, reboiler heat exchange adopts mandatory circulation, improves production efficiency.
In order to reach above-mentioned utility model object, the utility model proposes following technical scheme:
Tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification, it comprises weight-removing column and reboiler, reboiler is equipped with in side, weight-removing column lower end, the upper end outlet of reboiler connects the middle and lower part leading to weight-removing column, weight-removing column bottom is led in the connection of the lower end of reboiler, between described weight-removing column bottom and reboiler bottom, pipeline is equipped with circulating pump, the entrance point of circulating pump connects weight-removing column bottom, circulation delivery side of pump connects the bottom of reboiler, steam inlet pipe and steam outlet pipe are equipped with in described reboiler side, steam inlet pipe is loaded on reboiler upper end, steam outlet pipe is loaded on reboiler lower end, described steam inlet pipe is connected with cooling water inlet pipe, described steam outlet pipe is equipped with and cools back water pipe.
Described steam inlet pipe and steam outlet pipe are equipped with stop valve respectively, and the stop valve on steam inlet pipe is loaded on the outside pipeline of cooling water inlet pipe pipeline, and the stop valve on steam outlet pipe is loaded on the outside pipeline cooling back water pipe line.
Described cooling water inlet pipe and cool back water pipe pipeline on respectively stop valve is housed.
Described reboiler, be arranged at the bottom of described weight-removing column, comprise housing, described housing two ends are sealedly connected with upper cover and lower cover, described upper cover is provided with gaseous state outlet, and described lower cover is provided with liquid inlet tube, and described lower cover inside is installed with and is arranged on described liquid inlet tube jet path, for described liquid inlet tube is sprayed into the uniform distributing disc of liquid, this distributing disc comprises disk body, described disk body offers some through holes of annular array centered by the disk body center of circle; The cross section of described disk body is curved; The perforated area of described disk body is greater than the cross-sectional area of described liquid inlet tube; The diameter of described disk body is more than 1/2 of described housing cross-sectional diameter; Reboiler also comprises the tube sheet, two ends and the tube sheet that are seal-installed on described housing two ends and seals the some tubulations installed; Meanwhile, liquid inlet tube is connected to the bottom of weight-removing column, and gaseous state outlet is connected to the middle and lower part of weight-removing column; Steam inlet pipe is equipped with in described upper end, housing side, and steam outlet pipe is equipped with in lower end.
The utility model has the advantages that simplicity of design is ingenious, the steam import and export pipeline of reboiler installs cooling water into and out of arm, when stopping of breaking down is produced, steam stops supply, cooling water enters cooling reboiler, reboiler cools the material in weight-removing column again, prevent material due to long-time high temperature polymerization reaction take place phenomenon, cause damage, circulating pump is installed in the lower end of reboiler and the lower end of weight-removing column, forced circulation heat medium, accelerates the efficiency of heating, improve the working effect of reboiler, speed production efficiency.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of reboiler 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 1, tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification, it comprises weight-removing column 1 and reboiler 2, reboiler 2 is equipped with in side, weight-removing column 1 lower end, the upper end outlet of reboiler 2 connects the middle and lower part leading to weight-removing column 1, weight-removing column 1 bottom is led in the connection of the lower end of reboiler 2, between described weight-removing column 1 bottom and reboiler 2 bottom, pipeline is equipped with circulating pump 3, the entrance point of circulating pump 3 connects weight-removing column 1 bottom, the outlet of circulating pump 3 connects the bottom of reboiler 2, steam inlet pipe 5 and steam outlet pipe 6 are equipped with in described reboiler 2 side, steam inlet pipe 5 is loaded on reboiler 2 upper end, steam outlet pipe 6 is loaded on reboiler 2 lower end, described steam inlet pipe 5 is connected with cooling water inlet pipe 7, described steam outlet pipe 6 is equipped with and cools back water pipe 8.
Described steam inlet pipe 5 and steam outlet pipe 6 are equipped with stop valve 4 respectively, and the stop valve 4 on steam inlet pipe 5 is loaded on the outside pipeline of cooling water inlet pipe 7 pipeline, and the stop valve 4 on steam outlet pipe 6 is loaded on the outside pipeline cooling back water pipe 8 pipeline.
Described cooling water inlet pipe 7 and cool back water pipe 8 pipeline on stop valve 4 is housed respectively.
Described reboiler 2, be arranged at the bottom of described weight-removing column 1, comprise housing 21, described housing 21 two ends are sealedly connected with upper cover 24 and lower cover 25, described upper cover 24 is provided with gaseous state outlet 26, described lower cover 25 is provided with liquid inlet tube 27, described lower cover 25 inside is installed with and is arranged on described liquid inlet tube 27 jet path, for described liquid inlet tube 27 is sprayed into the uniform distributing disc of liquid 28, this distributing disc 28 comprises disk body 29, described disk body 29 offers some through holes of annular array centered by the disk body center of circle; The cross section of described disk body 29 is curved; The perforated area of described disk body 29 is greater than the cross-sectional area of described liquid inlet tube 27; The diameter of described disk body 29 is more than 1/2 of described housing 21 cross-sectional diameter; Reboiler 2 also comprises the tube sheet 22, two ends and the tube sheet 22 that are seal-installed on described housing 21 two ends and seals the some tubulations 43 installed; Meanwhile, liquid inlet tube 27 is connected to the bottom of weight-removing column 1, and gaseous state outlet 27 is connected to the middle and lower part of weight-removing column 1.
When the utility model uses, steam enters reboiler heating heat medium from steam inlet pipe, become condensed water after becoming steam cooling to discharge from steam outlet pipe, gaseous state is become by liquid state after the heat medium of reboiler is heated, the middle lower end entering weight-removing column is again heated, after liquefy from weight-removing column bottom out, force sucking-off to be transported to by circulating pump again to be heated in reboiler, accelerate operating efficiency, improve heat exchange effect, when fault or other factors cause stopping to produce, the steam of reboiler enters, the steam of mouth pipe enters, outlet valve cuts out, open cooling water to enter, go out entering on pipe, outlet valve, cooling water is allowed to enter in reboiler, cooling heat medium, heat medium is allowed to remove to cool the material of weight-removing column inside again, prevent polymerization reaction take place under the long-time condition of high temperature of material, output accessory substance, cause with many losses.
Claims (4)
1. tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification, it comprises weight-removing column and reboiler, it is characterized in that reboiler is equipped with in side, weight-removing column lower end, the upper end outlet of reboiler connects the middle and lower part leading to weight-removing column, weight-removing column bottom is led in the connection of the lower end of reboiler, between described weight-removing column bottom and reboiler bottom, pipeline is equipped with circulating pump, the entrance point of circulating pump connects weight-removing column bottom, circulation delivery side of pump connects the bottom of reboiler, steam inlet pipe and steam outlet pipe are equipped with in described reboiler side, steam inlet pipe is loaded on reboiler upper end, steam outlet pipe is loaded on reboiler lower end, described steam inlet pipe is connected with cooling water inlet pipe, described steam outlet pipe is equipped with and cools back water pipe.
2. tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification according to claim 1, it is characterized in that described steam inlet pipe and steam outlet pipe are equipped with stop valve respectively, stop valve on steam inlet pipe is loaded on the outside pipeline of cooling water inlet pipe pipeline, and the stop valve on steam outlet pipe is loaded on the outside pipeline cooling back water pipe line.
3. tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification according to claim 1, it is characterized in that described cooling water inlet pipe and cool back water pipe pipeline on respectively stop valve is housed.
4. tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification according to claim 1, it is characterized in that described reboiler, be arranged at the bottom of described weight-removing column, comprise housing, described housing two ends are sealedly connected with upper cover and lower cover, described upper cover is provided with gaseous state outlet, described lower cover is provided with liquid inlet tube, described lower cover inside is installed with and is arranged on described liquid inlet tube jet path, for described liquid inlet tube is sprayed into the uniform distributing disc of liquid, this distributing disc comprises disk body, described disk body offers some through holes of annular array centered by the disk body center of circle, the cross section of described disk body is curved, the perforated area of described disk body is greater than the cross-sectional area of described liquid inlet tube, the diameter of described disk body is more than 1/2 of described housing cross-sectional diameter, reboiler also comprises the tube sheet, two ends and the tube sheet that are seal-installed on described housing two ends and seals the some tubulations installed, meanwhile, liquid inlet tube is connected to the bottom of weight-removing column, and gaseous state outlet is connected to the middle and lower part of weight-removing column, steam inlet pipe is equipped with in described upper end, housing side, and steam outlet pipe is equipped with in lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549485.5U CN204170449U (en) | 2014-09-24 | 2014-09-24 | Tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549485.5U CN204170449U (en) | 2014-09-24 | 2014-09-24 | Tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification |
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| Publication Number | Publication Date |
|---|---|
| CN204170449U true CN204170449U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549485.5U Expired - Fee Related CN204170449U (en) | 2014-09-24 | 2014-09-24 | Tower reactor reboiler cooling system device in Isooctyl acrylate monomer esterification |
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| CN (1) | CN204170449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258589A (en) * | 2014-09-24 | 2015-01-07 | 南通中泰化工有限公司 | Tower kettle reboiler cooling system device in 2-ethylhexyl acrylate esterification reaction |
-
2014
- 2014-09-24 CN CN201420549485.5U patent/CN204170449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258589A (en) * | 2014-09-24 | 2015-01-07 | 南通中泰化工有限公司 | Tower kettle reboiler cooling system device in 2-ethylhexyl acrylate esterification reaction |
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| Date | Code | Title | Description |
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| 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. |
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| 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. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20160924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |