CN208814921U - A kind of device of continuity method synthesis isobutyl isobutyrate - Google Patents
A kind of device of continuity method synthesis isobutyl isobutyrate Download PDFInfo
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- CN208814921U CN208814921U CN201820641720.XU CN201820641720U CN208814921U CN 208814921 U CN208814921 U CN 208814921U CN 201820641720 U CN201820641720 U CN 201820641720U CN 208814921 U CN208814921 U CN 208814921U
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- isobutyl isobutyrate
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Abstract
The utility model provides a kind of device of continuity method synthesis isobutyl isobutyrate, including charging/discharging device, reaction unit, heating device and condensing unit, the discharging device includes isobutanol head tank, isobutyric acid head tank, sulphuric acid tank, mixer, oil water separator, goes out water pot, storage tank；The reaction unit includes packed tower, tower reactor, liquid distribution trough；The heating device includes steaming plant；The condensing unit is upper riser, condenser.The device of the utility model can continuous feed, successive reaction, high production efficiency, energy conservation, recruitment are few, can reduce the production cost of isobutyl isobutyrate, and improve its production capacity, promote the profit margin and economic benefit of enterprise.
Description
Technical field
The present invention relates to fine chemical synthesizing device technical fields, and in particular to a kind of continuity method synthesis isobutyl isobutyrate
Device.
Background technique
Traditional mode of production isobutyl isobutyrate, generallys use batch process, using isobutyric acid, isobutanol as raw material, with sulfuric acid or right
Toluenesulfonic acid etc. is catalyst, using hexamethylene, benzene or toluene as water entrainer, using the reaction kettle with division box, heating reaction
Kettle carries out esterification, continuously adopts water, until reaction terminates, then through cooling, neutralization, washing, then isolated finished product.The life
Production. art, intermittently operated, efficiency is lower, and energy consumption is higher, and recruitment is more.
Summary of the invention
Goal of the invention: in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of continuity method synthesis isobutyric acid
The device of isobutyl ester, the innovation of the invention consists in that can continuous production.
Technical solution: in order to achieve the above object of the invention, the present invention is such completion: a kind of continuity method synthesis isobutyl
The device of sour isobutyl ester, including charging/discharging device, reaction unit, heating device and condensing unit, the discharging device include different
Butanol head tank, sulphuric acid tank, mixer, oil water separator, goes out water pot, storage tank at isobutyric acid head tank；The reaction unit packet
Include packed tower, tower reactor, liquid distribution trough；The heating device includes steaming plant；The condensing unit is upper riser, condensation
Device；Isobutanol head tank is connect by pipeline with tower reactor and pipeline gos deep into the middle and lower part of tower reactor, under the liquid level of tower reactor；Institute
It states tower reactor and is equipped with collet, the steam in steaming plant is passed through in the collet of tower reactor；Tower reactor lower part is equipped with outlet, and outlet passes through pipeline
It is connected with storage tank；It is communicated above tower reactor with packed tower tower bottom, filler is housed, the top of packed tower is equipped with liquid point in packed tower
Cloth device, the top of liquid distribution trough is equipped with feed inlet on the side wall of packed tower, and mixer one end connects feed inlet, and the other end connects
Connect isobutyric acid head tank and sulphuric acid tank；Filler column overhead connects condenser by upper riser, and condensator outlet connects grease point
From device, oil water separator is set there are two outlet, and one outlet bonding pad column overhead, another outlet connects out water pot.
Further, it is equipped with insulating layer outside the packed tower, prevents scattering and disappearing for heat, further increases reaction temperature,
Save energy consumption.
Further, the filler in the packed tower is ceramic ring filler, ceramic ring filler high temperature resistant, corrosion.
Further, in the middle part of the tower reactor, in the middle part of packed tower, at the top of packed tower, in the middle part of oil water separator, at feed inlet all
Equipped with temperature probe, reflect temperature in time, is adjusted in due course convenient for temperature.
Further, the isobutanol head tank outlet, the outlet of isobutyric acid head tank, sulphuric acid tank outlet, oil water separator
Outlet, tower reactor exit be designed with metering pump, can accurate measurement charging and discharging amount.
Further, the steam pressure of the steaming plant and flow are adjustable, can by adjust steam pressure and
Flow controls the temperature of tower reactor.
Further, the cooling water temperature in the condenser and flow are adjustable.
Beneficial effects of the present invention: compared with traditional technology, the present invention has the advantage that
1, the device of the invention can continuous feed, successive reaction, high production efficiency, energy conservation, recruitment are few.
2, the present invention can reduce the production cost of isobutyl isobutyrate, and improve its production capacity, and the profit for promoting enterprise is empty
Between and economic benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1.
Specific embodiment
Embodiment 1, as shown in Figure 1, a kind of device of continuity method synthesis isobutyl isobutyrate, including it is charging/discharging device, anti-
Answer device, heating device and condensing unit, charging/discharging device include isobutanol head tank 3, isobutyric acid head tank 5, sulphuric acid tank 6,
Mixer 4, goes out water pot 13, storage tank 1 at oil water separator 12；Reaction unit includes packed tower 8, tower reactor 2, liquid distribution trough 9；
The heating device includes steaming plant 7；Condensing unit is upper riser 10, condenser 11；The steam pressure of steaming plant 7 and
Flow is adjustable, and the cooling water temperature and flow in condenser 11 are adjustable；Isobutanol head tank 3 is connected by pipeline and tower reactor 2
It connects and pipeline gos deep into the middle and lower part of tower reactor 2, under the liquid level of tower reactor 2；The tower reactor 2 is equipped with collet, in steaming plant 7
Steam is passed through in the collet of tower reactor 2；2 lower part of tower reactor is equipped with outlet, and outlet is connected by pipeline and storage tank 1；The top of tower reactor 2 with
8 tower bottom of packed tower communicates, and ceramic ring filler is housed in packed tower 8, is equipped with insulating layer outside packed tower 8, the top of packed tower 8 is equipped with
Liquid distribution trough 9, the top of liquid distribution trough 9 is equipped with feed inlet, the connection charging of 4 one end of mixer on the side wall of packed tower 8
Mouthful, the other end connects isobutyric acid head tank 5 and sulphuric acid tank 6；8 tower top of packed tower connects condenser 11 by upper riser 10, cold
The outlet of condenser 11 connection oil water separator 12, oil water separator 12 are set there are two outlet, 8 tower top of one outlet bonding pad tower,
Another outlet connects out water pot 13；2 middle part of tower reactor, 8 middle part of packed tower, 8 top of packed tower, 12 middle part of oil water separator, filler
Temperature probe is designed at the feed inlet of tower 8；The outlet of isobutanol head tank 3, isobutyric acid head tank 5 export, sulphuric acid tank 6 exports,
The outlet of oil water separator 12, the outlet of tower reactor 2 are designed with metering pump.
When work, by raw material isobutanol, tower reactor 2 is continuously pumped by metering pump, under the heat effect of steam, vaporization is backward
Upper flowing；By raw material isobutyric acid and catalyst sulfuric acid, mixer 4 is continuously pumped by metering pump respectively, mixed raw material is continuous
2 upper feed inlet of packed tower is passed through to flow downward after liquid distribution trough 9 is uniformly distributed through packing layer；Two strands of raw materials and catalysis
Agent is sufficiently in contact in packing layer, phase transformation, fusion, carries out esterification, generates isobutyl isobutyrate；The water of generation is in water
The organic matters such as vaporous, and the relatively low vaporous isobutanol of a small amount of no reaction, boiling point evaporate into condensation through upper riser 10
Water phase and oily phase are formed in device 11, after condensation, mutually the reaction was continued for reflux return tower body for oil after oil water separator 12, and water phase imports
Water pot 13 out, the qualified discharge after the processing such as necessary recycling；The isobutyl isobutyrate crude product of generation, sulfuric acid and a small amount of not anti-
Isobutanol, the isobutyric acid answered gather tower reactor 2, through metering pump continuous discharge to storage tank 1；Crude product also need it is post-treated, point
From equal subsequent operations, isobutyl isobutyrate finished product can be obtained.
Embodiment 2: as isobutyric acid inlet amount 155kg/h, sulfuric acid inlet amount 0.15kg/h, isobutanol inlet amount 169kg/h
When, water phase produced quantity 31.65kg/h, overhead reflux amount 500kg/h；Tower reactor isobutyl isobutyrate crude product, storing amount
292.5kg/h；In crude product, isobutyl isobutyrate ester content 85%, isobutyl alcohol content 14%, isobutyl acid content 1%, wherein in tower reactor
154 DEG C of portion's temperature, 141 DEG C of packed tower middle portion temperature, 127 DEG C of packed tower inlet temperature, 108 DEG C of tower top temperature, water-oil separating
72 DEG C of device middle portion temperature.
Claims (7)
1. a kind of device of continuity method synthesis isobutyl isobutyrate, which is characterized in that including charging/discharging device, reaction unit, add
Thermal and condensing unit, the charging/discharging device include isobutanol head tank, isobutyric acid head tank, sulphuric acid tank, mixer, oil
Separator goes out water pot, storage tank；The reaction unit includes packed tower, tower reactor, liquid distribution trough；The heating device packet
Include steaming plant；The condensing unit is upper riser, condenser；Isobutanol head tank is connect by pipeline with tower reactor and pipeline
The middle and lower part for going deep into tower reactor, under the liquid level of tower reactor；The tower reactor is equipped with collet, and the steam in steaming plant is passed through tower reactor
Collet in；Tower reactor lower part is equipped with outlet, and outlet is connected by pipeline with storage tank；It is communicated above tower reactor with packed tower tower bottom,
Filler is housed, the top of packed tower is equipped with liquid distribution trough, the top of liquid distribution trough on the side wall of packed tower in packed tower
Equipped with feed inlet, mixer one end connects feed inlet, and the other end connects isobutyric acid head tank and sulphuric acid tank；Filler column overhead passes through
Upper riser connects condenser, and condensator outlet connects oil water separator, and oil water separator is set there are two outlet, and one outlet connects
Filler column overhead is connect, another outlet connects out water pot.
2. the device of continuity method synthesis isobutyl isobutyrate according to claim 1, which is characterized in that outside the packed tower
Portion is equipped with insulating layer.
3. the device of continuity method synthesis isobutyl isobutyrate according to claim 1, which is characterized in that in the packed tower
Filler be ceramic ring filler.
4. the device of continuity method synthesis isobutyl isobutyrate according to claim 1, which is characterized in that in the tower reactor
Temperature probe is designed in the middle part of portion, packed tower, at the top of packed tower, in the middle part of oil water separator, at feed inlet.
5. the device of continuity method synthesis isobutyl isobutyrate according to claim 1, which is characterized in that the isobutanol is former
Batch can outlet, the outlet of isobutyric acid head tank, sulphuric acid tank outlet, oil water separator outlet, tower reactor exit are designed with metering pump.
6. the device of continuity method synthesis isobutyl isobutyrate according to claim 1, which is characterized in that the steaming plant
Steam pressure and flow it is adjustable.
7. the device of continuity method synthesis isobutyl isobutyrate according to claim 1, which is characterized in that in the condenser
Cooling water temperature and flow it is adjustable.
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| CN201820641720.XU CN208814921U (en) | 2018-05-02 | 2018-05-02 | A kind of device of continuity method synthesis isobutyl isobutyrate |
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| CN201820641720.XU CN208814921U (en) | 2018-05-02 | 2018-05-02 | A kind of device of continuity method synthesis isobutyl isobutyrate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108484395A (en) * | 2018-05-02 | 2018-09-04 | 宜兴市恒兴精细化工有限公司 | A kind of device of continuity method synthesis isobutyl isobutyrate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108484395A (en) * | 2018-05-02 | 2018-09-04 | 宜兴市恒兴精细化工有限公司 | A kind of device of continuity method synthesis isobutyl isobutyrate |
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Address after: 214213 Yongning Branch Road, Yixing Economic and Technological Development Zone, Wuxi City, Jiangsu Province Patentee after: Jiangsu Hengxing New Material Technology Co., Ltd Address before: 214200 Yongning Branch, Yixing economic and Technological Development Zone, Wuxi, Jiangsu Patentee before: YIXING HENGXING FINE CHEMICAL Co.,Ltd. |