CN203728786U - Gas desulphurization device - Google Patents
Gas desulphurization device Download PDFInfo
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- CN203728786U CN203728786U CN201420109567.8U CN201420109567U CN203728786U CN 203728786 U CN203728786 U CN 203728786U CN 201420109567 U CN201420109567 U CN 201420109567U CN 203728786 U CN203728786 U CN 203728786U
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- tower
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Abstract
The utility model discloses a gas desulphurization device. The device comprises a desulfurization tower (1), a decyanation tower (7), deacidification towers (8) and a sulfur recovery system, wherein the pregnant solution of the desulfurization tower (1) is discharged into a pregnant solution groove (2); a lean solution discharged from the deacidification towers (8) is discharged into a lean solution groove (3) through a lean solution return pipe and a lean solution reflux pump; the pregnant solution groove (2) is communicated with the bottom of the decyanation tower (7) through a pregnant solution pump and a pregnant solution conveying pipe; the pregnant solution conveying pipe penetrates through the decyanation pregnant solution heat exchanger (6); the pregnant solution conveying pipe and the lean solution return pipe penetrate a lean-pregnant heat exchanger (4); the device further comprises a pipe furnace (13); the heat-exchange pipe of the pipe furnace (13) is communicated with the tower kettles of the deacidification towers respectively; the steam pipe of the pipe furnace (13) is communicated with the heat-exchange pipe of the decyanation pregnant solution heat exchanger (6). According to the utility model, the pipe furnace is utilized to directly heat and desulphurize the pregnant solution, so that the operating cost is reduced, a higher operating temperature is obtained under a lower pressure, and the device can meet the requirements of industrial production and is low in running cost.
Description
Technical field
The utility model relates to a kind of gas producing device, especially a kind of gas desulfurizer.The utility model utilizes tube furnace direct heating sulfur removing pregnant solution, improves sulfur removal technology thermo-efficiency, and save energy, reduces production costs, and for producing normal operation, provides reliable guarantee.
Background technology
The desulfurization production equipments such as current coal gas AS or FAS mainly adopt steam to heat process system, in short supply due to global water resources, and steam is strict to the requirement of water quality, meanwhile, steam heating calorific loss is many, and running cost is higher, and pressure surge is larger, therefore, designing the gas desulfurizer that a kind of calorific loss is few, running cost is lower, is the current technical issues that need to address.
Summary of the invention
Technical problem to be solved in the utility model is to provide the gas desulfurizer that a kind of calorific loss is few, running cost is low.
The technical scheme in the invention for solving the technical problem is:
Gas desulfurizer, comprise thionizer, decyanation tower, extracting tower and sulfur recovery system, the rich solution of thionizer is discharged in rich solution groove, the lean solution that extracting tower is discharged enters in lean solution groove by lean solution return line and lean solution reflux pump, rich solution groove is communicated with the bottom of decyanation tower by rich solution pump and rich solution transfer lime, rich solution transfer lime passes in decyanation rich solution interchanger, rich solution transfer lime and lean solution return line all pass in poor rich liquid heat exchanger, also comprise tube furnace, the heat transfer tube of tube furnace is communicated with the tower reactor of extracting tower, the vapour pipe of tube furnace is communicated with the heat transfer tube of decyanation rich solution interchanger.
As a kind of preferred version of the present utility model, the tower chamber of thionizer is divided into upper and lower four sections by three tower trays of upper, middle and lower, the middle part of all tower trays is equipped with the coal gas rising passway with umbrella crown, on the tower wall near at the bottom of tower, there is gas inlet, on tower top, there is gas exit after desulfurization, in the preceding paragraph tower chamber, be provided with alkali lye fog-spray nozzle, alkali lye fog-spray nozzle is near tower top, on the tower wall in the preceding paragraph tower of correspondence chamber, be provided with alkali lye relief outlet, alkali lye relief outlet is near upper tower tray, alkali lye fog-spray nozzle is communicated with I alkali lye pump outlet by alkali lye jet pipe, alkali lye relief outlet is communicated with the import of I lye pump by alkali lye vent pipe, II alkali lye pump outlet by pipeline respectively with the entering of I lye pump, outlet conduit connects and is communicated with the outer comb of alkali lye, the import of II lye pump is communicated with lye vat (5), in middle epimere tower chamber, be provided with lean solution fog-spray nozzle, lean solution fog-spray nozzle is near upper tower tray, lean solution fog-spray nozzle is communicated with lean solution pump outlet by lean solution jet pipe, and the import of lean pump is communicated with lean solution groove, and lean solution jet pipe passes cold from water at low temperature water cooler and water recirculator, in correspondence, on the tower wall in epimere tower chamber, be provided with lean solution relief outlet, lean solution relief outlet is near middle tower tray, lean solution relief outlet is communicated with the import of stage casing recycle pump by lean solution vent pipe, circulation pump outlet in stage casing is communicated with the circulation shower nozzle in being located at middle hypomere tower chamber by circulation jet pipe, and circulation jet pipe passes in the water cooler of stage casing, on the wall of the chamber in Zhong Xiata chamber, be provided with I rich solution vent pipe, I rich solution vent pipe approaches lower tower tray, I rich solution vent pipe is communicated with rich solution groove, in Xia Ta chamber, be provided with rich solution fog-spray nozzle, rich solution fog-spray nozzle approaches lower tower tray, on the tower wall in Xia Ta chamber, be provided with II rich solution vent pipe, II rich solution vent pipe and ammoniacal liquor are communicated with the import of pre-cooling cycle pump after supplementing pipe parallel connection, and pre-cooling cycle pump outlet is communicated with rich solution groove, the top of decyanation tower is communicated with the middle part of extracting tower by pipeline, the upper middle part of extracting tower is communicated with the lean solution jet pipe between water at low temperature water cooler and water recirculator by pipeline, the bottom of extracting tower is communicated with lean solution groove by lean solution return line and lean solution reflux pump, and the top of extracting tower is communicated with the import of sulfur recovery system by pipeline
As a kind of preferred version of the present utility model, described extracting tower is in parallel two, and the tower reactor of the extracting tower that the heat transfer tube of tube furnace is in parallel with two is all communicated with.
Compared with prior art, the utility model utilizes tube furnace direct heating sulfur removing pregnant solution, not only reduces running cost but also can under lower pressure, obtain higher working temperature, not only meet industrial needs, and running cost is low.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present utility model;
Fig. 2 is prior art systems schematic diagram.
Embodiment
As shown in the figure, gas desulfurizer, comprise thionizer 1, decyanation tower 7, extracting tower 8 and sulfur recovery system, the rich solution of thionizer 1 is discharged in rich solution groove 2, the lean solution that extracting tower 8 is discharged enters in lean solution groove 3 by lean solution return line and lean solution reflux pump, rich solution groove 2 is communicated with the bottom of decyanation tower 7 by rich solution pump and rich solution transfer lime, rich solution transfer lime passes in decyanation rich solution interchanger 6, rich solution transfer lime and lean solution return line all pass in poor rich liquid heat exchanger 4, also comprise tube furnace 13, the heat transfer tube of tube furnace 13 is communicated with the tower reactor of extracting tower, the vapour pipe of tube furnace 13 is communicated with the heat transfer tube of decyanation rich solution interchanger 6.
The tower chamber of thionizer 1 is divided into upper and lower four sections by three tower trays of upper, middle and lower, the middle part of all tower trays is equipped with the coal gas rising passway with umbrella crown, on the tower wall near at the bottom of tower, there is gas inlet, on tower top, there is gas exit after desulfurization, in the preceding paragraph tower chamber, be provided with alkali lye fog-spray nozzle, alkali lye fog-spray nozzle is near tower top, on the tower wall in the preceding paragraph tower of correspondence chamber, be provided with alkali lye relief outlet, alkali lye relief outlet is near upper tower tray, alkali lye fog-spray nozzle is communicated with I alkali lye pump outlet by alkali lye jet pipe, alkali lye relief outlet is communicated with the import of I lye pump by alkali lye vent pipe, II alkali lye pump outlet by pipeline respectively with the entering of I lye pump, outlet conduit connects and is communicated with the outer comb of alkali lye, the import of II lye pump is communicated with lye vat 5, in middle epimere tower chamber, be provided with lean solution fog-spray nozzle, lean solution fog-spray nozzle is near upper tower tray, lean solution fog-spray nozzle is communicated with lean solution pump outlet by lean solution jet pipe, and the import of lean pump is communicated with lean solution groove 3, and lean solution jet pipe passes cold from water at low temperature water cooler 10 and water recirculator 11, in correspondence, on the tower wall in epimere tower chamber, be provided with lean solution relief outlet, lean solution relief outlet is near middle tower tray, lean solution relief outlet is communicated with the import of stage casing recycle pump by lean solution vent pipe, circulation pump outlet in stage casing is communicated with the circulation shower nozzle in being located at middle hypomere tower chamber by circulation jet pipe, and circulation jet pipe passes in stage casing water cooler 12, on the wall of the chamber in Zhong Xiata chamber, be provided with I rich solution vent pipe, I rich solution vent pipe approaches lower tower tray, I rich solution vent pipe is communicated with rich solution groove 2, in Xia Ta chamber, be provided with rich solution fog-spray nozzle, rich solution fog-spray nozzle approaches lower tower tray, on the tower wall in Xia Ta chamber, be provided with II rich solution vent pipe, II rich solution vent pipe and ammoniacal liquor are communicated with the import of pre-cooling cycle pump 1 after supplementing pipe parallel connection, and the outlet of pre-cooling cycle pump 1 is communicated with rich solution groove 2, the top of decyanation tower 7 is communicated with the middle part of extracting tower 8 by pipeline, the upper middle part of extracting tower 8 is communicated with the lean solution jet pipe between water at low temperature water cooler 10 and water recirculator 11 by pipeline, the bottom of extracting tower 8 is communicated with lean solution groove 3 by lean solution return line and lean solution reflux pump, and the top of extracting tower 8 is communicated with the import of sulfur recovery system by pipeline.
Described extracting tower 8 is in parallel two, and the tower reactor of the extracting tower that the heat transfer tube of tube furnace 13 is in parallel with two is all communicated with.
Claims (3)
1. gas desulfurizer, comprise thionizer (1), decyanation tower (7), extracting tower (8) and sulfur recovery system, the rich solution of thionizer (1) is discharged in rich solution groove (2), the lean solution that extracting tower (8) is discharged enters in lean solution groove (3) by lean solution return line and lean solution reflux pump, rich solution groove (2) is communicated with the bottom of decyanation tower (7) by rich solution pump and rich solution transfer lime, rich solution transfer lime passes in decyanation rich solution interchanger (6), rich solution transfer lime and lean solution return line all pass in poor rich liquid heat exchanger (4), it is characterized in that, also comprise tube furnace (13), the heat transfer tube of tube furnace (13) is communicated with the tower reactor of extracting tower, the vapour pipe of tube furnace (13) is communicated with the heat transfer tube of decyanation rich solution interchanger (6).
2. gas desulfurizer according to claim 1, it is characterized in that, the tower chamber of thionizer (1) is divided into upper and lower four sections by three tower trays of upper, middle and lower, the middle part of all tower trays is equipped with the coal gas rising passway with umbrella crown, on the tower wall near at the bottom of tower, there is gas inlet, on tower top, there is gas exit after desulfurization, in the preceding paragraph tower chamber, be provided with alkali lye fog-spray nozzle, alkali lye fog-spray nozzle is near tower top, on the tower wall in the preceding paragraph tower of correspondence chamber, be provided with alkali lye relief outlet, alkali lye relief outlet is near upper tower tray, alkali lye fog-spray nozzle is communicated with I alkali lye pump outlet by alkali lye jet pipe, alkali lye relief outlet is communicated with the import of I lye pump by alkali lye vent pipe, II alkali lye pump outlet by pipeline respectively with the entering of I lye pump, outlet conduit connects and is communicated with the outer comb of alkali lye, the import of II lye pump is communicated with lye vat (5), in middle epimere tower chamber, be provided with lean solution fog-spray nozzle, lean solution fog-spray nozzle is near upper tower tray, lean solution fog-spray nozzle is communicated with lean solution pump outlet by lean solution jet pipe, and the import of lean pump is communicated with lean solution groove (3), and lean solution jet pipe passes cold from water at low temperature water cooler (10) and water recirculator (11), in correspondence, on the tower wall in epimere tower chamber, be provided with lean solution relief outlet, lean solution relief outlet is near middle tower tray, lean solution relief outlet is communicated with the import of stage casing recycle pump by lean solution vent pipe, circulation pump outlet in stage casing is communicated with the circulation shower nozzle in being located at middle hypomere tower chamber by circulation jet pipe, and circulation jet pipe passes in stage casing water cooler (12), on the wall of the chamber in Zhong Xiata chamber, be provided with I rich solution vent pipe, I rich solution vent pipe approaches lower tower tray, I rich solution vent pipe is communicated with rich solution groove (2), in Xia Ta chamber, be provided with rich solution fog-spray nozzle, rich solution fog-spray nozzle approaches lower tower tray, on the tower wall in Xia Ta chamber, be provided with II rich solution vent pipe, II rich solution vent pipe and ammoniacal liquor are communicated with the import of pre-cooling cycle pump (1) after supplementing pipe parallel connection, and the outlet of pre-cooling cycle pump (1) is communicated with rich solution groove (2), the top of decyanation tower (7) is communicated with the middle part of extracting tower (8) by pipeline, the upper middle part of extracting tower (8) is communicated with the lean solution jet pipe between water at low temperature water cooler (10) and water recirculator (11) by pipeline, the bottom of extracting tower (8) is communicated with lean solution groove (3) by lean solution return line and lean solution reflux pump, and the top of extracting tower (8) is communicated with the import of sulfur recovery system by pipeline.
3. gas desulfurizer according to claim 1 and 2, is characterized in that, described extracting tower (8) is in parallel two, and the tower reactor of the extracting tower that the heat transfer tube of tube furnace (13) is in parallel with two is all communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109567.8U CN203728786U (en) | 2014-03-12 | 2014-03-12 | Gas desulphurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109567.8U CN203728786U (en) | 2014-03-12 | 2014-03-12 | Gas desulphurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728786U true CN203728786U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420109567.8U Withdrawn - After Issue CN203728786U (en) | 2014-03-12 | 2014-03-12 | Gas desulphurization device |
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| Country | Link |
|---|---|
| CN (1) | CN203728786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820171A (en) * | 2014-03-12 | 2014-05-28 | 邯郸市裕泰燃气有限公司 | Coal gas desulfurization device |
-
2014
- 2014-03-12 CN CN201420109567.8U patent/CN203728786U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820171A (en) * | 2014-03-12 | 2014-05-28 | 邯郸市裕泰燃气有限公司 | Coal gas desulfurization device |
| CN103820171B (en) * | 2014-03-12 | 2016-03-16 | 邯郸市裕泰燃气有限公司 | Gas desulfurizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |