CN201442910U - Synthetic gas waste heat utilization energy-saving device in methylamine and dimethyl formamide production - Google Patents
Synthetic gas waste heat utilization energy-saving device in methylamine and dimethyl formamide production Download PDFInfo
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- CN201442910U CN201442910U CN2009200276764U CN200920027676U CN201442910U CN 201442910 U CN201442910 U CN 201442910U CN 2009200276764 U CN2009200276764 U CN 2009200276764U CN 200920027676 U CN200920027676 U CN 200920027676U CN 201442910 U CN201442910 U CN 201442910U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model provides a synthetic gas waste heat utilization energy-saving device in methylamine and dimethyl formamide production, which comprises a synthetic tower. The synthetic tower is connected with a high-temperature heat exchanger through a pipe, the high-temperature heat exchanger is connected with a first heating sleeve mounted outside an evaporator through a pipe, the first heating sleeve is connected with a second heating sleeve mounted on a methanol preheater through a pipe, the second heating sleeve is connected with a third heating sleeve mounted outside a reboiler of a separating column through a pipe, the third heating sleeve is connected with a gas-liquid separator through a pipe, and a gas outlet pipe of the gas-liquid separator is connected with a raw amine condenser. The synthetic gas waste heat utilization energy-saving device has the advantages of sufficiently utilizing afterheat of synthetic gas to heat the evaporator, the methanol preheater and the reboiler of the separating column, reducing temperature of the synthetic gas, decreasing circulating water consumption, shortening condensing time, increasing production efficiency, and reducing production cost for enterprises.
Description
Technical field
The utility model relates to methylamine, dimethyl formamide production field, and synthesis gas used heat utilizes energy saver in specifically a kind of methylamine, the dimethyl formamide production.
Background technology
In methylamine, dimethyl formamide were produced, the synthesis gas temperature was higher at present, and its heat can not get sufficient utilization, need consume a large amount of recirculated water when thick amine condenser condenses, and condensation process was longer, and production efficiency is lower.
Summary of the invention
The purpose of this utility model provides that synthesis gas used heat utilizes energy saver in a kind of methylamine, the dimethyl formamide production, it can solve the deficiency that exists in the known technology, the waste heat that makes full use of synthesis gas heats vaporizer, methanol preheater and knockout tower reboiler, reduced the temperature of synthesis gas simultaneously, reduced the recirculated water consumption of thick amine condenser, shorten the condensation time, improved production efficiency.
The utility model for achieving the above object, be achieved through the following technical solutions: comprise synthetic tower, first pipeline is installed in the synthetic tower bottom, first pipeline is connected with high-temperature heat-exchanging, second pipeline is installed on the high-temperature heat-exchanging, second pipeline is connected with first heating jacket that is installed in the vaporizer outside, the 3rd pipeline is installed on first heating jacket, the 3rd pipeline is connected with second heating jacket on being installed in methanol preheater, the 4th pipeline is installed on second heating jacket, the 4th pipeline is connected with the 3rd heating jacket that is installed in knockout tower reboiler outside, the 5th pipeline is installed on the 3rd heating jacket, the 5th pipeline is connected with gas-liquid separator, and the escape pipe of gas-liquid separator is connected with thick amine condenser.
Advantage of the present utility model is: the waste heat that makes full use of synthesis gas heats vaporizer, methanol preheater and knockout tower reboiler, reduced the temperature of synthesis gas simultaneously, reduced the recirculated water consumption of thick amine condenser, shortened the condensation time, improved production efficiency, for enterprise has reduced production cost.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Methylamine described in the utility model, synthesis gas used heat utilizes energy saver to comprise synthetic tower 1 in the dimethyl formamide production, first pipeline 8 is installed in synthetic tower 1 bottom, first pipeline 8 is connected with high-temperature heat-exchanging 2, second pipeline 9 is installed on the high-temperature heat-exchanging 2, second pipeline 9 is connected with first heating jacket 14 that is installed in vaporizer 3 outsides, the 3rd pipeline 10 is installed on first heating jacket 14, the 3rd pipeline 10 is connected with second heating jacket 15 on being installed in methanol preheater 4, the 4th pipeline 11 is installed on second heating jacket 15, the 4th pipeline 11 is connected with the 3rd heating jacket 16 that is installed in knockout tower reboiler 5 outsides, the 5th pipeline 12 is installed on the 3rd heating jacket 16, the 5th pipeline 12 is connected with gas-liquid separator 6, and the escape pipe 13 of gas-liquid separator 6 is connected with thick amine condenser 7.
The utility model in use, synthetic tower 1 bottom expellant gas enters high-temperature heat-exchanging 2 through first pipeline 8, carry out heat exchange with unstripped gas, enter first heating jacket 14 by second pipeline 9 then, vaporizer 3 is heated, count second heating jacket 15 through the 3rd pipeline 10 again, methanol preheater 4 is heated, enter the 3rd heating jacket through the 4th pipeline 11 more afterwards, to knockout tower reboiler 5 heating, the synthesis gas temperature of this moment significantly reduces, after the synthesis gas after the cooling is entered gas-liquid separator 6 and carried out gas-liquid separation by the 5th pipeline 12, enter thick amine condenser 7 by escape pipe 13 again and carry out condensation, condensed phlegma enters thick amine groove.
Claims (1)
1. methylamine, synthesis gas used heat utilizes energy saver in the dimethyl formamide production, it is characterized in that: comprise synthetic tower (1), first pipeline (8) is installed in synthetic tower (1) bottom, first pipeline (8) is connected with high-temperature heat-exchanging (2), high-temperature heat-exchanging (2) is gone up second pipeline (9) is installed, second pipeline (9), first heating jacket (14) outside with being installed in vaporizer (3) is connected, first heating jacket (14) is gone up the 3rd pipeline (10) is installed, the 3rd pipeline (10) is connected with second heating jacket (15) on being installed in methanol preheater (4), second heating jacket (15) is gone up the 4th pipeline (11) is installed, the 4th pipeline (11) three heating jacket (16) outside with being installed in knockout tower reboiler (5) is connected, the 3rd heating jacket (16) is gone up the 5th pipeline (12) is installed, the 5th pipeline (12) is connected with gas-liquid separator (6), and the escape pipe (13) of gas-liquid separator (6) is connected with thick amine condenser (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200276764U CN201442910U (en) | 2009-06-17 | 2009-06-17 | Synthetic gas waste heat utilization energy-saving device in methylamine and dimethyl formamide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200276764U CN201442910U (en) | 2009-06-17 | 2009-06-17 | Synthetic gas waste heat utilization energy-saving device in methylamine and dimethyl formamide production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201442910U true CN201442910U (en) | 2010-04-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200276764U Expired - Fee Related CN201442910U (en) | 2009-06-17 | 2009-06-17 | Synthetic gas waste heat utilization energy-saving device in methylamine and dimethyl formamide production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201442910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918022A (en) * | 2019-11-29 | 2020-03-27 | 安阳九天精细化工有限责任公司 | Temperature regulating system in methylamine synthesis |
-
2009
- 2009-06-17 CN CN2009200276764U patent/CN201442910U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918022A (en) * | 2019-11-29 | 2020-03-27 | 安阳九天精细化工有限责任公司 | Temperature regulating system in methylamine synthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20110617 |