CN201442910U - Energy-saving device for waste heat utilization of synthesis gas in the production of methylamine and dimethylformamide - Google Patents
Energy-saving device for waste heat utilization of synthesis gas in the production of methylamine and dimethylformamide Download PDFInfo
- Publication number
- 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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- CN
- China
- Prior art keywords
- heating jacket
- pipeline
- gas
- synthesis gas
- methylamine
- Prior art date
- 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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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 title claims abstract description 27
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 15
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 title abstract description 18
- 239000002918 waste heat Substances 0.000 title abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 150000001412 amines Chemical class 0.000 claims abstract description 9
- 239000006200 vaporizer Substances 0.000 claims description 6
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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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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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本实用新型提供了一种甲胺、二甲基甲酰胺生产中合成气体废热利用节能装置，它包括合成塔，合成塔通过管路与高温换热器连接，高温换热器通过管路与安装在蒸发器外部的第一加热套连接，第一加热套通过管路与安装在甲醇预热器上的第二加热套连接，第二加热套通过管路与安装在分离塔再沸器外部的第三加热套连接，第三加热套通过管路与气液分离器连接，气液分离器的出气管与粗胺冷凝器连接。本实用新型的优点在于：充分利用合成气体的余热对蒸发器、甲醇预热器和分离塔再沸器进行加热，降低了合成气体的温度，减少了循环水消耗量，缩短了冷凝时间，提高了生产效率，为企业降低了生产成本。
The utility model provides an energy-saving device for utilization of synthetic gas waste heat in the production of methylamine and dimethylformamide. The first heating jacket outside the evaporator is connected, the first heating jacket is connected with the second heating jacket installed on the methanol preheater through the pipeline, and the second heating jacket is connected with the second heating jacket installed outside the separation column reboiler through the pipeline The third heating jacket is connected, the third heating jacket is connected to the gas-liquid separator through pipelines, and the gas outlet pipe of the gas-liquid separator is connected to the crude amine condenser. The utility model has the advantages of: making full use of the waste heat of the synthesis gas to heat the evaporator, the methanol preheater and the separation tower reboiler, reducing the temperature of the synthesis gas, reducing the consumption of circulating water, shortening the condensation time, and improving Improve production efficiency and reduce production costs 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 | Energy-saving device for waste heat utilization of synthesis gas in the production of methylamine and dimethylformamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200276764U CN201442910U (en) | 2009-06-17 | 2009-06-17 | Energy-saving device for waste heat utilization of synthesis gas in the production of methylamine and dimethylformamide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201442910U true CN201442910U (en) | 2010-04-28 |
Family
ID=42547585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200276764U Expired - Fee Related CN201442910U (en) | 2009-06-17 | 2009-06-17 | Energy-saving device for waste heat utilization of synthesis gas in the production of methylamine and dimethylformamide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201442910U (en) |
Cited By (3)
| 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 |
| CN116492703A (en) * | 2023-04-03 | 2023-07-28 | 浙江省天正设计工程有限公司 | A kind of energy-saving device and process for the production of methylamine |
| CN116492702A (en) * | 2023-04-03 | 2023-07-28 | 浙江省天正设计工程有限公司 | New energy-saving device and process for methylamine production |
-
2009
- 2009-06-17 CN CN2009200276764U patent/CN201442910U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN110918022B (en) * | 2019-11-29 | 2024-07-26 | 安阳九天精细化工有限责任公司 | Temperature regulating system in methylamine synthesis |
| CN116492703A (en) * | 2023-04-03 | 2023-07-28 | 浙江省天正设计工程有限公司 | A kind of energy-saving device and process for the production of methylamine |
| CN116492702A (en) * | 2023-04-03 | 2023-07-28 | 浙江省天正设计工程有限公司 | New energy-saving device and process for methylamine production |
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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 |