CN205152184U - Sour reaction unit falls in heterogeneous esterifying - Google Patents
Sour reaction unit falls in heterogeneous esterifying Download PDFInfo
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- CN205152184U CN205152184U CN201520809995.6U CN201520809995U CN205152184U CN 205152184 U CN205152184 U CN 205152184U CN 201520809995 U CN201520809995 U CN 201520809995U CN 205152184 U CN205152184 U CN 205152184U
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- Prior art keywords
- dimensional
- methanol
- communicating vessels
- methyl alcohol
- temperature sensor
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 200
- 238000005886 esterification reaction Methods 0.000 claims abstract description 31
- 230000003139 buffering effect Effects 0.000 claims abstract description 17
- 238000010992 reflux Methods 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 11
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 11
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract 4
- 230000032050 esterification Effects 0.000 claims description 26
- 238000005070 sampling Methods 0.000 claims description 8
- 238000003760 magnetic stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000035484 reaction time Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 101150006573 PAN1 gene Proteins 0.000 description 12
- 239000002253 acid Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 239000011973 solid acid Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002632 lipids Chemical class 0.000 description 3
- 239000002551 biofuel Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 102000004882 Lipase Human genes 0.000 description 1
- 108090001060 Lipase Proteins 0.000 description 1
- 239000004367 Lipase Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 239000002815 homogeneous catalyst Substances 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a sour reaction unit falls in heterogeneous esterifying belongs to the chemical industry equipment field. The esterification reaction system adopts the heating of oil bath pot, and the left end mouth and the automatic sampler of esterification reaction ware are connected, goes up the port and is equipped with the three -dimensional linker, and the right -hand member mouth is equipped with temperature sensor I, methyl alcohol steam generation system adopts the water -bath heating, methyl alcohol steam generator's left end mouth is equipped with the methyl alcohol rectifying column, methyl alcohol steam generator's last port and three -dimensional buffering linker are connected, methyl alcohol steam generator's right -hand member mouth is equipped with temperature sensor II, flow regulator is passed through to methyl alcohol rectifying column upper end gas outlet, steam mass flow meter is connected with the air inlet of three -dimensional linker, methyl alcohol rectifying column right -hand member is equipped with mercury glass rod thermometer, three -dimensional buffering linker upper end and condensing reflux union coupling, three -dimensional buffering linker left end lateral duct is crossed the pipeline and is connected with the gas outlet of three -dimensional linker. The utility model discloses can show improvement reaction efficiency, the shortening reaction time.
Description
Technical field
The utility model relates to a kind of heterogeneous esterification deacidification reaction unit, belongs to field of chemical equipment.
Background technology
At present, the bottleneck of restriction China Biodiesel development is raw materials cost and supply problem, by the restriction of resource and the level of economic development, recycle in conjunction with waste material, the waste grease of a large amount of high acid value, wild oil plant etc. become the present stage main raw material prepared of China's biofuel.Traditional esterifications reaction extensively adopts strong acid (as the vitriol oil) to be homogeneous catalyst, its long reaction time, temperature are high, energy consumption is large, equipment corrosion is serious, discharge acid-bearing wastewater easily causes environmental pollution, utilize solid acid/heterogeneous catalyst such as alkali, lipase can effectively solve an above-mentioned difficult problem, therefore development and utilization heterogeneous esterification reaction device is produced low acid number biofuel tool and is of great significance and good application prospect.
Summary of the invention
The utility model provides a kind of heterogeneous esterification deacidification reaction unit, for solution prior art long reaction time, the deficiency such as temperature is high, energy consumption is large.
The technical solution of the utility model is: a kind of heterogeneous esterification deacidification reaction unit, is made up of esterification system, methanol steam generation systems and sampling system; Described esterification system is made up of oil bath pan 1, esterifier 2, three-dimensional communicating vessels 4; Described methanol steam generation systems is made up of steam quality flowmeter 5, flow regulator 6, methanol rectification post 7, mercury glass rod thermometer 8, condensing reflux pipe 9, three-dimensional buffering communicating vessels 10, methanol steam producer 12, water-bath 13; Described sampling system is made up of automatic sampler 14; Described oil bath pan 1 carries temperature sensor I 3, and described water-bath 13 carries temperature sensor II 11;
Described esterification system adopts oil bath pan 1 to heat, and the left port of esterifier 2 is connected with automatic sampler 14, and upper port is provided with three-dimensional communicating vessels 4, and right output port is provided with temperature sensor I 3, methanol steam generation systems adopts water-bath 13 to heat, the left port of methanol steam producer 12 is provided with methanol rectification post 7, upper port and the three-dimensional of methanol steam producer 12 cushion communicating vessels 10 and are connected, the right output port of methanol steam producer 12 is provided with temperature sensor II 11, air outlet, methanol rectification post 7 upper end is by flow regulator 6, steam quality flowmeter 5 is connected with the inlet mouth of three-dimensional communicating vessels 4, methanol rectification post 7 right-hand member is provided with mercury glass rod thermometer 8, three-dimensional buffering communicating vessels 10 upper end is connected with condensing reflux pipe 9, three-dimensional buffering communicating vessels 10 left end arm is connected by the air outlet of pipeline with three-dimensional communicating vessels 4.
Described oil bath pan 1, water-bath 13 are respectively DF-101S digital display heat-collecting magnetic stirring device and adopt oil bath, water-bath mode.
Wherein, the model that automatic sampler 14 can adopt has: SBSQY line oil automatic sampler, ZHYQ automatic sampler.
Principle of work of the present utility model is:
First lipid acid and solid acid catalyst are added esterifier 2 according to a certain percentage, opening oil bath pan 1 makes oil bath temperature control at about 100 DEG C by temperature sensor I 3, again methyl alcohol is added methanol steam producer 12, bath 13 of fetching boiling water makes bath temperature control at about 65 DEG C by temperature sensor II 11; Then, methanol steam is purified through methanol rectification post 7 and is entered flow regulator 6 by pipeline, mercury glass rod thermometer 8 measures the temperature entering the methanol steam of flow regulator 6, adjust flux setter 6, open steam quality flowmeter 5, make methanol steam enter esterifier 2 by the inlet mouth of three-dimensional communicating vessels 4, the aeration effect of methanol steam makes lipid acid mix with solid acid catalyst more evenly, fully to contact, in esterifier 2, carry out esterification; Finally, the water that esterification reaction process generates is vaporized into water vapour in esterifier 2, water vapour enters three-dimensional buffering communicating vessels 10 with unreacted methanol steam through the air outlet of three-dimensional communicating vessels 4, the mixing steam of first alcohol and water upwards enters the condensing reflux pipe 9 being connected with water of condensation, liquid water and liquid methanol is condensed under the effect of condensing reflux pipe 9, liquid water and liquid methanol are back to methanol steam producer 12, liquid water been separated in methanol steam producer 12 under the effect of methanol rectification post 7, thus realizes carrying out continuously of esterification.In reaction process, sampled by automatic sampler 14 pairs of reaction product, realize real-time analysis, monitoring.
The beneficial effects of the utility model are: carry out efficient gaseous phase esterification reaction with the methanol steam of solid acid catalyst catalyzed high-purity and lipid acid, the water that esterification generates shifts out through condensation with unreacted methanol steam, esterification acid reduction product is monitored in real time through automatic continuous sampler, because temperature of reaction is higher, the timely transfer of the optimization of gas-phase reaction mass transfer and reactant, this heterogeneous esterification deacidification device can significantly improve reaction efficiency, Reaction time shorten, reach and economize on resources, improve the object of reaction conversion ratio.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Each label in figure: 1-oil bath pan, 2-esterifier, 3-temperature sensor I, 4-three-dimensional communicating vessels, 5-steam quality flowmeter, 6-flow regulator, 7-methanol rectification post, 8-mercury glass rod thermometer, 9-condensing reflux pipe, 10-three-dimensional buffering communicating vessels, 11-temperature sensor II, 12-methanol steam producer, 13-water-bath, 14-automatic sampler.
Embodiment
Embodiment 1: as shown in Figure 1, a kind of heterogeneous esterification deacidification reaction unit, is made up of esterification system, methanol steam generation systems and sampling system; Described esterification system is made up of oil bath pan 1, esterifier 2, three-dimensional communicating vessels 4; Described methanol steam generation systems is made up of steam quality flowmeter 5, flow regulator 6, methanol rectification post 7, mercury glass rod thermometer 8, condensing reflux pipe 9, three-dimensional buffering communicating vessels 10, methanol steam producer 12, water-bath 13; Described sampling system is made up of automatic sampler 14; Described oil bath pan 1 carries temperature sensor I 3, and described water-bath 13 carries temperature sensor II 11;
Described esterification system adopts oil bath pan 1 to heat, and the left port of esterifier 2 is connected with automatic sampler 14, and upper port is provided with three-dimensional communicating vessels 4, and right output port is provided with temperature sensor I 3, methanol steam generation systems adopts water-bath 13 to heat, the left port of methanol steam producer 12 is provided with methanol rectification post 7, upper port and the three-dimensional of methanol steam producer 12 cushion communicating vessels 10 and are connected, the right output port of methanol steam producer 12 is provided with temperature sensor II 11, air outlet, methanol rectification post 7 upper end is by flow regulator 6, steam quality flowmeter 5 is connected with the inlet mouth of three-dimensional communicating vessels 4, methanol rectification post 7 right-hand member is provided with mercury glass rod thermometer 8, three-dimensional buffering communicating vessels 10 upper end is connected with condensing reflux pipe 9, three-dimensional buffering communicating vessels 10 left end arm is connected by the air outlet of pipeline with three-dimensional communicating vessels 4.
Described oil bath pan 1, water-bath 13 are respectively DF-101S digital display heat-collecting magnetic stirring device and adopt oil bath, water-bath mode.
Embodiment 2: as shown in Figure 1, a kind of heterogeneous esterification deacidification reaction unit, is made up of esterification system, methanol steam generation systems and sampling system; Described esterification system is made up of oil bath pan 1, esterifier 2, three-dimensional communicating vessels 4; Described methanol steam generation systems is made up of steam quality flowmeter 5, flow regulator 6, methanol rectification post 7, mercury glass rod thermometer 8, condensing reflux pipe 9, three-dimensional buffering communicating vessels 10, methanol steam producer 12, water-bath 13; Described sampling system is made up of automatic sampler 14; Described oil bath pan 1 carries temperature sensor I 3, and described water-bath 13 carries temperature sensor II 11;
Described esterification system adopts oil bath pan 1 to heat, and the left port of esterifier 2 is connected with automatic sampler 14, and upper port is provided with three-dimensional communicating vessels 4, and right output port is provided with temperature sensor I 3, methanol steam generation systems adopts water-bath 13 to heat, the left port of methanol steam producer 12 is provided with methanol rectification post 7, upper port and the three-dimensional of methanol steam producer 12 cushion communicating vessels 10 and are connected, the right output port of methanol steam producer 12 is provided with temperature sensor II 11, air outlet, methanol rectification post 7 upper end is by flow regulator 6, steam quality flowmeter 5 is connected with the inlet mouth of three-dimensional communicating vessels 4, methanol rectification post 7 right-hand member is provided with mercury glass rod thermometer 8, three-dimensional buffering communicating vessels 10 upper end is connected with condensing reflux pipe 9, three-dimensional buffering communicating vessels 10 left end arm is connected by the air outlet of pipeline with three-dimensional communicating vessels 4.
Composition graphs is explained in detail embodiment of the present utility model above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (2)
1. a heterogeneous esterification deacidification reaction unit, is characterized in that: be made up of esterification system, methanol steam generation systems and sampling system; Described esterification system is made up of oil bath pan (1), esterifier (2), three-dimensional communicating vessels (4); Described methanol steam generation systems is made up of steam quality flowmeter (5), flow regulator (6), methanol rectification post (7), mercury glass rod thermometer (8), condensing reflux pipe (9), three-dimensional buffering communicating vessels (10), methanol steam producer (12), water-bath (13); Described sampling system is made up of automatic sampler (14); Described oil bath pan (1) carries temperature sensor I (3), and described water-bath (13) carries temperature sensor II (11);
Described esterification system adopts oil bath pan (1) heating, and the left port of esterifier (2) is connected with automatic sampler (14), and upper port is provided with three-dimensional communicating vessels (4), and right output port is provided with temperature sensor I (3), methanol steam generation systems adopts water-bath (13) heating, the left port of methanol steam producer (12) is provided with methanol rectification post (7), upper port and the three-dimensional of methanol steam producer (12) cushion communicating vessels (10) and are connected, the right output port of methanol steam producer (12) is provided with temperature sensor II (11), methanol rectification post (7) air outlet, upper end is by flow regulator (6), steam quality flowmeter (5) is connected with the inlet mouth of three-dimensional communicating vessels (4), methanol rectification post (7) right-hand member is provided with mercury glass rod thermometer (8), three-dimensional buffering communicating vessels (10) upper end is connected with condensing reflux pipe (9), three-dimensional buffering communicating vessels (10) left end arm is connected by the air outlet of pipeline with three-dimensional communicating vessels (4).
2. heterogeneous esterification deacidification reaction unit according to claim 1, is characterized in that: described oil bath pan (1), water-bath (13) are respectively DF-101S digital display heat-collecting magnetic stirring device and adopt oil bath, water-bath mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809995.6U CN205152184U (en) | 2015-10-20 | 2015-10-20 | Sour reaction unit falls in heterogeneous esterifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809995.6U CN205152184U (en) | 2015-10-20 | 2015-10-20 | Sour reaction unit falls in heterogeneous esterifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205152184U true CN205152184U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520809995.6U Expired - Fee Related CN205152184U (en) | 2015-10-20 | 2015-10-20 | Sour reaction unit falls in heterogeneous esterifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205152184U (en) |
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2015
- 2015-10-20 CN CN201520809995.6U patent/CN205152184U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20160413 Termination date: 20171020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |