CN205590594U - Novel triethyl phosphate production device - Google Patents

Novel triethyl phosphate production device Download PDF

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Publication number
CN205590594U
CN205590594U CN201620266503.8U CN201620266503U CN205590594U CN 205590594 U CN205590594 U CN 205590594U CN 201620266503 U CN201620266503 U CN 201620266503U CN 205590594 U CN205590594 U CN 205590594U
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CN
China
Prior art keywords
pipeline
chemical reaction
shurry pump
filter
kettle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620266503.8U
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Chinese (zh)
Inventor
常德启
常德余
孙正
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Xuzhou Yongli Fine Chemical Co Ltd
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Xuzhou Yongli Fine Chemical Co Ltd
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Filing date
Publication date
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Priority to CN201620266503.8U priority Critical patent/CN205590594U/en
Application granted granted Critical
Publication of CN205590594U publication Critical patent/CN205590594U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a novel triethyl phosphate production device, the device belong to meticulous chemical production field, include: chemical reaction cauldron, hydrogen chloride gas retrieve jar, stills, ethanol recovery jar, car wash gun, filter, finished product jar, be equipped with a raw materials import on the chemical reaction cauldron, chemical reaction cauldron and hydrogen chloride gas retrieve and are equipped with first pipeline between the jar, be equipped with first shurry pump and pipeline between chemical reaction cauldron and stills, be equipped with the second pipeline between stills and ethanol recovery jar, be equipped with second shurry pump and pipeline between stills and car wash gun, last the 2nd raw materials import that is equipped with of car wash gun, the waste liquid export, be equipped with third shurry pump and pipeline between car wash gun and filter, be equipped with the impurity mixing on the filter, be equipped with fourth shurry pump and pipeline between filter and finished product jar.

Description

Novel phosphoric acid triethyl process units
Technical field
This utility model belongs to field of fine chemical, particularly relates to a kind of machinery producing triethyl phosphate.
Background technology
Triethyl phosphate, molecular formula is C6H15O4P, and molecular weight is 182.07, and outward appearance is colourless mobile liquid, micro-strip fruit aroma, and its production method includes: by Phosphorous chloride., ethanol and sodium acetate interaction preparation;With phosphorus oxychloride and ethanol as raw material, synthesized by esterification process.It is mainly used for: use as catalyst, is xylene isomerization body catalyst, the polymerization catalyst of alkene, the catalyst of manufacture lead tetraethyl, manufactures the catalyst of carbodiimides, trialkylboron and the displacement reaction catalyst of alkene, uses acetic acid high temperature dehydration to manufacture the catalyst of ketenes;Use as solvent, be celluloid and the solvent of cellulose acetate, the solvent of ethylene fluoride dispersion;Use as stabilizer, be chlorine system insecticide and stabilizer, the stabilizer of phenolic resin, the solid formulation of sugar alcohol resin;In terms of synthetic resin, it is the firming agent of xylenol formaldehyde resin, the softening agent of phenolic resin that shell mould mold is used, the softening agent of vinyl chloride, the plasticizer of vinyl acetate polymer, the fire retardant of polyester resin;Use as high boiling solvent, be the plasticizer of rubber and plastics, also serve as the raw material producing agricultural chemical insecticide.This utility model device uses and carrys out synthesizing triethyl phosphate with phosphorus oxychloride and ethanol for raw material, concrete technology is: first with pump, a certain amount of phosphorus oxychloride is squeezed into chemical reaction kettle, start stirring, the temperature controlled in chemical reaction kettle rises to 50~60 DEG C, now start to drip ethanol, controlling time for adding is 5~6 hours, i.e. reaches reaction end until producing without hydrogen chloride;Then reactant liquor is sent into distillating still, decompression distillation excess ethyl alcohol at a temperature of 40~60 DEG C;Again material in distillating still is transferred to washing kettle, first carries out alkali cleaning process, after stratification, organic layer is carried out washing process, again proceed to organic layer after stratification obtain finished product, with transport pump to finished pot after filter filters.
Summary of the invention
The problem that this utility model mainly solves is to provide a kind of Novel phosphoric acid triethyl process units, this device, with chemical reaction kettle, hydrogen chloride gas recycling can, distillating still, ethanol recycling can, washing kettle, filter, finished pot as equipment, produces triethyl phosphate with phosphorus oxychloride, ethanol, liquid caustic soda for raw material.
The technical solution adopted in the utility model is:
A kind of Novel phosphoric acid triethyl process units, including: chemical reaction kettle 1, hydrogen chloride gas recycling can 2, distillating still 3, ethanol recycling can 4, washing kettle 5, filter 6, finished pot 7;Chemical reaction kettle 1 is provided with the first material inlet 8, the first pipeline 9 it is provided with between chemical reaction kettle 1 and hydrogen chloride gas recycling can 2, the first shurry pump and pipeline 10 it is provided with between chemical reaction kettle 1 and distillating still 3, second pipe 11 it is provided with between distillating still 3 and ethanol recycling can 4, the second shurry pump and pipeline 12 it is provided with between distillating still 3 and washing kettle 5, washing kettle 5 is provided with the second material inlet 13, waste liquid outlet 14, the 3rd shurry pump and pipeline 15 it is provided with between washing kettle 5 and filter 6, filter 6 is provided with impurity and blends 16, the 4th shurry pump and pipeline 17 it is provided with between filter 6 and finished pot 7.
Further technical scheme of the present utility model is:
Described the first pipeline, second pipe are epoxy resin pipeline.
Described the first shurry pump, the second shurry pump, the 3rd shurry pump, the 4th shurry pump are stainless steel, and connected pipeline is epoxy resin pipeline.
Described chemical reaction kettle, distillating still, washing kettle are 5 tonnes, ceramic liner.
The beneficial effects of the utility model are: providing a kind of Novel phosphoric acid triethyl process units, the advantage of this device is: use common apparatus combination, production technology is simple, with short production cycle, product purity is high, discharge without toxic and harmful and liquid, the series of advantages such as can be mass;Product uses mainly as catalyst, solvent, stabilizer, firming agent, softening agent, softening agent, plasticizer, fire retardant, also serves as the raw material producing agricultural chemical insecticide.
Accompanying drawing illustrates:
If Fig. 1 is structure of the present utility model and process flow diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings further illustrate use this machinery produce triethyl phosphate most preferred embodiment particular content:
1. the first material inlet 8 by being arranged on chemical reaction kettle 1 adds the phosphorus oxychloride warming while stirring of formula ratio to 50-60 DEG C in chemical reaction kettle 1, drip the ethanol of formula ratio to chemical reaction kettle 1 now by the first material inlet 8 being arranged on chemical reaction kettle 1, controlling time for adding is 5-6 hour, the hydrogen chloride gas produced is sent into hydrogen chloride gas recycling can 2 by the first pipeline 9 being arranged between chemical reaction kettle 1 and hydrogen chloride gas recycling can 2 and is stored to make hydrochloric acid, i.e. reaches reaction end until producing without hydrogen chloride gas.
2. liquid in chemical reaction kettle 1 is sent into distillating still 3 decompression by the first shurry pump being arranged between chemical reaction kettle 1 and distillating still 3 and pipeline 10 and distill out excess ethyl alcohol, ethanol is sent into ethanol recycling can 4 by the second pipe 11 being arranged between distillating still 3 and ethanol recycling can 4 and is recycled, and other liquid in distillating still 3 sends into washing kettle 5 by the second shurry pump and the pipeline 12 being arranged between distillating still 3 and washing kettle 5.
3. the second material inlet 13 by being arranged on washing kettle 5 is initially charged quantitative liquid caustic soda, stands and stayed by the organic layer of top layer after liquid layered for 24 hours after stirring, and the liquid of bottom is discharged by the waste liquid outlet 14 being arranged on washing kettle 5;The second material inlet 13 by being arranged on washing kettle 5 adds quantitative water again, after standing 24 little layereds after stirring, the organic layer of top layer is stayed, the liquid of bottom is discharged by the waste liquid outlet 14 being arranged on washing kettle 5, remaining organic layer is sent into filter 6 by the 3rd shurry pump being arranged between washing kettle 5 and filter 6 and pipeline 15 and is filtered impurity, impurity is discharged by the impurities outlet 16 being arranged on filter 6, and pure product is sent into finished pot 7 by the 4th shurry pump being arranged between filter 6 and finished pot 7 and pipeline 17 and stored.
Certainly, this utility model also has other embodiment, and the improvement of any technology, principle and the technique done under without departing from spirit background of the present utility model, within all falling within protection domain of the present utility model.

Claims (4)

1. a Novel phosphoric acid triethyl process units, including: chemical reaction kettle (1), hydrogen chloride gas recycling can (2), distillating still (3), ethanol recycling can (4), washing kettle (5), filter (6), finished pot (7);It is characterized in that: chemical reaction kettle (1) is provided with the first material inlet (8), the first pipeline (9) it is provided with between chemical reaction kettle (1) and hydrogen chloride gas recycling can (2), the first shurry pump and pipeline (10) it is provided with between chemical reaction kettle (1) and distillating still (3), second pipe (11) it is provided with between distillating still (3) and ethanol recycling can (4), the second shurry pump and pipeline (12) it is provided with between distillating still (3) and washing kettle (5), washing kettle (5) is provided with the second material inlet (13), waste liquid outlet (14), the 3rd shurry pump and pipeline (15) it is provided with between washing kettle (5) and filter (6), filter (6) is provided with impurity and blends (16), the 4th shurry pump and pipeline (17) it is provided with between filter (6) and finished pot (7).
A kind of Novel phosphoric acid triethyl process units the most according to claim 1, is characterized in that: described the first pipeline, second pipe are epoxy resin pipeline.
A kind of Novel phosphoric acid triethyl process units the most according to claim 1, is characterized in that: described the first shurry pump, the second shurry pump, the 3rd shurry pump, the 4th shurry pump are stainless steel, and connected pipeline is epoxy resin pipeline.
A kind of Novel phosphoric acid triethyl process units the most according to claim 1, is characterized in that: described chemical reaction kettle, distillating still, washing kettle are 5 tonnes, ceramic liner.
CN201620266503.8U 2016-04-05 2016-04-05 Novel triethyl phosphate production device Expired - Fee Related CN205590594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620266503.8U CN205590594U (en) 2016-04-05 2016-04-05 Novel triethyl phosphate production device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620266503.8U CN205590594U (en) 2016-04-05 2016-04-05 Novel triethyl phosphate production device

Publications (1)

Publication Number Publication Date
CN205590594U true CN205590594U (en) 2016-09-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620266503.8U Expired - Fee Related CN205590594U (en) 2016-04-05 2016-04-05 Novel triethyl phosphate production device

Country Status (1)

Country Link
CN (1) CN205590594U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160921

Termination date: 20190405