CN210165777U - Coke oven self waste heat power generation and induced air sharing device - Google Patents
Coke oven self waste heat power generation and induced air sharing device Download PDFInfo
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- CN210165777U CN210165777U CN201920925900.5U CN201920925900U CN210165777U CN 210165777 U CN210165777 U CN 210165777U CN 201920925900 U CN201920925900 U CN 201920925900U CN 210165777 U CN210165777 U CN 210165777U
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a coke oven self cogeneration and induced air sharing device, including coke oven and SOx/NOx control device, its characterized in that: the coke oven top is equipped with the chimney, the chimney is connected and is equipped with the high temperature flue, the high temperature flue is connected and is equipped with exhaust-heat boiler, exhaust-heat boiler connects and is equipped with steam turbine, steam turbine exit linkage is equipped with the condenser, condenser exit linkage is equipped with condensate pump, the condensate pump export is connected with exhaust-heat boiler afterbody heat exchanger, exhaust-heat boiler afterbody heat exchanger connects and is equipped with the oxygen-eliminating device, steam turbine connects the generator, the generator connection is equipped with the draught fan, exhaust-heat boiler exit linkage is equipped with the connection flue, it meets with the draught fan to connect the flue, the chimney is connected and is equipped with the low temperature flue that meets with SOx/NOx control device, the draught fan export is connected with. The utility model discloses safe, stable, reliably solve the hot reserve problem of chimney.
Description
Technical Field
The utility model relates to the technical field of fire fighting equipment, in particular to a coke oven self waste heat power generation and induced air sharing device.
Background
At present, a plurality of coking plants in China implement a pure low-temperature oxidation, desulfurization and denitrification integrated coke oven flue gas cleaning technology. Because of the continuity and the particularity of coke oven production, the coke oven generally does not stop production all the year round, and the desulfurization and denitrification facility does not have the performance of continuous operation, and the production must be stopped, overhauled and maintained regularly, so in order to ensure that the normal production of the coke oven is not influenced when the desulfurization and denitrification facility fails or stops production, a coke oven chimney always keeps in a hot standby state, a coke enterprise generally arranges a 10-15% flue gas amount bypass to realize the purpose, and although the production safety of the coke oven can be ensured, the long-term emission of the coke oven flue gas exceeds the standard and is unstable, and the emission reduction effect is influenced.
The general energy resource consumption of SOx/NOx control system is higher, causes SOx/NOx control running cost to be on the high side, and enterprise construction enthusiasm is not high, and the too high problem of electric energy consumption has been solved to this technique, has realized negative energy SOx/NOx control gas cleaning.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to solve the defects of the prior art, provide a safe, stable and reliable sharing device for the waste heat power generation and the air induction of the coke oven, and solve the problem of chimney hot standby.
In order to solve the technical problem, the utility model provides a technical scheme does: the coke oven self waste heat power generation and induced air sharing device comprises a coke oven and a desulfurization and denitrification device, wherein a chimney is arranged at the top of the coke oven, the chimney is connected with a high-temperature flue, the high-temperature flue is connected with a waste heat boiler, a steam turbine is arranged at a steam outlet of the waste heat boiler through a pipeline, a condenser is arranged at an outlet of the steam turbine through a pipeline, a condensate pump is arranged at an outlet of the condenser through a pipeline, an outlet of the condensate pump is connected with a tail heat exchanger of the waste heat boiler through a pipeline, a deaerator is arranged at the tail heat exchanger of the waste heat boiler through a pipeline, an outlet of the deaerator is connected with an inlet of the waste heat boiler, a speed reducer is arranged at the steam turbine, a generator is connected with the speed reducer, an induced draft fan is arranged at the, the chimney is connected and is equipped with the low temperature flue that meets with SOx/NOx control device, the draught fan export is connected with low temperature flue and SOx/NOx control device respectively through the pipeline.
As an improvement, a feed water pump is connected between the outlet of the deaerator and the inlet of the waste heat boiler.
As an improvement, a bypass baffle valve is arranged between the outlet of the induced draft fan and the low-temperature flue.
And as an improvement, a baffle valve II is arranged between the outlet of the induced draft fan and the desulfurization and denitrification device.
As an improvement, a baffle valve I is arranged at the joint of the high-temperature flue and the waste heat boiler.
As an improvement, a third baffle valve is arranged at the joint of the low-temperature flue and the desulfurization and denitrification device.
As an improvement, a coupler is arranged between the generator and the induced draft fan.
Compared with the prior art, the utility model the advantage lie in: the heat of the hot flue gas is converted into steam energy through the waste heat boiler, the steam energy is connected with the generator and the draught fan through a rotating shaft of the saturated steam turbine and converted into electric energy and mechanical energy, and the heat of the hot flue gas of the coke oven can also send a certain amount of electric energy to satisfy self use except that the requirement for driving the draught fan is met by selecting and using the efficient waste heat boiler and the saturated steam turbine.
Drawings
FIG. 1 is a schematic structural diagram of a device for using waste heat of a coke oven to generate electricity and induce air.
As shown in the figure: 1. the system comprises a high-temperature flue, 2, a first baffle valve, 3, a waste heat boiler, 4, a deaerator, 5, a water feeding pump, 6, a saturated steam turbine, 7, a condenser, 8, a condensate pump, 9, a speed reducer, 10, a generator, 11, an induced draft fan, 12, a bypass baffle valve, 13, a second baffle valve, 14, a connecting flue, 15, a coke oven, 16, a desulfurization and denitrification device, 17, a third baffle valve, 18, a low-temperature flue, 19 and a chimney.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings, the coke oven self waste heat power generation and induced air sharing device comprises a coke oven 15 and a desulfurization and denitrification device 16, wherein a chimney 19 is arranged at the top of the coke oven 15, a high-temperature flue 1 is connected with the chimney 19, a waste heat boiler 3 is connected with the high-temperature flue 1, a steam turbine 6 is arranged at a steam outlet of the waste heat boiler 3 through a pipeline, a condenser 7 is arranged at an outlet of the steam turbine 6 through a pipeline, a condensate pump 8 is arranged at an outlet of the condenser 7 through a pipeline, an outlet of the condensate pump 8 is connected with a heat exchanger at the tail part of the waste heat boiler 3 through a pipeline, a deaerator 4 is arranged at the heat exchanger at the tail part of the waste heat boiler 3 through a pipeline, an outlet of the deaerator 4 is connected with an inlet of the waste heat boiler 3, a speed reducer 9 is connected with, the 3 exit linkage of exhaust-heat boiler is equipped with connection flue 14, connection flue 14 meets with draught fan 11, chimney 19 is connected and is equipped with the low temperature flue 18 that meets with SOx/NOx control device 16, draught fan 11 export is connected with low temperature flue 18 and SOx/NOx control device 16 respectively through the pipeline.
And a water feeding pump 5 is connected between the outlet of the deaerator 4 and the inlet of the waste heat boiler 3.
And a bypass flapper valve 12 is arranged between the outlet of the induced draft fan 11 and the low-temperature flue 18.
And a second baffle valve 13 is arranged between the outlet of the induced draft fan 11 and the desulfurization and denitrification device 16.
And a baffle valve I2 is arranged at the joint of the high-temperature flue 1 and the waste heat boiler 3.
And a third flapper valve 17 is arranged at the joint of the low-temperature flue 18 and the desulfurization and denitrification device 16.
And a coupler is arranged between the generator 10 and the induced draft fan 11.
The utility model discloses when concrete implementation, the heat of hot flue gas turns into steam energy through exhaust-heat boiler 3, and generator 10 and draught fan 11 are connected through 6 pivots of saturated steam turbine to steam energy, turns into electric energy and mechanical energy, through chooseing for use efficient exhaust-heat boiler 3 and saturated steam turbine 6, and coke oven hot flue gas heat can also send an amount of electric energy except satisfying drive draught fan 11, satisfies self and uses.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. Coke oven self waste heat power generation and induced air sharing device, including coke oven (15) and SOx/NOx control device (16), its characterized in that: the coke oven is characterized in that a chimney (19) is arranged at the top of the coke oven (15), the chimney (19) is connected with a high-temperature flue (1), the high-temperature flue (1) is connected with a waste heat boiler (3), a steam outlet of the waste heat boiler (3) is connected with a steam turbine (6) through a pipeline, an outlet of the steam turbine (6) is connected with a condenser (7) through a pipeline, an outlet of the condenser (7) is connected with a condensate pump (8) through a pipeline, an outlet of the condensate pump (8) is connected with a tail heat exchanger of the waste heat boiler (3) through a pipeline, a tail heat exchanger of the waste heat boiler (3) is connected with a deaerator (4) through a pipeline, an outlet of the deaerator (4) is connected with an inlet of the waste heat boiler (3), a speed reducer (9) is connected with the steam turbine (, generator (10) connection is equipped with draught fan (11), exhaust-heat boiler (3) exit linkage is equipped with connection flue (14), connection flue (14) meet with draught fan (11), chimney (19) are connected and are equipped with low temperature flue (18) that meet with SOx/NOx control device (16), draught fan (11) export is passed through the pipeline and is connected with low temperature flue (18) and SOx/NOx control device (16) respectively.
2. The coke oven self waste heat power generation and air induction shared device of claim 1, which is characterized in that: and a water feeding pump (5) is connected between the outlet of the deaerator (4) and the inlet of the waste heat boiler (3).
3. The coke oven self waste heat power generation and air induction shared device of claim 1, which is characterized in that: and a bypass baffle valve (12) is arranged between the outlet of the induced draft fan (11) and the low-temperature flue (18).
4. The coke oven self waste heat power generation and air induction shared device of claim 1, which is characterized in that: and a second baffle valve (13) is arranged between the outlet of the induced draft fan (11) and the desulfurization and denitrification device (16).
5. The coke oven self waste heat power generation and air induction shared device of claim 1, which is characterized in that: and a baffle valve I (2) is arranged at the joint of the high-temperature flue (1) and the waste heat boiler (3).
6. The coke oven self waste heat power generation and air induction shared device of claim 1, which is characterized in that: and a third baffle valve (17) is arranged at the joint of the low-temperature flue (18) and the desulfurization and denitrification device (16).
7. The coke oven self waste heat power generation and air induction shared device of claim 1, which is characterized in that: and a coupler is arranged between the generator (10) and the induced draft fan (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925900.5U CN210165777U (en) | 2019-06-19 | 2019-06-19 | Coke oven self waste heat power generation and induced air sharing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925900.5U CN210165777U (en) | 2019-06-19 | 2019-06-19 | Coke oven self waste heat power generation and induced air sharing device |
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| Publication Number | Publication Date |
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| CN210165777U true CN210165777U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920925900.5U Active CN210165777U (en) | 2019-06-19 | 2019-06-19 | Coke oven self waste heat power generation and induced air sharing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL445537A1 (en) * | 2021-07-01 | 2023-10-02 | Biuro Projektów Koksoprojekt Spółka Z Ograniczoną Odpowiedzialnością | Heat recovery system for coke oven battery firing |
| ES2965956A1 (en) * | 2022-09-15 | 2024-04-17 | Gonzalbo Jesus Maria Cantero | Electrical power system (Machine-translation by Google Translate, not legally binding) |
-
2019
- 2019-06-19 CN CN201920925900.5U patent/CN210165777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL445537A1 (en) * | 2021-07-01 | 2023-10-02 | Biuro Projektów Koksoprojekt Spółka Z Ograniczoną Odpowiedzialnością | Heat recovery system for coke oven battery firing |
| ES2965956A1 (en) * | 2022-09-15 | 2024-04-17 | Gonzalbo Jesus Maria Cantero | Electrical power system (Machine-translation by Google Translate, not legally binding) |
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