CN216964102U - Low-load desulfurization energy-saving system - Google Patents
Low-load desulfurization energy-saving system Download PDFInfo
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- CN216964102U CN216964102U CN202123026626.4U CN202123026626U CN216964102U CN 216964102 U CN216964102 U CN 216964102U CN 202123026626 U CN202123026626 U CN 202123026626U CN 216964102 U CN216964102 U CN 216964102U
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Abstract
The utility model discloses a low-load desulfurization energy-saving system which comprises a first-machine desulfurization tower, a second-machine desulfurization tower and a chimney, wherein the inlet of the first-machine desulfurization tower is connected with a flue A, the inlet of the second-machine desulfurization tower is connected with a flue B, the outlet of the first-machine desulfurization tower is connected with the flue of the chimney, the outlet of the second-machine desulfurization tower is connected with the flue of the chimney, and a flue C is arranged between the flue A and the flue B. The utility model integrates the low-load operation modes of two traditional units of one furnace and one tower, realizes the operation mode of two furnaces and one tower, improves the operation efficiency of equipment and realizes the energy-saving effect of a system.
Description
Technical Field
The utility model relates to a low-load desulfurization energy-saving system, and belongs to the technical field of combustion boilers.
Background
Under the conditions that the current energy pattern is further differentiated and the emission index is increasingly strict, most units of a thermal power plant are in a low-load operation state, and the energy conservation of the system is particularly important. The energy consumption of a desulfurization system matched with a corresponding unit occupies a larger proportion than that of the unit, and the reduction of energy consumption indexes becomes a primary task of a thermal power plant more and more. Especially for a thermal power plant with a plurality of units, the desulfurization system of one furnace and one tower under low load has the phenomena of equipment running under non-working conditions, large system margin and the like, so that the problems of short service life of the whole equipment, overlarge power consumption and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-load desulfurization energy-saving system, which integrates the low-load operation modes of two traditional units of one furnace and one tower, realizes the operation mode of two furnaces and one tower, and improves the operation efficiency of equipment and realizes the energy-saving effect of the system.
In order to solve the technical problem, the utility model adopts the following technical scheme: a low-load desulfurization energy-saving system comprises a first-machine desulfurization tower, a second-machine desulfurization tower and a chimney, wherein an inlet of the first-machine desulfurization tower is connected with a flue A, an inlet of the second-machine desulfurization tower is connected with a flue B, an outlet of the first-machine desulfurization tower is connected with the flue of the chimney, an outlet of the second-machine desulfurization tower is connected with the flue of the chimney, and a flue C is arranged between the flue A and the flue B; the low-load operation modes of the two traditional units of one furnace and one tower are integrated, the operation mode of two furnaces and one tower is realized, the operation efficiency of equipment is improved, and the energy-saving effect of the system is realized.
In the low-load desulfurization energy-saving system, a D flue is arranged between the outlet of the first desulfurization tower and the chimney, an E flue is arranged between the outlet of the second desulfurization tower and the chimney, and an F flue is arranged between the D flue and the E flue.
According to the low-load desulfurization energy-saving system, an A inlet flow measuring point and an A flue gas inlet door are arranged on the A flue, the A flue gas inlet door is arranged at one end close to the inlet of the first-type desulfurization tower, one end of the C flue is connected to the flue section between the A inlet flow measuring point and the A flue gas inlet door, the B flue is provided with a B inlet flow measuring point and a B flue gas inlet door, the B flue gas inlet door is arranged at one end close to the inlet of the second-type desulfurization tower, and the other end of the C flue is connected to the flue section between the B inlet flow measuring point and the B flue gas inlet door; and the A inlet flow measuring point and the B inlet flow measuring point monitor the flow of the flue gas entering the desulfurizing tower in real time.
According to the low-load desulfurization energy-saving system, the flue D is provided with the flue gas outlet door A and the chimney inlet adjusting door A, the chimney inlet adjusting door A is arranged at one end close to a chimney, one end of the flue F is connected to the flue section between the flue gas outlet door A and the chimney inlet adjusting door A, the flue E is provided with the flue gas outlet door B and the chimney inlet adjusting door B, the chimney inlet adjusting door B is arranged at one end close to the chimney, and the other end of the flue F is connected to the flue section between the flue gas outlet door B and the chimney inlet adjusting door B; the purpose of the chimney inlet adjusting door A and the chimney inlet adjusting door B is to keep the flue gas volume in environment-friendly uploading data of each unit consistent with the flue gas volume of each unit entering the absorption tower.
In the low-load desulfurization energy-saving system, the flue C is provided with the inlet flue gas connection door.
In the low-load desulfurization energy-saving system, the F flue is provided with the outlet flue gas connection door.
In the low-load desulfurization energy-saving system, the flue D is also provided with an outlet flow measuring point A, the outlet flow measuring point A is arranged on the flue section between the inlet adjusting door of the chimney A and the chimney, the flue E is also provided with an outlet flow measuring point B, and the outlet flow measuring point B is arranged on the flue section between the inlet adjusting door of the chimney B and the chimney; and when the flow measurement points of the A outlet and the B inlet are inconsistent, the chimney inlet adjusting door A and the chimney inlet adjusting door B adjust the smoke volume in real time.
Compared with the prior art, the utility model has the advantages that:
1. under low load, two towers are changed into one tower, so that the power consumption is reduced;
2. the operation mode of two furnaces and one tower reduces the operation and maintenance workload by nearly half;
3. the utility model realizes undisturbed switching between low-load operation and full-load operation by door adjustment;
4. the rotating equipment of the utility model runs near the high performance curve, and the service life of the equipment is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals: the flue gas purification device comprises a 1-first-machine desulfurizing tower, a 2-second-machine desulfurizing tower, a 3-chimney, a 4-A flue, a 5-B flue, a 6-C flue, a 7-D flue, an 8-E flue, a 9-F flue, a 10-A inlet flow measuring point, an 11-A flue gas inlet door, a 12-B inlet flow measuring point, a 13-B flue gas inlet door, a 14-A flue gas outlet door, a 15-A chimney inlet adjusting door, a 16-B flue gas outlet door, a 17-B chimney inlet adjusting door, an 18-inlet flue gas connecting door, a 19-outlet flue gas connecting door, a 20-A outlet flow measuring point and a 21-B outlet flow measuring point.
The utility model is further described with reference to the following figures and detailed description.
Detailed Description
Example 1 of the utility model: the utility model provides a low-load desulfurization economizer system, includes a quick-witted desulfurizing tower 1, No. two quick-witted desulfurizing tower 2 and chimney 3, the entrance of a quick-witted desulfurizing tower 1 is connected with A flue 4, and the entrance of No. two quick-witted desulfurizing tower 2 is connected with B flue 5, and No. 1 exit of quick-witted desulfurizing tower is connected with 3 flues of chimney, and 2 exits of No. two quick-witted desulfurizing tower are connected with 3 flues of chimney, are provided with C flue 6 between A flue 4 and the B flue 5.
Example 2 of the utility model: a low-load desulfurization energy-saving system comprises a first-machine desulfurization tower 1, a second-machine desulfurization tower 2 and a chimney 3, wherein an inlet of the first-machine desulfurization tower 1 is connected with a flue A4, an inlet of the second-machine desulfurization tower 2 is connected with a flue B5, an outlet of the first-machine desulfurization tower 1 is connected with a flue of the chimney 3, an outlet of the second-machine desulfurization tower 2 is connected with a flue of the chimney 3, and a flue C6 is arranged between the flue A4 and the flue B5; a D flue 7 is arranged between the outlet of the first mechanical desulfurization tower 1 and the chimney 3, an E flue 8 is arranged between the outlet of the second mechanical desulfurization tower 2 and the chimney 3, and an F flue 9 is arranged between the D flue 7 and the E flue 8.
Example 3 of the utility model: a low-load desulfurization energy-saving system comprises a first-machine desulfurization tower 1, a second-machine desulfurization tower 2 and a chimney 3, wherein an inlet of the first-machine desulfurization tower 1 is connected with a flue A4, an inlet of the second-machine desulfurization tower 2 is connected with a flue B5, an outlet of the first-machine desulfurization tower 1 is connected with a flue of the chimney 3, an outlet of the second-machine desulfurization tower 2 is connected with a flue of the chimney 3, and a flue C6 is arranged between the flue A4 and the flue B5; a D flue 7 is arranged between the outlet of the first desulfurization tower 1 and the chimney 3, an E flue 8 is arranged between the outlet of the second desulfurization tower 2 and the chimney 3, and an F flue 9 is arranged between the D flue 7 and the E flue 8; be provided with A entry flow measurement point 10 and A flue gas inlet door 11 on the A flue 4, A flue gas inlet door 11 arranges in the one end that is close to the 1 entrance of an organic desulfurization tower, the flue section between A entry flow measurement point 10 and A flue gas inlet door 11 is connected to the one end of C flue 6, be provided with B entry flow measurement point 12 and B flue gas inlet door 13 on the B flue 5, the one end that is close to 2 entrances of two organic desulfurization towers is arranged in to B flue gas inlet door 13, the other end of C flue 6 is connected in the flue section between B entry flow measurement point 12 and B flue gas inlet door 13.
Example 4 of the utility model: a low-load desulfurization energy-saving system comprises a first-machine desulfurization tower 1, a second-machine desulfurization tower 2 and a chimney 3, wherein an inlet of the first-machine desulfurization tower 1 is connected with a flue A4, an inlet of the second-machine desulfurization tower 2 is connected with a flue B5, an outlet of the first-machine desulfurization tower 1 is connected with a flue of the chimney 3, an outlet of the second-machine desulfurization tower 2 is connected with a flue of the chimney 3, and a flue C6 is arranged between the flue A4 and the flue B5; a D flue 7 is arranged between the outlet of the first desulfurization tower 1 and the chimney 3, an E flue 8 is arranged between the outlet of the second desulfurization tower 2 and the chimney 3, and an F flue 9 is arranged between the D flue 7 and the E flue 8; the A flue 4 is provided with an A inlet flow measuring point 10 and an A flue gas inlet door 11, the A flue gas inlet door 11 is arranged at one end close to an inlet of the first-machine desulfurizing tower 1, one end of the C flue 6 is connected to a flue section between the A inlet flow measuring point 10 and the A flue gas inlet door 11, the B flue 5 is provided with a B inlet flow measuring point 12 and a B flue gas inlet door 13, the B flue gas inlet door 13 is arranged at one end close to an inlet of the second-machine desulfurizing tower 2, and the other end of the C flue 6 is connected to a flue section between the B inlet flow measuring point 12 and the B flue gas inlet door 13; a flue gas outlet door 14 and a chimney inlet adjusting door 15 are arranged on the D flue 7, the chimney inlet adjusting door 15 is arranged at one end close to the chimney 3, one end of the F flue 9 is connected to a flue section between the flue gas outlet door 14 and the chimney inlet adjusting door 15, a B flue gas outlet door 16 and a B chimney inlet adjusting door 17 are arranged on the E flue 8, the chimney inlet adjusting door 17 is arranged at one end close to the chimney 3, and the other end of the F flue 9 is connected to a flue section between the flue gas outlet door 16 and the chimney inlet adjusting door 17.
Example 5 of the utility model: a low-load desulfurization energy-saving system comprises a first-machine desulfurization tower 1, a second-machine desulfurization tower 2 and a chimney 3, wherein an inlet of the first-machine desulfurization tower 1 is connected with a flue A4, an inlet of the second-machine desulfurization tower 2 is connected with a flue B5, an outlet of the first-machine desulfurization tower 1 is connected with a flue of the chimney 3, an outlet of the second-machine desulfurization tower 2 is connected with a flue of the chimney 3, and a flue C6 is arranged between the flue A4 and the flue B5; a D flue 7 is arranged between the outlet of the first desulfurization tower 1 and the chimney 3, an E flue 8 is arranged between the outlet of the second desulfurization tower 2 and the chimney 3, and an F flue 9 is arranged between the D flue 7 and the E flue 8; the A flue 4 is provided with an A inlet flow measuring point 10 and an A flue gas inlet door 11, the A flue gas inlet door 11 is arranged at one end close to an inlet of the first-machine desulfurizing tower 1, one end of the C flue 6 is connected to a flue section between the A inlet flow measuring point 10 and the A flue gas inlet door 11, the B flue 5 is provided with a B inlet flow measuring point 12 and a B flue gas inlet door 13, the B flue gas inlet door 13 is arranged at one end close to an inlet of the second-machine desulfurizing tower 2, and the other end of the C flue 6 is connected to a flue section between the B inlet flow measuring point 12 and the B flue gas inlet door 13; the D flue 7 is provided with an A flue gas outlet door 14 and an A chimney inlet adjusting door 15, the A chimney inlet adjusting door 15 is arranged at one end close to the chimney 3, one end of the F flue 9 is connected to a flue section between the A flue gas outlet door 14 and the A chimney inlet adjusting door 15, the E flue 8 is provided with a B flue gas outlet door 16 and a B chimney inlet adjusting door 17, the B chimney inlet adjusting door 17 is arranged at one end close to the chimney 3, and the other end of the F flue 9 is connected to a flue section between the B flue gas outlet door 16 and the B chimney inlet adjusting door 17; an inlet flue gas communication door 18 is arranged on the C flue 6.
Example 6 of the utility model: a low-load desulfurization energy-saving system comprises a first-machine desulfurization tower 1, a second-machine desulfurization tower 2 and a chimney 3, wherein an inlet of the first-machine desulfurization tower 1 is connected with a flue A4, an inlet of the second-machine desulfurization tower 2 is connected with a flue B5, an outlet of the first-machine desulfurization tower 1 is connected with a flue of the chimney 3, an outlet of the second-machine desulfurization tower 2 is connected with a flue of the chimney 3, and a flue C6 is arranged between the flue A4 and the flue B5; a D flue 7 is arranged between the outlet of the first desulfurization tower 1 and the chimney 3, an E flue 8 is arranged between the outlet of the second desulfurization tower 2 and the chimney 3, and an F flue 9 is arranged between the D flue 7 and the E flue 8; the A flue 4 is provided with an A inlet flow measuring point 10 and an A flue gas inlet door 11, the A flue gas inlet door 11 is arranged at one end close to an inlet of the first-machine desulfurizing tower 1, one end of the C flue 6 is connected to a flue section between the A inlet flow measuring point 10 and the A flue gas inlet door 11, the B flue 5 is provided with a B inlet flow measuring point 12 and a B flue gas inlet door 13, the B flue gas inlet door 13 is arranged at one end close to an inlet of the second-machine desulfurizing tower 2, and the other end of the C flue 6 is connected to a flue section between the B inlet flow measuring point 12 and the B flue gas inlet door 13; the D flue 7 is provided with an A flue gas outlet door 14 and an A chimney inlet adjusting door 15, the A chimney inlet adjusting door 15 is arranged at one end close to the chimney 3, one end of the F flue 9 is connected to a flue section between the A flue gas outlet door 14 and the A chimney inlet adjusting door 15, the E flue 8 is provided with a B flue gas outlet door 16 and a B chimney inlet adjusting door 17, the B chimney inlet adjusting door 17 is arranged at one end close to the chimney 3, and the other end of the F flue 9 is connected to a flue section between the B flue gas outlet door 16 and the B chimney inlet adjusting door 17; an inlet flue gas communication door 18 is arranged on the C flue 6; an outlet flue gas communication door 19 is arranged on the F flue 9.
Example 7 of the utility model: a low-load desulfurization energy-saving system comprises a first-machine desulfurization tower 1, a second-machine desulfurization tower 2 and a chimney 3, wherein an inlet of the first-machine desulfurization tower 1 is connected with a flue A4, an inlet of the second-machine desulfurization tower 2 is connected with a flue B5, an outlet of the first-machine desulfurization tower 1 is connected with a flue of the chimney 3, an outlet of the second-machine desulfurization tower 2 is connected with a flue of the chimney 3, and a flue C6 is arranged between the flue A4 and the flue B5; a D flue 7 is arranged between the outlet of the first desulfurization tower 1 and the chimney 3, an E flue 8 is arranged between the outlet of the second desulfurization tower 2 and the chimney 3, and an F flue 9 is arranged between the D flue 7 and the E flue 8; the A flue 4 is provided with an A inlet flow measuring point 10 and an A flue gas inlet door 11, the A flue gas inlet door 11 is arranged at one end close to an inlet of the first-machine desulfurizing tower 1, one end of the C flue 6 is connected to a flue section between the A inlet flow measuring point 10 and the A flue gas inlet door 11, the B flue 5 is provided with a B inlet flow measuring point 12 and a B flue gas inlet door 13, the B flue gas inlet door 13 is arranged at one end close to an inlet of the second-machine desulfurizing tower 2, and the other end of the C flue 6 is connected to a flue section between the B inlet flow measuring point 12 and the B flue gas inlet door 13; the D flue 7 is provided with an A flue gas outlet door 14 and an A chimney inlet adjusting door 15, the A chimney inlet adjusting door 15 is arranged at one end close to the chimney 3, one end of the F flue 9 is connected to a flue section between the A flue gas outlet door 14 and the A chimney inlet adjusting door 15, the E flue 8 is provided with a B flue gas outlet door 16 and a B chimney inlet adjusting door 17, the B chimney inlet adjusting door 17 is arranged at one end close to the chimney 3, and the other end of the F flue 9 is connected to a flue section between the B flue gas outlet door 16 and the B chimney inlet adjusting door 17; an inlet flue gas communication door 18 is arranged on the C flue 6; an outlet flue gas communication door 19 is arranged on the F flue 9; the D flue 7 is also provided with an A outlet flow measuring point 20, the A outlet flow measuring point 20 is arranged on the flue section between the A chimney inlet adjusting door 15 and the chimney 3, the E flue 8 is also provided with a B outlet flow measuring point 21, and the B outlet flow measuring point 21 is arranged on the flue section between the B chimney inlet adjusting door 17 and the chimney 3.
The working principle of one embodiment of the utility model is as follows: when the integrated desulfurization system works, an A inlet flow measurement point 10 monitors the amount of flue gas entering a first-machine desulfurization tower 1 in real time, a B inlet flow measurement point monitors the amount of flue gas entering a second-machine desulfurization tower 2 in real time, and when the total amount of the flue gas of the first-machine desulfurization tower 1 and the second-machine desulfurization tower 2 does not exceed 50% of the load, an A flue gas inlet door 11 of the first-machine desulfurization tower 1 is opened, a B flue gas inlet door 13 of the second-machine desulfurization tower 2 is closed, an A flue gas outlet door 14 of the first-machine desulfurization tower 1 is opened, an A chimney inlet adjusting door 15 is opened, an outlet flue gas communication door 19 is closed, an inlet flue gas communication door 18 is opened, and flue gas of two units enters the first-machine desulfurization tower 1 for desulfurization; the desulfurized flue gas is discharged to a chimney through a flue gas outlet door 14A and a chimney inlet adjusting door 15A; when a flue in which an A chimney inlet adjusting door 15 is located is stopped, a B flue gas outlet door 16 can be closed, a B chimney inlet adjusting door 17 is opened, an outlet flue gas communication door 19 is opened, the A chimney inlet adjusting door 15 is closed, flue gas desulfurized by a first desulfurization tower 1 passes through the outlet flue gas communication door 19, the B chimney inlet adjusting door 17 is discharged to a chimney, when the total amount of flue gas of the first desulfurization tower 1 and a second desulfurization tower 2 exceeds 50% of load, an inlet flue gas communication door 18 and an outlet flue gas communication door 19 are closed, an A flue gas inlet door 11, an A flue gas outlet door 14 and an A chimney inlet adjusting door 15 are opened, a B flue gas inlet door 13, a B flue gas outlet door 16 and the B chimney inlet adjusting door 17 are opened simultaneously, the first desulfurization tower 1 and the second desulfurization tower 2 operate simultaneously, and the operation mode of a single furnace and a single tower is realized.
Claims (7)
1. The utility model provides a low-load desulfurization economizer system, includes a quick-witted desulfurizing tower (1), No. two quick-witted desulfurizing tower (2) and chimney (3), its characterized in that, the entrance of a quick-witted desulfurizing tower (1) is connected with A flue (4), and the entrance of No. two quick-witted desulfurizing tower (2) is connected with B flue (5), and a quick-witted desulfurizing tower (1) exit is connected with chimney (3) flue, and No. two quick-witted desulfurizing tower (2) exit is connected with chimney (3) flue, is provided with C flue (6) between A flue (4) and B flue (5).
2. The low-load desulfurization energy-saving system according to claim 1, wherein a D flue (7) is arranged between the outlet of the first desulfurization tower (1) and the chimney (3), an E flue (8) is arranged between the outlet of the second desulfurization tower (2) and the chimney (3), and an F flue (9) is arranged between the D flue (7) and the E flue (8).
3. A low-load desulfurization energy-saving system according to claim 1, characterized in that an a inlet flow measurement point (10) and an a flue gas inlet door (11) are arranged on the a flue (4), the a flue gas inlet door (11) is arranged at one end close to the inlet of the first-machine desulfurization tower (1), one end of the C flue (6) is connected to the flue section between the a inlet flow measurement point (10) and the a flue gas inlet door (11), the B flue (5) is provided with a B inlet flow measurement point (12) and a B flue gas inlet door (13), the B flue gas inlet door (13) is arranged at one end close to the inlet of the second-machine desulfurization tower (2), and the other end of the C flue (6) is connected to the flue section between the B inlet flow measurement point (12) and the B flue gas inlet door (13).
4. A low-load desulfurization energy-saving system according to claim 2, characterized in that the D flue (7) is provided with an a flue gas outlet door (14) and an a chimney inlet adjusting door (15), the a chimney inlet adjusting door (15) is arranged at one end close to the chimney (3), one end of the F flue (9) is connected to the flue section between the a flue gas outlet door (14) and the a chimney inlet adjusting door (15), the E flue (8) is provided with a B flue gas outlet door (16) and a B chimney inlet adjusting door (17), the B chimney inlet adjusting door (17) is arranged at one end close to the chimney (3), and the other end of the F flue (9) is connected to the flue section between the B flue gas outlet door (16) and the B chimney inlet adjusting door (17).
5. A low load desulfurization energy saving system according to claim 1, characterized in that, the C flue (6) is provided with an inlet flue gas connection door (18).
6. A low-load desulfurization energy-saving system according to claim 2, characterized in that the F flue (9) is provided with an outlet flue gas connection door (19).
7. A low-load desulfurization energy-saving system according to claim 2, characterized in that the D flue (7) is further provided with an a outlet flow measurement point (20), the a outlet flow measurement point (20) is disposed on the flue section between the a chimney inlet adjusting gate (15) and the chimney (3), the E flue (8) is further provided with a B outlet flow measurement point (21), and the B outlet flow measurement point (21) is disposed on the flue section between the B chimney inlet adjusting gate (17) and the chimney (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123026626.4U CN216964102U (en) | 2021-12-03 | 2021-12-03 | Low-load desulfurization energy-saving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123026626.4U CN216964102U (en) | 2021-12-03 | 2021-12-03 | Low-load desulfurization energy-saving system |
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| CN216964102U true CN216964102U (en) | 2022-07-15 |
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| CN202123026626.4U Active CN216964102U (en) | 2021-12-03 | 2021-12-03 | Low-load desulfurization energy-saving system |
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