CN207169074U - A kind of ethanol distillation device of nitrocotton - Google Patents
A kind of ethanol distillation device of nitrocotton Download PDFInfo
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- CN207169074U CN207169074U CN201721053459.3U CN201721053459U CN207169074U CN 207169074 U CN207169074 U CN 207169074U CN 201721053459 U CN201721053459 U CN 201721053459U CN 207169074 U CN207169074 U CN 207169074U
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- destilling tower
- ethanol
- return tank
- pans
- nitrocotton
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Abstract
It the utility model is related to alcohol distillation technical field, specifically disclose a kind of ethanol distillation device of nitrocotton, including raw material pans, destilling tower, return tank and finished product pans, raw material pans are connected with destilling tower, the tower top of destilling tower is provided with overhead condenser, the connection with return tank of overhead condenser, return tank are connected with destilling tower and finished product pans respectively.The utility model device is effectively distilled by destilling tower to ethanol, the potential safety hazard easily exploded when eliminating distillation, there is provided return tank, partial reflux after increase ethanol distillation, the liquid-phase reflux of tower top can ensure the progress of still-process continuous-stable, increase the efficiency and ethanol collection rate of ethanol distillation.
Description
Technical field
The utility model belongs to alcohol distillation technical field, and in particular to a kind of ethanol distillation device of nitrocotton.
Background technology
Ethanol is largely applied in industry-by-industry as a kind of basic industrial raw material.3000t/a coating nitre
Change cotton (containing alcohol=25%, nitrogenous=12.6%) for product in rear road ethanol expelling water process, caused 65% Diluted Alcohol is usual
Distilation is needed to recycle, at present, for the distillation technique of ethanol, its principle is that the boiling point of ethanol is less than the boiling of other solution
Point, heating ethanol make its evaporation, turn into liquid by condensation, the purpose of recovery higher degree ethanol is reached with this.
Nitrocotton is white or slightly yellow flocculence, can be dissolved in acetone.Scientific name cellulose nitrate, be once called as nitrocellulose,
Nitrocotton.NC is a polymer, and its molecular weight is very big.Its molecular formula is that C6H7O2 (ONO2) a (OH) 3-an, wherein a is
Esterification degree, n are the degree of polymerization.Degree of esterification traditionally is represented with nitrogen content percentage, nitrocotton has high flammability and blast
Property, for its degree of danger depending on degree of nitration, nitrocotton of the nitrogen content more than 12.5% is dangerous greatly, meets fire and fires
Burn.
Conventional alcohol distillation device is that steam rod is placed directly on to directly heat inside the alcohol containing nitrocotton and makes its evaporation,
Because nitrocotton belongs to combustible and explosive articles, so such distilling apparatus carries out easily causing the quick-fried of nitrocotton during alcohol distillation
It is fried, great potential safety hazard be present.
Utility model content
Technical problem to be solved in the utility model is in view of the shortcomings of the prior art, there is provided a kind of ethanol of nitrocotton
Distilling apparatus, the distillation of safe and environment-friendly progress nitrocotton, solve easily to cause what nitrocotton exploded during ethanol distillation
Hidden danger.
In order to solve the above technical problems, a kind of ethanol distillation device of nitrocotton of the utility model, including raw material pans,
Destilling tower, return tank and finished product pans, the outlet of the raw material pans are connected with destilling tower, and the tower top of the destilling tower is set
There is overhead condenser, the outlet of the overhead condenser is connected with the import of the return tank, the outlet difference of the return tank
It is connected with destilling tower and finished product pans.
Further, it is provided with cooler between return tank and the finished product pans.
Preferably, feedstock transportation pump is provided between the raw material pans and destilling tower.
Preferably, the bottom of the return tank is connected with reflux pump.
Further, the distillation tower bottom is connected with decontamination water treatment system.
The beneficial effects of the utility model are：The ethanol distillation device of the utility model nitrocotton, it is effective by destilling tower
Ground distills to ethanol, eliminates the potential safety hazard easily exploded when being distilled using steam wand, is also provided with back
Tank is flowed, increases partial reflux after ethanol distillation, the liquid-phase reflux of tower top can ensure the progress of still-process continuous-stable, increase
The efficiency and ethanol collection rate of ethanol distillation, collection rate is up to more than 98%.
Brief description of the drawings
, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only more of the present utility model
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the structural representation of the utility model distilling apparatus.
In figure：1- raw material pans, 2- destilling towers, 3- return tanks, 4- finished product pans, 5- overhead condensers, 6- coolings
Device, 7- feedstock transportation pumps, 8- reflux pumps, 9- decontamination water treatment systems.
Embodiment
The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described
Embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all belongs to
In the scope of the utility model protection.
In a specific embodiment of the present utility model, a kind of ethanol distillation device of nitrocotton, including raw material are disclosed
Pans 1, destilling tower 2, return tank 3 and finished product pans 4,
The outlet of the raw material pans 1 is connected with destilling tower 2, and original is provided between the raw material pans 1 and destilling tower 2
Material conveying pump 7, the feedstock transportation pump 7 are in normal temperature, atmospheric pressure state, and 65% ethanol solution in raw material pans 1 passes through
Feedstock transportation pump 7 is pumped into destilling tower 2；
The tower top of the destilling tower 2 is provided with overhead condenser 5, and the overhead condenser 5 is in normal temperature, atmospheric pressure state, institute
State the bottom of destilling tower 2 and be connected with decontamination water treatment system 9, the outlet of the overhead condenser 5 connects with the import of the return tank 3
Connect, the overhead condenser 5 can carry out cooling water circulation to destilling tower 2, be distilled with reference to the steam valve of bottom of towe, after distillation
Alcohol vapour from tower top after overhead condenser cools down to return tank；Raffinate then enters decontamination water treatment system 9 from destilling tower bottom；
The outlet of the return tank 3 is connected with destilling tower 2 and finished product pans 4 respectively, the bottom connection of the return tank 3
There is reflux pump 8, the reflux pump 8 is under normal temperature, atmospheric pressure state and worked, and is provided between the return tank 3 and finished product pans 4
Cooler 6, the cooler 6 are at normal temperature, atmospheric pressure state, reflux pump 8 one of the condensate liquid through tank bottom in return tank 3
Point be delivered to destilling tower backflow, it is a part of then to the rear enclosure of finished product pans 4 use after subcooler 6.
The ethanol distillation process of the utility model nitrocotton is：65% ethanol solution from ethanol expelling water workshop section enters former
After expecting pans 1, destilling tower 2 is entered by feedstock transportation pump 7, the tower top temperature of destilling tower 2 is 80 DEG C, and column bottom temperature is
105 DEG C, pressure is normal pressure, and the circulating cooling penstock opened in overhead condenser 5 carries out cooling water circulation, when in destilling tower 2
Material liquid level reach requirement after, open tower bottom steam valve distilled, alcohol vapour cools down from tower top through overhead condenser 5
Afterwards to return tank 3, raffinate then enters waste water decontamination water treatment system 9, and the temperature of return tank 3 is 30 DEG C, and pressure is normal pressure, is returned
Stream, 3 inner condensat liquids are delivered to destilling tower 2 through tank bottom reflux pump 30% and flow back, 70% after the cooling of subcooler 6 among finished product
The rear enclosure of tank 4 is used.
The beneficial effects of the utility model are：The ethanol distillation device of the utility model nitrocotton, it is effective by destilling tower
Ground distills to ethanol, eliminates the potential safety hazard easily exploded when being distilled using steam wand, is also provided with back
Tank is flowed, increases partial reflux after ethanol distillation, the liquid-phase reflux of tower top can ensure the progress of still-process continuous-stable, increase
The efficiency and ethanol collection rate of ethanol distillation, collection rate is up to more than 98%.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (5)
1. the ethanol distillation device of a kind of nitrocotton, it is characterised in that including raw material pans (1), destilling tower (2), return tank
(3) it is connected with finished product pans (4), the outlet of the raw material pans (1) with destilling tower (2), the tower top of the destilling tower (2)
Provided with overhead condenser (5), the outlet of the overhead condenser (5) is connected with the import of the return tank (3), the return tank
(3) outlet is connected with destilling tower (2) and finished product pans (4) respectively.
A kind of 2. ethanol distillation device of nitrocotton according to claim 1, it is characterised in that the return tank (3) with
Cooler (6) is provided between finished product pans (4).
A kind of 3. ethanol distillation device of nitrocotton according to claim 1, it is characterised in that the raw material pans
(1) feedstock transportation pump (7) is provided between destilling tower (2).
4. the ethanol distillation device of a kind of nitrocotton according to claim 2, it is characterised in that the return tank (3)
Bottom is connected with reflux pump (8).
A kind of 5. ethanol distillation device of nitrocotton according to claim 3, it is characterised in that destilling tower (2) bottom
Portion is connected with decontamination water treatment system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721053459.3U CN207169074U (en) | 2017-08-22 | 2017-08-22 | A kind of ethanol distillation device of nitrocotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721053459.3U CN207169074U (en) | 2017-08-22 | 2017-08-22 | A kind of ethanol distillation device of nitrocotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207169074U true CN207169074U (en) | 2018-04-03 |
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ID=61740422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721053459.3U Active CN207169074U (en) | 2017-08-22 | 2017-08-22 | A kind of ethanol distillation device of nitrocotton |
Country Status (1)
| Country | Link |
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| CN (1) | CN207169074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362563A (en) * | 2017-08-22 | 2017-11-21 | 南通泰利达化工有限公司 | The ethanol distillation technique and device of a kind of nitrocotton |
-
2017
- 2017-08-22 CN CN201721053459.3U patent/CN207169074U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362563A (en) * | 2017-08-22 | 2017-11-21 | 南通泰利达化工有限公司 | The ethanol distillation technique and device of a kind of nitrocotton |
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