CN209584044U - The reaction unit of 2,4- dinitroanisol - Google Patents
The reaction unit of 2,4- dinitroanisol Download PDFInfo
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- CN209584044U CN209584044U CN201822238331.5U CN201822238331U CN209584044U CN 209584044 U CN209584044 U CN 209584044U CN 201822238331 U CN201822238331 U CN 201822238331U CN 209584044 U CN209584044 U CN 209584044U
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- sodium methoxide
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Abstract
The utility model discloses one kind 2, the reaction unit of 4- dinitroanisol, including sodium methoxide dissolution kettle, methanol measuring tank, etherification kettle, sodium methoxide solution measuring tank, 2,4-dinitrochlorobenzene measuring tank, washing water measuring tank, condenser, methanol groove, suction strainer slot, mother liquor tank, type washing trough；Methanol measuring tank is connected to sodium methoxide dissolution kettle；Methanol measuring tank is connected to etherification kettle simultaneously；Washing water measuring tank, 1-CHLORO-2,4-DINITROBENZENE measuring tank, sodium methoxide solution measuring tank, condenser are connected to etherification kettle；The utility model can solve defect existing for current technique and equipment, be easy device production, the recycling of high income, good product quality, reaction dissolvent, energy consumption is lower, the three wastes are few.
Description
Technical field
The utility model relates to the reaction units of one kind 2,4- dinitroanisol, are particularly suitable for solvent method production 2,
The reaction unit of 4- dinitroanisol.
Background technique
2,4- dinitroanisols are a kind of important fine chemicals or organic intermediate, are not only effective desinsection
Agent, and be the raw material of synthetic dyestuffs, medicine and pesticide, it is especially used for synthetic dyestuffs intermediate, such as producing erie Congo base
RC produces dark blue reduzate, which is the maximum intermediate of dosage in disperse dyes synthesis, and prospect for sales is fine.
General industry metaplasia produces and all uses following methods: 2,4-dinitrochlorobenzene and methanol reaction, sodium hydrate aqueous solution
For acid binding agent, but by-product 2,4-DNP can be generated in reaction process, to influence the yield of target product, and after giving
Processing makes troubles.Also have patent using following methods: 1-CHLORO-2,4-DINITROBENZENE and sodium methoxide carry out methoxylation in methyl alcohol
Reaction generates 2,4- dinitroanisol, and then filtering, washing, vacuum drying obtain 2,4- dinitroanisol, then methanol
Aqueous solution, that is, mother liquor and water lotion merge rectifying and recycle methanol, although this reaction yield is high, purity is high, there are Methanol Recoveries
The disadvantages of energy consumption is high, at high cost, methanol loss is larger, and brine waste is difficult.
Utility model content
The utility model provides the reaction unit of one kind 2,4- dinitroanisol, solves existing for current technique and equipment
Defect is easy device production, the recycling of high income, good product quality, reaction dissolvent, energy consumption is lower, the three wastes are few.
The reaction unit of 2,4- dinitroanisols, including sodium methoxide dissolution kettle, methanol measuring tank, etherification kettle, sodium methoxide
Solution measures slot, washing water measuring tank, condenser, methanol groove, suction strainer slot, mother liquor tank, is washed 1-CHLORO-2,4-DINITROBENZENE measuring tank
Wash sink；Methanol measuring tank is connected to sodium methoxide dissolution kettle；Methanol measuring tank is connected to etherification kettle simultaneously；Washing water measuring tank,
1-CHLORO-2,4-DINITROBENZENE measuring tank, sodium methoxide solution measuring tank, condenser are connected to etherification kettle；Sodium methoxide dissolution kettle and methanol
The connection of sodium solution measuring tank；Methanol groove one end is connected to condenser, and the other end is connected to methanol measuring tank；Suction strainer slot and etherificate
The connection of bottom portion, which is connected to mother liquor tank, which is connected to type washing trough simultaneously, above-mentioned type washing trough also with wash
Wash the connection of water measuring tank.
The methanol measuring tank is also communicated with methanol tank.
The mother liquor tank is also communicated with blow-down pipe and vacuum evacuation device.
The type washing trough is also communicated with blow-down pipe and vacuum evacuation device.
The beneficial effects of the utility model are:
1, whole to react anhydrous, Methanol Recovery rate, recycling energy consumption is small.
2, washing water is recycled, no waste water.
3, mother liquid coming recycling sodium chloride cost recovery is low, and waste water is few.
To sum up, the production of this device is easy, high income, good product quality, reaction dissolvent are recycled, energy consumption is lower, the three wastes
It is few.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the simplified schematic diagram for belonging to the suction strainer slot of the prior art；
1. sodium methoxide dissolution kettles, 2. methanol measuring tanks, 3. etherification kettles, 4. sodium methoxide solution measuring tanks, 5.2,4- bis- in figure
Nitro-chlorobenzene measuring tank, 6. washing water measuring tanks, 7. condensers, 8. methanol grooves, 9. suction strainer slots, 10. mother liquor tanks, 11. washings
Sink, 12. methanol tanks, 13. blow-down pipes, 14. vacuum evacuation devices.
Specific embodiment
Fig. 1 and Fig. 2 is please referred to, the reaction unit of 2, the 4- dinitroanisol in figure, including sodium methoxide dissolution kettle 1, first
Alcohol measuring tank 2, etherification kettle 3, sodium methoxide solution measuring tank 4,1-CHLORO-2,4-DINITROBENZENE measuring tank 5, washing water measuring tank 6, condensation
Device 7, methanol groove 8, suction strainer slot 9, mother liquor tank 10, type washing trough 11, methanol tank 12, blow-down pipe 13, vacuum evacuation device 14；On
Stating component is existing component, and connection relationship can refer to Fig. 1, and the connection relationship that Fig. 1 is shown is the technical staff of chemical industry
It can be appreciated that according to common sense.Wherein sodium methoxide dissolution kettle 1 is used for the combination of sodium methoxide and methanol；Methanol measuring tank 2 is for quantitative
Export methanol；Reaction mixing of the etherification kettle 3 for various substances in kettle；Sodium methoxide solution measuring tank 4,1-CHLORO-2,4-DINITROBENZENE meter
Measuring tank 5, washing water measuring tank 6 are used for the quantitative export of tie substance；Condenser 7 is used for the steam first evaporated from etherification kettle 3
Alcohol carries out condensing recovery to methanol groove 8；Suction strainer slot 9 is convenient for for carrying out suction strainer processing as needed to the substance in etherification kettle
It imports in mother liquor tank 10 or type washing trough 11；Suction strainer slot 9 is also referred to as PP vacuum filter, suction filtration tank, filter vat, is primarily adapted for use in
The purposes such as the filtering of material, separation of solid and liquid in the industry productions such as chemical industry, medicine, food, grease, printing and dyeing, environmental protection, are divided into oval envelope
Head dummy and two kinds of platybasic type, this case use platybasic type.Mother liquor tank 10, type washing trough 11 are passed through for corresponding storage from etherification kettle 3
Derived substance after suction strainer；Blow-down pipe 13, vacuum evacuation device 14 belong to the conventional effect of existing component.
The application method of this programme is: existing quantitative methanol is added into sodium methoxide dissolution kettle 1 from methanol measuring tank 2, opens
Stirring is opened, the existing quantitative sodium methoxide of operative employee's investment forms methanol solution of sodium methylate, methanol solution of sodium methylate is used after completely dissolution
Pump is got in sodium methoxide solution measuring tank 4.Existing quantitative methanol is added from methanol measuring tank 2 in etherification kettle 3, opens stirring,
Existing quantitative 2,4-dinitrochlorobenzene is added from 2,4-dinitrochlorobenzene measuring tank 5,3 rising temperature for dissolving of etherification kettle is limpid, opens drop
Add the methanol solution of sodium methylate in sodium methoxide solution measuring tank 4, is added dropwise, the reaction of 3 temperature rising reflux of etherification kettle.Reaction terminates
Afterwards, it is distilled to recover methanol, through the condensation of condenser 7 to methanol groove 8.After Methanol Recovery, it is added from washing water measuring tank 6
Upper batch of washing water is to etherification kettle 3, and then 3 decrease temperature crystalline of etherification kettle is discharged to suction strainer slot 9, mother liquor is drawn onto mother liquor tank 10 through vacuum
In, distillation crystallisation by cooling recycling sodium chloride is then removed, recycling sodium chloride is post-order process, is not described excessively herein.Washing water warp
Vacuum is drawn onto type washing trough 11, and it is spare then to get to washing water measuring tank 6.It is above-mentioned it is existing it is quantitative be meant that belong to it is existing
The proportion that mature technology uses.
Reaction equation:
Claims (4)
- The reaction unit of 1.2,4- dinitroanisols, it is characterised in that: including sodium methoxide dissolution kettle, methanol measuring tank, etherificate Kettle, sodium methoxide solution measuring tank, 1-CHLORO-2,4-DINITROBENZENE measuring tank, washing water measuring tank, condenser, methanol groove, suction strainer slot, Mother liquor tank, type washing trough；Methanol measuring tank is connected to sodium methoxide dissolution kettle；Methanol measuring tank is connected to etherification kettle simultaneously；Washing Water measuring tank, 1-CHLORO-2,4-DINITROBENZENE measuring tank, sodium methoxide solution measuring tank, condenser are connected to etherification kettle；Sodium methoxide is molten Solution kettle is connected to sodium methoxide solution measuring tank；Methanol groove one end is connected to condenser, and the other end is connected to methanol measuring tank；It inhales Filter pocket is connected to etherification kettle bottom, which is connected to mother liquor tank, which is connected to type washing trough simultaneously, above-mentioned washing Sink is also connected to washing water measuring tank.
- 2. the reaction unit according to 2,4- dinitroanisol described in claim 1, it is characterised in that: the methanol metering Slot is also communicated with methanol tank.
- 3. the reaction unit according to 2,4- dinitroanisol described in claim 1, it is characterised in that: the mother liquor tank is also It is communicated with blow-down pipe and vacuum evacuation device.
- 4. the reaction unit according to 2,4- dinitroanisol described in claim 1, it is characterised in that: the type washing trough Also it is communicated with blow-down pipe and vacuum evacuation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238331.5U CN209584044U (en) | 2018-12-29 | 2018-12-29 | The reaction unit of 2,4- dinitroanisol |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238331.5U CN209584044U (en) | 2018-12-29 | 2018-12-29 | The reaction unit of 2,4- dinitroanisol |
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| CN209584044U true CN209584044U (en) | 2019-11-05 |
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| CN201822238331.5U Active CN209584044U (en) | 2018-12-29 | 2018-12-29 | The reaction unit of 2,4- dinitroanisol |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047903A (en) * | 2020-08-12 | 2020-12-08 | 浙江天成工程设计有限公司 | Device for synthesizing 2-phenylbenzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) and application of device |
-
2018
- 2018-12-29 CN CN201822238331.5U patent/CN209584044U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047903A (en) * | 2020-08-12 | 2020-12-08 | 浙江天成工程设计有限公司 | Device for synthesizing 2-phenylbenzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) and application of device |
| CN112047903B (en) * | 2020-08-12 | 2022-09-13 | 浙江天成工程设计有限公司 | Device for synthesizing 2-benzyl-2-dimethylamino-1- (4-morpholinylphenyl) butanone and application of device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210112 Address after: 311255 Building 1, Xiawan 2-2, Jianhu village, Puyang Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Daheng New Material Co.,Ltd. Address before: Pu Yang Zhen Tao Hu Cun, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU SHENHANG NEW MATERIALS Co.,Ltd. |
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| TR01 | Transfer of patent right |