CN209759344U - Acrylic ester product production device - Google Patents
Acrylic ester product production device Download PDFInfo
- Publication number
- CN209759344U CN209759344U CN201822062405.4U CN201822062405U CN209759344U CN 209759344 U CN209759344 U CN 209759344U CN 201822062405 U CN201822062405 U CN 201822062405U CN 209759344 U CN209759344 U CN 209759344U
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- gas
- liquid separator
- liquid
- tubular reactor
- condenser
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- -1 Acrylic ester Chemical class 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000007788 liquid Substances 0.000 claims abstract description 112
- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 19
- 239000011261 inert gas Substances 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 125000005396 acrylic acid ester group Chemical group 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000009835 boiling Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- MUZDXNQOSGWMJJ-UHFFFAOYSA-N 2-methylprop-2-enoic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(=C)C(O)=O MUZDXNQOSGWMJJ-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 3
- 125000004185 ester group Chemical group 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- HFBMWMNUJJDEQZ-UHFFFAOYSA-N acryloyl chloride Chemical compound ClC(=O)C=C HFBMWMNUJJDEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- VHRYZQNGTZXDNX-UHFFFAOYSA-N methacryloyl chloride Chemical compound CC(=C)C(Cl)=O VHRYZQNGTZXDNX-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The application discloses acrylic ester product apparatus for producing, including shell and tube reactor and sprayer, the sprayer meets with shell and tube reactor's feed inlet, the sprayer is used for carrying out the liquid membranization reaction with raw materials injection in the shell and tube reactor. The utility model discloses following beneficial effect has: the tubular reactor is adopted, and the liquid film reaction of the reaction raw materials is carried out in the tubular reactor, so that the use amount of the reaction solution is greatly reduced, the generation amount of three wastes in the reaction process is reduced, and the polymerization phenomenon cannot occur in the reaction process.
Description
Technical Field
The utility model relates to a chemical industry equipment field especially relates to an acrylic ester product apparatus for producing.
Background
Acrylate and methacrylate products are polymer monomers with excellent performance, and the general synthesis method is that acrylic acid (methacrylic acid) reacts with alcohol or hydroxyl under the action of an acid catalyst to generate ester. The prior production of the product adopts the reaction of acryloyl chloride (methacryloyl chloride) and alcohol or hydroxyl without higher temperature, but the reaction is generally carried out in a non-aqueous solvent, the used equipment is a common reaction kettle, a large amount of alkali (in the form of solution) is required to be added into the reaction kettle as an acid-binding agent in the reaction process, and a large amount of solution is required to be used, so that more three wastes are generated, and meanwhile, the polymerization phenomenon can occur in the reaction process because the reaction is carried out in the reaction kettle.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem, a acrylate product apparatus for producing is proposed.
The utility model adopts the following technical scheme:
The device for producing the acrylate product comprises a tubular reactor and an ejector, wherein the ejector is connected with a feed inlet of the tubular reactor, and the ejector is used for ejecting raw materials into the tubular reactor to carry out liquid film reaction.
It should be noted that the tubular reactor of this device belongs to the existing device, is equipped with the filler in the tubular reactor's shell and tube, after reaction raw materials (liquid) spout tubular reactor through the sprayer, liquid gets into the shell and tube through the distribution plate in the tubular reactor, forms the liquid film in shell and tube wall and filler surface, reacts through the form of liquid film, and the reaction form of liquid film can reduce the use amount of solution, greatly reduced the production of three wastes, can not appear polymerization phenomenon in the reaction process simultaneously.
The device adopts the tubular reactor, and the reaction raw materials are subjected to liquid film reaction in the tubular reactor, so that the use amount of reaction solution is greatly reduced, the generation amount of three wastes in the reaction process is reduced, and the phenomenon of polymerization cannot occur in the reaction process.
Optionally, the system further comprises a first gas-liquid separator, wherein the feed end of the first gas-liquid separator is connected with the top outlet of the tubular reactor, the gas outlet end of the first gas-liquid separator is connected with the raw material recovery device, and the liquid outlet end of the first gas-liquid separator is connected with the liquid return port of the tubular reactor.
The shell and tube reactor is in use in a vertical state, and the top outlet of the shell and tube reactor is positioned at the upper end of the reactor. The mixture of alcohol and ester is discharged from the top outlet, the mixture of the alcohol and the ester enters a first gas-liquid separator in the form of steam, the alcohol with low boiling point (in a gas state) enters a raw material recovery device, and the ester with high boiling point (in a liquid state) continuously descends and enters the tubular reactor again through a liquid return port to be continuously reacted.
Optionally, the raw material recovery device includes a first condenser and a recovery storage tank, an outlet end of the first condenser is connected to the recovery storage tank, and an inlet end of the first condenser is connected to the first gas-liquid separator.
The low boiling point alcohol is converted from a gas state into a liquid state after being treated by the first condenser, and then the liquid alcohol enters the recovery storage tank for further recovery and utilization.
Optionally, the system further comprises a second gas-liquid separator, wherein a feed end of the second gas-liquid separator is connected with an outlet at the bottom of the tubular reactor, a liquid outlet end of the second gas-liquid separator is connected with the product collecting device, and a gas outlet end of the second gas-liquid separator is connected with an inlet end of the first condenser.
The liquid leaving from the bottom outlet is the liquid containing the product, and the part of the liquid still contains more reusable alcohol, so the second gas-liquid separator is arranged, and the part of the alcohol enters the first condenser in the form of gas for further condensation and utilization.
Optionally, the product collecting device includes a collecting tank and a second condenser, an inlet end of the second condenser is connected to a liquid outlet end of the second gas-liquid separator, and an outlet end of the second condenser is connected to the collecting tank.
Since the temperature of the liquid (the product in this portion of the liquid) flowing out of the second gas-liquid separator is still high, the temperature of this portion of the liquid is reduced by the second condenser and is then used.
Optionally, the system further comprises a diaphragm pump, the second gas-liquid separator is connected with the bottom outlet of the tubular reactor through the diaphragm pump, and the diaphragm pump is used for conveying the liquid flowing out of the tubular reactor into the second gas-liquid separator.
Optionally, the spraying device further comprises a sprayer, the sprayer is arranged between the diaphragm pump and the second gas-liquid separator, the sprayer is arranged at the feeding end of the second gas-liquid separator, and the sprayer is used for spraying the liquid conveyed by the diaphragm pump into the second gas-liquid separator in the form of liquid mist.
Optionally, the ejector is a venturi ejector.
Optionally, the system also comprises an air tank and a heat exchanger, wherein one end of the heat exchanger is connected with the air tank, and the other end of the heat exchanger is connected with a gas inlet of the tube type heat exchanger; the gas tank is stored with inert gas, and the heat exchanger is used for heating the inert gas entering the tubular reactor.
The inert gas used in the scheme preferentially uses nitrogen, and the purpose of the nitrogen and the nitrogen in the device is to blow materials at the bottom of the tubular reactor upwards for reaction, and the whole process is similar to the reaction in a boiling bed.
The device is used for preparing acrylate and methacrylate products by using reaction of acrylic acid (methacrylic acid) and alcohol or hydroxyl, and the device can be used when the products are prepared by the ester exchange method.
The utility model has the advantages that: the tubular reactor is adopted, and the liquid film reaction of the reaction raw materials is carried out in the tubular reactor, so that the use amount of the reaction solution is greatly reduced, the generation amount of three wastes in the reaction process is reduced, and the polymerization phenomenon cannot occur in the reaction process.
Description of the drawings:
FIG. 1 is a schematic view of an apparatus for producing an acrylic ester product.
The figures are numbered: 1. the system comprises a reactor, 101, a top outlet, 102, a liquid return port, 103, a bottom outlet, 2, a Venturi ejector, 301, a first gas-liquid separator, 302, a second gas-liquid separator, 401, a first condenser, 402, a second condenser, 5, a recovery storage tank, 6, a collection tank, 7, a diaphragm pump, 8, an atomizer, 9, a gas tank, 10, a heat exchanger, 11, a pressure reducing valve, 12, a flowmeter, 13, a raw material mixing kettle, 14 and a delivery pump.
The specific implementation mode is as follows:
The present invention will be described in detail with reference to the accompanying drawings.
The device for producing the acrylate product comprises a tubular reactor 1 and an ejector, wherein the ejector is connected with a feed inlet of the tubular reactor 1, and the ejector is used for ejecting raw materials into the tubular reactor 1 to perform liquid film reaction.
It should be noted that the tubular reactor 1 of this device belongs to the existing device, is equipped with the filler in the tubular reactor 1's shell and tube, after reaction raw materials (liquid) spout tubular reactor 1 through the sprayer, liquid gets into the shell and tube through the distributing plate in tubular reactor 1, forms the liquid film in shell and tube wall and filler surface, reacts through the form of liquid film, the reaction form of liquid film can reduce the use amount of solution, greatly reduced the production of three wastes, can not appear polymerization phenomenon in the reaction process simultaneously.
The device adopts the tubular reactor 1, and the reaction raw materials are subjected to liquid film reaction in the tubular reactor 1, so that the use amount of reaction solution is greatly reduced, the generation amount of three wastes in the reaction process is reduced, and the phenomenon of polymerization cannot occur in the reaction process.
As shown in the attached figure 1, the reactor further comprises a first gas-liquid separator 301, wherein the feed end of the first gas-liquid separator 301 is connected with the top outlet 101 of the tubular reactor 1, the gas outlet end of the first gas-liquid separator 301 is connected with the raw material recovery device, and the liquid outlet end of the first gas-liquid separator 301 is connected with the liquid return port 102 of the tubular reactor 1.
The tubular reactor 1 is in use in a vertical position, and the top outlet 101 of the tubular reactor 1 is located at the upper end of the reactor 1. Leaving from the top outlet 101 is a mixture of alcohol and ester, the mixture of the two enters a first gas-liquid separator 301 in the form of steam, the alcohol with low boiling point (in a gas state) enters a raw material recovery device, and the ester with high boiling point (in a liquid state) continues to descend and enters the tubular reactor 1 again through a liquid return port 102 for continuous reaction.
As shown in fig. 1, the raw material recovery apparatus includes a first condenser 401 and a recovery storage tank 5, an outlet end of the first condenser 401 is connected to the recovery storage tank 5, and an inlet end of the first condenser 401 is connected to the first gas-liquid separator 301.
the alcohol with low boiling point is processed by the first condenser 401, and then is changed from a gas state to a liquid state, and then the alcohol in the liquid state enters the recovery storage tank 5 for further recovery and utilization.
As shown in the attached figure 1, the system further comprises a second gas-liquid separator 302, wherein the feed end of the second gas-liquid separator 302 is connected with the bottom outlet 103 of the tubular reactor 1, the liquid outlet end of the second gas-liquid separator 302 is connected with a product collecting device, and the gas outlet end of the second gas-liquid separator 302 is connected with the inlet end of the first condenser 401.
The liquid leaving from the bottom outlet 103 is a liquid containing products, and the part of the liquid still contains more reusable alcohol, so the second gas-liquid separator 302 is arranged, so that the part of alcohol enters the first condenser 401 in the form of gas to be further condensed and utilized.
as shown in fig. 1, the product collecting device includes a collecting tank 6 and a second condenser 402, wherein an inlet end of the second condenser 402 is connected to a liquid outlet end of the second gas-liquid separator 302, and an outlet end of the second condenser 402 is connected to the collecting tank 6.
Since the temperature of the liquid flowing out of the second gas-liquid separator 302 (the product is still in this part of the liquid) is still high, the temperature of this part of the liquid is reduced by the second condenser 402 and then further used.
As shown in fig. 1, the system further comprises a diaphragm pump 7, the second gas-liquid separator 302 is connected to the bottom outlet 103 of the tubular reactor 1 via the diaphragm pump 7, and the diaphragm pump 7 is used for conveying the liquid flowing out of the tubular reactor 1 into the second gas-liquid separator 302.
As shown in fig. 1, the device further comprises an atomizer 8, the atomizer 8 is disposed between the diaphragm pump 7 and the second gas-liquid separator 302, the atomizer 8 is disposed on the feed end of the second gas-liquid separator 302, and the atomizer 8 is used for injecting the liquid conveyed by the diaphragm pump 7 into the second gas-liquid separator 302 in the form of liquid mist.
As shown in fig. 1, the ejector is a venturi ejector 2.
As shown in the attached figure 1, the device also comprises an air tank 9 and a heat exchanger 10, wherein one end of the heat exchanger 10 is connected with the air tank 9, and the other end of the heat exchanger 10 is connected with a gas inlet of the shell and tube heat exchanger; the gas tank 9 stores inert gas, and the heat exchanger 10 is used for heating the inert gas entering the tubular reactor 1.
The inert gas used in the present embodiment is preferably nitrogen, and the purpose of the nitrogen in the present apparatus is to blow the material at the bottom of the tubular reactor 1 upward to perform the reaction, and the whole process is similar to the reaction in the fluidized bed.
The device is used for preparing acrylate and methacrylate products by using reaction of acrylic acid (methacrylic acid) and alcohol or hydroxyl, and the device can be used when the products are prepared by the ester exchange method.
As shown in FIG. 1, the reaction raw materials are mixed in the raw material mixing tank 13, and after the mixing in the raw material mixing tank 13 is completed, the reaction raw materials are conveyed to the Venturi ejector 2 by the conveying pump 14.
As shown in fig. 1, a pressure reducing valve 11 and a flow meter 12 are provided between the gas tank 9 and the heat exchanger 10 in order to monitor the gas outflow amount in the gas tank.
the above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (8)
1. The production device of the acrylate product is characterized by comprising a tubular reactor and an ejector, wherein the ejector is connected with a feed inlet of the tubular reactor and is used for ejecting raw materials into the tubular reactor to carry out liquid film reaction; the device also comprises a first gas-liquid separator, wherein the feed end of the first gas-liquid separator is connected with the top outlet of the tubular reactor, the gas outlet end of the first gas-liquid separator is connected with the raw material recovery device, and the liquid outlet end of the first gas-liquid separator is connected with the liquid return port of the tubular reactor.
2. The apparatus for producing acrylic ester products as claimed in claim 1, wherein the raw material recovery apparatus comprises a first condenser and a recovery tank, an outlet of the first condenser is connected to the recovery tank, and an inlet of the first condenser is connected to the first gas-liquid separator.
3. The apparatus for producing acrylic ester products as claimed in claim 2, further comprising a second gas-liquid separator, wherein the inlet end of the second gas-liquid separator is connected to the outlet at the bottom of the tubular reactor, the outlet end of the second gas-liquid separator is connected to the product collecting device, and the outlet end of the second gas-liquid separator is connected to the inlet end of the first condenser.
4. The apparatus for producing acrylic ester products as claimed in claim 3, wherein the product collecting apparatus comprises a collecting tank and a second condenser, the inlet end of the second condenser is connected to the liquid outlet end of the second gas-liquid separator, and the outlet end of the second condenser is connected to the collecting tank.
5. The apparatus for producing acrylic ester products according to claim 4, further comprising a diaphragm pump, wherein the second gas-liquid separator is connected to the bottom outlet of the tubular reactor through the diaphragm pump, and the diaphragm pump is configured to convey the liquid flowing out of the tubular reactor to the second gas-liquid separator.
6. The apparatus for producing acrylic ester products as claimed in claim 5, further comprising a sprayer, wherein the sprayer is disposed between the diaphragm pump and the second gas-liquid separator and is disposed at the feeding end of the second gas-liquid separator, and the sprayer is used for spraying the liquid delivered from the diaphragm pump into the second gas-liquid separator in the form of liquid mist.
7. The apparatus for producing acrylic acid ester based product as set forth in claim 1, wherein said ejector is a venturi ejector.
8. The apparatus for producing acrylic ester products according to claim 1, further comprising a gas tank and a heat exchanger, wherein one end of the heat exchanger is connected to the gas tank, and the other end of the heat exchanger is connected to a gas inlet of the shell and tube heat exchanger; the gas tank is stored with inert gas, and the heat exchanger is used for heating the inert gas entering the tubular reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062405.4U CN209759344U (en) | 2018-12-10 | 2018-12-10 | Acrylic ester product production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062405.4U CN209759344U (en) | 2018-12-10 | 2018-12-10 | Acrylic ester product production device |
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| Publication Number | Publication Date |
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| CN209759344U true CN209759344U (en) | 2019-12-10 |
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| CN201822062405.4U Active CN209759344U (en) | 2018-12-10 | 2018-12-10 | Acrylic ester product production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293512A (en) * | 2018-12-10 | 2019-02-01 | 杭州若水化学科技有限公司 | Esters of acrylic acid product production device |
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2018
- 2018-12-10 CN CN201822062405.4U patent/CN209759344U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293512A (en) * | 2018-12-10 | 2019-02-01 | 杭州若水化学科技有限公司 | Esters of acrylic acid product production device |
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Effective date of registration: 20231016 Address after: 236400, 100 meters east of Yingbin Avenue Party School, Chengnan Street Office, Linquan County, Fuyang City, Anhui Province Patentee after: Anhui Xinying Technology Co.,Ltd. Address before: Room 601 and 605, 6th floor, R&D Building, No. 528 Shunfeng Road, Qianjiang Economic Development Zone, Yuhang District, Hangzhou City, Zhejiang Province, 311100 Patentee before: HANGZHOU RUOSHUI CHEMICAL TECHNOLOGY Co.,Ltd. |