CN202096774U - Improved heat exchange device for 1, 4-butynediol stripping - Google Patents
Improved heat exchange device for 1, 4-butynediol stripping Download PDFInfo
- Publication number
- CN202096774U CN202096774U CN2011203507452U CN201120350745U CN202096774U CN 202096774 U CN202096774 U CN 202096774U CN 2011203507452 U CN2011203507452 U CN 2011203507452U CN 201120350745 U CN201120350745 U CN 201120350745U CN 202096774 U CN202096774 U CN 202096774U
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- Prior art keywords
- butynediol
- stripping tower
- butynediols
- reboiler
- dilution water
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Abstract
The utility model discloses an improved heat exchange device for 1, 4-butynediol stripping, which comprises 1, 4-butynediol stripping system, a newly arranged tube heat exchanger and a dilution water feeding pipeline. The 1, 4-butynediol stripping system comprises a 1, 4-butynediol stripping tower and a 1, 4-butynediol stripping tower reactor reboiler, wherein the 1, 4-butynediol stripping tower is provided with a stripping tower dilution water inlet; the 1, 4-butynediol stripping tower reactor reboiler is provided with a reboiler steam inlet and a first reboiler steam condensate outlet; and the other end of the first reboiler steam condensate outlet is communicated with a reboiler steam condensate inlet of the newly arranged tube heat exchanger and is used for providing heat for the newly arranged tube heat exchanger. The utility model has the beneficial effects that: when the improved heat exchange device for the 1, 4-butynediol stripping is used, the steam consumption of the 1, 4-butynediol stripping tower can be reduced; organic wastewater in a wastewater storage tank can be fully utilized, and the pollution caused by emissions can be reduced; the scaling of the 1, 4-butynediol stripping tower reactor reboiler can be eased, the operating cycle of the 1, 4-butynediol stripping tower reactor reboiler can be extended, and losses of the product yield can be decreased; and small investment is needed, quick returns can be achieved, and the distillation effect can be improved.
Description
Technical field
The utility model relates to a kind of heat-exchanger rig, is specifically related to a kind of improvedly 1, and 4-butynediols gas is carried heat-exchanger rig.
Background technology
1, in the production of 4-butynediols, 1; The main effect of 4-butynediols stripping tower be through rectifying with 1, light components such as methyl alcohol, formaldehyde separate in the 4-butynediols, moisture a large amount of in separating process also are evaporated; Moisture evaporated is brought back workshop section into mutually with tower overhead gas, in order to keep the water balance of whole production system, and need be 1; Replenish a certain amount of dilution water at the bottom of the 4-butynediols stripping tower, be designed to 3t/h.Owing to advance tower dilution water temperature low (being merely 20 ℃), cause 1 after replenishing, temperature descends at the bottom of the 4-butynediols stripping tower.For keeping working condition, the measure of taking at present is the magnitude of recruitment that reduces dilution water, strengthens 1, the quantity of steam of 4-butynediols stripping tower tower still reboiler.But after taking this kind measure, cause waste water tank (TK-0656) water superfluous on the one hand, long-term overflow; On the other hand, cause 1,4-butynediols stripping tower tower still reboiler is overweight, and fouling is frequent, constitutes a threat to producing normal operation at present.
The utility model content
The purpose of the utility model is exactly to above-mentioned defective, and a kind of the improved 1 of newly-increased tubular heat exchanger of having installed additional is provided, and 4-butynediols gas is carried heat-exchanger rig.
To achieve these goals, the technical scheme that provides of the utility model is:
A kind of improved 1,4-butynediols gas is carried heat-exchanger rig, includes 1; 4-butynediols gas is carried system, newly-increased tubular heat exchanger and dilution water inlet channel, and is said 1, and 4-butynediols gas is put forward system and included 1; 4-butynediols stripping tower and 1; 4-butynediols stripping tower tower still reboiler is characterized in that: said 1,4-butynediols stripping tower is provided with the import of stripping tower dilution water; Said 1,4-butynediols stripping tower tower still reboiler is provided with reboiler steam import and reboiler steam lime set outlet one; The other end of said reboiler steam lime set outlet one is communicated with the reboiler steam lime set import of newly-increased tubular heat exchanger and thermal source is provided for newly-increased tubular heat exchanger; Said newly-increased tubular heat exchanger is provided with reboiler steam lime set outlet two, dilution water water inlet and dilution water delivery port; Said dilution water water inlet is communicated with the dilution water inlet channel; Said dilution water delivery port and 1, the stripping tower dilution water import on the 4-butynediols stripping tower is communicated with; One end of said dilution water inlet channel is communicated with dilution water water inlet on the newly-increased tubular heat exchanger.
The other end of said dilution water inlet channel is connected with pump.
The other end of said reboiler steam import is connected with the 19bar steam generator.
The other end of said reboiler steam lime set outlet two is connected with 8bar steam expansion jar.
The beneficial effect of the utility model is:
It is improved 1 that the utility model provides, and 4-butynediols gas is carried heat-exchanger rig, has the following advantages: 1, saved 1, the steam consumption of 4-butynediols stripping tower; 2, make full use of the organic wastewater of waste water tank (TK-0656), reduced the pollution that discharging causes; 3, relaxed 1, the fouling degree of 4-butynediols stripping tower tower still reboiler has prolonged 1, the cycle of operation of 4-butynediols stripping tower tower still reboiler, has reduced the product yield loss; 4, investment is little, and income is fast, has improved rectification effect.
Description of drawings
Fig. 1 for the utility model provide 1,4-butynediols gas is put forward the overall schematic of heat-exchanger rig.
Wherein, 1 is 1,4-butynediols stripping tower, and 2 is 1,4-butynediols stripping tower tower still reboiler; 3 is the import of stripping tower dilution water, and 4 is the reboiler steam import, 5 for reboiler steam lime set outlet one, 6 be the import of reboiler steam lime set; 7 for reboiler steam lime set outlet two, 8 is the dilution water delivery port, and 9 is the dilution water water inlet, and 10 is the dilution water inlet channel; 11 is pump, and 12 is 8bar steam expansion jar, and 13 is the 19bar steam generator, and 14 are newly-increased tubular heat exchanger.
The specific embodiment
Specify the specific embodiment of the utility model below in conjunction with accompanying drawing.
The utility model has numerous embodiments, just is used for representing implementation process and part final products among the embodiment, does not limit other embodiment of the utility model.
Embodiment 1:
A kind of improved 1,4-butynediols gas is carried heat-exchanger rig, includes 1; 4-butynediols gas is carried system, newly-increased tubular heat exchanger and dilution water inlet channel, and 1,4-butynediols gas is put forward system and is included 1; 4-butynediols stripping tower 1 and 1,4-butynediols stripping tower tower still reboiler 2; 1,4-butynediols stripping tower 1 is provided with stripping tower dilution water import 3; 1,4-butynediols stripping tower tower still reboiler 2 is provided with reboiler steam import 4 and exports 1 with the reboiler steam lime set; The reboiler steam lime set exports that one 5 the other end is communicated with the reboiler steam lime set import 6 of newly-increased tubular heat exchanger 14 and thermal source is provided for newly-increased tubular heat exchanger 14; Newly-increased tubular heat exchanger 14 is provided with that the reboiler steam lime set exports 27, dilution water water inlet 9 and dilution water delivery port 8; Dilution water water inlet 9 is communicated with dilution water inlet channel 10; Dilution water delivery port 8 and 1, the stripping tower dilution water import 3 on the 4-butynediols stripping tower is communicated with; One end of dilution water inlet channel 10 is communicated with dilution water water inlet 9 on the newly-increased tubular heat exchanger 14; The other end of dilution water inlet channel 10 is connected with pump 11; The other end of reboiler steam import 4 is connected with 19bar steam generator 13; The reboiler steam lime set exports 27 the other end and is connected with 8bar steam expansion jar 12.
1; Dilution water replenishes on the pipeline at the bottom of the 4-butynediols stripping tower tower increases tubular heat exchanger (lectotype selection is BR0.1* (25/230)/3* (1 * 16)/(2 * 8)); Utilize 1,4-butynediols stripping tower tower still reboiler 19bar steam condensate is heated to 90 ℃ with the dilution water temperature of replenishing by 30 ℃, and the lime set after the heat exchange is sent to 8bar steam expansion jar again; Thereby guarantee 1,4-butynediols stripping tower tower still temperature reaches designing requirement (142 ℃).
Material moves towards as follows:
As shown in Figure 1, white arrow is the steam trend among Fig. 1, and black arrow is the dilution water trend; The dilution water that comes from pump was directly to add 1 originally; 4-butynediols stripping tower tower still because the amount of dilution water is big and temperature is lower, causes 1; The tower still temperature of 4-butynediols stripping tower reduces, waste heating steam.Newly-increased tubular heat exchanger can guarantee dilution water earlier through adding 1 again behind the heat exchanger heat temperature raising, and in the 4-butynediols stripping tower tower still, the thermal source of heat exchanger then comes from 1, the steam condensate of 4-butynediols stripping tower tower still reboiler.
Claims (4)
- One kind improved 1,4-butynediols gas is carried heat-exchanger rig, includes 1; 4-butynediols gas is carried system, newly-increased tubular heat exchanger and dilution water inlet channel, and is said 1, and 4-butynediols gas is put forward system and included 1; 4-butynediols stripping tower and 1; 4-butynediols stripping tower tower still reboiler is characterized in that: said 1,4-butynediols stripping tower is provided with the import of stripping tower dilution water; Said 1,4-butynediols stripping tower tower still reboiler is provided with reboiler steam import and reboiler steam lime set outlet one; The other end of said reboiler steam lime set outlet one is communicated with the reboiler steam lime set import of newly-increased tubular heat exchanger and thermal source is provided for newly-increased tubular heat exchanger; Said newly-increased tubular heat exchanger is provided with reboiler steam lime set outlet two, dilution water water inlet and dilution water delivery port; Said dilution water water inlet is communicated with the dilution water inlet channel; Said dilution water delivery port and 1, the stripping tower dilution water import on the 4-butynediols stripping tower is communicated with; One end of said dilution water inlet channel is communicated with dilution water water inlet on the newly-increased tubular heat exchanger.
- 2. as claimed in claim 1 improved 1,4-butynediols gas is carried heat-exchanger rig, it is characterized in that: the other end of said dilution water inlet channel is connected with pump.
- 3. as claimed in claim 1 improved 1,4-butynediols gas is carried heat-exchanger rig, it is characterized in that: the other end of said reboiler steam import is connected with the 19bar steam generator.
- 4. as claimed in claim 1 improved 1,4-butynediols gas is carried heat-exchanger rig, it is characterized in that: the other end of said reboiler steam lime set outlet two is connected with 8bar steam expansion jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203507452U CN202096774U (en) | 2011-09-19 | 2011-09-19 | Improved heat exchange device for 1, 4-butynediol stripping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203507452U CN202096774U (en) | 2011-09-19 | 2011-09-19 | Improved heat exchange device for 1, 4-butynediol stripping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202096774U true CN202096774U (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203507452U Expired - Fee Related CN202096774U (en) | 2011-09-19 | 2011-09-19 | Improved heat exchange device for 1, 4-butynediol stripping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202096774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888487A (en) * | 2015-05-25 | 2015-09-09 | 常熟联邦化工股份有限公司 | Strong-heating heat exchanger and distillation system |
-
2011
- 2011-09-19 CN CN2011203507452U patent/CN202096774U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888487A (en) * | 2015-05-25 | 2015-09-09 | 常熟联邦化工股份有限公司 | Strong-heating heat exchanger and distillation system |
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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: 20120104 Termination date: 20200919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |