CN202516331U - Device for purifying ethylene polyol lean solution - Google Patents
Device for purifying ethylene polyol lean solution Download PDFInfo
- Publication number
- CN202516331U CN202516331U CN2012201767093U CN201220176709U CN202516331U CN 202516331 U CN202516331 U CN 202516331U CN 2012201767093 U CN2012201767093 U CN 2012201767093U CN 201220176709 U CN201220176709 U CN 201220176709U CN 202516331 U CN202516331 U CN 202516331U
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- CN
- China
- Prior art keywords
- distillation still
- destilling tower
- vacuum
- lean solution
- distillation
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- 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
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Abstract
The utility model provides a device for purifying ethylene polyol lean solution, which comprises a vacuum feeding device, a vacuum deslagging device, a distillation tower, a distillation kettle, a vacuum pump, a condenser, a vacuum storage tank, a discharge pump and a product storage tank, wherein the distillation kettle is arranged under the distillation tower; an air outlet of the distillation kettle is arranged on the top of the distillation kettle; and the air outlet of the distillation kettle is directly connected with an air inlet of the distillation tower arranged at the bottom of the distillation tower. The device for purifying the ethylene polyol lean solution is reasonable in process arrangement, simple in structure and low in manufacturing cost of equipment; the purified water solution product containing ethylene glycol, diethylene glycol and other alcohols is bright in color and free from extraneous odor, can be used as a high-quality raw material for producing and preparing cooling liquid and can be used for replacing ethylene glycol for producing engine coolant; therefore, the device can utilize the waste and change the waste into valuable, thus saving resources and creating good economic benefit and social benefit for an enterprise.
Description
Technical field
The utility model relates to a kind of purifying plant, especially relates to the how pure lean solution purifying plant of a kind of ethene.
Background technology
Alcohols is a raw material commonly used in the commercial production, in commercial production, usually can produce the how pure lean solution of a large amount of ethene, promptly distills raffinate remaining in the ethylene glycol production process; It contains ethylene glycol, diethylene glycol and other alcohols material; Its alcohols content is lower, impurity is more, and through purifying plant, can reclaim ethylene glycol, diethylene glycol and other alcohol solutions in the useless alcoholic solution of this type again; Be used for as the raw material of producing the modulation cooling fluid, not only environmental protection but also energy savings.The process procedure that is used for the purifying plant of the how pure lean solution of ethene at present is provided with unsatisfactory; Like its distillation link a destilling tower or a distillation still only are set usually; Distillation efficiency is low, and refining effect is poor, and the product that obtains often color and luster is dark and peculiar smell arranged; Influence economic benefit, need further perfect.
Summary of the invention
The problem that the utility model will solve provides a kind of how pure lean solution purifying plant of ethene that is used for, and is through limpid, the free from extraneous odour of product color that this cover purifying plant obtains, good in economic efficiency.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: the how pure lean solution purifying plant of a kind of ethene comprises vacuum feeder, vacuum slag-draining device, distillation still, destilling tower, vavuum pump, condenser, vacuum storage tanks, discharging pump and product storage tank; Said distillation still is located at the below of destilling tower, and the discharging opening of vacuum feeder links to each other with the distillation still charging aperture of being located at the distillation still upper end; The top of distillation still is located in the distillation still gas outlet, and the distillation still gas outlet directly links to each other with the destilling tower air inlet of being located at the destilling tower bottom through ring flange; The destilling tower gas outlet of being located at the destilling tower top links to each other through pipeline with the charging aperture of condenser and pipeline is provided with said vavuum pump; The discharging opening of said condenser links to each other with the charging aperture of vacuum storage tanks, and the discharging opening of vacuum storage tanks is provided with reversal valve, and said reversal valve links to each other with discharging pump, the refluxing opening of being located at destilling tower top respectively through pipeline; Said discharging pump links to each other with the product storage tank; The discharge outlet of being located at the distillation still bottom links to each other with the inlet of said vacuum slag-draining device.
Preferably, the aperture of said destilling tower air inlet is consistent with the pore size of distillation still gas outlet.
Preferably, the inner chamber of said distillation still is provided with heat(ing) coil, and the periphery of the latter half of distillation still is provided with heating jacket.
Preferably, said destilling tower comprises fractions joint cylindrical shell, connects through flange between the merogenesis cylindrical shell.
Preferably, said condenser is a shell-and-tube cooler.
Preferably, said vacuum feeder also is provided with the filter element that the how pure lean solution of ethene is filtered.
Advantage and the good effect that the utlity model has are:
1, through distillation still is set below destilling tower; And the distillation still gas outlet is directly linked to each other with the destilling tower air inlet; Practiced thrift the space that equipment is put, and the how pure lean solution of the ethene steam that the back forms that is heated can not only directly get into destilling tower from distillation still, but also can directly heat the how pure lean solution of the ethene in the destilling tower; Need not to introduce extra heat medium at destilling tower, have simple in structure, distillation efficiency is high, space-saving advantage;
2, simultaneously the material in the kettle is heated inside and outside the outer heating jacket of heat(ing) coil in the distillation still and kettle, improved the speed that material is heated distillation greatly;
3, destilling tower is that cylindrical shell by some merogenesis assembles, and unpicks and washes, easy to maintenance;
4, the distillation link is the decompression distillation link, effectively energy savings;
5, through vacuum feeder, vacuum slag-draining device are set, the decompression distillation link makes that the whole energy consumption of purifying plant is lower;
6, purifying plant technology is provided with limpid, the free from extraneous odour of aqueous products color and luster that contains ethylene glycol, diethylene glycol and other alcohols reasonable, simple in structure, that the cost cost is low, purification obtains; Can be used as the high-quality feedstocks of producing the modulation cooling fluid, good in economic efficiency.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure:
1, vacuum feeder 2, destilling tower 3, distillation still
4, vacuum slag-draining device 5, take out batch can 6, condenser
7, vacuum storage tanks 8, discharging pump 9, product storage tank
10, destilling tower gas outlet 11, refluxing opening 12, distillation still gas outlet
13, ring flange 14, destilling tower air inlet 15, heat(ing) coil
16, heating jacket 17, merogenesis cylindrical shell 18, vavuum pump
19, discharge outlet 20, distillation still charging aperture 21, reversal valve
The specific embodiment
As shown in Figure 1; The utility model is used for the how pure lean solution purifying plant of ethene; The how pure lean solution purifying plant of a kind of ethene comprises vacuum feeder 1, vacuum slag-draining device 4, distillation still 3, destilling tower 2, vavuum pump 18, condenser 6, vacuum storage tanks 7, discharging pump 8 and product storage tank 9; Said distillation still 3 is located at the below of destilling tower 2, and the discharging opening of vacuum feeder 1 links to each other with the distillation still charging aperture 20 of being located at distillation still 3 upper ends; The top of distillation still 3 is located in distillation still gas outlet 12, and distillation still gas outlet 12 directly links to each other with the destilling tower air inlet 14 of being located at destilling tower 2 bottoms through ring flange 13; The destilling tower gas outlet 10 of being located at destilling tower 2 tops links to each other through pipeline with the charging aperture of condenser 6 and pipeline is provided with said vavuum pump 18; The discharging opening of said condenser 6 links to each other with the charging aperture of vacuum storage tanks 7, and the discharging opening of vacuum storage tanks 7 is provided with reversal valve 21, and said reversal valve 21 links to each other with discharging pump 8, the refluxing opening 11 of being located at destilling tower 2 tops respectively through pipeline; Said discharging pump 8 links to each other with product storage tank 9; The discharge outlet 19 of being located at distillation still 3 bottoms links to each other with the inlet of said vacuum slag-draining device 4.
The aperture of said destilling tower air inlet 14 is consistent with the pore size of distillation still gas outlet 12.
The inner chamber of said distillation still 3 is provided with heat(ing) coil 15, and the periphery of the latter half of distillation still 3 is provided with heating jacket 16, and heat(ing) coil 15 is a conduction oil with the heating jacket 16 interior heat mediums that feed.Further, the top of said distillation still 3 can also be provided with manhole, Pressure gauge, thermometer mouth, observes the visor mouth of material situation in the still.
Said destilling tower 2 comprises multicomponent joint cylindrical shell 17, connects through flange between the merogenesis cylindrical shell 17.Further, the top of destilling tower 2 can also be provided with Pressure gauge, thermometer mouth.
Said condenser 6 is a shell-and-tube cooler, and cooling medium is the water of 25 degree, and water is walked shell side.
Said vacuum feeder 1 has the filter element that the how pure lean solution of ethene is filtered.
The course of work of the utility model: the how pure lean solution of raw material ethene that contains ethylene glycol, diethylene glycol gets in the distillation stills 3 from the distillation still charging aperture 20 of distillation still 3 upper ends from vacuum feeder 1 after filtering, adds the antiknock agent of boiling in the distillation still 3; The heat(ing) coil 15 and the heating jacket 16 of distillation still 3 are worked simultaneously, the how pure lean solution of the ethene in the still are heated, when distillation still 3 heats to 40-50 ℃; Start vavuum pump 18; The beginning decompression distillation, the water in the useless alcohol solution is at first gasified in distillation still 3, and the steam after the gasification flows to destilling tower 2 directions; Simultaneously the how pure lean solution of ethene that flows in destilling tower 2 fillers is heated; Last water vapour comes out from destilling tower gas outlet 10, after condenser 6 condensations, flows into vacuum storage tanks 7; Continue decompression distillation; Can make front-end volatiles steam (dilute aqueous solution that is ethylene glycol), ethylene glycol and part diethylene glycol are depressurized and distill subsequently, after condenser 6 condensations; Flow in the vacuum storage tanks 7; When product detects when qualified, regulate reversal valve 21, qualified products are squeezed into product storage tank 9 through pipeline by discharging pump 8; When product detects when defective, regulate reversal valve 21, substandard product is sent the refluxing opening 11 on destilling tower 2 tops back to through pipeline.
After distillation was accomplished, the kettle base solution in the distillation still 3 exported 19 from discharge and puts while hot in the clean entering vacuum slag-draining device 4, and kettle base solution is inhaled into to be taken out in the batch can 5, sends into downstream product user tank car again.
More than the embodiment of the utility model is specified, but said content is merely the preferred embodiment of the utility model, can not be considered to be used to limit the practical range of the utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the utility model.
Claims (6)
1. the how pure lean solution purifying plant of ethene is characterized in that: comprise vacuum feeder, vacuum slag-draining device, distillation still, destilling tower, vavuum pump, condenser, vacuum storage tanks, discharging pump and product storage tank; Said distillation still is located at the below of destilling tower, and the discharging opening of vacuum feeder links to each other with the distillation still charging aperture of being located at the distillation still upper end; The top of distillation still is located in the distillation still gas outlet, and the distillation still gas outlet directly links to each other with the destilling tower air inlet of being located at the destilling tower bottom through ring flange; The destilling tower gas outlet of being located at the destilling tower top links to each other through pipeline with the charging aperture of condenser and pipeline is provided with said vavuum pump; The discharging opening of said condenser links to each other with the charging aperture of vacuum storage tanks, and the discharging opening of vacuum storage tanks is provided with reversal valve, and said reversal valve links to each other with discharging pump, the refluxing opening of being located at destilling tower top respectively through pipeline; Said discharging pump links to each other with the product storage tank; The discharge outlet of being located at the distillation still bottom links to each other with the inlet of said vacuum slag-draining device.
2. the how pure lean solution purifying plant of ethene according to claim 1, it is characterized in that: the aperture of said destilling tower air inlet is consistent with the pore size of distillation still gas outlet.
3. the how pure lean solution purifying plant of ethene according to claim 1, it is characterized in that: the inner chamber of said distillation still is provided with heat(ing) coil, and the periphery of the latter half of distillation still is provided with heating jacket.
4. the how pure lean solution purifying plant of ethene according to claim 1 is characterized in that: said destilling tower comprises fractions joint cylindrical shell, connects through flange between the merogenesis cylindrical shell.
5. the how pure lean solution purifying plant of ethene according to claim 1 is characterized in that: said condenser is a shell-and-tube cooler.
6. the how pure lean solution purifying plant of ethene according to claim 1, it is characterized in that: said vacuum feeder also is provided with filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201767093U CN202516331U (en) | 2012-04-24 | 2012-04-24 | Device for purifying ethylene polyol lean solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201767093U CN202516331U (en) | 2012-04-24 | 2012-04-24 | Device for purifying ethylene polyol lean solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202516331U true CN202516331U (en) | 2012-11-07 |
Family
ID=47099301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201767093U Expired - Fee Related CN202516331U (en) | 2012-04-24 | 2012-04-24 | Device for purifying ethylene polyol lean solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202516331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465260A (en) * | 2018-06-01 | 2018-08-31 | 四川九渊医药科技有限公司 | Volatile oil dehydration device and volatile oil equipment for purifying |
| RU2794335C2 (en) * | 2021-08-18 | 2023-04-17 | Михайло Барильчук | Method and complex unit for disposal of used aviation de-icing fluids, car anti-freezing liquids and coolants used in sports facilities, containing ethylene glycol, or propylene glycol, or a mixture of them. |
-
2012
- 2012-04-24 CN CN2012201767093U patent/CN202516331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465260A (en) * | 2018-06-01 | 2018-08-31 | 四川九渊医药科技有限公司 | Volatile oil dehydration device and volatile oil equipment for purifying |
| RU2794335C2 (en) * | 2021-08-18 | 2023-04-17 | Михайло Барильчук | Method and complex unit for disposal of used aviation de-icing fluids, car anti-freezing liquids and coolants used in sports facilities, containing ethylene glycol, or propylene glycol, or a mixture of them. |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20160424 |