CN220968641U - Condensate water recycling system of sulfur recycling combined device - Google Patents
Condensate water recycling system of sulfur recycling combined device Download PDFInfo
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- CN220968641U CN220968641U CN202322728083.3U CN202322728083U CN220968641U CN 220968641 U CN220968641 U CN 220968641U CN 202322728083 U CN202322728083 U CN 202322728083U CN 220968641 U CN220968641 U CN 220968641U
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- condensate
- condensate water
- sulfur
- reboiler
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 155
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 60
- 239000011593 sulfur Substances 0.000 title claims abstract description 60
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- 150000001412 amines Chemical class 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000008929 regeneration Effects 0.000 claims abstract description 28
- 238000011069 regeneration method Methods 0.000 claims abstract description 28
- 239000010865 sewage Substances 0.000 claims abstract description 28
- 238000011084 recovery Methods 0.000 claims description 18
- 238000012806 monitoring device Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000498 cooling water Substances 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 8
- 230000001502 supplementing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Physical Water Treatments (AREA)
Abstract
The utility model belongs to the technical field of condensate water recycling, and particularly relates to a condensate water recycling system of a sulfur recycling combined device. The system comprises an amine liquid regeneration reboiler and a sulfur-containing sewage stripping reboiler, wherein jacket outlets of the amine liquid regeneration reboiler and the sulfur-containing sewage stripping reboiler are respectively connected with a condensate pipeline through a condensate water delivery pipeline of the amine liquid regeneration reboiler and a condensate water delivery pipeline of the sulfur-containing sewage stripping reboiler, and the condensate pipeline is respectively connected with a jacket inlet of the solution heat exchanger, a condensate water treatment unit and an inlet of the deaerator through a condensate water collecting pipeline, a condensate water delivery pipeline and a condensate water inlet deaerator pipeline. Through simple flow transformation, the heat of the high-temperature condensate water of the system is fully utilized, the heat is recycled, the steam and the cooling water consumption are saved, meanwhile, the recycled condensate water is sent to the deaerator to replace the use of desalted water, the consumption of the desalted water is also saved, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of condensate water recycling, and particularly relates to a condensate water recycling system of a sulfur recycling combined device.
Background
The presence of sulfur in refinery processes has a serious impact on both equipment and oil quality, potentially leading to equipment corrosion, equipment operation being affected, and oil degradation or remixing. Therefore, sulfur in the oil refining process must be treated, and the sulfur recovery device has the function of realizing clean production and reducing sulfur emission.
The sulfur recovery unit is a common sulfur recovery unit for petrochemical plants, oil refineries and other factories, is an important measure for ensuring the qualification of factory discharge and reducing environmental pollution, and is an indispensable process for petrochemical plants, oil refineries and the like. The sulfur recovery unit is generally matched with a sulfur production unit, a tail gas treatment unit, an amine liquid regeneration unit and a sulfur-containing sewage stripping unit.
In the prior art, a tail gas treatment unit uses a complex iron absorption process to remove hydrogen sulfide in the tail gas from sulfur production so as to achieve the aim of reaching the standard for emission, and the absorption temperature of a complex iron solution is about 50 ℃, so that a high-temperature medium is required to be additionally used for heating the tail gas to ensure better absorption activity; a great amount of heat generated by a sulfur producing furnace of a sulfur producing unit is recovered through steam produced by a sulfur cooler, but a great amount of deoxidized water is needed in the process; in addition, the amine liquid regeneration unit and the sulfur-containing sewage unit both use low-pressure steam as a reboiler heat source to generate high-temperature condensed water with the temperature of about 125 ℃ for outward delivery, and the condensed water is required to be reused after being cooled by circulating water, so that the problems of heat and water resource waste exist.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a condensate water recycling system of a sulfur recycling combined device, which fully utilizes the heat of high-temperature condensate water of the system through simple process transformation, recycles the condensate water, saves the consumption of steam and cooling water, simultaneously sends the recycled condensate water to a deaerator, replaces the use of desalted water, and also saves the consumption of the desalted water. Thus, the stable operation of the system is ensured, and the overall energy consumption is reduced, so that the production efficiency is improved, and the production cost is reduced.
The utility model is realized by adopting the following technical scheme:
The condensate water recycling system of the sulfur recovery combined device comprises an amine liquid regeneration reboiler and a sulfur-containing sewage stripping reboiler, wherein jacket outlets of the amine liquid regeneration reboiler and the sulfur-containing sewage stripping reboiler are respectively connected with a condensate water pipeline through an amine liquid regeneration reboiler condensate water delivery pipeline and a sulfur-containing sewage stripping reboiler condensate water delivery pipeline, and the condensate water pipeline is respectively connected with a jacket inlet of the solution heat exchanger, a condensate water treatment unit and an inlet of the deaerator through a condensate water collecting pipeline, a condensate water delivery pipeline and a condensate water inlet deaerator pipeline.
The jacket inlet of the amine liquid regeneration reboiler is connected with a first low-pressure steam pipeline.
The jacket inlet of the sulfur-containing sewage stripping reboiler is connected with a second low-pressure steam pipeline. Condensed water flowing through jackets of an amine liquid regeneration reboiler and a sulfur-containing sewage stripping reboiler is at about 125 ℃, and is introduced into the jackets of a solution heat exchanger of the tail gas treatment unit to heat the complex iron solution in the solution heat exchanger, the temperature of the solution is maintained at about 50 ℃, the activity of the solution is ensured, and the heat of the condensed water is recovered; if the heat of the condensed water is too high, the solution heat exchanger cannot be used completely, and the condensed water is introduced into the deaerator through a deaerator pipeline at the same time; if the flow rate of the condensate water is too high, a part of the condensate water is introduced into the condensate water treatment unit through the condensate water outlet pipeline.
The jacket outlet of the solution heat exchanger is connected with the inlet of the deaerator through a deaerator pipeline after the condensate water is heated, the temperature of the condensate water is reduced from 125 ℃ to 85 ℃ after the condensate water is heated by the solution heat exchanger, and the condensate water is sent to the deaerator to replace desalted water for supplementing water, so that the consumption of desalted water is reduced. Meanwhile, the temperature of the water replenishing temperature of the deaerator is increased from 40 ℃ to 85 ℃, so that the consumption of reboiling steam of the deaerator is reduced.
The jacket outlet of the solution heat exchanger is also connected with the condensate water treatment unit through a condensate water heating back delivery pipeline, and if the deaerator cannot use all condensate water, part of the condensate water is delivered to the condensate water treatment unit through the condensate water heating back delivery pipeline.
The condensate pipe is provided with a temperature monitoring device and a flow monitoring device for monitoring the temperature and the flow of condensate water flowing through jackets of the amine liquid regeneration reboiler and the sulfur-containing sewage stripping reboiler.
And a flow monitor is arranged at the jacket inlet of the solution heat exchanger and is used for monitoring the flow of condensed water flowing through the jacket of the solution heat exchanger.
The working principle of the utility model is as follows:
Heating an amine liquid regeneration reboiler and a sulfur-containing sewage stripping reboiler by low-pressure steam, introducing the generated high-temperature condensed water into a solution heat exchanger through a condensate pipeline to serve as a heat source for use, heating the solution heat exchanger, and delivering the condensed water subjected to heat exchange by the solution heat exchanger to a deaerator to replace the original desalted water for water supplementing;
If the flow monitor at the jacket outlet of the solution heat exchanger monitors that the flow is too high and is used for the deaerator excess, part of condensed water after heat exchange is sent to the deaerator, and the rest of condensed water is directly introduced into the condensed water treatment unit for treatment;
If the temperature monitoring device on the condensate pipeline monitors that the heat of the condensate water is too high and the solution heat exchanger cannot be used completely, introducing part of the condensate water into the solution heat exchanger to serve as a heat source, and introducing the other part of the condensate water into the deaerator to supplement water;
If the flow monitoring device on the condensate pipeline monitors that the flow of the condensate is too high, a part of condensate is introduced into the solution heat exchanger to be used as a heat source, a part of condensate is introduced into the deaerator to be used for supplementing water, and a part of condensate is directly introduced into the condensate treatment unit to be treated.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the condensate water recycling system of the sulfur recovery combined device, disclosed by the utility model, the heat of high-temperature condensate water generated by a reboiler is recovered, and the heat is utilized to heat the complex iron solution, so that the activity of the solution is improved, the temperature of the condensate water is reduced, and the steam consumption and the cooling water consumption are reduced; meanwhile, the recovered condensed water is sent to the deaerator to replace the use of desalted water, so that the consumption of the desalted water is also saved, the energy utilization rate is improved, and the cost is also saved;
(2) According to the condensate water recycling system of the sulfur recovery combined device, provided by the utility model, the temperature and the flow of condensate water can be monitored in real time through the arrangement of the temperature monitoring device and the flow monitoring device, so that the normal operation of the system is ensured.
Drawings
FIG. 1 is a schematic diagram of a condensate water recycling system of a sulfur recovery unit of the present utility model;
In the figure: 1. a first low pressure steam line; 2. an amine liquid regenerator; 3. a second low pressure steam line; 4. a sulfur-containing wastewater stripping reboiler; 5. a sulfur-containing sewage stripping reboiler condensed water delivery pipeline; 6. an amine liquid regeneration reboiler condensed water delivery line; 7. a condensed water collecting pipe; 8. a condensed water delivery pipeline; 9. condensed water enters a deaerator pipeline; 10. a condensate pipeline; 11. a solution heat exchanger; 12. a deaerator; 13. a condensed water treatment unit; 14. an external pipeline after condensate water is heated; 15. the condensed water is heated and then enters the deaerator pipeline.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects and technical solutions of the present utility model more apparent.
Example 1
As shown in figure 1, the condensate water recycling system of the sulfur recovery combined device comprises an amine liquid regeneration reboiler 2 and a sulfur-containing sewage stripping reboiler 4, wherein jacket outlets of the amine liquid regeneration reboiler 2 and the sulfur-containing sewage stripping reboiler 4 are respectively connected with a condensate pipe 10 through an amine liquid regeneration reboiler condensate water delivery pipe 6 and a sulfur-containing sewage stripping reboiler condensate water delivery pipe 5, and the condensate pipe 10 is respectively connected with a jacket inlet of a solution heat exchanger 11, a condensate water treatment unit 13 and an inlet of a deaerator 12 through a condensate water collecting pipe 7, a condensate water delivery pipe 8 and a condensate water inlet deaerator pipe 9.
The jacket inlet of the amine liquid regeneration reboiler 2 is connected with a first low-pressure steam pipeline 1.
The jacket inlet of the sulfur-containing sewage stripping reboiler 4 is connected with a second low-pressure steam pipeline 3.
The jacket outlet of the solution heat exchanger 11 is connected with the inlet of the deaerator 12 through a deaerator pipeline 15 after condensate water is heated.
The jacket outlet of the solution heat exchanger 11 is also connected with a condensed water treatment unit 13 through a condensed water heating back delivery pipeline 14.
The condensate pipeline 10 is provided with a temperature monitoring device and a flow monitoring device.
The jacket inlet of the solution heat exchanger 11 is provided with a flow monitor.
When the device is used, low-pressure steam is used as a heat source of the reboiler by the amine liquid regeneration unit and the sulfur-containing sewage unit, condensed water flowing through jackets of the amine liquid regeneration reboiler 2 and the sulfur-containing sewage stripping reboiler 4 is 125 ℃, the condensed water is introduced into the jacket of the solution heat exchanger 11 of the tail gas treatment unit, the complex iron solution in the solution heat exchanger 11 is heated, the solution is heated to 63.7 ℃ from 47.4 ℃, the solution reaction temperature is maintained at 50 ℃, the activity of the solution is ensured, and the temperature of the condensed water is reduced from 125 ℃ to 85 ℃ after the heat of the condensed water is recycled by the solution heat exchanger 11.
The condensed water flowing through the jacket of the solution heat exchanger 11 is heated by the condensed water and then enters the deaerator pipeline to be sent to the deaerator 12 for water supplementing, so that the consumption of desalted water is reduced, and meanwhile, the water supplementing temperature of the deaerator 12 is increased from 40 ℃ to 85 ℃, so that the consumption of reboiling steam of the deaerator 12 is reduced.
Example 2
The condensate water recycling system of the sulfur recovery combined device is the same as that in the embodiment 1.
When the device is used, low-pressure steam is used as a heat source of the reboiler by the amine liquid regeneration unit and the sulfur-containing sewage unit, condensed water flowing through jackets of the amine liquid regeneration reboiler 2 and the sulfur-containing sewage stripping reboiler 4 is 125 ℃, the condensed water is introduced into the jacket of the solution heat exchanger 11 of the tail gas treatment unit, the complex iron solution in the solution heat exchanger 11 is heated, the solution is heated to 63.7 ℃ from 47.4 ℃, the solution reaction temperature is maintained at 50 ℃, the activity of the solution is ensured, and the temperature of the condensed water is reduced from 125 ℃ to 85 ℃ after the heat of the condensed water is recycled by the solution heat exchanger 11.
The flow monitor at the outlet of the jacket of the solution heat exchanger 11 monitors that the flow is too high and is used for the surplus of the deaerator 12, the condensed water flowing through the jacket of the solution heat exchanger 11 is fed into the deaerator pipeline 15 for supplying water after being heated by the condensed water, and the condensed water is led into the condensed water treatment unit 13 for treatment after being heated by the condensed water and is fed out of the pipeline 14.
Example 3
The condensate water recycling system of the sulfur recovery combined device is the same as that in the embodiment 1.
When the device is used, low-pressure steam is used as a reboiler heat source by the amine liquid regeneration unit and the sulfur-containing sewage unit, condensed water flowing through jackets of the amine liquid regeneration reboiler 2 and the sulfur-containing sewage stripping reboiler 4 is 125 ℃, the temperature monitoring device on the condensate pipeline 10 monitors that the heat of the condensed water is too high, the solution heat exchanger 11 cannot be used completely, the condensed water is divided into two paths, one path is introduced into the jacket of the solution heat exchanger 11 of the tail gas treatment unit, the complex iron solution in the solution heat exchanger 11 is heated, and the other path directly enters the deaerator 12 for supplementing water through the condensed water inlet deaerator pipeline 9. The condensed water flowing through the jacket of the solution heat exchanger 11 is introduced into the condensed water treatment unit 13 for treatment through the condensed water heating and then the external delivery pipeline 14.
Example 4
The condensate water recycling system of the sulfur recovery combined device is the same as that in the embodiment 1.
When the device is used, low-pressure steam is used as a heat source of the reboiler, condensed water flowing through jackets of the amine liquid regeneration reboiler 2 and the sulfur-containing sewage stripping reboiler 4 is 125 ℃, the flow monitoring device on the condensate pipeline 10 monitors that the flow of the condensed water is too high, the condensed water is divided into three paths, one path is introduced into the jacket of the solution heat exchanger 11 of the tail gas treatment unit, the complex iron solution in the solution heat exchanger 11 is heated, the other path enters the deaerator pipeline 9 to directly enter the deaerator 12 for water supplementing, the other path is introduced into the condensed water treatment unit 13 for treatment through the condensed water delivery pipeline 8, and meanwhile, the condensed water flowing through the jackets of the solution heat exchanger 11 is introduced into the condensed water treatment unit 13 for treatment through the condensed water delivery pipeline 14 after the condensed water is heated.
Claims (7)
1. The utility model provides a combination unit comdenstion water recycling system is characterized in that, including amine liquid regeneration reboiler (2) and sulfur-containing sewage strip reboiler (4), the export of the clamp cover of amine liquid regeneration reboiler (2) and sulfur-containing sewage strip reboiler (4) is respectively through amine liquid regeneration reboiler comdenstion water delivery line (6) and sulfur-containing sewage strip reboiler comdenstion water delivery line (5) and condensate line (10) link to each other, condensate line (10) are respectively through comdenstion water collection pipeline (7), comdenstion water delivery line (8) and comdenstion water advance deaerator pipeline (9), link to each other with the import of the clamp cover of solution heat exchanger (11), comdenstion water processing unit (13) and deaerator (12).
2. The condensate water recycling system of the sulfur recovery combined device according to claim 1, wherein a jacket inlet of the amine liquid regeneration reboiler (2) is connected with a first low-pressure steam pipeline (1).
3. The condensate water recycling system of the sulfur recovery combined plant according to claim 1, wherein a second low-pressure steam pipeline (3) is connected to a jacket inlet of the sulfur-containing sewage stripping reboiler (4).
4. The condensate water recycling system of the sulfur recovery combined device according to claim 1, wherein a jacket outlet of the solution heat exchanger (11) is connected with an inlet of the deaerator (12) through a deaerator pipeline (15) after condensate water is heated.
5. The condensate water recycling system of the sulfur recovery combined device according to claim 1, wherein the jacket outlet of the solution heat exchanger (11) is further connected with the condensate water treatment unit (13) through a condensate water heating back delivery pipeline (14).
6. The sulfur recovery combined device condensate water recycling system according to claim 1, wherein a temperature monitoring device and a flow monitoring device are arranged on the condensate pipeline (10).
7. The condensate water recycling system of the sulfur recovery combined device according to claim 1, wherein a flow monitor is arranged at a jacket inlet of the solution heat exchanger (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728083.3U CN220968641U (en) | 2023-10-11 | 2023-10-11 | Condensate water recycling system of sulfur recycling combined device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728083.3U CN220968641U (en) | 2023-10-11 | 2023-10-11 | Condensate water recycling system of sulfur recycling combined device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220968641U true CN220968641U (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322728083.3U Active CN220968641U (en) | 2023-10-11 | 2023-10-11 | Condensate water recycling system of sulfur recycling combined device |
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| Country | Link |
|---|---|
| CN (1) | CN220968641U (en) |
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- 2023-10-11 CN CN202322728083.3U patent/CN220968641U/en active Active
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