CN216115450U - Main electric inlet flue gas processing hoisting device - Google Patents
Main electric inlet flue gas processing hoisting device Download PDFInfo
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- CN216115450U CN216115450U CN202121963810.9U CN202121963810U CN216115450U CN 216115450 U CN216115450 U CN 216115450U CN 202121963810 U CN202121963810 U CN 202121963810U CN 216115450 U CN216115450 U CN 216115450U
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- main electric
- inlet flue
- flue
- flue gas
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Abstract
The utility model discloses a main electric inlet flue gas processing and lifting device. Belonging to the field of metallurgy temperature raising process. The device comprises a main electric inlet flue and an airflow distribution device, wherein a heating plate and a power-on device which are connected are arranged inside the main electric inlet flue; and an air flow distribution plate and air flow holes are arranged in the air flow distribution device. In the utility model, when the sintering machine is started, the temperature of the flue at the main electric inlet is lower than the dew point temperature, so that the main electric ash bucket and polar plate polar wires are seriously corroded, and the influence on a desulfurization dust collector and a cloth bag is large; in addition, the utility model is suitable for places with higher requirements on the temperature of the inlet flue gas by the whole system, is suitable for a combined system of sintering electric precipitation and desulfurization and denitrification flue gas treatment, and plays a decisive role in equipment maintenance.
Description
Technical Field
The utility model belongs to the field of an iron-making sintering temperature raising process, and particularly relates to a sintering main electricity (hereinafter referred to as main electricity) inlet flue gas processing and lifting device.
Background
With the progress of sintering technology in China, the requirement on the emission of environmental protection indexes is higher and higher. In the sintering process, a sintering over-wet layer exists after the machine is started, the temperature of flue gas cannot meet the production requirement required by desulfurization, the power plant and an ash bucket are seriously corroded at low temperature, and meanwhile, the bag of a desulfurization dust collector is greatly damaged at low temperature; threatens the stable operation of environmental protection facilities, and the discharge index of an outlet cannot be effectively controlled, so that how to solve the problems becomes a problem to be considered by technicians.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a main electric inlet flue gas processing and lifting device.
The technical scheme is as follows: the main electric inlet flue gas processing and lifting device comprises a main electric inlet flue (1), wherein the main electric inlet flue (1) comprises a large flue (11) used for an airflow inlet and a flue pipe (12),
a plurality of heating plates (2) are arranged in parallel in the main electric inlet flue (1),
the heating plate is connected with a power-on device (3), and the heating plate (2) is connected with the power-on device (3).
Furthermore, a trumpet-shaped airflow distribution device (4) is arranged at the other end of the main electric inlet flue (1),
an airflow hole (42) is arranged inside the airflow distribution device (4),
an air flow distribution plate (41) is arranged at one end of the opening of the air flow distribution device (4) far away from the main electric inlet flue (1).
Furthermore, the flue pipe (12) is in a cuboid shape,
the large flue (11) is trumpet-shaped, and the end with the smaller opening is connected with the flue pipe (12).
Further, the air distribution plate (41) is arranged at one end close to the larger opening of the air distribution device (4), and the end with the smaller opening of the air distribution device (4) is connected to the other end of the flue pipe (12).
Furthermore, the electrifying device (3) is also connected to a power supply through a wire line.
Has the advantages that: compared with the prior art, the utility model improves the temperature of the main power inlet to protect the ash hopper and the power plant from being corroded, improves the temperature of the main power outlet to ensure the desulfurization efficiency and reduces the lime consumption; the temperature of the desulfurization outlet is also improved, the cloth bag and the dust remover are protected, the service life of the environmental protection facility is prolonged, and the discharge of the outlet is ensured to reach the standard.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1 is a main electric inlet flue, 11 is a large flue, 12 is a flue pipe, 2 is a heating plate, 3 is an energizing device, 4 is an air flow distribution device, 41 is an air flow distribution plate, and 42 is an air flow hole.
Detailed Description
The utility model is further described with reference to the following drawings and specific embodiments; in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in many ways different from those described herein, and similar modifications may be made by those skilled in the art without departing from the spirit of the present application, and the present application is therefore not limited to the specific implementations disclosed below.
As shown in fig. 1, the main electric inlet flue gas processing and lifting device of the present invention comprises a main electric inlet flue 1, wherein the main electric inlet flue 1 comprises a large flue 11 for air inlet and a flue pipe 12, and the air flow direction enters from the large flue 11 to the flue pipe 12;
a plurality of heating plates 2 are arranged in parallel in the main electric inlet flue 1,
the heating plate is also connected with a power-on device 3, and the heating plate 2 is connected with the power-on device 3;
specifically, a plurality of heating plates 2 which are arranged in parallel are arranged in the flue pipe 12, and the function of the heating plates is to facilitate airflow circulation and prevent foreign matters from being blocked; in addition, a power-on device 3 is arranged, the power-on device 3 can be arranged below the heating plate 2, and the heating plate 2 is connected with the power-on device 3 through a line, and the function of the power-on device is to facilitate the temperature rise inside the main electric inlet flue 1;
the heating plate 2 is heated to rise the ambient temperature, the temperature of the air flow is raised when the air flow passes through the heating plate 2, and the main electric inlet temperature is detected to control the heating temperature adjustment of the heating plate 2.
Furthermore, a trumpet-shaped airflow distribution device 4 is arranged at the other end of the main electric inlet flue 1,
an air flow hole 42 is provided in the interior of the air flow distribution means 4,
an air flow distribution plate 41 is arranged at one end of the opening of the air flow distribution device 4, which is far away from the main electric inlet flue 1.
Furthermore, the flue pipe 12 is in a cuboid shape,
the large flue 11 is trumpet-shaped, and the end with the smaller opening is connected with the flue pipe 12.
Further, the air distribution plate 41 is disposed near the end with the larger opening of the air distribution device 4, and the end with the smaller opening of the air distribution device 4 is connected to the other end of the flue pipe 12.
Furthermore, the energizing device 3 is connected to a power supply through a wire line.
Specifically, an electric heating device (a power-on device 3) is additionally arranged inside the main electric inlet flue 1, the device is started to heat inlet flue gas before starting up, the temperature requirement of the subsequent process is met, and the device is stopped after the temperature of the main electric inlet flue 1 meets the requirement, so that the power consumption is saved;
in addition, the inside of main electric inlet flue 1 is installed with electric heating board (a plurality of hot plate 2 of placing in parallel), and the effect of the hot plate 2 heating of circular telegram after the start-up is opened, and the temperature of hot plate 2 rises gradually, and the air current temperature rises after the air current passes through hot plate 2, and the inlet detection temperature of hot plate 2 temperature control according to main electric inlet flue 1 adjusts, treats its temperature after normal after the sintering production, closes circular telegram device 3.
In the utility model, an electric heating (electrifying device 3) heating device is arranged in a main electric inlet flue 1, and the electric heating is started after the sintering is started; 1. after the temperature control is improved, the corrosion of electric field equipment and an ash bucket is decisive, the desulfurization and denitrification in the next procedure are well protected, and a dust remover and a cloth bag are effectively protected; 2. the sintering temperature is abnormal and the temperature is compensated when the furnace is opened, so that the service lives of the cloth bag and the dust remover are prolonged to a great extent, and the stable operation of desulfurization and denitrification equipment is facilitated; 3. the corrosion of the dust remover and the corrosion of the ash bucket are both caused by the over-low starting temperature, and the technology reduces the corrosion of the equipment caused by the combination of sulfur dioxide in the flue gas and flue gas condensate water to the maximum extent.
In the utility model, the electric heating is started to increase the temperature of the flue gas to meet the requirement of desulfurization production, the electric heating device is closed when the temperature rises after the sintering production is normal, and the electric heating is started to increase the temperature until the temperature is closed according with the requirement because the abnormal temperature of the flue gas is lower than the temperature required by desulfurization during sintering. The technology is suitable for electric dust removal and cloth bag dust removal mixed dust collectors, and is particularly suitable for semidry desulfurization systems.
In the utility model, when the sintering machine is started, the temperature of the flue 1 at the main electric inlet is lower than the dew point temperature, so that the main electric ash bucket and polar plate polar wires are seriously corroded, and the influence on a desulfurization dust collector and a cloth bag is large; in addition, the utility model is suitable for places with higher requirement on the temperature of the inlet flue gas by the whole system, is suitable for a combined system of electric dust removal and cloth bag dust removal, and plays a decisive role in equipment maintenance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The main electric inlet flue gas processing and lifting device is characterized by comprising a main electric inlet flue (1), wherein the main electric inlet flue (1) comprises a large flue (11) used for an airflow inlet and a flue pipe (12),
a plurality of heating plates (2) are arranged in parallel in the main electric inlet flue (1),
the heating plate is connected with a power-on device (3), and the heating plate (2) is connected with the power-on device (3).
2. A main electric inlet flue gas processing lifting device according to claim 1, characterized in that a trumpet-shaped gas flow distribution device (4) is arranged at the other end of the main electric inlet flue (1),
an airflow hole (42) is arranged inside the airflow distribution device (4),
an air flow distribution plate (41) is arranged at one end of the opening of the air flow distribution device (4) far away from the main electric inlet flue (1).
3. The main electrical inlet flue gas processing lift device of claim 1,
the flue pipe (12) is in a cuboid shape,
the large flue (11) is trumpet-shaped, and the end with the smaller opening is connected with the flue pipe (12).
4. The main electrical inlet flue gas processing lift device of claim 2,
the air flow distribution plate (41) is arranged at one end close to the larger opening of the air flow distribution device (4), and the end with the smaller opening of the air flow distribution device (4) is connected with the other end of the flue pipe (12).
5. A main electrical inlet flue gas processing lift as defined in claim 1, wherein said energizing means (3) is further connected to an electrical power source by a wire line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121963810.9U CN216115450U (en) | 2021-08-20 | 2021-08-20 | Main electric inlet flue gas processing hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121963810.9U CN216115450U (en) | 2021-08-20 | 2021-08-20 | Main electric inlet flue gas processing hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216115450U true CN216115450U (en) | 2022-03-22 |
Family
ID=80727307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121963810.9U Active CN216115450U (en) | 2021-08-20 | 2021-08-20 | Main electric inlet flue gas processing hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216115450U (en) |
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2021
- 2021-08-20 CN CN202121963810.9U patent/CN216115450U/en active Active
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