CN220827261U - Combined water distribution comprehensive treatment device for changing condensate - Google Patents
Combined water distribution comprehensive treatment device for changing condensate Download PDFInfo
- Publication number
- CN220827261U CN220827261U CN202322543377.9U CN202322543377U CN220827261U CN 220827261 U CN220827261 U CN 220827261U CN 202322543377 U CN202322543377 U CN 202322543377U CN 220827261 U CN220827261 U CN 220827261U
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- Prior art keywords
- gas
- stripping tower
- condensate
- regulating valve
- liquid
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims description 43
- 230000001105 regulatory effect Effects 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000012071 phase Substances 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 14
- 239000007791 liquid phase Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- 239000008213 purified water Substances 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims 1
- 235000011941 Tilia x europaea Nutrition 0.000 claims 1
- 239000004571 lime Substances 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 abstract description 18
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model relates to a combined water distribution comprehensive treatment device for changing condensate, which aims to solve the problems of complex structure, high system resistance, low ammonia removal efficiency, high energy consumption, complex operation and high maintenance cost in the prior art.
Description
Technical Field
The utility model relates to the field of condensate conversion steam stripping, in particular to a condensate conversion combined type water distribution comprehensive treatment device.
Background
In the coal gasification process, trace ammonia and hydrogen sulfide generated by the system are finally enriched in the conversion process condensate, and the process condensate must be separated before being recycled, otherwise, the recycling accumulation of ammonia not only causes crystallization and corrosion of equipment and pipelines, but also affects the flocculation effect of slag water and ash water. Therefore, the process condensate steam stripping becomes an important process for condensate recycling, and the steam stripping process flow is set as a key for condensate recycling and ammonia resource recovery.
Currently, the shift condensate stripping process mainly comprises a single-tower stripping process and a double-tower stripping process. The single-tower stripping process simultaneously completes the removal of carbon dioxide and ammonia in one tower, and the double-tower stripping process respectively completes the removal of carbon dioxide and ammonia in two towers by utilizing the characteristic that carbon dioxide and hydrogen sulfide are more volatile than ammonia. The tower bottom liquid is sent to a sewage treatment device or a pre-gasification device for treatment whether the single tower process or the double tower process is adopted; and the acid gas in the top of the tower is sent to an acid gas torch for burning. Therefore, no matter what kind of stripping process is, the condensate is treated in a unified way, no combination and distribution are adopted to achieve the effects of stabilizing a system and optimizing energy conservation, and the problems of complex structure, high system resistance, low ammonia removal efficiency, high energy consumption, complex operation and high maintenance cost exist in the prior art. In view of the above, we propose a combined water distribution comprehensive treatment device of the transformation condensate.
Disclosure of utility model
The ammonia removal device aims at solving the problems of complex structure, large system resistance, low ammonia removal efficiency, high energy consumption, complex operation and high maintenance cost in the prior art.
The technical scheme adopted by the utility model is as follows:
The combined water distribution comprehensive treatment device for the conversion condensate comprises a stripping tower, a pressurized stripping tower, a conversion condensate, a gas-liquid separator, a regulating valve A, a regulating valve B, a feed pipe A, a preheater, a feed pipe B, an exhaust gas cooler, an exhaust pipeline, a drain pipeline, a feed pipeline, an acid gas exhaust pipeline and a purified water drain pipeline;
The conversion condensate is divided into two paths, one path is connected with a regulating valve A, the other path is connected with a regulating valve B, the regulating valve A is connected with a feed pipe A, the regulating valve B is connected with the upper part of a stripping tower through a preheater, the top of the stripping tower is sequentially connected with the middle part of a gas-liquid separator through the preheater and an exhaust gas cooler, the bottom of the gas-liquid separator is connected with a pressurized stripping tower through a feed pipeline after being mixed with the feed pipe B through a drain pipeline, the bottom of the pressurized stripping tower and the stripping tower are connected with purified water drain pipeline to drain water, the top of the gas-liquid separator is connected with an exhaust pipeline, and the top of the pressurized stripping tower is connected with exhaust gas through an acid gas exhaust pipeline to drain gas.
The throttle valve A and the regulating valve B have the function of regulating flow.
The top of the stripping tower is provided with a gas phase outlet, the upper part of the stripping tower is provided with a reducing part, the inner upper part of the reducing part is provided with a liquid distributor, the lower part of the liquid distributor is provided with a first packing layer, one side of the upper part of the first packing layer is provided with a condensate conversion inlet, and the bottom of the stripping tower is provided with a liquid phase outlet.
The top of the gas-liquid separator is provided with a gas phase outlet, and the lower part of the gas-liquid separator is provided with a liquid phase outlet.
The top of the pressurized stripping tower is provided with a gas phase outlet, the upper part of the pressurized stripping tower is provided with a reducing part, the inner upper part of the reducing part is provided with a liquid distributor, the lower part of the liquid distributor is provided with a packing layer, one side of the lower part of the packing layer is provided with a feed inlet, one side of the middle part of the packing layer is provided with an ammonia gas outlet, and the bottom of the stripping tower is provided with a liquid phase outlet.
The utility model has the beneficial effects that:
1) The device has the advantages of simple structure, small system resistance, high ammonia removal efficiency, low energy consumption, low equipment investment, simple operation control and low maintenance cost.
2) In the device, after the condensate is transformed and optimally combined and distributed, the load of the stripping tower system can be reduced, the stable operation is kept, and the energy consumption is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
reference numerals illustrate:
A regulating valve A1; a regulating valve B2; a feed pipe A3 and a preheater 4; a stripping column 5; a feed pipe B6; an exhaust gas cooler 7; a gas-liquid separator 8; an exhaust line 9; a drain line 10; a feed line 11, a pressurized stripper 12; an acid gas exhaust line 13; a purified water drain line 14.
Detailed Description
For a clearer understanding of the technical features, objects and effects of the present utility model, a specific embodiment of the present utility model will now be described with reference to the accompanying drawings, in which only the parts relevant to the utility model are schematically shown in the drawings for brevity, and they do not represent the actual structure of the product.
As shown in fig. 1: the utility model relates to a combined type water distribution comprehensive treatment device for a conversion condensate, which comprises a stripping tower 5, a pressurized stripping tower 12, a conversion condensate, a gas-liquid separator 8, a regulating valve A1, a regulating valve B2, a feed pipe A3, a preheater 4, a feed pipe B6, an exhaust gas cooler 7, an exhaust pipeline 9, a liquid discharge pipeline 10, a feed pipeline 11, an acid gas exhaust pipeline 13 and a purified water liquid discharge pipeline 14;
The conversion condensate is divided into two paths, one path is connected with a regulating valve A1, the other path is connected with a regulating valve B2, the regulating valve A1 is connected with a feed pipe A3, the upper part of a stripping tower 5 is connected through a preheater 4, the regulating valve B2 is connected with a feed pipe B6, the top of the stripping tower 5 is sequentially connected with the middle part of a gas-liquid separator 8 through the preheater 4 and an exhaust gas cooler 7, the bottom of the gas-liquid separator 8 is mixed with the feed pipe B6 through a liquid discharge pipeline 10 and then is connected with a pressurized stripping tower 12 through a feed pipeline 11, the bottom of the pressurized stripping tower 12 and the stripping tower 5 discharge water through a purified water liquid discharge pipeline 14, the top of the gas-liquid separator 8 is connected with an exhaust pipeline 9, and the top of the pressurized stripping tower 12 is connected with the exhaust gas 9 through an acid gas exhaust pipeline 13 to discharge gas.
The throttle valve A1 and the regulating valve B2 have the function of regulating flow.
The top of the stripping tower 5 is provided with a gas phase outlet, the upper part of the stripping tower is provided with a reducing part, the upper part of the inner part of the reducing part is provided with a liquid distributor, the lower part of the liquid distributor is provided with a first packing layer, one side of the upper part of the first packing layer is provided with a condensate conversion inlet, and the bottom of the stripping tower is provided with a liquid phase outlet.
The top of the gas-liquid separator 8 is provided with a gas phase outlet, and the lower part is provided with a liquid phase outlet.
The top of the pressurized stripping tower 12 is provided with a gas phase outlet, the upper part is provided with a reducing part, the inner upper part of the reducing part is provided with a liquid distributor, the lower part of the liquid distributor is provided with a packing layer, one side of the lower part of the packing layer is provided with a feed inlet, one side of the middle part of the packing layer is provided with an ammonia gas outlet, and the bottom of the stripping tower is provided with a liquid phase outlet.
As shown in figure 1, the utility model relates to a combined type water distribution comprehensive treatment device for converting condensate, which is implemented by dividing ammonia-containing converting condensate from a converting device into two parts;
Part of the gas phase is preheated by a preheater 4 directly through a feed pipe A3 by a regulating valve A1 and then is fed into the upper part of a stripping tower 5, the gas phase is refluxed, enters the preheater 4 from the top of the stripping tower 5 to be used as a heat source of the preheater for heat exchange, then enters an exhaust gas cooler 7 for further cooling, the cooled gas phase enters a gas-liquid separator 8 for separation, the separated gas phase is fed to an acid gas torch by an exhaust pipeline 9, and the liquid phase is converged into a feed pipeline 11 through a liquid discharge pipeline 10 and enters a pressurized stripping tower 12.
The other part is mixed with a liquid phase discharge pipe 10 of a gas-liquid separator 8 through a feed pipe B6 by a regulating valve B2 after combined water distribution, and then enters a pressurized stripping tower 12 through a feed pipeline 11, and then is extracted from the side line of the pressurized stripping tower 12 to form an ammonia deamination recovery device.
The ammonia-containing conversion condensate from the conversion device is divided into two parts, one part is directly preheated by a feed pipe A3 through a preheater 4 and then is sent to the upper part of the stripping tower 5, and the other part is mixed with the liquid phase of the gas-liquid separator 8 through a feed pipe B6 and then enters a pressurized stripping tower 12, and ammonia is pumped out from the side line of the pressurized stripping tower 12 to achieve the purpose of ammonia recovery.
The grouping is formed by combining and distributing a regulating valve A1 and a regulating valve B2, wherein the regulating valve A1 is connected with a feeding pipe A3, enters a preheater 4 for preheating, and then enters a stripping tower 5.
The regulating valve A1 and the regulating valve B2 have the flow regulating function and can be controlled by a configurable automatic control system.
The gas phase outlet of the stripping tower 5 is connected with the preheater 4 and then connected with the waste gas cooler 7, and the treated gas phase enters the gas-liquid separator 8.
The top gas phase of the gas-liquid separator 8 is connected with an exhaust pipeline 9 through an acid gas exhaust pipeline 13 to convey the acid gas removing torch. The liquid phase, after merging with a portion of the condensate separated off by the regulating valve B2, enters the pressurized stripper 12 via the feed line 11.
The ammonia gas outlet is connected with the ammonia removal recovery device through a pipeline.
The purified water drain line 14 is pumped back to the previous gasification system.
The utility model relates to a combined water distribution comprehensive treatment device for changing condensate, which has the advantages of simple structure, small system resistance, high ammonia removal efficiency, low energy consumption, low equipment investment, simple operation control and low maintenance cost.
Claims (5)
1. The utility model provides a transform lime set combination formula water distribution comprehensive abatement device, includes stripper (5), pressurization stripper (12), its characterized in that: the device also comprises a condensate conversion, a gas-liquid separator (8), a regulating valve A (1), a regulating valve B (2), a feed pipe A (3), a preheater (4), a feed pipe B (6), an exhaust gas cooler (7), an exhaust pipeline (9), a liquid discharge pipeline (10), a feed pipeline (11), an acid gas exhaust pipeline (13) and a purified water liquid discharge pipeline (14);
The conversion condensate is divided into two paths, one path is connected with a regulating valve A (1), the other path is connected with a regulating valve B (2), the regulating valve A (1) is connected with a feed pipe A (3), the upper part of a stripping tower (5) is connected through a preheater (4), the regulating valve B (2) is connected with a feed pipe B (6), the top of the stripping tower (5) is sequentially connected with the middle part of a gas-liquid separator (8) through the preheater (4) and an exhaust gas cooler (7), the bottom of the gas-liquid separator (8) is connected with a pressurized stripping tower (12) through a feed pipe B (11) after being mixed with the feed pipe B (6), the bottom of the pressurized stripping tower (12) and the stripping tower (5) are connected with purified water drain pipes (14) to drain water, the top of the gas-liquid separator (8) is connected with an exhaust pipe (9), and the top of the pressurized stripping tower (12) is connected with an exhaust pipe (9) through an acid gas drain pipe (13) to drain gas.
2. The integrated treatment device for water distribution by changing condensate combination as claimed in claim 1, wherein: the regulating valve A (1) and the regulating valve B (2) have the function of regulating flow.
3. The integrated treatment device for water distribution by changing condensate combination as claimed in claim 1, wherein: the top of the stripping tower (5) is provided with a gas phase outlet, the upper part of the stripping tower is provided with a reducing part, the inner upper part of the reducing part is provided with a liquid distributor, the lower part of the liquid distributor is provided with a first packing layer, one side of the upper part of the first packing layer is provided with a condensate conversion inlet, and the bottom of the stripping tower is provided with a liquid phase outlet.
4. The integrated treatment device for water distribution by changing condensate combination as claimed in claim 1, wherein: the top of the gas-liquid separator (8) is provided with a gas phase outlet, and the lower part of the gas-liquid separator is provided with a liquid phase outlet.
5. The integrated treatment device for water distribution by changing condensate combination as claimed in claim 1, wherein: the top of the pressurized stripping tower (12) is provided with a gas phase outlet, the upper part is provided with a reducing part, the inner upper part of the reducing part is provided with a liquid distributor, the lower part of the liquid distributor is provided with a packing layer, one side of the lower part of the packing layer is provided with a feed inlet, one side of the middle part is provided with an ammonia gas outlet, and the bottom of the stripping tower is provided with a liquid phase outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543377.9U CN220827261U (en) | 2023-09-19 | 2023-09-19 | Combined water distribution comprehensive treatment device for changing condensate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543377.9U CN220827261U (en) | 2023-09-19 | 2023-09-19 | Combined water distribution comprehensive treatment device for changing condensate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220827261U true CN220827261U (en) | 2024-04-23 |
Family
ID=90725855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322543377.9U Active CN220827261U (en) | 2023-09-19 | 2023-09-19 | Combined water distribution comprehensive treatment device for changing condensate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220827261U (en) |
-
2023
- 2023-09-19 CN CN202322543377.9U patent/CN220827261U/en active Active
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