CN206359449U - A kind of biological plasticizer epoxy aliphatic acid methyl ester process units - Google Patents
A kind of biological plasticizer epoxy aliphatic acid methyl ester process units Download PDFInfo
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- CN206359449U CN206359449U CN201621444782.9U CN201621444782U CN206359449U CN 206359449 U CN206359449 U CN 206359449U CN 201621444782 U CN201621444782 U CN 201621444782U CN 206359449 U CN206359449 U CN 206359449U
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Abstract
The utility model is related to a kind of biological plasticizer epoxy aliphatic acid methyl ester process units, and it includes the reactor being arranged in series（101）, Material-washing kettle（102）And rectifying still（103）；Reactor（101）On be connected with hydrogen peroxide feeding line, the hydrogen peroxide feeding line setting fluid reservoir one（201）, reactor（101）On be also associated with fatty acid methyl ester and formic acid feeding line；The reactor（101）Outside is provided with chuck, is internally provided with coil pipe, rectifying still（103）Inside set coil pipe and lead to steam heating；Rectifying still（103）Connect rectifying column two（302）, rectifying column two（302）With condenser two（402）It is connected, condenser two（402）Recirculated cooling water and cooling tower two（502）It is connected；Condenser two（402）With fluid reservoir four（204）It is connected, fluid reservoir four（204）It is connected with vacuum pump set B.A kind of biological plasticizer epoxy aliphatic acid methyl ester process units of the present utility model has the advantages that low with short production cycle, cost, energy-conserving and environment-protective, safety and stability, automaticity are high.
Description
Technical field
The utility model is related to a kind of plasticizer preparation facilities, and in particular to a kind of biological plasticizer epoxy aliphatic acid methyl ester
Process units.
Background technology
Plasticizer is one of common auxiliary agent in plastics industry, and common kind has DOP, DBP etc., its main function be
Melt viscosity when glass transition temperature and the plastics processing of material is reduced, still, many plasticizer contain using oil as raw material
It is toxic, it is unsatisfactory for environmental requirement.
Epoxy aliphatic acid methyl ester is made through epoxidation after crude vegetal and alcohols esterification, is a kind of using extensive
Nontoxic polyvinyl chloride plasticizer, volatility is low, can replace traditional toxicity plasticizer being made using oil as raw material, meet
The environmental requirement of plasticizer.Existing epoxy aliphatic acid methyl ester production method, is to be held using enamel or stainless steel as reaction
Device, raw material is：Fatty acid methyl ester, formic acid, hydrogen peroxide, formic acid and hydrogen peroxide reaction generation peroxyformic acid, peroxyformic acid immediately with
Unsaturated double-bond reaction in fatty acid methyl ester, generates epoxy aliphatic acid methyl ester.Additionally due to epoxidation reaction is Fast exothermic
Reaction, also easily can cause reactant excessive once reacting liquid temperature control is improper.Existing apparatus production epoxy aliphatic acid methyl ester is deposited
In following defect：(1) the reaction generation time is long, and production cost is higher；(2) technical flow design is unreasonable, resource and energy profit
It is poor with rate；(3) automation technolo degree is low；（4）Cooling system cooling effect is poor, with unsafe factor.
The content of the invention
The purpose of this utility model is to provide a kind of low with short production cycle, cost, energy-conserving and environment-protective, safety and stability, automation
The high biological plasticizer epoxy aliphatic acid methyl ester process units of degree.
The technical scheme in the invention for solving the above technical problem is：A kind of biological plasticizer epoxy aliphatic acid methyl ester
Process units, it includes reactor, Material-washing kettle and the rectifying still being arranged in series；
Rectifying column one is set at the top of reactor, and the top of rectifying column one is connected with the import of condenser one, and the condenser one goes out
Mouth is connected with reactor；The recirculated cooling water of condenser one and the heat exchange of cooling tower two；
Setting fluid reservoir one, reactor on hydrogen peroxide feeding line, the hydrogen peroxide feeding line are connected with reactor
On be also associated with fatty acid methyl ester and formic acid feeding line；
Chuck is provided with outside the reactor, coil pipe, the external jacket recirculated cooling water and cooling is internally provided with
Tower one is connected, the coil pipe recirculated cooling water connection fluid reservoir two, cooling tower two, the storage clear water of fluid reservoir two；Outside the coil pipe
Portion's pipeline was last to be connected with steam pipe line；
Fluid reservoir three is connected on Material-washing kettle charging aperture, fluid reservoir three is sodium hydroxide solution storage tank；
Material-washing kettle is connected with fluid reservoir two, and feed liquid water-washing step is carried out using the recirculated cooling water in fluid reservoir two；
Coil pipe is set in rectifying still and leads to steam heating；Rectifying still connects rectifying column two, and rectifying column two is connected with condenser two, cold
The recirculated cooling water of condenser two is connected with cooling tower two；Condenser two is connected with fluid reservoir four, and fluid reservoir four is connected with vacuum pump set
B。
Reactor in the reaction unit, Material-washing kettle, each kettle position of rectifying still is arranged from high in the end by production sequencing
Install.Feed liquid need to only be inputted in the first step, and reactor is transferred to Material-washing kettle, and Material-washing kettle is transferred to rectifying still, and feed liquid can profit
Realized and shifted with gravity, simplify operating procedure, save the energy.Material-washing kettle and rectifying still can not connect pump and be transmitted, and reduction is set
It is standby to use, reduce cost of investment.
The fluid reservoir one is dioxygen water storage tank.Hydrogen peroxide concentration is 50% mass percent.
Compared with prior art, the utility model has the advantage of：
The reactor outer circulation cooling water is connected with cooling tower one, and interior circulation cooling water is connected with cooling tower two, condensation
The cooling water of device one and condenser two is connected with cooling tower two.Water resource can be recycled by being so designed that, reduce cost, it is to avoid
Cause the wasting of resources.It can be made full use of for the steam waste heat after heating simultaneously, for heating employee's daily life water（Non- drink
Use water）.
The interior circulation cooling water of the reactor is stored into fluid reservoir two, carries out washing material available for Material-washing kettle, fully profit
With water resource, the use of equipment is reduced.
The described technique replaces 35% hydrogen peroxide to carry out production using 50% hydrogen peroxide can accelerate reaction speed, but reaction is put
Heat increases, so reactor is provided with inside and outside two sets of cooling systems, the accurate control of reaction temperature can be achieved.So that reaction temperature
Degree is within the specific limits.
The Material-washing kettle reaches 6.5 or so by the way that sodium hydroxide solution, controllable pH value is added dropwise so that product quality is more steady
It is fixed.
Brief description of the drawings
Fig. 1 is a kind of structural representation of biological plasticizer epoxy aliphatic acid methyl ester process units of the utility model.
Reactor 101, Material-washing kettle 102, rectifying still 103；
Fluid reservoir 1, fluid reservoir 2 202, fluid reservoir 3 203, fluid reservoir 4 204；
Rectifying column 1, rectifying column 2 302；
Condenser 1, condenser 2 402；
Cooling tower 1, cooling tower 2 502.
Embodiment
Following examples combination accompanying drawing 1 is described in further detail to the utility model.
Embodiment 1
A kind of biological plasticizer epoxy aliphatic acid methyl ester process units, including be arranged in series reactor 101, Material-washing kettle
102 and rectifying still 103；
The top of reactor 101 sets rectifying column 1, and the top of rectifying column 1 is connected with the import of condenser 1, institute
The outlet of condenser 1 is stated with reactor 101 to be connected；The recirculated cooling water of condenser 1 is handed over the heat of cooling tower 2 502
Change；
Setting fluid reservoir 1 on hydrogen peroxide feeding line, the hydrogen peroxide feeding line is connected with reactor 101,
Fluid reservoir 1 is connected with measuring pump and electromagnetic flowmeter；The fluid reservoir 1 is dioxygen water storage tank, and hydrogen peroxide concentration is 50%
Mass percent.Fatty acid methyl ester and formic acid feeding line are also associated with reactor 101, the fatty acid methyl ester and formic acid enter
Expects pipe line is provided with charging measuring pump.
Be provided with chuck outside the reactor 101, be internally provided with coil pipe, the external jacket recirculated cooling water with it is cold
But tower 1 is connected, and the coil pipe recirculated cooling water connection fluid reservoir 2 202, cooling tower 2 502, the storage of fluid reservoir 2 202 are clear
Water；The coil pipe exterior tubing was last to be connected with steam pipe line；
The bottom valve of reactor 101 is connected with Material-washing kettle 102, and bottom valve is opened feed liquid and is transferred in Material-washing kettle 102；Material-washing kettle 102
Fluid reservoir 3 203 is connected on charging aperture, fluid reservoir 3 203 is connected with charging measuring pump；Material-washing kettle 102 is connected with pH regulating systems, washes
Expect that the inside of kettle 102 determines probe provided with pH, control the bottom magnetic valve of fluid reservoir 3 203 to be opened and closed by the pH value measured, so as to control
The addition of hydrogen manufacturing sodium hydroxide solution；
Material-washing kettle 102 is connected with fluid reservoir 2 202, and feed liquid washing is carried out using the recirculated cooling water in fluid reservoir 2 202
Step；The bottom of Material-washing kettle 102 is connected with liquid separatnig valve and bottom valve, and bottom valve is connected with rectifying still 103, and bottom valve opens feed liquid and is transferred to essence
Evaporate in kettle 103.
Coil pipe is set in rectifying still 103 and leads to steam heating；Rectifying still 103 connect rectifying column 2 302, rectifying column 2 302 with it is cold
Condenser 2 402 is connected, and the recirculated cooling water of condenser 2 402 is connected with cooling tower 2 502；Condenser 2 402 and fluid reservoir four
204 are connected, and fluid reservoir 4 204 is connected with vacuum pump set B.
Production sequencing is pressed from height in reactor 101 in the reaction unit, Material-washing kettle 102, each kettle position of rectifying still 103
Arrangement is installed on earth.Feed liquid need to only be inputted in the first step, and reactor 101 is transferred to Material-washing kettle 102, and Material-washing kettle 102 is transferred to essence
Evaporate the feed liquid of kettle 103 and may be by gravity realization transfer, simplify operating procedure, save the energy.Material-washing kettle 102 and rectifying still 103
Pump can not be connect to be transmitted, equipment is reduced and use, reduce cost of investment.
Embodiment 2
A kind of biological plasticizer epoxy aliphatic acid methyl ester production method, methods described comprises the following steps：
1st, fatty acid methyl ester and formic acid feeding line hand-operated valve are opened, measuring pump sequentially adds fat into reactor 101
Sour methyl esters 1000kg and formic acid 100kg.
2nd, stirring is opened, vacuum pump set cooling water valve is opened, reaction temperature automatic control system is opened, temp probe is measured
Reacting liquid temperature is less than 45 DEG C, and system control steam-heating pipe line magnetic valve, logical steam is heated, and temperature rises to 45 DEG C, stops
Only heat.
3rd, hydrogen peroxide inlet valve and pump are opened, 50% content hydrogen peroxide 360Kg is stored in fluid reservoir 1, electromagnetism is opened
Flowmeter, hydrogen peroxide is added dropwise into reactor with 50g/S speed.Reaction temperature automatic control system detects temperature and reaches 55
When spending, control coil pipe interior circulation cooling water and chuck outer circulation cooling reduce temperature of reaction system so that temperature is maintained at 45-
55℃.After completion of dropping, continue to be incubated backflow 2 hours.
4th, open the bottom valve of reactor 101, feed liquid is transferred in Material-washing kettle 102, the bottom of Material-washing kettle 102 be connected with liquid separatnig valve and
Bottom valve, opens stirring, opens sodium hydroxide charging hand-operated valve and pump, 5% enough content hydroxide is stored in fluid reservoir 3 203
Sodium solution, opens pH regulating systems, and control sodium hydroxide feeds the opening and closing of magnetic valve, stops when probe is measured when pH is 6.5 or so
Only add sodium hydroxide solution.Open and cleaned in liquid separatnig valve point sub-cloud aqueous phase, remaining oil phase with clear water twice, cleaning method
For：Fluid reservoir 2 202 and the valve in the connecting pipeline of Material-washing kettle 102 are opened, the interior circulation in fluid reservoir 2 202 is cooled down current
Enter in Material-washing kettle 102, liquid separatnig valve point sub-cloud aqueous phase is opened after stirring, standing, layering.The bottom valve of Material-washing kettle 102 and rectifying still 103
It is connected, the bottom valve of Material-washing kettle 102 is opened feed liquid and is transferred in rectifying still 103.Coil pipe is set in rectifying still 103 and leads to steam heating；Rectifying
Kettle 103 connects rectifying column 2 302, and rectifying column 2 302 is connected with condenser 2 402（Recirculated cooling water and the phase of cooling tower 2 502
Even）；Condenser 2 402 is connected with fluid reservoir 4 204, and fluid reservoir 4 204 is connected with vacuum pump set B.
5th, rectifying still 103 and rectifying column 2 302 work, and distill moisture unnecessary in out-feed liquid to fluid reservoir 4 204, moisture
It is product environment friendly biological plasticizer epoxy aliphatic acid methyl ester to have steamed remaining liq in rear kettle.
Embodiment 3
1st, fatty acid methyl ester and formic acid feeding line hand-operated valve are opened, measuring pump sequentially adds fat into reactor 101
Sour methyl esters 1000kg and formic acid 110Kg.
2nd, stirring is opened, vacuum pump set cooling water valve is opened, reaction temperature automatic control system is opened, temp probe is measured
Reacting liquid temperature is less than 45 DEG C, and system control steam-heating pipe line magnetic valve, logical steam is heated, and temperature rises to 45 DEG C, stops
Only heat.
3rd, hydrogen peroxide inlet valve and pump are opened, 50% content hydrogen peroxide 380Kg is stored in fluid reservoir 1, electromagnetism is opened
Flowmeter, hydrogen peroxide is added dropwise into reactor with 55g/S speed.Reaction temperature automatic control system detects temperature and reaches 55
When spending, control coil pipe interior circulation cooling water and chuck outer circulation cooling reduce temperature of reaction system so that temperature is maintained at 45-
55℃.After completion of dropping, continue to be incubated backflow 2 hours.
4th, open the bottom valve of reactor 101, feed liquid is transferred in Material-washing kettle 102, the bottom of Material-washing kettle 102 be connected with liquid separatnig valve and
Bottom valve, opens stirring, opens sodium hydroxide charging hand-operated valve and pump, 5% enough content hydroxide is stored in fluid reservoir 3 203
Sodium solution, opens pH regulating systems, and control sodium hydroxide feeds the opening and closing of magnetic valve, stops when probe is measured when pH is 6.5 or so
Only add sodium hydroxide solution.Open and cleaned in liquid separatnig valve point sub-cloud aqueous phase, remaining oil phase with clear water twice, cleaning method
For：Fluid reservoir 2 202 and the valve in the connecting pipeline of Material-washing kettle 102 are opened, the interior circulation in fluid reservoir 2 202 is cooled down current
Enter in Material-washing kettle 102, liquid separatnig valve point sub-cloud aqueous phase is opened after stirring, standing, layering.The bottom valve of Material-washing kettle 102 and rectifying still 103
It is connected, the bottom valve of Material-washing kettle 102 is opened feed liquid and is transferred in rectifying still 103.Coil pipe is set in rectifying still 103 and leads to steam heating；Rectifying
Kettle 103 connects rectifying column 2 302, and rectifying column 2 302 is connected with condenser 2 402（Recirculated cooling water and the phase of cooling tower 2 502
Even）；Condenser 2 402 is connected with fluid reservoir 4 204, and fluid reservoir 4 204 is connected with vacuum pump set B.
5th, evaporate kettle 103 and rectifying column 2 302 works, distill moisture unnecessary in out-feed liquid to fluid reservoir 4 204, moisture steams
Remaining liq is product environment friendly biological plasticizer epoxy aliphatic acid methyl ester in complete rear kettle.
Embodiment 4
1st, fatty acid methyl ester and formic acid feeding line hand-operated valve are opened, measuring pump sequentially adds fat into reactor 101
Sour methyl esters 1000kg and formic acid 120Kg.
2nd, stirring is opened, vacuum pump set cooling water valve is opened, reaction temperature automatic control system is opened, temp probe is measured
Reacting liquid temperature is less than 45 DEG C, and system control steam-heating pipe line magnetic valve, logical steam is heated, and temperature rises to 45 DEG C, stops
Only heat.
3rd, hydrogen peroxide inlet valve and pump are opened, 50% content hydrogen peroxide 400Kg is stored in fluid reservoir 1, electromagnetism is opened
Flowmeter, hydrogen peroxide is added dropwise into reactor with 60g/S speed.Reaction temperature automatic control system detects temperature and reaches 55
When spending, control coil pipe interior circulation cooling water and chuck outer circulation cooling reduce temperature of reaction system so that temperature is maintained at 45-
55℃.After completion of dropping, continue to be incubated backflow 2 hours.
4th, open the bottom valve of reactor 101, feed liquid is transferred in Material-washing kettle 102, the bottom of Material-washing kettle 102 be connected with liquid separatnig valve and
Bottom valve, opens stirring, opens sodium hydroxide charging hand-operated valve and pump, 5% enough content hydroxide is stored in fluid reservoir 3 203
Sodium solution, opens pH regulating systems, and control sodium hydroxide feeds the opening and closing of magnetic valve, stops when probe is measured when pH is 6.5 or so
Only add sodium hydroxide solution.Open and cleaned in liquid separatnig valve point sub-cloud aqueous phase, remaining oil phase with clear water twice, cleaning method
For：Fluid reservoir 2 202 and the valve in the connecting pipeline of Material-washing kettle 102 are opened, the interior circulation in fluid reservoir 2 202 is cooled down current
Enter in Material-washing kettle 102, liquid separatnig valve point sub-cloud aqueous phase is opened after stirring, standing, layering.The bottom valve of Material-washing kettle 102 and rectifying still 103
It is connected, the bottom valve of Material-washing kettle 102 is opened feed liquid and is transferred in rectifying still 103.Coil pipe is set in rectifying still 103 and leads to steam heating；Rectifying
Kettle 103 connects rectifying column 2 302, and rectifying column 2 302 is connected with condenser 2 402（Recirculated cooling water and the phase of cooling tower 2 502
Even）；Condenser 2 402 is connected with fluid reservoir 4 204, and fluid reservoir 4 204 is connected with vacuum pump set B.
5th, evaporate kettle 103 and rectifying column 2 302 works, distill moisture unnecessary in out-feed liquid to fluid reservoir 4 204, moisture steams
Remaining liq is product environment friendly biological plasticizer epoxy aliphatic acid methyl ester in complete rear kettle.
In addition to the implementation, the utility model also includes other embodiment, all use equivalents or equivalent
The technical scheme of substitute mode formation, all should fall within the utility model scope of the claims.
Claims (3)
1. a kind of biological plasticizer epoxy aliphatic acid methyl ester process units, it is characterised in that：It includes the reactor being arranged in series
（101）, Material-washing kettle（102）And rectifying still（103）；
Reactor（101）Top sets rectifying column one（301）, rectifying column one（301）Top and condenser one（401）Import phase
Even, the condenser one（401）Outlet and reactor（101）It is connected；The condenser one（401）Recirculated cooling water and cooling tower
Two（502）Heat exchange；
Reactor（101）On be connected with hydrogen peroxide feeding line, the hydrogen peroxide feeding line setting fluid reservoir one（201）,
Reactor（101）On be also associated with fatty acid methyl ester and formic acid feeding line；
The reactor（101）Outside is provided with chuck, is internally provided with coil pipe, the external jacket recirculated cooling water and cooling
Tower one（501）It is connected, the coil pipe recirculated cooling water connects fluid reservoir two（202）, cooling tower two（502）；Outside the coil pipe
Pipeline was last to be connected with steam pipe line；
Material-washing kettle（102）Fluid reservoir three is connected on charging aperture（203）, fluid reservoir three（203）For sodium hydroxide solution storage tank；
Material-washing kettle（102）With fluid reservoir two（202）It is connected, utilizes fluid reservoir two（202）In recirculated cooling water carry out feed liquid water
Wash step；
Rectifying still（103）Inside set coil pipe and lead to steam heating；Rectifying still（103）Connect rectifying column two（302）, rectifying column two（302）
With condenser two（402）It is connected, condenser two（402）Recirculated cooling water and cooling tower two（502）It is connected；Condenser two
（402）With fluid reservoir four（204）It is connected, fluid reservoir four（204）It is connected with vacuum pump set B.
2. a kind of biological plasticizer epoxy aliphatic acid methyl ester process units according to claim 1, it is characterised in that：It is described
Reactor in reaction unit（101）, Material-washing kettle（102）, rectifying still（103）Arranged from high in the end by production sequencing each kettle position
Row are installed.
3. a kind of biological plasticizer epoxy aliphatic acid methyl ester process units according to claim 1, it is characterised in that：It is described
Fluid reservoir one（201）For dioxygen water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621444782.9U CN206359449U (en) | 2016-12-27 | 2016-12-27 | A kind of biological plasticizer epoxy aliphatic acid methyl ester process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621444782.9U CN206359449U (en) | 2016-12-27 | 2016-12-27 | A kind of biological plasticizer epoxy aliphatic acid methyl ester process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206359449U true CN206359449U (en) | 2017-07-28 |
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ID=59376196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621444782.9U Active CN206359449U (en) | 2016-12-27 | 2016-12-27 | A kind of biological plasticizer epoxy aliphatic acid methyl ester process units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206359449U (en) |
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2016
- 2016-12-27 CN CN201621444782.9U patent/CN206359449U/en active Active
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