CN201575637U - Energy-saving device for waste heat utilization of system condensate water in the production of methylamine and dimethylformamide - Google Patents
Energy-saving device for waste heat utilization of system condensate water in the production of methylamine and dimethylformamide Download PDFInfo
- Publication number
- CN201575637U CN201575637U CN2009202396578U CN200920239657U CN201575637U CN 201575637 U CN201575637 U CN 201575637U CN 2009202396578 U CN2009202396578 U CN 2009202396578U CN 200920239657 U CN200920239657 U CN 200920239657U CN 201575637 U CN201575637 U CN 201575637U
- Authority
- CN
- China
- Prior art keywords
- steam
- condensate
- pipe
- heating jacket
- reboiler
- 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
Links
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002918 waste heat Substances 0.000 title abstract description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000011084 recovery Methods 0.000 claims abstract description 26
- 238000004821 distillation Methods 0.000 claims 3
- 230000008676 import Effects 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
本实用新型公开了甲胺、二甲基甲酰胺生产中系统冷凝水废热利用节能装置，包括甲醇回收塔再沸器，甲醇回收塔再沸器外部安装蒸汽加热套和蒸汽冷凝液加热套，蒸汽加热套的进口通过蒸汽管与蒸汽源连接，蒸汽加热套的出口通过冷凝管与冷凝水槽连接，蒸汽冷凝液加热套的进口通过冷凝液管与换热器连接，蒸汽冷凝液加热套的出口通过回收管与蒸汽冷凝液槽连接。蒸汽管上安装控制阀，控制阀通过导线与控制器连接，控制器通过导线与安装在甲醇回收塔再沸器上的温度监测器连接。本实用新型的优点在于：充分利用冷凝水的余热对甲醇回收塔再沸器进行加热，减少了加热甲醇回收塔再沸器所需蒸汽的用量，为企业降低了生产成本。
The utility model discloses an energy-saving device for utilization of system condensed water waste heat in the production of methylamine and dimethylformamide. The inlet of the heating jacket is connected to the steam source through the steam pipe, the outlet of the steam heating jacket is connected to the condensate water tank through the condensation pipe, the inlet of the steam condensate heating jacket is connected to the heat exchanger through the condensate pipe, and the outlet of the steam condensate heating jacket is passed through The recovery pipe is connected to the steam condensate tank. A control valve is installed on the steam pipe, and the control valve is connected with the controller through a wire, and the controller is connected with a temperature monitor installed on the reboiler of the methanol recovery tower through a wire. The utility model has the advantages of fully utilizing the residual heat of condensed water to heat the reboiler of the methanol recovery tower, reducing the amount of steam required for heating the reboiler of the methanol recovery tower, and reducing the production cost for the enterprise.
Description
技术领域technical field
本实用新型涉及甲胺、二甲基甲酰胺生产领域，具体地说是一种甲胺、二甲基甲酰胺生产中系统冷凝水废热利用节能装置。The utility model relates to the field of methylamine and dimethylformamide production, in particular to an energy-saving device for utilization of system condensed water waste heat in the production of methylamine and dimethylformamide.
背景技术Background technique
目前在甲胺、二甲基甲酰胺生产中，低压蒸汽在于换热器换热后冷凝，形成冷凝水，冷凝水回收后仍带有余热，在循环输送途中冷凝水的热量损失较大，利用程度不高，甲醇回收塔再沸器需通过蒸汽进行加热，能耗较高。At present, in the production of methylamine and dimethylformamide, the low-pressure steam is condensed after the heat exchange in the heat exchanger to form condensed water. After the condensed water is recovered, there is still waste heat. The heat loss of the condensed water is relatively large during the circulation transportation. The degree is not high, and the reboiler of the methanol recovery tower needs to be heated by steam, which consumes a lot of energy.
发明内容Contents of the invention
本实用新型的目的是提供一种甲胺、二甲基甲酰胺生产中系统冷凝水废热利用节能装置，它能够解决公知技术中存在的不足，充分利用冷凝水的余热对甲醇回收塔再沸器进行加热，减少了加热甲醇回收塔再沸器所需蒸汽的用量。The purpose of this utility model is to provide an energy-saving device for utilization of system condensed water waste heat in the production of methylamine and dimethylformamide. Heating is provided, reducing the amount of steam required to heat the methanol recovery column reboiler.
本实用新型为实现上述目的，通过以下技术方案实现：包括甲醇回收塔再沸器，甲醇回收塔再沸器外部安装蒸汽加热套和蒸汽冷凝液加热套，蒸汽加热套的进口通过蒸汽管与蒸汽源连接，蒸汽加热套的出口通过冷凝管与冷凝水槽连接，蒸汽冷凝液加热套的进口通过冷凝液管与换热器连接，蒸汽冷凝液加热套的出口通过回收管与蒸汽冷凝液槽连接。蒸汽管上安装控制阀，控制阀通过导线与控制器连接，控制器通过导线与安装在甲醇回收塔再沸器上的温度监测器连接。In order to achieve the above object, the utility model is realized through the following technical solutions: it includes a methanol recovery tower reboiler, a steam heating jacket and a steam condensate heating jacket are installed outside the methanol recovery tower reboiler, and the inlet of the steam heating jacket passes through a steam pipe and steam Source connection, the outlet of the steam heating jacket is connected to the condensate water tank through the condensation pipe, the inlet of the steam condensate heating jacket is connected to the heat exchanger through the condensate pipe, and the outlet of the steam condensate heating jacket is connected to the steam condensate tank through the recovery pipe. A control valve is installed on the steam pipe, and the control valve is connected to a controller through a wire, and the controller is connected to a temperature monitor installed on the reboiler of the methanol recovery tower through a wire.
本实用新型的优点在于：充分利用冷凝水的余热对甲醇回收塔再沸器进行加热，减少了加热甲醇回收塔再沸器所需蒸汽的用量，为企业降低了生产成本。The utility model has the advantages of fully utilizing the residual heat of condensed water to heat the reboiler of the methanol recovery tower, reducing the amount of steam required for heating the reboiler of the methanol recovery tower, and reducing the production cost for the enterprise.
附图说明Description of drawings
图1是本实用新型结构示意图。Fig. 1 is the structural representation of the utility model.
具体实施方式Detailed ways
本实用新型所述的甲胺、二甲基甲酰胺生产中系统冷凝水废热利用节能装置包括甲醇回收塔再沸器1，甲醇回收塔再沸器1外部安装蒸汽加热套2和蒸汽冷凝液加热套3，蒸汽加热套2的进口通过蒸汽管4与蒸汽源5连接，蒸汽加热套2的出口通过冷凝管6与冷凝水槽7连接，蒸汽冷凝液加热套3的进口通过冷凝液管8与换热器9连接，蒸汽冷凝液加热套3的出口通过回收管10与蒸汽冷凝液槽11连接。冷凝液管8将换热器9排出的蒸汽冷凝水导入蒸汽冷凝液加热套3，利用蒸汽冷凝水的余热对甲醇回收塔再沸器1进行加热，减少了加热甲醇回收塔再沸器1所需蒸汽的用量，为企业降低了生产成本。蒸汽源5通过蒸汽管4向蒸汽加热套2内通入高温蒸汽，用于辅助加热，高温蒸汽降温后沿冷凝管6进入冷凝水槽7循环使用。The system condensed water waste heat utilization energy-saving device in the production of methylamine and dimethylformamide described in the utility model includes a methanol recovery tower reboiler 1, and a steam heating jacket 2 and steam condensate heating are installed outside the methanol recovery tower reboiler 1 Cover 3, the inlet of steam heating jacket 2 is connected to steam source 5 through steam pipe 4, the outlet of steam heating jacket 2 is connected to condensate water tank 7 through condensation pipe 6, and the inlet of steam condensate heating jacket 3 is connected to the replacement pipe through condensate pipe 8 Heater 9 is connected, and the outlet of steam condensate heating jacket 3 is connected with steam condensate tank 11 through recovery pipe 10 . The condensate pipe 8 guides the steam condensed water discharged from the heat exchanger 9 into the steam condensed liquid heating jacket 3, and uses the waste heat of the steam condensed water to heat the reboiler 1 of the methanol recovery tower, reducing the time spent on heating the reboiler 1 of the methanol recovery tower. The amount of steam required reduces the production cost for the enterprise. The steam source 5 feeds high-temperature steam into the steam heating jacket 2 through the steam pipe 4 for auxiliary heating. After cooling down, the high-temperature steam enters the condensation water tank 7 along the condensation pipe 6 for recycling.
本实用新型为了进一步减少加热甲醇回收塔再沸器1所需的蒸汽用量，可在蒸汽管4上安装控制阀12，控制阀12通过导线与控制器13连接，控制器13通过导线与安装在甲醇回收塔再沸器1上的温度监测器14连接。温度监测器14能够实时测量甲醇回收塔再沸器1的温度，并将数据传给控制器13，控制器13根据当前温度来调节控制阀
本实用新型在使用时，换热器9排出的蒸汽冷凝水通过冷凝液管8进入蒸汽冷凝液加热套3，利用蒸汽冷凝液的余热对甲醇回收塔再沸器1进行加热，降温后的蒸汽冷凝液沿回收管10排出，进入蒸汽冷凝液槽11后循环使用，在使用蒸汽冷凝液加热套3对甲醇回收塔再沸器1进行加热的同时，蒸汽加热套2也在对甲醇回收塔再沸器1进行辅助加热，确保甲醇回收塔再沸器1始终保持合适的工作温度。When the utility model is in use, the steam condensate discharged from the heat exchanger 9 enters the steam condensate heating jacket 3 through the condensate pipe 8, and the waste heat of the steam condensate is used to heat the reboiler 1 of the methanol recovery tower, and the cooled steam The condensate is discharged along the recovery pipe 10, enters the steam condensate tank 11, and is recycled. While using the steam condensate heating jacket 3 to heat the reboiler 1 of the methanol recovery tower, the steam heating jacket 2 is also reheating the methanol recovery tower. Boiler 1 performs auxiliary heating to ensure that the reboiler 1 of the methanol recovery column always maintains an appropriate working temperature.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202396578U CN201575637U (en) | 2009-10-10 | 2009-10-10 | Energy-saving device for waste heat utilization of system condensate water in the production of methylamine and dimethylformamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202396578U CN201575637U (en) | 2009-10-10 | 2009-10-10 | Energy-saving device for waste heat utilization of system condensate water in the production of methylamine and dimethylformamide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575637U true CN201575637U (en) | 2010-09-08 |
Family
ID=42695514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202396578U Expired - Fee Related CN201575637U (en) | 2009-10-10 | 2009-10-10 | Energy-saving device for waste heat utilization of system condensate water in the production of methylamine and dimethylformamide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201575637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261631A (en) * | 2011-06-23 | 2011-11-30 | 武汉朗肯节能技术有限公司 | Heat pump steam engine |
| CN102494425A (en) * | 2011-12-02 | 2012-06-13 | 江苏远洋药业股份有限公司 | Steam-condensation gathering water recycling and thermal insulation device |
| EP2458220A3 (en) * | 2010-11-30 | 2014-09-24 | General Electric Company | Carbon dioxide compression systems |
-
2009
- 2009-10-10 CN CN2009202396578U patent/CN201575637U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2458220A3 (en) * | 2010-11-30 | 2014-09-24 | General Electric Company | Carbon dioxide compression systems |
| US9062690B2 (en) | 2010-11-30 | 2015-06-23 | General Electric Company | Carbon dioxide compression systems |
| CN102261631A (en) * | 2011-06-23 | 2011-11-30 | 武汉朗肯节能技术有限公司 | Heat pump steam engine |
| CN102261631B (en) * | 2011-06-23 | 2013-12-25 | 武汉朗肯节能技术有限公司 | Heat pump steam engine |
| CN102494425A (en) * | 2011-12-02 | 2012-06-13 | 江苏远洋药业股份有限公司 | Steam-condensation gathering water recycling and thermal insulation device |
| CN102494425B (en) * | 2011-12-02 | 2013-03-20 | 江苏远洋药业股份有限公司 | Steam-condensation gathering water recycling and thermal insulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202581503U (en) | Steam condensate water waste heat recovery device | |
| CN203904327U (en) | White liquor distilling apparatus | |
| CN202768090U (en) | Recovery system of dead steam waste heat | |
| CN103017236A (en) | Condensation heat recycle and supply system of power plant | |
| CN201575637U (en) | Energy-saving device for waste heat utilization of system condensate water in the production of methylamine and dimethylformamide | |
| CN104197313B (en) | Can industry retort exhausting heat energy recovery system | |
| CN203796339U (en) | Waste heat recovery device of direct air cooling unit | |
| CN206345827U (en) | A kind of crude distillation tower top WHRS | |
| CN206705724U (en) | A kind of environmental protection and energy saving waste water distilling apparatus | |
| CN201686646U (en) | Esterification waste heat recovery system | |
| CN204062991U (en) | Can industry retort exhausting heat energy recovery system | |
| CN204767504U (en) | Granulose flash distillation cooling system | |
| CN108085908B (en) | Dyeing machine heat recovery device | |
| CN103954039A (en) | Device and method for recycling smoke condensate heat energy of gas boiler in heat pumping mode | |
| CN106120222B (en) | A kind of waste-heat recovery device of steaming silk system | |
| CN220817722U (en) | A boiler waste heat utilization device | |
| CN111637757A (en) | A waste heat reuse system of polysilicon reduction furnace | |
| CN105371512B (en) | Condensate recycling system | |
| CN208456680U (en) | Cold end system of feed pump steam turbine for direct air cooling unit based on absorption heat pump | |
| CN204176663U (en) | A kind of process waste reclaims energy conserving system | |
| CN205227896U (en) | Condensate water is recovery system again | |
| CN203183716U (en) | Alcohol distillation device with heat recovery device | |
| CN205014337U (en) | A water supply equipment for improving waste heat power generation system heat exchange efficiency | |
| CN205717452U (en) | A kind of coal-burning power plant heat supply network circulation | |
| CN204062990U (en) | A kind of boiler steam-water circulation system |
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: 20100908 Termination date: 20121010 |