CN209024427U - One kind is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device - Google Patents
One kind is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device Download PDFInfo
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- CN209024427U CN209024427U CN201821693156.2U CN201821693156U CN209024427U CN 209024427 U CN209024427 U CN 209024427U CN 201821693156 U CN201821693156 U CN 201821693156U CN 209024427 U CN209024427 U CN 209024427U
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- rectifying column
- reboiler
- water inlet
- heat exchanger
- inlet line
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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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- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
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Abstract
The utility model relates to one kind for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and to utilize device, including rectifying column I, rectifying column II, reboiler I, rectifying column IV, reboiler II, rectifying column III, heat recovery heat exchanger and membrane separator, reboiler I is connected with rectifying column II, reboiler I and rectifying column II are connected by the first Drainage pipe with heat recovery heat exchanger, heat recovery heat exchanger is connected by the first water inlet line with membrane separator, membrane separator lower end is respectively equipped with the second water inlet line and third water inlet line, second water inlet line is connected with rectifying column I, third water inlet line is connected with rectifying column III；Heat recovery heat exchanger is connected by the 4th water inlet line with reboiler II, and reboiler II is connected with rectifying column IV, and rectifying column IV is connected by the second Drainage pipe with heat recovery heat exchanger；Kettle liquid is filtered rear secondary use, and kettle liquid is passed through to rectifying column I and rectifying column III and is recycled, reduces discharge of wastewater.
Description
Technical field
The utility model relates to one kind for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and to utilize device, belong to
Waste-heat recovery device field.
Background technique
Industrial methylamine rectification process is that the kettle liquid of rectifying column II directly passes through drain pipe and enters the recycling of rectifying column III at present
Extraction water is recycled currently without the kettle liquid heat of the rectifying column II to high temperature, in addition, the kettle liquid containing high polymer rectifying column II
Not by filtering, the kettle liquid of the higher and rectifying column II containing high polymer of such temperature enters rectifying column III, affects rectifying
The service condition of tower III, while the reboiler II of rectifying column IV consumes more steaminess, not only causes waste of steam in this way, while
Influence system running environment.
Utility model content
The utility model is directed to the deficiencies in the prior art, provides a kind of for rectifying column in methylamine rectification process
Kettle liquid waste heat recycles and utilizes device, to solve problems of the prior art.
To achieve the above object, the technical solution adopted in the utility model is as follows:
One kind is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device, including rectifying column I, rectifying column
II, reboiler I, rectifying column IV, reboiler II, rectifying column III, heat recovery heat exchanger and membrane separator, the reboiler I
It is connected with rectifying column II, the reboiler I and rectifying column II are connected by the first Drainage pipe with heat recovery heat exchanger, institute
State heat recovery heat exchanger and be connected with membrane separator by the first water inlet line, the membrane separator lower end be respectively equipped with second into
Waterpipe and third water inlet line, second water inlet line are connected with rectifying column I, the third water inlet line and rectifying column
III is connected；The heat recovery heat exchanger is connected by the 4th water inlet line with reboiler II, the reboiler II and rectifying column
IV is connected, and the rectifying column IV is connected by the second Drainage pipe with heat recovery heat exchanger.
As a kind of improvement of the utility model, I upper end of reboiler is connected with rectifying column II, the reboiler I with
And II lower end of rectifying column is connected by the first Drainage pipe with heat recovery heat exchanger lower end, the heat recovery heat exchanger upper end
It is connected by the first water inlet line with membrane separator.
As a kind of improvement of the utility model, the heat recovery heat exchanger top passes through the 4th water inlet line and boils again
II bottom end of device is connected, and II upper end of reboiler is connected with rectifying column IV, and IV bottom end of rectifying column passes through the second Drainage pipe
It is connected with heat recovery heat exchanger bottom end.
As a kind of improvement of the utility model, I upper end of reboiler is equipped with Medium Pressure Steam Pipeline.
As a kind of improvement of the utility model, I lower end of reboiler is equipped with the first steam condensate (SC) pipeline.
As a kind of improvement of the utility model, the membrane separator lower end is equipped with high polymer discharge line.
As a kind of improvement of the utility model, II upper end of reboiler is equipped with low-pressure steam pipeline.
As a kind of improvement of the utility model, II lower end of reboiler is equipped with the second steam condensate (SC) pipeline.
Due to using the above technology, the utility model compared with the prior art, is had the advantage that as follows:
The utility model discloses one kind for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and to utilize device, this
II kettle liquid waste heat of rectifying column is fed through in heat recovery heat exchanger by the first Drainage pipe in utility model, and to heat into
After row recycling, kettle liquid is passed through to separating in membrane separator, secondary use is carried out to the kettle liquid after separation, and kettle liquid is led to
Enter to rectifying column I and rectifying column III and recycled, improves the running environment of rectifying column I and rectifying column III；
The steam recycled in heat recovery heat exchanger in the utility model is passed through to reboiler II and rectifying column IV, is subtracted
While the steam consumption of the reboiler II of few rectifying column IV, biggish economic benefit and social benefit are produced.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for recycling and utilizing device for rectifying tower reactor fluid residual heat in methylamine rectification process；
In figure: 1, rectifying column I, 2, rectifying column II, 3, reboiler I, 4, rectifying column IV, 5, reboiler II, 6, rectifying column III,
7, heat recovery heat exchanger, 8, membrane separator, the 9, first Drainage pipe, the 10, first water inlet line, the 11, second water inlet line,
12, third water inlet line, 13, high polymer discharge line, the 14, second Drainage pipe, the 15, the 4th water inlet line, 16, middle pressure steam
Pipeline, the 17, first steam condensate (SC) pipeline, 18, low-pressure steam pipeline, the 19, second steam condensate (SC) pipeline.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate.
Embodiment 1:
It is in conjunction with attached drawing as it can be seen that a kind of for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and using device, including
Rectifying column I 1, rectifying column II 2, reboiler I 3, rectifying column IV 4, reboiler II 5, rectifying column III 6, heat recovery heat exchanger 7 and
Membrane separator 8, the reboiler I 3 are connected with rectifying column II 2, and the reboiler I 3 and rectifying column II 2 pass through the first drain pipe
Road 9 is connected with heat recovery heat exchanger 7, and the heat recovery heat exchanger 7 passes through the first water inlet line 10 and 8 phase of membrane separator
Even, 8 lower end of membrane separator is respectively equipped with the second water inlet line 11 and third water inlet line 12, second water inlet line
11 are connected with rectifying column I 1, and the third water inlet line 12 is connected with rectifying column III 6；The heat recovery heat exchanger 7 passes through the
Four water inlet lines 15 are connected with reboiler II 5, and the reboiler II 5 is connected with rectifying column IV 4, and the rectifying column IV 4 passes through the
Two Drainage pipes 14 are connected with heat recovery heat exchanger 7.
Embodiment 2:
As a kind of improvement of the utility model, I 3 upper end of reboiler is connected with rectifying column II 2, the reboiler I 3
And II 2 lower end of rectifying column is connected by the first Drainage pipe 9 with 7 lower end of heat recovery heat exchanger, the waste heat recycling heat exchange
7 upper end of device is connected by the first water inlet line 10 with membrane separator 8.
Remaining design feature and advantage are identical with embodiment 1.
Embodiment 3:
As a kind of improvement of the utility model, 7 top of heat recovery heat exchanger by the 4th water inlet line 15 with
II 5 bottom end of reboiler is connected, and II 5 upper end of reboiler is connected with rectifying column IV 4, and IV 4 bottom end of rectifying column passes through second
Drainage pipe 14 is connected with 7 bottom end of heat recovery heat exchanger.
Remaining structure is identical with embodiment 1 with advantage.
Embodiment 4:
As a kind of improvement of the utility model, I 3 upper end of reboiler is equipped with Medium Pressure Steam Pipeline 16, described to boil again
I 3 lower end of device is equipped with the first steam condensate (SC) pipeline 17.
Remaining structure is identical with embodiment 1 with advantage.
Embodiment 5:
As a kind of improvement of the utility model, 8 lower end of membrane separator is equipped with high polymer discharge line 13.Remaining knot
Structure is identical with embodiment 1 with advantage.
Embodiment 6:
As a kind of improvement of the utility model, II 5 upper end of reboiler is equipped with low-pressure steam pipeline 18；It is described to boil again
II 5 lower end of device is equipped with the second steam condensate (SC) pipeline 19.Remaining structure is identical with embodiment 1 with advantage.
The utility model can also be by technical characteristic described in embodiment 2,3,4,5,6,7 at least one and example 1 group
Synthesize new embodiment.
The utility model, specific use process is as follows: II 2 kettle liquid waste heat of rectifying column is sent by the first Drainage pipe 9
To heat recovery heat exchanger 7, and after being recycled to heat, kettle liquid is passed through to separating in membrane separator 8, to separation
Kettle liquid afterwards carries out secondary use, and kettle liquid is passed through to rectifying column I 1 and rectifying column III 6 and is recycled, and effectively improves
The running environment of rectifying column I 1 and rectifying column III 6.
The steam recycled in heat recovery heat exchanger 7 is passed through to reboiler II 5 and rectifying column IV 4, reduces rectifying column
While the steam consumption of IV 4 reboiler II 5, biggish economic benefit and social benefit are produced.
Above-described embodiment is only the optimal technical scheme of the utility model, and is not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope, i.e., equivalent replacement within this range is improved, also in the utility model
Protection scope within.
Claims (8)
1. one kind is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device, it is characterised in that: including rectifying
Tower I, rectifying column II, reboiler I, rectifying column IV, reboiler II, rectifying column III, heat recovery heat exchanger and membrane separator, institute
It states reboiler I to be connected with rectifying column II, the reboiler I and rectifying column II are exchanged heat by the first Drainage pipe and waste heat recycling
Device is connected, and the heat recovery heat exchanger is connected by the first water inlet line with membrane separator, the membrane separator lower end difference
Equipped with the second water inlet line and third water inlet line, second water inlet line is connected with rectifying column I, the third water inlet pipe
Road is connected with rectifying column III；The heat recovery heat exchanger is connected by the 4th water inlet line with reboiler II, the reboiler
II is connected with rectifying column IV, and the rectifying column IV is connected by the second Drainage pipe with heat recovery heat exchanger.
2. one kind according to claim 1 is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device,
It is characterized by: I upper end of reboiler is connected with rectifying column II, the reboiler I and II lower end of rectifying column pass through first
Drainage pipe is connected with heat recovery heat exchanger lower end, and the heat recovery heat exchanger upper end passes through the first water inlet line and film point
It is connected from device.
3. one kind according to claim 1 is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device,
It is characterized by: the heat recovery heat exchanger top is connected by the 4th water inlet line with II bottom end of reboiler, it is described to boil again
II upper end of device is connected with rectifying column IV, and IV bottom end of rectifying column passes through the second Drainage pipe and heat recovery heat exchanger bottom end phase
Even.
4. one kind according to claim 1 is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device,
It is characterized by: I upper end of reboiler is equipped with Medium Pressure Steam Pipeline.
5. one kind according to claim 1 is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device,
It is characterized by: I lower end of reboiler is equipped with the first steam condensate (SC) pipeline.
6. one kind according to claim 1 is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device,
It is characterized by: the membrane separator lower end is equipped with high polymer discharge line.
7. one kind according to claim 1 is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device,
It is characterized by: II upper end of reboiler is equipped with low-pressure steam pipeline.
8. one kind according to claim 1 is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device,
It is characterized by: II lower end of reboiler is equipped with the second steam condensate (SC) pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693156.2U CN209024427U (en) | 2018-10-18 | 2018-10-18 | One kind is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693156.2U CN209024427U (en) | 2018-10-18 | 2018-10-18 | One kind is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209024427U true CN209024427U (en) | 2019-06-25 |
Family
ID=66906815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821693156.2U Active CN209024427U (en) | 2018-10-18 | 2018-10-18 | One kind is for rectifying tower reactor fluid residual heat recycling in methylamine rectification process and utilizes device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209024427U (en) |
-
2018
- 2018-10-18 CN CN201821693156.2U patent/CN209024427U/en active Active
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