CN203319900U - Mechanical device for producing cyclohexanone - Google Patents
Mechanical device for producing cyclohexanone Download PDFInfo
- Publication number
- CN203319900U CN203319900U CN2013202947172U CN201320294717U CN203319900U CN 203319900 U CN203319900 U CN 203319900U CN 2013202947172 U CN2013202947172 U CN 2013202947172U CN 201320294717 U CN201320294717 U CN 201320294717U CN 203319900 U CN203319900 U CN 203319900U
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- pipeline
- pimelinketone
- knockout tower
- mixing tank
- shurry pump
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Abstract
The utility model discloses a mechanical device for producing cyclohexanone, belonging to the field of chemical engineering. The device comprises a feed mixing tank, a tubular reactor, a stirring reactor, an alkane separation tower, an acid separation tower and a cyclohexanone separation tower, and is characterized in that a first slurry pump and a pipeline are arranged between the feed mixing tank and the tubular reactor; a second slurry pump and a pipeline are arranged between the tubular reactor and the stirring reactor; a third slurry pump and a pipeline are arranged between the feed mixing tank and the stirring reactor; a fourth slurry pump and a pipeline are arranged between the stirring reactor and the alkane separation tower; a fifth slurry pump and a pipeline are arranged between the alkane separation tower and the acid separation tower; a sixth slurry pump and a pipeline are arranged between the acid separation tower and the cyclohexanone separation tower; the cyclohexanone separation tower is provided with a cyclohexanone outlet; all the slurry pumps are steel lining polytetrafluoroethylene slurry pumps, and all the pipelines are polytetrafluoroethylene pipelines.
Description
Technical field
The utility model belongs to chemical field, relates in particular to a kind of mechanism of hexanaphthene as the raw material production pimelinketone of take.
Background technology
Pimelinketone, molecular formula is C
6H
10O, molecular weight is 98.16, and the strong impulse stink is arranged, and fusing point is-45 ℃, and boiling point is 155.6 ℃.Pimelinketone is organic compound, and for carbonylic carbon atom is included in the saturated cyclic ketones in six-ring, outward appearance is colourless liquid, and impurity is light yellow, along with the shelf-time generates impurity and develops the color, is water white to lark, has strong pungent odor.Pimelinketone is important industrial chemicals, is the main intermediate of manufacturing nylon, hexanolactam and hexanodioic acid; Be important industrial solvent, as for paint, especially for those, contain nitrocotton, vinyl chloride-base polymer and multipolymer thereof or methacrylate polymers paint etc.; Solvent for viscous solvent, fat, wax and the rubber of the solvent of organic phosphorous insecticide solvent, dyestuff, piston-type aircraft oil, high boiling solvent as makeup, usually and low boiling point solvent and medium-boiling solvent be mixed with mixed solvent, to obtain suitable evaporation rate and viscosity; As dyeing and the levelling agent of delustering silk, the grease-removing agent of polishing metal, stain for wood, paint, also available pimelinketone demoulding, decontamination, bate pits.Producing the pimelinketone method has at present: 1. phynol method is to obtain hexalin by phenol hydrogenation, and then dehydrogenation obtains pimelinketone; 2. cyclohexane oxidation process, take hexanaphthene as raw material, with dioxygen oxidation, makes pimelinketone; 3. benzene hydrogenation oxidation style, the generation hexanaphthene in the presence of nickel catalyzator with benzene and hydrogen, hexanaphthene reoxidizes reaction and generates pimelinketone.And this mechanical device is a kind of cyclohexane oxidation process production equipment after technical renovation, production technique and traditional cyclohexane oxidation process 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 is equipment, with hexanaphthene, catalyzer, acetic acid, pimelinketone, oxygen, nitrogen is starting material, pass through hexanaphthene, catalyzer, acetic acid, the blending of pimelinketone, the oxidation of hexanaphthene, alkane separates, acid separates, the series of process such as pimelinketone separation are produced pimelinketone, 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 pimelinketone 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 batch production pimelinketone of take, this device be take charging mixing tank, tubular reactor, stirred reactor, alkane knockout tower, acid separation column, pimelinketone knockout tower and is produced pimelinketone 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 producing pimelinketone comprises: charging mixing tank, tubular reactor, stirred reactor, alkane knockout tower, acid separation column, pimelinketone knockout tower, it is characterized in that: the charging mixing tank is provided with the hexanaphthene import, catalyst inlet, the acetic acid import, the pimelinketone import, be provided with the first shurry pump and pipeline between charging mixing tank and tubular reactor, be provided with the second shurry pump and pipeline between tubular reactor and stirred reactor, be provided with the 3rd shurry pump and pipeline between charging mixing tank and stirred reactor, stirred reactor is provided with oxygen inlet, nitrogen inlet, pneumatic outlet, be provided with the 4th shurry pump and pipeline between stirred reactor and alkane knockout tower, the alkane knockout tower is provided with pneumatic outlet, be provided with the 5th shurry pump and pipeline between alkane knockout tower and acid separation column, acid separation column is provided with the formic acid outlet, be provided with the 6th shurry pump and pipeline between acid separation column and pimelinketone knockout tower, the pimelinketone knockout tower is provided with pimelinketone outlet and other material outlets.
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.
The beneficial effects of the utility model are: a kind of mechanism of producing pimelinketone 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 pimelinketone 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 to produce the pimelinketone most preferred embodiment below in conjunction with accompanying drawing:
1, a kind of mechanism of producing pimelinketone comprises: charging mixing tank 1, tubular reactor 2, stirred reactor 3, alkane knockout tower 4, acid separation column 5, pimelinketone knockout tower 6, it is characterized in that: charging mixing tank 1 is provided with hexanaphthene import 7, catalyst inlet 8, acetic acid import 9, pimelinketone import 10, 2 of charging mixing tank 1 and tubular reactors are provided with the first shurry pump and pipeline 11, 3 of tubular reactor 2 and stirred reactors are provided with the second shurry pump and pipeline 12, 3 of charging mixing tank 1 and stirred reactors are provided with the 3rd shurry pump and pipeline 13, stirred reactor 3 is provided with oxygen inlet 14, nitrogen inlet 15, pneumatic outlet 16, 4 of stirred reactor 3 and alkane knockout towers are provided with the 4th shurry pump and pipeline 17, alkane knockout tower 4 is provided with pneumatic outlet 18, 5 of alkane knockout tower 4 and acid separation columns are provided with the 5th shurry pump and pipeline 19, acid separation column 5 is provided with formic acid outlet 20, 6 of acid separation column 5 and pimelinketone knockout towers are provided with the 6th shurry pump and pipeline 21, pimelinketone knockout tower 6 is provided with pimelinketone outlet 22 and other material outlets 23, described whole shurry pump is steel lining polytetrafluoro shurry pump, all pipeline is the polytetrafluoro pipeline.
2, by being arranged at the hexanaphthene import 7 on charging mixing tank 1, catalyst inlet 8, acetic acid import 9, pimelinketone import 10 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 11 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 12 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 13 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 14 on stirred reactor 3, oxidizing reaction occurs, send into the nitrogen of formula ratio is protected reaction by being arranged at nitrogen inlet 15 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 outlet 16.
3, by the 4th shurry pump and the pipeline 17 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 18 be arranged on alkane knockout tower 4, residuum is formic acid, cyclohexanone, hexanodioic acid, caprolactone, the mixture of nitration mixture, it is sent into to acid separation column 5 by the 5th shurry pump and the pipeline 19 that are arranged at 5 of alkane knockout tower 4 and acid separation columns, formic acid is therefrom separated, formic acid is discharged recovery by the outlet 20 be arranged on acid separation column 5, remainder is cyclohexanone, hexanodioic acid, caprolactone, nitration mixture is sent into pimelinketone knockout tower 6 by the 6th shurry pump and the pipeline 21 that are arranged at 6 of acid separation column 5 and pimelinketone knockout towers, isolated pimelinketone obtains finished product by outlet 22 dischargings that are arranged on pimelinketone knockout tower 6, remaining hexanodioic acid, caprolactone, nitration mixture reclaims by other material outlet 23 dischargings.
Claims (2)
1. a mechanism of producing pimelinketone, comprising: charging mixing tank (1), tubular reactor (2), stirred reactor (3), alkane knockout tower (4), acid separation column (5), pimelinketone knockout tower (6), it is characterized in that: charging mixing tank (1) is provided with hexanaphthene import (7), catalyst inlet (8), acetic acid import (9), pimelinketone import (10), be provided with the first shurry pump and pipeline (11) between charging mixing tank (1) and tubular reactor (2), be provided with the second shurry pump and pipeline (12) between tubular reactor (2) and stirred reactor (3), be provided with the 3rd shurry pump and pipeline (13) between charging mixing tank (1) and stirred reactor (3), stirred reactor (3) is provided with oxygen inlet (14), nitrogen inlet (15), pneumatic outlet (16), be provided with the 4th shurry pump and pipeline (17) between stirred reactor (3) and alkane knockout tower (4), alkane knockout tower (4) is provided with pneumatic outlet (18), be provided with the 5th shurry pump and pipeline (19) between alkane knockout tower (4) and acid separation column (5), acid separation column (5) is provided with formic acid outlet (20), be provided with the 6th shurry pump and pipeline (21) between acid separation column (5) and pimelinketone knockout tower (6), pimelinketone knockout tower (6) is provided with pimelinketone outlet (22) and other material outlets (23).
2. a kind of mechanism of producing pimelinketone 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202947172U CN203319900U (en) | 2013-05-28 | 2013-05-28 | Mechanical device for producing cyclohexanone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202947172U CN203319900U (en) | 2013-05-28 | 2013-05-28 | Mechanical device for producing cyclohexanone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203319900U true CN203319900U (en) | 2013-12-04 |
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ID=49659269
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202947172U Expired - Fee Related CN203319900U (en) | 2013-05-28 | 2013-05-28 | Mechanical device for producing cyclohexanone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203319900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108003130A (en) * | 2017-12-22 | 2018-05-08 | 黎明化工研究设计院有限责任公司 | The integrated apparatus and its application method of a kind of 6-caprolactone synthesis and concentration |
-
2013
- 2013-05-28 CN CN2013202947172U patent/CN203319900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108003130A (en) * | 2017-12-22 | 2018-05-08 | 黎明化工研究设计院有限责任公司 | The integrated apparatus and its application method of a kind of 6-caprolactone synthesis and concentration |
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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 |