CN203319898U - Mechanical device for producing adipic acid as byproduct - Google Patents
Mechanical device for producing adipic acid as byproduct Download PDFInfo
- Publication number
- CN203319898U CN203319898U CN2013202947134U CN201320294713U CN203319898U CN 203319898 U CN203319898 U CN 203319898U CN 2013202947134 U CN2013202947134 U CN 2013202947134U CN 201320294713 U CN201320294713 U CN 201320294713U CN 203319898 U CN203319898 U CN 203319898U
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- China
- Prior art keywords
- acid
- pipeline
- pimelinketone
- hexanodioic acid
- knockout tower
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Abstract
The utility model discloses a mechanical device for producing adipic acid as a byproduct, belonging to the field of chemical industry. The mechanical device is composed of a feed mixing tank, a tubular reactor, a stirred reactor, an alkane separating tower, an acid separating tower, a cyclohexanone separating tower, an adipic acid vacuum filter and a dryer, and is characterized in that a first slurry pump and a pipe are arranged between the feed mixing tank and the tubular reactor; a second slurry pump and a pipe are arranged between the tubular reactor and the stirred reactor; a third slurry pump and a pipe are arranged between the feed mixing tank and the stirred reactor; a four slurry pump and a pipe are arranged between the stirred reactor and the alkane separating tower; a fifth slurry pump and a pipe are arranged between the alkane separating tower and the acid separating tower; a sixth slurry pump and a pipe are arranged between the acid separating tower and the cyclohexanone separating tower; a seventh slurry pump and a pipe are arranged between the cyclohexanone separating tower and the adipic acid vacuum filter; a first conveyor is arranged between the adipic acid vacuum filter and the dryer; and the dryer is provided with an adipic acid finished product outlet.
Description
Technical field
The utility model belongs to chemical field, relates in particular to a kind of mechanism of hexanaphthene as raw material production pimelinketone byproduct in process hexanodioic acid of take.
Background technology
Hexanodioic acid, molecular formula is C6H10O4, molecular weight is 146.14, fusing point is 153 ℃, outward appearance is the white crystals body, the smell that has bone to burn, the solubility with temperature of hexanodioic acid in water changes greatly, and when solution temperature rises to 78 ℃ by 28 ℃, its solubleness can increase 20 times, be soluble in alcohol, ether, dissolve in acetone, be slightly soluble in hexanaphthene and benzene, hexanodioic acid is that the diprotic acid of using value is arranged in aliphatic dibasic acid most, salt-forming reaction, esterification, amidate action etc. can occur, and can become high molecular polymer etc. with diamine or dibasic alcohol polycondensation.Main raw material, raw material, chemical reagent, plastics and the organic synthesis of polyurethane elastomer, soldering flux, softening agent, quality lubricant as synthetic high polymer; In addition, hexanodioic acid, as the souring agent of various food and drink, is still the raw material of medicine, yeast purification, sterilant, tackiness agent, synthetic leather, synthetic dyestuff and spices; Hexanodioic acid tart flavour is soft and lasting, and in larger concentration range, the Ph value changes littlely, is Ph value conditioning agent preferably.The preparation technology of hexanodioic acid is more, but the utility model is a kind of mechanism of hexanaphthene as raw material production pimelinketone byproduct in process hexanodioic acid of take, production method and traditional hexanodioic acid production method are not identical, the utility model is with the charging mixing tank, tubular reactor, stirred reactor, the alkane knockout tower, acid separation column, the pimelinketone knockout tower, hexanodioic acid vacuum filtration machine, dryer is equipment, with hexanaphthene, catalyzer, acetic acid, pimelinketone, oxygen, nitrogen is starting material, pass through hexanaphthene, catalyzer, the blending of acetic acid, the oxidation of hexanaphthene, alkane separates, acid separates, pimelinketone separates, hexanodioic acid separates, the series of processes such as oven dry are produced hexanodioic acid, this device has the use general-purpose equipment, technique is simple, the reaction conditions gentleness, the series of advantages such as product purity height, the product hexanodioic acid is of many uses.
Summary of the invention
The problem that the utility model mainly solves is to provide a kind of mechanism of hexanaphthene as raw material production pimelinketone byproduct in process hexanodioic acid of take, this device be take charging mixing tank, tubular reactor, stirred reactor, alkane knockout tower, acid separation column, pimelinketone knockout tower, hexanodioic acid vacuum filtration machine, dryer and is produced hexanodioic acid as equipment, and the advantage of this mechanism is: use general-purpose equipment, technique is simple, reaction conditions is gentle, product purity is high.
The technical solution adopted in the utility model is:
A kind of mechanism of by-product hexanodioic acid comprises: charging mixing tank 1, tubular reactor 2, stirred reactor 3, alkane knockout tower 4, acid separation column 5, pimelinketone knockout tower 6, hexanodioic acid vacuum filtration machine 7, dryer 8, it is characterized in that: charging mixing tank 1 is provided with hexanaphthene import 9, catalyst inlet 10, acetic acid import 11, pimelinketone import 12, 2 of charging mixing tank 1 and tubular reactors are provided with the first shurry pump and pipeline 13, 3 of tubular reactor 2 and stirred reactors are provided with the second shurry pump and pipeline 14, 3 of charging mixing tank 1 and stirred reactors are provided with the 3rd shurry pump and pipeline 15, stirred reactor 3 is provided with oxygen inlet 16, nitrogen inlet 17, pneumatic outlet 18, 4 of stirred reactor 3 and alkane knockout towers are provided with the 4th shurry pump and pipeline 19, alkane knockout tower 4 is provided with pneumatic outlet 20, 5 of alkane knockout tower 4 and acid separation columns are provided with the 5th shurry pump and pipeline 21, acid separates 5 towers and is provided with formic acid outlet 22, 6 of acid separation column 5 and pimelinketone knockout towers are provided with the 6th shurry pump and pipeline 23, pimelinketone knockout tower 6 is provided with pimelinketone outlet 24, pimelinketone knockout tower 6 and 7, hexanodioic acid vacuum filtration machine are provided with the 7th shurry pump and pipeline 25, hexanodioic acid vacuum filtration machine 7 is provided with other material outlet 26, 8 of hexanodioic acid vacuum filtration machine 7 and dryers are provided with the first transfer roller 27, dryer 8 is provided with hexanodioic acid product outlet 28.
Further technical scheme of the present utility model is:
Described whole shurry pump is steel lining polytetrafluoro shurry pump, all pipeline is the polytetrafluoro pipeline.
Described the first transfer roller is rotary conveyor.
The beneficial effects of the utility model are: a kind of mechanism of by-product hexanodioic acid is provided, and this device is used general-purpose equipment, rational in infrastructure, production technique is simple, reaction conditions is gentle, product purity is high, and the product hexanodioic acid is important industrial chemicals.
The accompanying drawing explanation:
As Fig. 1 is structure iron of the present utility model.
Embodiment
Embodiment:
Further illustrate the particular content that uses this mechanism by-product hexanodioic acid most preferred embodiment below in conjunction with accompanying drawing:
1, by being arranged at the hexanaphthene import 9 on charging mixing tank 1, catalyst inlet 10, acetic acid import 11, pimelinketone import 12 is by the hexanaphthene of formula ratio, catalyzer, acetic acid, pimelinketone adds charging mixing tank 1, under normal temperature, be uniformly mixed, then by hexanaphthene, catalyzer, acetic acid, the pimelinketone mixed solution is divided into two portions, part mixed solution enters tubular reactor by the first shurry pump and the pipeline 13 that is arranged at 2 of charging mixing tank 1 and tubular reactors, be warming up to 96 ℃, then send into stirred reactor 3 by the second shurry pump and the pipeline 14 that are arranged at 3 of tubular reactor 2 and stirred reactors, another part mixed solution is sent into to stirred reactor 3 by the 3rd shurry pump and the pipeline 15 that are arranged at 3 of charging mixing tank 1 and stirred reactors simultaneously, stir, and adjust mixeding liquid temperature by the quantity of adjusting two portions mixed solution, controlling temperature is 85 ℃, send into the oxygen of formula ratio by being arranged at oxygen inlet 16 on stirred reactor 3, oxidizing reaction occurs, send into the nitrogen of formula ratio is protected reaction by being arranged at nitrogen inlet 17 on stirred reactor 3, principal reaction in stirred reactor 3 is as follows: hexanaphthene+oxygen → pimelinketone, pimelinketone+oxygen → hexanodioic acid, pimelinketone+oxygen → caprolactone, the gases such as the interior low-boiling point material of stirred reactor are discharged and are reclaimed by the outlet 18 on stirred reactor 3.
2, by the 4th shurry pump and the pipeline 19 that are arranged at 4 of stirred reactor 3 and alkane knockout towers, the liquid in stirred reactor 3 is sent into to alkane knockout tower 4, heating is discharged recovery by a small amount of water vapor of unreacted hexanaphthene and separating reaction generation by the pneumatic outlet 20 be arranged on alkane knockout tower 4, remaining is formic acid, cyclohexanone, hexanodioic acid, caprolactone, the mixture of nitration mixture, by the 5th shurry pump and the pipeline 21 that are arranged at 5 of alkane knockout tower 4 and acid separation columns, it is sent into to acid separation column 5, formic acid is separated, formic acid is discharged recovery by the outlet 22 be arranged on acid separation column 5, remaining cyclohexanone, hexanodioic acid, caprolactone, the mixture of nitration mixture is sent into pimelinketone knockout tower 6 by the 6th shurry pump and the pipeline 23 that are arranged at 6 of acid separation column 5 and pimelinketone knockout towers, pimelinketone is separated, isolated pimelinketone is by being arranged at outlet 24 dischargings on pimelinketone knockout tower 6, remaining hexanodioic acid, caprolactone, the mixture of nitration mixture is sent into hexanodioic acid vacuum filtration machine 7 by the 7th shurry pump and the pipeline 25 that are arranged at 7, pimelinketone knockout tower 6 and hexanodioic acid vacuum filtration machine, by crystallization of adipic acid, liquid portion is caprolactone, nitration mixture, discharge and reclaim by the outlet 26 on hexanodioic acid vacuum filtration machine 7, crystallization of adipic acid is provided with the first transfer roller 27 and sends into dryer 8 and dry by being arranged at 8 of hexanodioic acid vacuum filtration machine 7 and dryers, reclaim and get final product by hexanodioic acid product outlet 28 dischargings on dryer 8 after drying.
Claims (3)
1. the mechanism of a by-product hexanodioic acid, comprising: charging mixing tank (1), tubular reactor (2), stirred reactor (3), alkane knockout tower (4), acid separation column (5), pimelinketone knockout tower (6), hexanodioic acid vacuum filtration machine (7), dryer (8), it is characterized in that: charging mixing tank (1) is provided with hexanaphthene import (9), catalyst inlet (10), acetic acid import (11), pimelinketone import (12), be provided with the first shurry pump and pipeline (13) between charging mixing tank (1) and tubular reactor (2), be provided with the second shurry pump and pipeline (14) between tubular reactor (2) and stirred reactor (3), be provided with the 3rd shurry pump and pipeline (15) between charging mixing tank (1) and stirred reactor (3), stirred reactor (3) is provided with oxygen inlet (16), nitrogen inlet (17), pneumatic outlet (18), be provided with the 4th shurry pump and pipeline (19) between stirred reactor (3) and alkane knockout tower (4), alkane knockout tower (4) is provided with pneumatic outlet (20), be provided with the 5th shurry pump and pipeline (21) between alkane knockout tower (4) and acid separation column (5), acid separates (5) tower and is provided with formic acid outlet (22), be provided with the 6th shurry pump and pipeline (23) between acid separation column (5) and pimelinketone knockout tower (6), pimelinketone knockout tower (6) is provided with pimelinketone outlet (24), be provided with the 7th shurry pump and pipeline (25) between pimelinketone knockout tower (6) and hexanodioic acid vacuum filtration machine (7), hexanodioic acid vacuum filtration machine (7) is provided with other material outlet (26), be provided with the first transfer roller (27) between hexanodioic acid vacuum filtration machine (7) and dryer (8), dryer (8) is provided with hexanodioic acid product outlet (28).
2. the mechanism of a kind of by-product hexanodioic acid according to claim 1, it is characterized in that: described whole shurry pumps are steel lining polytetrafluoro shurry pump, all pipelines are the polytetrafluoro pipeline.
3. the mechanism of a kind of by-product hexanodioic acid according to claim 1, it is characterized in that: described the first transfer roller is rotary conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202947134U CN203319898U (en) | 2013-05-28 | 2013-05-28 | Mechanical device for producing adipic acid as byproduct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202947134U CN203319898U (en) | 2013-05-28 | 2013-05-28 | Mechanical device for producing adipic acid as byproduct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203319898U true CN203319898U (en) | 2013-12-04 |
Family
ID=49659267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202947134U Expired - Fee Related CN203319898U (en) | 2013-05-28 | 2013-05-28 | Mechanical device for producing adipic acid as byproduct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203319898U (en) |
-
2013
- 2013-05-28 CN CN2013202947134U patent/CN203319898U/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: 20131204 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |