CN204891258U - Ethylene glycol drying tower heating device in ethylene oxide device - Google Patents
Ethylene glycol drying tower heating device in ethylene oxide device Download PDFInfo
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- CN204891258U CN204891258U CN201520567381.1U CN201520567381U CN204891258U CN 204891258 U CN204891258 U CN 204891258U CN 201520567381 U CN201520567381 U CN 201520567381U CN 204891258 U CN204891258 U CN 204891258U
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- ethylene glycol
- drying tower
- tower
- glycol drying
- ethylene
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Abstract
The utility model provides an ethylene glycol drying tower heating device in ethylene oxide device, belongs to chemical production and sets up technical field. It includes the ethylene glycol drying tower, and the ethylene glycol tower is connected by the ethylene glycol pump to the ethylene glycol drying tower, sets up the reboiler on the ethylene glycol drying tower, and the ethylene glycol tower connects gradually feed preheater, ethylene glycol cooler and ethylene glycol product jar through the ethylene glycol pump, and feed preheater is connected with the ethylene glycol drying tower. The utility model discloses an import department sets up the feed preheater who is connected with the ethylene glycol tower at ethylene glycol drying tower material, preheat the heat of ethylene glycol product to the material, with the ethylene glycol drying tower of entering again after the heating of the material of feed inlet, the quantity of reboiler middle and high voltage steam has been reduced, get into the ethylene glycol cooler after lowering the temperature for simultaneously the ethylene glycol product, the quantity of cooling water has been reduced, adopt cascaded heating to the feeding, thereby reach sparingly steam quantity, it reaches the mesh of saving the cooling water quantity to alleviate the reboiler coking, be suitable for the industrial production to use.
Description
Technical field
The utility model belongs to Chemical Manufacture and arranges technical field, is specifically related to ethylene glycol drying tower heater in a kind of efficient, energy-saving and environmental protection and ethylene oxide device capable of circulation.
Background technology
In ethylene oxide device, the heating of ethylene glycol drying tower is heated by reboiler usually, there is steam consumption so too much, the problems such as easy coking, and the ethylene glycol product temperature that the phase is obtained is at present higher, need to be stored to after ethylene glycol product cooling by cooling water, its water loss is large, substantially increases production cost, reduces economic benefit.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide ethylene glycol drying tower heater in a kind of efficient, energy-saving and environmental protection and ethylene oxide device capable of circulation.
Ethylene glycol drying tower heater in described a kind of ethylene oxide device, comprise ethylene glycol drying tower, the import of ethylene glycol tower is connected by the first eg pump at the bottom of described ethylene glycol drying tower tower, ethylene glycol drying tower arranges reboiler, it is characterized in that the outlet of described ethylene glycol tower connects feed preheater import by the second eg pump, feed preheater outlet connects the import of glycol-cooled device, and the outlet of glycol-cooled device connects ethylene glycol product tank, and feed preheater is connected with ethylene glycol drying tower.
Ethylene glycol drying tower heater in described a kind of ethylene oxide device, is characterized in that arranging filter between described feed preheater and ethylene glycol drying tower.
Ethylene glycol drying tower heater in described a kind of ethylene oxide device, it is characterized in that described reboiler being arranged high steam import, steam condensate outlet, ethylene glycol drying tower material outlet and ethylene glycol drying tower material inlet, ethylene glycol drying tower material inlet is connected with bottom ethylene glycol drying tower, ethylene glycol drying tower material outlet is connected with in the middle part of ethylene glycol drying tower, high steam import is positioned at ethylene glycol drying tower material outlet one end, and steam condensate outlet is positioned at ethylene glycol drying tower material inlet one end.
Ethylene glycol drying tower heater in described a kind of ethylene oxide device, it is characterized in that described glycol-cooled device arranges cool cycles water inlet and cool cycles water out, in glycol-cooled device, cooling water flow is to flowing to contrary with ethylene glycol product.
Ethylene glycol drying tower heater in above-mentioned a kind of ethylene oxide device, comprise ethylene glycol drying tower, the import of ethylene glycol tower is connected by the first eg pump at the bottom of described ethylene glycol drying tower tower, ethylene glycol drying tower arranges reboiler, described ethylene glycol tower outlet connects feed preheater import by the second eg pump, feed preheater outlet connects the import of glycol-cooled device, and the outlet of glycol-cooled device connects ethylene glycol product tank, and feed preheater is connected with ethylene glycol drying tower.The utility model is by adopting above-mentioned technology, at ethylene glycol drying tower material inlet, place arranges feed preheater, and this feed preheater is connected with ethylene glycol tower, the heat of ethylene glycol tower ethylene glycol product is out used for carrying out preheating to material, the Appropriate application heat of ethylene glycol, by ethylene glycol drying tower of entering again after the heating material of charging aperture, reduce the consumption of reboiler mesohigh steam, enter glycol-cooled device to after ethylene glycol product cooling simultaneously, reduce the consumption of cooling water, staged heating is adopted to charging, thus reach saving steam consumption, alleviate the object of reboiler coking and saving cooling water amount, be suitable for suitability for industrialized production application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-feed preheater, 2-glycol-cooled device, 3-ethylene glycol product tank, 4-first eg pump, 5-second eg pump, 6-ethylene glycol tower, 7-reboiler, 8-ethylene glycol drying tower, 9-filter.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is not limited in this:
As shown in Figure 1, ethylene glycol drying tower heater in a kind of ethylene oxide device of the present utility model, comprise ethylene glycol drying tower 8, ethylene glycol tower 6 import is connected by the first eg pump 4 at the bottom of described ethylene glycol drying tower 8 tower, ethylene glycol drying tower 8 is arranged reboiler 7, described reboiler 7 arranges high steam import, steam condensate exports, ethylene glycol drying tower material outlet and ethylene glycol drying tower material inlet, ethylene glycol drying tower material inlet is connected with bottom ethylene glycol drying tower 8, ethylene glycol drying tower material outlet is connected with in the middle part of ethylene glycol drying tower 8, high steam import is positioned at ethylene glycol drying tower material outlet one end, steam condensate outlet is positioned at ethylene glycol drying tower material inlet one end, by the material in high pressure steam heating ethylene glycol drying tower 8, the steam condensate obtained after heat exchange is discharged, described ethylene glycol tower 6 exports and connects feed preheater 1 import by the second eg pump 5, feed preheater 1 exports and connects the import of glycol-cooled device 2, glycol-cooled device 2 exports and connects ethylene glycol product tank 3, feed preheater 1 is connected with ethylene glycol drying tower 8, between described feed preheater 1 and ethylene glycol drying tower 8, filter 9 is set, described glycol-cooled device 2 is arranged cool cycles water inlet and cool cycles water out, in glycol-cooled device 2, cooling water flow is to flowing to contrary with ethylene glycol product.
As shown in the figure, the course of work of the utility model embodiment is as follows: pending ethylene glycol material (91 DEG C) is from the throat-fed of feed preheater 1, high temperature glycol product (140 DEG C) simultaneously in ethylene glycol tower 6 in feed preheater 1, carries out heat exchange with pending ethylene glycol material through the second eg pump 5 pump:
1) the ethylene glycol product temperature after heat exchange is down to 105 DEG C, then the cooling water on glycol-cooled device 2 cools, and cooler-water temperature rises to 43 DEG C of discharges from 33 DEG C, and ethylene glycol temperature is down to 48 DEG C and is entered ethylene glycol product tank 3 and collect;
2) the ethylene glycol material after heat exchange is warming up to 118 DEG C and enters in ethylene glycol drying tower 8 after filter 9 filters, high steam on reboiler 7 is to its drying that heats up further, high steam is cooled to steam condensate and discharges, pump into ethylene glycol tower 6 through the first eg pump 4 after the process of ethylene glycol drying to process, ethylene glycol product after process in feed preheater 1, recycles heat through the second eg pump 5 pump.
The utility model, by original ethylene glycol drying tower kettle material being heated by single reboiler, changes two-stage heating material into, saves steam consumption and cooling water amount, for energy-saving and emission-reduction contribute, the combination of this reboiler is made up of one-level preheater device and secondary reboiler, one-level preheater uses ethylene glycol product thermal material as thermal source, secondary reboiler uses high steam as thermal source, ladder heating can make full use of the heat of thermal source, heat exchange is more abundant, also system cloud gray model can be made more stable, after adopting the technical solution of the utility model, the consumption of steam is significantly reduced when product yield and quality do not reduce, the steam consumption of unit product is reduced, high steam consumption about 2.8 ten thousand tons/year can be reduced, the cooling water amount of ethylene glycol product cooler can save 135m3/h.
Claims (4)
1. ethylene glycol drying tower heater in an ethylene oxide device, comprise ethylene glycol drying tower (8), ethylene glycol tower (6) import is connected by the first eg pump (4) at the bottom of described ethylene glycol drying tower (8) tower, ethylene glycol drying tower (8) is arranged reboiler (7), it is characterized in that the outlet of described ethylene glycol tower (6) connects feed preheater (1) import by the second eg pump (5), feed preheater (1) outlet connects glycol-cooled device (2) import, glycol-cooled device (2) outlet connects ethylene glycol product tank (3), feed preheater (1) is connected with ethylene glycol drying tower (8).
2. ethylene glycol drying tower heater in a kind of ethylene oxide device according to claim 1, is characterized in that arranging filter (9) between described feed preheater (1) and ethylene glycol drying tower (8).
3. ethylene glycol drying tower heater in a kind of ethylene oxide device according to claim 1, it is characterized in that described reboiler (7) being arranged high steam import, steam condensate outlet, ethylene glycol drying tower material outlet and ethylene glycol drying tower material inlet, ethylene glycol drying tower material inlet is connected with ethylene glycol drying tower (8) bottom, ethylene glycol drying tower material outlet is connected with ethylene glycol drying tower (8) middle part, high steam import is positioned at ethylene glycol drying tower material outlet one end, and steam condensate outlet is positioned at ethylene glycol drying tower material inlet one end.
4. ethylene glycol drying tower heater in a kind of ethylene oxide device according to claim 1, it is characterized in that described glycol-cooled device (2) arranges cool cycles water inlet and cool cycles water out, in glycol-cooled device (2), cooling water flow is to flowing to contrary with ethylene glycol product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520567381.1U CN204891258U (en) | 2015-07-31 | 2015-07-31 | Ethylene glycol drying tower heating device in ethylene oxide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520567381.1U CN204891258U (en) | 2015-07-31 | 2015-07-31 | Ethylene glycol drying tower heating device in ethylene oxide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204891258U true CN204891258U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520567381.1U Active CN204891258U (en) | 2015-07-31 | 2015-07-31 | Ethylene glycol drying tower heating device in ethylene oxide device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938147A (en) * | 2017-04-06 | 2017-07-11 | 胡玉娴 | Drying tower heater |
| CN109126167A (en) * | 2018-10-30 | 2019-01-04 | 苏州圣汇装备有限公司 | A kind of EO concentration tower structure |
-
2015
- 2015-07-31 CN CN201520567381.1U patent/CN204891258U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938147A (en) * | 2017-04-06 | 2017-07-11 | 胡玉娴 | Drying tower heater |
| CN109126167A (en) * | 2018-10-30 | 2019-01-04 | 苏州圣汇装备有限公司 | A kind of EO concentration tower structure |
| CN109126167B (en) * | 2018-10-30 | 2023-09-15 | 苏州圣汇装备有限公司 | EO concentration tower structure |
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| GR01 | Patent grant |