Flue gas dust removal device for coking furnace
By using wet activated carbon and reservoir in the flue gas dust removal device of the coking furnace for multiple treatments, the problem of poor dust removal effect of the existing equipment is solved, and the thorough filtration of dust in the flue gas is achieved and the dust removal effect is improved.
Patent Information
- Application Number
- CN202421228588.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-31
AI Technical Summary
When dust removal of dust removal devices in existing coking furnaces, the contact time between the spray liquid and the flue gas is short, resulting in the inability to fully wet the dust in the flue gas and the dust removal effect is poor.
Wet activated carbon is used for the initial treatment of soot, and the secondary treatment is performed through the reservoir, and finally the third treatment is performed through the sprayer to thoroughly filter the smoke in the exhaust gas.
Through multiple treatments, the dust removal effect is significantly improved, ensuring that the dust in the flue gas is completely filtered, thereby enhancing the practicality of the device.
Smart Images
Figure CN222550510U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dust removal device accessories, in particular to a flue gas dust removal device for a coking furnace. Background Art
[0002] As we all know, a coking plant is a professional factory that specializes in the production of metallurgical coke and the smelting, processing and recycling of coking products. The atmospheric pollutants emitted from the coke oven chimney are the waste gas generated after the combustion of coke oven gas, mainly sulfur dioxide and smoke. The tail flue gas of the coking furnace flows through the tail flue and is directly discharged through the chimney. There are a lot of dust and harmful gases such as sulfide gas remaining in the flue gas. If it is directly discharged, it will cause pollution to the environment.
[0003] At present, the treatment of sulfur dioxide, that is, smoke, is mostly carried out through a dust removal device, and then the sulfur dioxide is treated through a battery desulfurization network. However, when the existing dust removal device is performing dust removal, the contact time between the spray liquid and the flue gas is short, resulting in the dust in the flue gas cannot be fully wetted, the dust removal is not thorough, and the dust removal effect is poor. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a flue gas dust removal device for a coking furnace, which can perform preliminary treatment of smoke dust through wet activated carbon, and then perform secondary treatment through a water reservoir, and finally perform tertiary treatment through a sprayer, so as to thoroughly filter the smoke dust in the exhaust gas, thereby improving the dust removal effect and thus enhancing the practicality.
[0005] The utility model discloses a flue gas dust removal device for a coking furnace, comprising a dust collector body, an air outlet is arranged at the top of the dust collector body, four groups of legs are arranged at the bottom of the dust collector body, a water outlet is arranged at the bottom of the dust collector body, a first chamber is arranged inside the dust collector body, an exhaust assembly is arranged at the top of the first chamber, a reinforced dust removal assembly is arranged in the middle of the first chamber, the right end of the dust collector body is connected to an activated carbon filter group, a second water inlet pipe is arranged at the left end of the dust collector body, the activated carbon assembly comprises a preliminary dust collector and a water storage box, the left end of the preliminary dust collector is connected to the dust collector The main body is connected, four groups of supporting columns are arranged at the bottom end of the preliminary dust collector, a second chamber is arranged inside the preliminary dust collector, a cover assembly is arranged at the top end of the preliminary dust collector, an exhaust duct is arranged on the cover assembly, the left end of the exhaust duct is sealed and inserted into the first chamber, the left and right ends of the second chamber are connected to the water storage box, six groups of first nozzles are arranged at the bottom end of the water storage box, a first water inlet pipe is arranged at the right end of the water storage box, the first water inlet pipe seals and passes through the right end of the preliminary dust collector, an activated carbon dust removal assembly is arranged in the middle of the second chamber, and an air inlet pipe is arranged at the right end of the preliminary dust collector.
[0006] Preferably, the cover plate assembly includes a cover plate and four groups of first screws. Four groups of mounting threaded holes are arranged at the top of the preliminary dust collector. Four groups of mounting through holes are arranged at the top of the cover plate. The four groups of first screws are threadedly connected with the mounting threaded holes through the mounting through holes respectively. A second through opening is arranged at the top of the cover plate, and the second through opening is connected to the exhaust duct set.
[0007] Preferably, the enhanced dust removal assembly includes a spray pipe, two groups of support blocks, a screen and four groups of second screws. The spray pipe is sealed and inserted into the first chamber. Four groups of second nozzles are arranged at the bottom end of the spray pipe. The left and right ends of the first chamber are respectively connected to the support blocks. Two groups of fixed threaded holes are respectively arranged at the top ends of the two groups of support blocks. Four groups of fixed through holes are arranged at the top ends of the screen. The four groups of second screws are threadedly connected to the fixed threaded holes through the fixed through holes. A first through opening is arranged at the top ends of the screen, and the first through opening is slidably fitted to the exhaust pipe.
[0008] Preferably, the exhaust assembly includes a support frame, a fan motor and fan blades, the bottom end of the first chamber is connected to the support frame, a cross bracket is provided on the inner wall of the support frame, the top end of the cross bracket is connected to the fan motor, the output end bearing seal of the fan motor passes through the bottom end of the cross bracket, and the output end of the fan motor is connected to the fan blades.
[0009] Preferably, a protective net is provided at the inner end of the bottom of the air outlet.
[0010] Preferably, a solenoid valve is provided at the right end of the water outlet.
[0011] Preferably, the bottom ends of the four groups of legs are respectively provided with stabilizing pads.
[0012] Preferably, the four groups of mounting through holes are configured as countersunk holes.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: first, the preliminary dust collector and the dust collector body are placed in appropriate positions, and then water is injected into the bottom of the first chamber, the water storage box and the spray pipe through two sets of water inlet pipes, and then the second nozzle will spray to filter a certain amount of dust, and the first nozzle will spray a small amount on the surface of the activated carbon, and then when the flue gas enters the second chamber, it will first pass through the activated carbon dust removal component, and will evaporate part of the moisture on the activated carbon, and the first nozzle will continue to spray the dust and the activated carbon dust removal component to prevent the activated carbon dust removal component from catching fire during the dust removal process, and then the preliminarily dust-removed flue gas is discharged into the water at the bottom of the first chamber through the exhaust pipe for a second dust filtration, and then the third dust filtration is carried out through the enhanced dust removal component, so as to thoroughly filter and remove the dust in the flue gas, and then the exhaust component will quickly discharge the air in the first chamber, so as to thoroughly filter the smoke in the exhaust gas, thereby improving the dust removal effect, and thus enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the connection structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the connection structure between the support frame and the first chamber of the utility model;
[0016] Figure 3 It is a schematic diagram of the enlarged structure of the A part of the utility model;
[0017] Figure 4 It is a schematic diagram of the enlarged structure of the B part of the utility model;
[0018] Markings in the attached figure: 1. dust collector; 2. air outlet; 3. water outlet; 4. preliminary dust collector; 5. water storage box; 6. first nozzle; 7. first water inlet pipe; 8. activated carbon dust removal assembly; 9. air inlet pipe; 10. support column; 11. exhaust duct; 12. cover plate; 13. first screw; 14. spray pipe; 15. second nozzle; 16. support block; 17. blocking net; 18. second screw; 19. support frame; 20. cross bracket; 21. fan motor; 22. fan blades; 23. protective net; 24. solenoid valve; 25. stabilizing pad; 30. first chamber; 31. second chamber; 32. support leg; 33. second water inlet pipe. DETAILED DESCRIPTION
[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0020] like Figures 1 to 4As shown, a flue gas dust removal device for a coking furnace of the utility model comprises a dust collector body 1, a gas outlet 2 is arranged at the top of the dust collector body 1, four groups of legs 32 are arranged at the bottom of the dust collector body 1, a water outlet 3 is arranged at the bottom of the dust collector body 1, a first chamber 30 is arranged inside the dust collector body 1, an exhaust assembly is arranged at the top of the first chamber 30, a reinforced dust removal assembly is arranged in the middle of the first chamber 30, the right end of the dust collector body 1 is connected to the activated carbon filter group, the left end of the dust collector body 1 is provided with a second water inlet pipe 33, and the activated carbon assembly comprises a preliminary The dust collector 4 and the water storage box 5, the left end of the preliminary dust collector 4 is connected to the dust collector body 1, the bottom end of the preliminary dust collector 4 is provided with four groups of support columns 10, the interior of the preliminary dust collector 4 is provided with a second chamber 31, the top of the preliminary dust collector 4 is provided with a cover assembly, the cover assembly is provided with an exhaust pipe 11, the left end of the exhaust pipe 11 is sealed and inserted into the first chamber 30, the left and right ends of the second chamber 31 are connected to the water storage box 5, the bottom end of the water storage box 5 is provided with six groups of first nozzles 6, the right end of the water storage box 5 is provided with a first water inlet pipe 7, the first water inlet pipe 7 is sealed through The right end of the preliminary dust collector 4 is out, and the middle of the second chamber 31 is provided with an activated carbon dust removal component 8, and the right end of the preliminary dust collector 4 is provided with an air inlet pipe 9; first, the preliminary dust collector and the dust collector body are placed in a suitable position, and then water is injected into the bottom of the first chamber, the water storage box and the spray pipe through two sets of water inlet pipes, and then the second nozzle will spray to filter a certain amount of dust, and the first nozzle will spray a small amount on the surface of the activated carbon, and then when the flue gas enters the second chamber, it will first pass through the activated carbon dust removal component and evaporate a part of the activated carbon. Moisture, and the first nozzle will continuously spray the dust and activated carbon dust removal components to prevent the activated carbon dust removal components from catching fire during the dust removal process. The smoke from the initial dust removal is then discharged into the water at the bottom of the first chamber through the exhaust pipe for a second dust filtration. The third dust filtration is then performed through the enhanced dust removal component to thoroughly filter and remove the dust in the smoke. The exhaust component will then quickly discharge the air in the first chamber to thoroughly filter the smoke in the exhaust gas, thereby improving the dust removal effect and thus enhancing practicality.
[0021] As a preferred embodiment of the above embodiment, the cover plate assembly includes a cover plate 12 and four groups of first screws 13. Four groups of mounting threaded holes are arranged at the top of the preliminary dust collector 4, and four groups of mounting through holes are arranged at the top of the cover plate 12. The four groups of first screws 13 are threadedly connected with the mounting threaded holes through the mounting through holes respectively; the cover plate can be installed and disassembled by the four groups of first screws, thereby facilitating the replacement of the activated carbon dust removal assembly in the second chamber, thereby enhancing practicality.
[0022] As a preferred embodiment of the above embodiment, the enhanced dust removal assembly includes a spray pipe 14, two groups of support blocks 16, a screen 17 and four groups of second screws 18. The spray pipe 14 is sealed and inserted into the first chamber 30. Four groups of second nozzles 15 are arranged at the bottom end of the spray pipe 14. The left and right ends of the first chamber 30 are respectively connected to the support blocks 16. Two groups of fixed threaded holes are respectively arranged at the tops of the two groups of support blocks 16. Four groups of fixed through holes are arranged at the top of the screen 17. The four groups of second screws 18 are respectively threadedly connected to the fixed threaded holes through the fixed through holes. A first through opening is arranged at the top of the screen 17, and the first through opening is slidably fitted on the exhaust pipe 11. The four groups of second nozzles on the spray pipe can be used to perform the final dust removal and filtration of the flue gas in the chamber, and the contact area between water droplets and dust can be increased by the screen, thereby enhancing practicality.
[0023] As a preferred embodiment of the above embodiment, the exhaust component includes a support frame 19, a fan motor 21 and a fan blade 22. The bottom end of the first chamber 30 is connected to the support frame 19. A cross bracket 20 is provided on the inner wall of the support frame 19. The top of the cross bracket 20 is connected to the fan motor 21. The output end bearing seal of the fan motor 21 passes through the bottom end of the cross bracket 20, and the output end of the fan motor 21 is connected to the fan blade 22. The fan motor can be used to drive the fan blade to accelerate the circulation of air in the chamber, thereby quickly discharging the filtered air, thereby enhancing practicality.
[0024] As a preference of the above embodiment, a protective net 23 is provided at the inner end of the bottom of the air outlet 2; debris can be prevented from entering the chamber through the air outlet pipe through the protective net, thereby enhancing practicality.
[0025] As a preference of the above embodiment, a solenoid valve 24 is provided at the right end of the water outlet 3; the water outlet can be controlled by the solenoid valve, thereby enhancing practicality.
[0026] As a preference of the above embodiment, the bottom ends of the four groups of legs 32 are respectively provided with stabilizing pads 25 ; the four groups of stabilizing pads can enhance the friction force and contact area of the bottom ends of the four groups of legs, thereby enhancing practicality.
[0027] As a preference of the above embodiment, the four groups of mounting through holes are configured as countersunk holes; the four groups of first screws can be hidden through the countersunk holes, so as to maintain the beauty of the device and protect the four groups of first screws, thereby enhancing practicality.
[0028] The utility model discloses a flue gas dust removal device for a coking furnace, and its working principle is that when it is working, the preliminary dust collector and the dust collector body are first placed in a suitable position, and then water is injected into the bottom of the first chamber, the water storage box and the spray pipe through two sets of water inlet pipes, and then the second nozzle will spray to filter a certain amount of dust, and the first nozzle will spray a small amount on the surface of the activated carbon, and then when the flue gas enters the second chamber, it will first pass through the activated carbon dust removal component and evaporate part of the water on the activated carbon, and the first nozzle will continue to spray the dust and the activated carbon dust removal component to prevent During the process, the activated carbon dust removal component will catch fire, and then the flue gas with preliminary dust removal will be discharged into the water at the bottom of the first chamber through the exhaust pipe for the second dust filtration. After that, the flue gas in the chamber will be filtered for the last time through the four groups of second nozzles on the spray pipe, and the contact area between water droplets and dust can be increased through the blocking net to thoroughly filter and remove the dust in the flue gas. Then the exhaust component will quickly discharge the air in the first chamber. Finally, when the equipment is maintained, the drain port is opened through the solenoid valve to discharge the sewage in the equipment and replace it with new water to filter the smoke again.
[0029] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
[0030] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.
[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A flue gas dust removal device for a coking furnace, comprising a dust collector body (1), a gas outlet (2) being arranged at the top of the dust collector body (1), four groups of legs (32) being arranged at the bottom of the dust collector body (1), a water outlet (3) being arranged at the bottom of the dust collector body (1), a first chamber (30) being arranged inside the dust collector body (1), an exhaust assembly being arranged at the top of the first chamber (30), a reinforced dust removal assembly being arranged in the middle of the first chamber (30), a second water inlet pipe (33) being arranged at the left end of the dust collector body (1), characterized in that: The activated carbon assembly comprises a preliminary dust collector (4) and a water storage box (5). The left end of the preliminary dust collector (4) is connected to the dust collector body (1). The bottom end of the preliminary dust collector (4) is provided with four groups of support columns (10). The interior of the preliminary dust collector (4) is provided with a second chamber (31). The top end of the preliminary dust collector (4) is provided with a cover assembly. The cover assembly is provided with an exhaust pipe (11). The left end of the exhaust pipe (11) is sealed and inserted into the first chamber (30). The left and right ends of the second chamber (31) are connected to the water storage box (5). The bottom end of the water storage box (5) is provided with six groups of first nozzles (6). The right end of the water storage box (5) is provided with a first water inlet pipe (7). The first water inlet pipe (7) is sealed and passes through the right end of the preliminary dust collector (4). The middle part of the second chamber (31) is provided with an activated carbon dust removal assembly (8). The right end of the preliminary dust collector (4) is provided with an air inlet pipe (9).
2. A flue gas dust removal device for a coking furnace as claimed in claim 1, characterized in that: The cover plate assembly comprises a cover plate (12) and four groups of first screws (13); the top of the preliminary dust collector (4) is provided with four groups of mounting threaded holes; the top of the cover plate (12) is provided with four groups of mounting through holes; the four groups of first screws (13) are respectively threadedly connected to the mounting threaded holes through the mounting through holes; the top of the cover plate (12) is provided with a second through opening; the second through opening is sleeve-connected to the exhaust duct (11).
3. A flue gas dust removal device for a coking furnace as claimed in claim 2, characterized in that: The enhanced dust removal component comprises a spray pipe (14), two groups of support blocks (16), a blocking net (17) and four groups of second screws (18); the spray pipe (14) is sealed and inserted into the first chamber (30); four groups of second nozzles (15) are arranged at the bottom end of the spray pipe (14); the left end and the right end of the first chamber (30) are respectively connected to the support block (16); the top ends of the two groups of support blocks (16) are respectively provided with two groups of fixed threaded holes; the top end of the blocking net (17) is provided with four groups of fixed through holes; the four groups of second screws (18) are respectively threadedly connected to the fixed threaded holes through the fixed through holes; the top end of the blocking net (17) is provided with a first through hole; the first through hole is slidably fitted with the exhaust pipe (11).
4. A flue gas dust removal device for a coking furnace as claimed in claim 3, characterized in that: The exhaust assembly comprises a support frame (19), a fan motor (21) and a fan blade (22); the bottom end of the first chamber (30) is connected to the support frame (19); a cross bracket (20) is arranged on the inner wall of the support frame (19); the top end of the cross bracket (20) is connected to the fan motor (21); the output end bearing seal of the fan motor (21) passes through the bottom end of the cross bracket (20); and the output end of the fan motor (21) is connected to the fan blade (22).
5. A flue gas dust removal device for a coking furnace as claimed in claim 4, characterized in that: A protective net (23) is provided at the inner end of the bottom of the air outlet (2).
6. A flue gas dust removal device for a coking furnace as claimed in claim 5, characterized in that: A solenoid valve (24) is provided at the right end of the water outlet (3).
7. A flue gas dust removal device for a coking furnace as claimed in claim 6, characterized in that: The bottom ends of the four groups of legs (32) are respectively provided with stabilizing pads (25).
8. A flue gas dust removal device for a coking furnace as claimed in claim 7, characterized in that: The four groups of mounting through holes are configured as countersunk holes.