CN218764623U - High-temperature flue gas treatment system - Google Patents
High-temperature flue gas treatment system Download PDFInfo
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- CN218764623U CN218764623U CN202222797241.6U CN202222797241U CN218764623U CN 218764623 U CN218764623 U CN 218764623U CN 202222797241 U CN202222797241 U CN 202222797241U CN 218764623 U CN218764623 U CN 218764623U
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- heat boiler
- desulfurization
- temperature flue
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Abstract
The utility model discloses a high temperature flue gas processing system is applied to on the glass furnace, has the chimney on this glass furnace, and this high temperature flue gas processing system includes: a waste heat boiler; a desulfurization and denitrification facility; a heat exchanger; the heat exchanger is communicated with the desulfurization and denitrification facility, a first pipeline is arranged at an inlet of the waste heat boiler and is connected with a flue gas pipe of the glass furnace, a fifth pipeline is arranged at an inlet of the heat exchanger and is communicated with the first pipeline. The utility model discloses convenient to use is swift, can realize maintaining or when overhauing at the exhaust-heat boiler, cools down the processing to the stove flue gas through the heat exchanger for flue gas after the processing satisfies the operating condition of desulfurization facility, also can carry out SOx/NOx control to the stove flue gas and handle, makes exhaust flue gas meet the standard.
Description
Technical Field
The utility model relates to a flue gas treatment technical field, in particular to high temperature flue gas processing system.
Background
The glass furnace kiln is a melting device which is necessary to the glass manufacturing industry, and high-temperature flue gas generated by the glass furnace kiln enters a desulfurization, denitrification and dedusting facility after the flue gas reaches the operating temperature condition of an environmental protection facility after heat exchange of a waste heat boiler.
Glass manufacturing is a continuous production industry, under the conditions of faults, daily maintenance and the like of a waste heat boiler, furnace flue gas cannot be cooled, the working condition of the flue gas cannot meet the operating condition of a desulfurization, denitrification and dust removal facility, the flue gas is directly discharged through a chimney without being treated, and then pollutant concentration exceeds the standard.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a high temperature flue gas processing system, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high temperature flue gas processing system, is applied to on the glass furnace kiln, has the chimney on this glass furnace kiln, and this high temperature flue gas processing system includes:
the waste heat boiler is used for reducing the temperature of the high-temperature flue gas and heating water to a certain temperature by using the generated heat of the high-temperature flue gas;
the desulfurization and denitrification facility is communicated with the waste heat boiler and is used for performing desulfurization and denitrification on the cooled high-temperature flue gas;
the heat exchanger is used for cooling the high-temperature flue gas when the waste heat boiler is maintained or overhauled, so that the temperature of the flue gas reaches the operating temperature condition of the desulfurization and denitrification facility;
the heat exchanger is communicated with the desulfurization and denitrification facility, a first pipeline is arranged at an inlet of the waste heat boiler and is connected with a flue gas pipe of the glass furnace, a fifth pipeline is arranged at an inlet of the heat exchanger and is communicated with the first pipeline.
Preferably, the inlet of the desulfurization and denitrification facility is provided with a second pipeline which is communicated with the waste heat boiler, and the outlet of the desulfurization and denitrification facility is provided with a third pipeline which is communicated with the waste heat boiler.
Preferably, a fourth pipeline is arranged at an outlet of the waste heat boiler, and the fourth pipeline is communicated with the chimney.
Preferably, a sixth pipeline is arranged at an outlet of the heat exchanger and communicated with the second pipeline, a seventh pipeline is arranged on the third pipeline, and one end of the seventh pipeline is communicated with the fourth pipeline.
Preferably, a front valve of the waste heat boiler is arranged on one side, close to the waste heat boiler, of the first pipeline, a desulfurization and denitrification inlet valve is arranged on one side, close to the waste heat boiler, of the second pipeline, a first desulfurization and denitrification outlet valve is arranged on one side, close to the waste heat boiler, of the third pipeline, and a rear valve of the waste heat boiler is arranged on one side, close to the waste heat boiler, of the fourth pipeline.
Preferably, a heat exchanger inlet valve is arranged on the fifth pipeline, a heat exchanger outlet valve is arranged on the sixth pipeline, and a second desulfurization and denitrification outlet valve is arranged on the seventh pipeline.
Compared with the prior art, the utility model discloses following beneficial effect has: this high temperature flue gas processing system, when exhaust-heat boiler maintains or overhauls, the heat exchanger operation, the stove flue gas is cooled down the processing to the flue gas through the heat exchanger, the flue gas after the heat exchanger is handled satisfies the running condition of desulfurization facility, the flue gas after the heat exchanger is handled gets into the desulfurization denitration facility and carries out desulfurization denitration treatment, then the flue gas emits into the chimney, be convenient for maintain or overhaul at exhaust-heat boiler, cool down the processing to the stove flue gas through the heat exchanger, make the flue gas after handling satisfy the running condition of desulfurization facility, and then make when exhaust-heat boiler maintains or overhauls, also can carry out desulfurization denitration treatment to the stove flue gas, make the exhaust flue gas accord with the standard.
Drawings
Fig. 1 is the overall structure schematic diagram of a high-temperature flue gas treatment system provided by the utility model.
In the figure: 1. a waste heat boiler; 2. a desulfurization and denitrification facility; 3. a heat exchanger; 4. a first conduit; 5. a second conduit; 6. a third pipeline; 7. a fourth conduit; 8. a chimney; 9. a fifth pipeline; 10. a sixth pipeline; 11. a seventh pipe; 12. a waste heat boiler front valve; 13. a desulfurization and denitrification inlet valve; 14. a first desulfurization and denitrification outlet valve; 15. a waste heat boiler rear valve; 16. a heat exchanger inlet valve; 17. a heat exchanger outlet valve; 18. and a second desulfurization and denitrification outlet valve.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1, a high temperature flue gas treatment system is applied to a glass furnace kiln, the glass furnace kiln is provided with a chimney 8, and the high temperature flue gas treatment system comprises:
the waste heat boiler 1 is used for reducing the temperature of the high-temperature flue gas and heating water to a certain temperature by using the generated heat of the high-temperature flue gas;
the desulfurization and denitrification facility 2 is communicated with the waste heat boiler 1 and is used for performing desulfurization and denitrification on the cooled high-temperature flue gas;
the heat exchanger 3 is used for cooling the high-temperature flue gas when the waste heat boiler 1 is maintained or overhauled, so that the temperature of the flue gas reaches the operating temperature condition of the desulfurization and denitrification facility 2;
wherein, heat exchanger 3 and SOx/NOx control facility 2 intercommunication, exhaust-heat boiler 1's import is provided with first pipeline 4, and the flue gas union coupling of first pipeline 4 and glass stove, heat exchanger 3's import is provided with fifth pipeline 9, and fifth pipeline 9 and first pipeline 4 intercommunication.
The import of SOx/NOx control facility 2 is provided with second pipeline 5, and second pipeline 5 and exhaust-heat boiler 1 intercommunication, and the export of SOx/NOx control facility 2 is provided with third pipeline 6, and third pipeline 6 and exhaust-heat boiler 1 intercommunication.
And a fourth pipeline 7 is arranged at the outlet of the waste heat boiler 1, and the fourth pipeline 7 is communicated with a chimney 8.
The outlet of the heat exchanger 3 is provided with a sixth pipeline 10, the sixth pipeline 10 is communicated with the second pipeline 5, the third pipeline 6 is provided with a seventh pipeline 11, and one end of the seventh pipeline 11 is communicated with the fourth pipeline 7.
First pipeline 4 is close to exhaust-heat boiler 1 one side and is provided with exhaust-heat boiler front valve 12, and second pipeline 5 is close to exhaust-heat boiler 1 one side and is provided with SOx/NOx control inlet valve 13, and the nearly exhaust-heat boiler 1 one side of third pipeline 6 is provided with first SOx/NOx control outlet valve 14, and fourth pipeline 7 is close to exhaust-heat boiler 1 one side and is provided with exhaust-heat boiler rear valve 15.
A heat exchanger inlet valve 16 is arranged on the fifth pipeline 9, a heat exchanger outlet valve 17 is arranged on the sixth pipeline 10, and a second desulfurization and denitrification outlet valve 18 is arranged on the seventh pipeline 11.
It should be noted that, the utility model relates to a high temperature flue gas processing system, when exhaust-heat boiler 1 moves, exhaust-heat boiler front valve 12, SOx/NOx control inlet valve 13, first SOx/NOx control outlet valve 14 and exhaust-heat boiler back valve 15 are opened, heat exchanger inlet valve 16, heat exchanger outlet valve 17 and second SOx/NOx control outlet valve 18 are closed, after the stove flue gas got into exhaust-heat boiler 1's high-temperature section through first pipeline 4 and carried out a heat transfer, the flue gas got into SOx/NOx control facility 2 through second pipeline 5 and carried out SOx/NOx control treatment, then the flue gas gets back to in the exhaust-heat boiler 1 through third pipeline 6 again, the flue gas carries out the secondary heat transfer in the low temperature section in exhaust-heat boiler 1, then the flue gas discharges into chimney 8 through fourth pipeline 7; when exhaust-heat boiler 1 is maintained or overhauled, heat exchanger 3 operates, valve 12 before the exhaust-heat boiler, SOx/NOx control inlet valve 13, first SOx/NOx control outlet valve 14 and exhaust-heat boiler rear valve 15 are closed, heat exchanger inlet valve 16, heat exchanger outlet valve 17 and second SOx/NOx control outlet valve 18 are opened, kiln flue gas enters heat exchanger 3 through first pipeline 4 and fifth pipeline 9, heat exchanger 3 cools down the flue gas and handles, the flue gas after heat exchanger 3 handles satisfies the operating condition of SOx/NOx control facility 2, the flue gas after heat exchanger 3 handles gets into SOx/NOx control facility 2 through sixth pipeline 10 and second pipeline 5 and carries out SOx/NOx control treatment, then the flue gas passes through third pipeline 6, seventh pipeline 11 and fourth pipeline 7 and discharges into chimney 8, when exhaust-heat boiler 1 is maintained or overhauld, cool down the kiln flue gas through heat exchanger 3, make the flue gas after handling satisfy the operating condition of SOx/NOx control facility 2, and then make when exhaust-heat boiler 1 is maintained or overhauld, also can carry out the SOx/SOx treatment to the kiln, make the flue gas that discharges accord with the denitration standard.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a high temperature flue gas processing system, is applied to on the glass furnace kiln, has chimney (8) on this glass furnace kiln, its characterized in that, this high temperature flue gas processing system includes:
the waste heat boiler (1) is used for reducing the temperature of the high-temperature flue gas and heating water to a certain temperature by using the generated heat of the high-temperature flue gas;
the desulfurization and denitrification facility (2) is communicated with the waste heat boiler (1) and is used for performing desulfurization and denitrification on the cooled high-temperature flue gas;
the heat exchanger (3) is used for cooling the high-temperature flue gas when the waste heat boiler (1) is maintained or overhauled, so that the temperature of the flue gas reaches the operating temperature condition of the desulfurization and denitrification facility (2);
the heat exchanger (3) is communicated with the desulfurization and denitrification facility (2), a first pipeline (4) is arranged at an inlet of the waste heat boiler (1), the first pipeline (4) is connected with a flue gas pipe of the glass furnace, a fifth pipeline (9) is arranged at an inlet of the heat exchanger (3), and the fifth pipeline (9) is communicated with the first pipeline (4).
2. The high-temperature flue gas treatment system according to claim 1, wherein: the inlet of the desulfurization and denitrification facility (2) is provided with a second pipeline (5), the second pipeline (5) is communicated with the waste heat boiler (1), the outlet of the desulfurization and denitrification facility (2) is provided with a third pipeline (6), and the third pipeline (6) is communicated with the waste heat boiler (1).
3. The high-temperature flue gas treatment system according to claim 2, wherein: and a fourth pipeline (7) is arranged at an outlet of the waste heat boiler (1), and the fourth pipeline (7) is communicated with the chimney (8).
4. The high-temperature flue gas treatment system according to claim 3, wherein: a sixth pipeline (10) is arranged at an outlet of the heat exchanger (3), the sixth pipeline (10) is communicated with the second pipeline (5), a seventh pipeline (11) is arranged on the third pipeline (6), and one end of the seventh pipeline (11) is communicated with the fourth pipeline (7).
5. The high-temperature flue gas treatment system according to claim 3, wherein: first pipeline (4) are close to exhaust-heat boiler (1) one side is provided with exhaust-heat boiler front valve (12), second pipeline (5) are close to exhaust-heat boiler (1) one side is provided with SOx/NOx control inlet valve (13), third pipeline (6) are close exhaust-heat boiler (1) one side is provided with first SOx/NOx control outlet valve (14), fourth pipeline (7) are close to exhaust-heat boiler (1) one side is provided with exhaust-heat boiler back valve (15).
6. The high-temperature flue gas treatment system according to claim 4, wherein: a heat exchanger inlet valve (16) is arranged on the fifth pipeline (9), a heat exchanger outlet valve (17) is arranged on the sixth pipeline (10), and a second desulfurization and denitrification outlet valve (18) is arranged on the seventh pipeline (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222797241.6U CN218764623U (en) | 2022-10-24 | 2022-10-24 | High-temperature flue gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222797241.6U CN218764623U (en) | 2022-10-24 | 2022-10-24 | High-temperature flue gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218764623U true CN218764623U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222797241.6U Active CN218764623U (en) | 2022-10-24 | 2022-10-24 | High-temperature flue gas treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN218764623U (en) |
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2022
- 2022-10-24 CN CN202222797241.6U patent/CN218764623U/en active Active
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