CN113509829A - Copper smelting flue gas purification equipment - Google Patents
Copper smelting flue gas purification equipment Download PDFInfo
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- CN113509829A CN113509829A CN202110237523.8A CN202110237523A CN113509829A CN 113509829 A CN113509829 A CN 113509829A CN 202110237523 A CN202110237523 A CN 202110237523A CN 113509829 A CN113509829 A CN 113509829A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/268—Drying gases or vapours by diffusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
A copper smelting flue gas purification device comprises a bottom plate, a water tank and a purification tower, wherein a preheating insulation box is arranged on the left side of the upper end of the bottom plate, a rectangular through groove is formed in the left end of the preheating insulation box, a flue gas inlet pipe is embedded in the middle of the upper end of the preheating insulation box, the lower end of the flue gas inlet pipe penetrates through the preheating insulation box and is connected with an arc-shaped plate, a plurality of blowing heads are arranged at the lower end of the arc-shaped plate at equal intervals, a first transfer roller set is rotatably connected to the lower side inside the preheating insulation box, and a sliding plate is connected to the upper end of the first transfer roller set in a rolling mode; according to the invention, the ore is preheated by using the high-temperature flue gas, the energy consumption of copper smelting is reduced, the preheating is more uniform, the efficiency is higher, the heat exchange tubes and the heat exchange fins are used for efficient heat exchange, the water in the heating water tank is practical for production and life, the thermal pollution is avoided, the utilization rate of flue gas waste heat is high, meanwhile, acidic substances in the flue gas can be efficiently removed, the desulfurization efficiency is improved, and finally, the flue gas is subjected to adsorption filtration and then is discharged up to the standard, so that the environment is protected, and the energy is saved.
Description
Technical Field
The invention relates to the technical field of copper smelting waste gas treatment equipment, in particular to copper smelting flue gas purification equipment.
Background
Copper ore refers to a general term of a usable copper-containing natural mineral aggregate, copper ore is generally an aggregate formed by sulfide or oxide of copper and other minerals, and comprises native copper, chalcopyrite, chalcocite, tetrahedrite, chalcocite, malachite and the like.
At present, the treatment facility to copper smelting high temperature flue gas that has now is mostly once only carrying out desulfurization and cooling operation through the purge tower, because flue gas temperature is too high, the cooling effect is not good, and water waste is serious, and flue gas waste heat can't carry out diversified recycle simultaneously, and the copper ore is not directly smelted the energy consumption through preheating and is bigger, environmental protection and energy saving inadequately.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a copper smelting flue gas purification device, which preheats ores by using high-temperature flue gas, reduces the energy consumption of copper smelting, has more uniform preheating and higher efficiency, performs efficient heat exchange by using a heat exchange tube and a heat exchange fin, is practical in production and life by heating water in a water tank, avoids thermal pollution, has high utilization rate of flue gas waste heat, can efficiently remove acidic substances in the flue gas, improves the desulfurization efficiency, and finally achieves the emission standard after adsorption and filtration, thereby being environment-friendly and energy-saving.
(II) technical scheme
In order to solve the problems, the invention provides a copper smelting flue gas purification device, which comprises a bottom plate, a water tank and a purification tower, wherein a preheating insulation box is arranged on the left side of the upper end of the bottom plate, a rectangular through groove is arranged at the left end of the preheating insulation box, a flue gas inlet pipe is embedded in the middle of the upper end of the preheating insulation box, the lower end of the flue gas inlet pipe penetrates through the preheating insulation box and is connected with an arc-shaped plate, a plurality of blowing heads are arranged at equal intervals at the lower end of the arc-shaped plate, a first transfer roller set is rotatably connected to the lower side inside the preheating insulation box, a sliding plate is rotatably connected to the upper end of the first transfer roller set, a right vertical plate is arranged on the right side of the upper end of the sliding plate, the left part of the sliding plate penetrates through the rectangular through groove and extends out of the preheating insulation box, a left vertical plate is arranged on the left side of the upper end of the sliding plate and is positioned outside the preheating insulation box, the right end of the left vertical plate abuts against the preheating insulation box, a bearing seat is embedded in the center of the left end of the left vertical plate, and is connected with a rotating shaft, the right end of the rotating shaft penetrates through the bearing seat and is connected with a roller, the front side of the periphery of the roller is provided with a blanking bin door, the right end of the roller is rotatably connected with a right vertical plate through a rotating shaft, the left end of the rotating shaft is provided with a driven wheel, and the lower side of the left end of the left vertical plate is provided with a rotary power module;
the right side of the upper end of the bottom plate is provided with a water tank and a purification tower, the water tank is positioned on the left side of the purification tower, a heat exchange tube is arranged in the water tank, the bottom end in the purification tower is provided with a water tank, the bottom end in the water tank is provided with a hollow box, the upper end of the hollow box is provided with a plurality of aeration tubes, the lower side of the right end of the preheating insulation can is provided with a first connecting tube, the other end of the first connecting tube penetrates through the water tank and is connected with the heat exchange tube, the other end of the second connecting tube penetrates through the purification tower and is connected with the hollow box, the middle part of the purification tower is provided with a plurality of annular tubes, the circumferential surface of the annular tubes is provided with a plurality of atomizing nozzles at equal angles towards the centripetal side, the right edge of the upper end of the bottom plate is provided with a water pump, the front part of the water pump penetrates through the purification tower and is connected with the water tank through a liquid pumping tube, the upper part of the water pump is connected with a liquid pumping tube, the left side of the upper part of the liquid pumping tube is provided with a plurality of liquid feeding branch tubes respectively, the inside upside of purifying column is provided with hydrophobic ventilated membrane and active carbon filter pulp, and hydrophobic ventilated membrane is located active carbon filter pulp downside, and the purifying column top end is provided with the gas vent.
Preferably, the left side and the right side of the upper end of the arc-shaped plate are both provided with hanging rods, the upper ends of the hanging rods are both connected with a preheating insulation box, and the arc-shaped plate is of a hollow structure.
Preferably, the middle part of the lower end of the sliding plate is provided with a plurality of ventilation through holes.
Preferably, the rotary power module comprises a servo motor, a driving wheel and a synchronous belt, the left end of the servo motor is connected with the driving wheel through a motor shaft, and the driving wheel is connected with the driven wheel through the synchronous belt.
Preferably, the left side of the upper end of the bottom plate and the left side of the preheating insulation box are provided with a second movable roller wheel, the height of the second movable roller wheel is the same as that of the first movable roller wheel group, and the handle is arranged on the upper side of the left end of the left vertical plate.
Preferably, the heat exchange tube is a coiled tube, a plurality of heat exchange fins are sleeved in the middle of the heat exchange tube, a water adding pipe is arranged at the upper end of the water tank, and a water drain pipe is arranged on the lower side of the right end of the water tank.
Preferably, the annular pipe equals with the number of sending liquid branch pipe, all is three at least, and the annular pipe is parallel equidistant setting, and purification tower right part upside and downside all are provided with the access door.
Preferably, the working method of the copper smelting flue gas purification equipment comprises the following specific steps:
step one, opening a discharging bin door, filling copper ore materials into a roller, pushing a sliding plate to move right along a second moving roller wheel and a first transferring roller wheel group through a handle, and moving the roller into a preheating insulation box;
secondly, after high-temperature flue gas enters the arc-shaped plate through a flue gas inlet pipe, the high-temperature flue gas is uniformly blown on the roller through a blowing head, meanwhile, a servo motor drives a driving wheel to rotate, and a driven wheel and the roller are driven to slowly rotate through a synchronous belt;
thirdly, the flue gas enters the heat exchange tube through the ventilation through hole and the first connecting tube again, efficient heat exchange is carried out through the heat exchange tube and the heat exchange fins at the moment, water in the water tank is heated by utilizing waste heat, hot water is discharged through the drain pipe, and cold water is injected into the water adding pipe;
fourthly, the cooled flue gas enters the hollow box through a second connecting pipe, is sprayed out through the aeration pipe and carries out acid-base neutralization with alkaline solution in the water tank, then the water pump sends the alkaline solution in the water tank to the annular pipe through the liquid sending pipe and the liquid sending branch pipe through the liquid pumping pipe, and finally the alkaline solution is sprayed out through the atomization nozzle in an atomized mode and is fully contacted with the flue gas, so that acidic substances in the flue gas are further removed, and the environment pollution is avoided;
and fifthly, filtering moisture through a hydrophobic air-permeable membrane, further filtering and adsorbing through activated carbon filter cotton, discharging the air up to the standard through an exhaust port, adding alkali liquor into the access door, and replacing a filter screen.
The technical scheme of the invention has the following beneficial technical effects: the device is convenient to load and unload mineral aggregates and avoids heat emission, high-temperature smoke is used for preheating ores, the energy consumption of copper smelting is reduced, the preheating is more uniform, the preheating speed is higher, the efficiency is higher, after the smoke enters a heat exchange tube, efficient heat exchange is carried out through the heat exchange tube and a heat exchange plate, water in a water tank is heated by using waste heat, the device is convenient to produce and practical to live, energy is saved, environment is protected, thermal pollution to the environment is avoided, the cooled smoke is sprayed out through an aeration tube to be neutralized with alkaline solution in a water tank, then alkali liquor is pumped by a water pump to be atomized and sprayed out through an atomizing nozzle to be fully contacted with the smoke, acidic substances in the smoke are further removed, the desulfurization efficiency is improved, the environment is prevented from being polluted, finally, moisture is filtered through a hydrophobic air-permeable membrane, and after further filtration and adsorption are carried out through activated carbon filter cotton, up-to-standard air is discharged through an exhaust port, the access door adds alkali lye and changes the filter screen, and this device is high to the flue gas waste heat utilization ratio of copper smelting, and more thorough to gas cleaning, reaches environmental protection and energy-conserving purpose.
Drawings
FIG. 1 is a schematic structural view of a copper smelting flue gas purification device provided by the invention.
FIG. 2 is a cross-sectional view of an arc-shaped plate in the copper smelting flue gas purification equipment provided by the invention.
FIG. 3 is an enlarged view of A in the copper smelting flue gas purification apparatus provided by the present invention.
FIG. 4 is a top view of a ring pipe in the flue gas cleaning apparatus for copper metallurgy according to the present invention.
Reference numerals: 1. a base plate; 2. preheating the heat preservation box; 3. an arc-shaped plate; 4. a blowing head; 5. a flue gas inlet pipe; 6. a first transfer roller set; 7. a sliding plate; 8. a ventilation through hole; 9. a right vertical plate; 10. a left riser; 11. a bearing seat; 12. a rotating shaft; 13. a drum; 14. a feeding bin gate; 15. a driven wheel; 16. a servo motor; 17. a driving wheel; 18. a synchronous belt; 19. a handle; 20. a second mobile roller renting; 21. a water tank; 22. a heat exchange pipe; 23. a heat exchanger fin; 24. a water feeding pipe; 25. a drain pipe; 26. a purification tower; 27. a water tank; 28. a hollow box; 29. an aeration pipe; 30. a first connecting pipe; 31. a second connecting pipe; 32. an annular tube; 33. an atomizing spray head; 34. a water pump; 35. a liquid pumping pipe; 36. a liquid delivery pipe; 37. a liquid feeding branch pipe; 38. an access door; 39. a hydrophobic, breathable film; 40. activated carbon filter cotton; 41. and (7) an exhaust port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in figures 1-4, the invention provides a copper smelting flue gas purification device, which comprises a bottom plate 1, a water tank 21 and a purification tower 26, wherein a preheating insulation box 2 is arranged on the left side of the upper end of the bottom plate 1, a rectangular through groove is arranged on the left end of the preheating insulation box 2, a flue gas inlet pipe 5 is embedded in the middle of the upper end of the preheating insulation box 2, the lower end of the flue gas inlet pipe 5 penetrates through the preheating insulation box 2 and is connected with an arc-shaped plate 3, a plurality of blowing heads 4 are arranged at equal intervals on the lower end of the arc-shaped plate 3, hanging rods are arranged on the left side and the right side of the upper end of the arc-shaped plate 3, the upper ends of the hanging rods are connected with the preheating insulation box 2, the arc-shaped plate 3 is arranged in a hollow structure, a first transfer roller set 6 is rotatably connected on the lower side inside the preheating insulation box 2, a sliding plate 7 is rotatably connected on the upper end of the first transfer roller set 6, a plurality of air through holes 8 are arranged in the middle of the lower end of the sliding plate 7, a right vertical plate 9 is arranged on the upper end of the sliding plate 7, the left part of the sliding plate 7 penetrates through the rectangular through groove and extends out of the preheating insulation box 2, and a left vertical plate 10 is arranged on the left side of the upper end of the sliding plate 7 and located outside the preheating insulation box 2;
the right end of a left vertical plate 10 is abutted against a preheating insulation box 2, a bearing seat 11 is embedded in the center of the left end of the left vertical plate 10, the bearing seat 11 is rotatably connected with a rotating shaft 12, the right end of the rotating shaft 12 penetrates through the bearing seat 11 and is connected with a roller 13, a feeding bin door 14 is arranged on the front side of the periphery of the roller 13, the right end of the roller 13 is rotatably connected with a right vertical plate 9 through a rotating shaft, a driven wheel 15 is arranged at the left end of the rotating shaft 12, a rotary power module is arranged at the lower side of the left end of the left vertical plate 10 and comprises a servo motor 16, the left end of the servo motor 16 is connected with the driving wheel 17 through a motor shaft, the driving wheel 17 is connected with the driven wheel 15 through the synchronous belt 18, a second movable roller wheel 20 is arranged on the left side of the upper end of the bottom plate 1 and on the left side of the preheating insulation can 2, the height of the second movable roller wheel 20 is the same as that of the first transfer roller wheel group 6, and a handle 19 is arranged on the upper side of the left end of the left vertical plate 10;
a water tank 21 and a purification tower 26 are arranged on the right side of the upper end of the bottom plate 1, the water tank 21 is positioned on the left side of the purification tower 26, a heat exchange pipe 22 is arranged in the water tank 21, the heat exchange pipe 22 is a coiled pipe, a plurality of heat exchange fins 23 are sleeved in the middle of the heat exchange pipe 22, a water feeding pipe 24 is arranged at the upper end of the water tank 21, a water discharging pipe 25 is arranged on the lower side of the right end of the water tank 21, a water tank 27 is arranged at the bottom end in the purification tower 26, a plurality of aeration pipes 29 are arranged at the upper end of a hollow box 28 arranged at the bottom end in the water tank 27, a first connecting pipe 30 is arranged on the lower side of the right end of the preheating insulation box 2, the other end of the first connecting pipe 30 penetrates through the water tank 21 to be connected with the heat exchange pipe 22, the other end of the heat exchange pipe 22 is connected with a second connecting pipe 31, and the other end of the second connecting pipe 31 penetrates through the purification tower 26 to be connected with the hollow box 28;
a plurality of annular pipes 32 are arranged in the middle of the purification tower 26, a plurality of atomizing nozzles 33 are arranged on the circumferential surface of the annular pipe 32 at equal angles to the centripetal side, a water pump 34 is arranged at the right side edge of the upper end of the bottom plate 1, the front part of the water pump 34 penetrates through the purification tower 26 through a liquid pumping pipe 35 to be connected with the water tank 27, a liquid feeding pipe 36 is connected to the upper part of the water pump 34, a plurality of liquid feeding branch pipes 37 are arranged on the left side of the upper part of the liquid feeding pipe 36, the other ends of the liquid feeding branch pipes 37 are respectively connected with the annular pipe 32, the annular pipe 32 and the liquid feeding branch pipes 37 are equal in number and at least three in number, the annular pipes 32 are arranged in parallel and at equal intervals, maintenance bin doors 38 are arranged on the upper side and the lower side of the right part of the purification tower 26, a hydrophobic breathable film 39 and an active carbon filter cotton 40 are arranged on the upper side of the interior of the purification tower 26, the hydrophobic breathable film 39 is positioned on the lower side of the active carbon filter cotton 40, and an exhaust port 41 is arranged at the top end of the purification tower 26;
the working method of the copper smelting flue gas purification equipment comprises the following specific steps:
step one, opening a blanking bin door 14 to load copper ore materials into a roller 13, and then pushing a sliding plate 7 to move right along a second moving roller wheel set 20 and a first moving roller wheel set 6 through a handle 19 to enable the roller 13 to move into a preheating insulation box 2;
secondly, after high-temperature flue gas enters the arc-shaped plate 3 through the flue gas inlet pipe 5, the high-temperature flue gas is uniformly blown on the roller 13 through the blowing head 4, meanwhile, the servo motor 16 drives the driving wheel 17 to rotate, and the driven wheel 15 and the roller 13 are driven to slowly rotate through the synchronous belt 18;
thirdly, the flue gas enters the heat exchange tube 22 through the ventilation through hole 8 and the first connecting tube 30 again, at the moment, efficient heat exchange is carried out through the heat exchange tube 22 and the heat exchange fins 23, the water in the water tank 21 is heated by using waste heat, the hot water is discharged through the water discharging tube 25, and cold water is injected into the water adding tube 24;
step four, the cooled flue gas enters the hollow box 28 through the second connecting pipe 31, is sprayed out through the aeration pipe 29 and is subjected to acid-base neutralization with alkaline solution in the water tank 27, then the water pump 34 sends the alkaline solution in the water tank 27 to the annular pipe 32 through the liquid sending pipe 36 and the liquid sending branch pipe 37 through the liquid pumping pipe 35, and finally the alkaline solution is sprayed out through the atomizing nozzle 33 in an atomizing mode and is fully contacted with the flue gas, so that acidic substances in the flue gas are further removed, and the environment pollution is avoided;
and step five, finally, filtering moisture through a hydrophobic air-permeable membrane 39, further filtering and adsorbing through activated carbon filter cotton 40, discharging the air up to the standard through an exhaust port 41, and adding alkali liquor and replacing a filter screen into the access door 38.
The working principle of the invention is as follows: during operation, the blanking bin door 14 is opened to fill copper mineral materials into the roller 13, then the sliding plate 7 is pushed by the handle 19 to move right along the second movable roller group 20 and the first transfer roller group 6, so that the roller 13 moves into the preheating insulation box 2, similarly, the sliding plate 7 is pulled out by the handle 19 to replace the mineral materials, at the moment, the left end of the right vertical plate 9 abuts against the preheating insulation box 2 to block the rectangular through groove, heat emission is avoided, energy is saved, high-temperature flue gas enters the arc-shaped plate 3 through the flue gas inlet pipe 5 and then is uniformly blown on the roller 13 through the blowing head 4, meanwhile, the servo motor 16 drives the driving wheel 17 to rotate, and drives the driven wheel 15 and the roller 13 to slowly rotate through the synchronous belt 18, and therefore, most of the mineral materials can be uniformly preheated, the preheating speed is higher, and the efficiency is higher;
the flue gas enters the heat exchange tube 22 through the ventilation through hole 8 and the first connecting tube 30 again, at the moment, efficient heat exchange is carried out through the heat exchange tube 22 and the heat exchange plate 23, water in the water tank 21 is heated by utilizing waste heat, the production and the life are convenient to use, energy conservation and environmental protection are realized, thermal pollution to the environment is also avoided, hot water is discharged through the drain tube 25, cold water is injected into the water adding tube 24, the cooled flue gas enters the hollow box 28 through the second connecting tube 31, the flue gas is sprayed out through the aeration tube 29 to be neutralized with alkaline solution in the water tank 27 in acid-base, then the water pump 34 sends alkaline solution in the water tank 27 to the annular tube 32 through the liquid sending tube 36 and the liquid sending branch tube 37 through the liquid pumping tube 35, finally, the alkaline solution is atomized and sprayed out through the atomizing nozzle 33 and is fully contacted with the flue gas, acidic substances in the flue gas are further removed, the desulfurization efficiency is improved, the environment pollution is avoided, and finally moisture is filtered through the hydrophobic ventilation film 39, the air up to standard is discharged through the exhaust port 41 after the activated carbon filter cotton 40 is used for further filtering and adsorption, the access door 38 is added with alkali liquor and the filter screen is replaced, the device has high utilization rate of the waste heat of the flue gas generated by copper smelting, the flue gas is purified more thoroughly, and the purposes of environmental protection and energy conservation are achieved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A copper smelting flue gas purification device is characterized by comprising a bottom plate (1), a water tank (21) and a purification tower (26); the left side of the upper end of the bottom plate (1) is provided with a preheating insulation box (2), the left end of the preheating insulation box (2) is provided with a rectangular through groove, a flue gas inlet pipe (5) is embedded in the middle of the upper end of the preheating insulation box (2), the lower end of the flue gas inlet pipe (5) penetrates through the preheating insulation box (2) and is connected with an arc plate (3), a plurality of blowing heads (4) are arranged at equal intervals at the lower end of the arc plate (3), the lower side inside the preheating insulation box (2) is rotatably connected with a first transfer roller set (6), the upper end of the first transfer roller set (6) is connected with a sliding plate (7) in a rolling manner, the right side of the upper end of the sliding plate (7) is provided with a right vertical plate (9), the left part of the sliding plate (7) penetrates through the rectangular through groove and extends out of the preheating insulation box (2), the left vertical plate (10) is arranged on the left side of the upper end of the sliding plate (7) and outside the preheating insulation box (2), the right end of the left vertical plate (10) is abutted against the preheating insulation box (2), a bearing seat (11) is embedded in the center of the left end of the left vertical plate (10), the bearing seat (11) is rotatably connected with a rotating shaft (12), the right end of the rotating shaft (12) penetrates through the bearing seat (11) and is connected with a roller (13), a blanking bin door (14) is arranged on the front side of the periphery of the roller (13), the right end of the roller (13) is rotatably connected with a right vertical plate (9) through the rotating shaft, a driven wheel (15) is arranged at the left end of the rotating shaft (12), and a rotary power module is arranged on the lower side of the left end of the left vertical plate (10);
a water tank (21) and a purification tower (26) are arranged on the right side of the upper end of the bottom plate (1), the water tank (21) is positioned on the left side of the purification tower (26), a heat exchange pipe (22) is arranged inside the water tank (21), a water tank (27) is arranged at the bottom inside the purification tower (26), a plurality of aeration pipes (29) are arranged at the upper end of a hollow box (28) arranged at the bottom inside the water tank (27), a first connecting pipe (30) is arranged on the lower side of the right end of the preheating insulation can (2), the other end of the first connecting pipe (30) penetrates through the water tank (21) to be connected with the heat exchange pipe (22), a second connecting pipe (31) is connected at the other end of the heat exchange pipe (22), a plurality of annular pipes (32) are arranged in the middle of the purification tower (26), a plurality of atomization nozzles (33) are arranged at equal angles on the centripetal side of the peripheral surface of the annular pipes (32), the water pump (34) is arranged at the right edge of the upper end of the bottom plate (1), the front part of the water pump (34) penetrates through the purification tower (26) through a liquid pumping pipe (35) to be connected with the water tank (27), the upper part of the water pump (34) is connected with a liquid sending pipe (36), the left side of the upper part of the liquid sending pipe (36) is provided with a plurality of liquid sending branch pipes (37), the other ends of the liquid sending branch pipes (37) are respectively connected with a ring pipe (32), the upper side inside the purification tower (26) is provided with a hydrophobic breathable film (39) and activated carbon filter cotton (40), the hydrophobic breathable film (39) is positioned at the lower side of the activated carbon filter cotton (40), and the top end of the purification tower (26) is provided with an exhaust port (41).
2. The copper smelting flue gas purification equipment according to claim 1, wherein hanging rods are arranged on the left side and the right side of the upper end of the arc-shaped plate (3), the upper end of each hanging rod is connected with the preheating insulation can (2), and the arc-shaped plate (3) is of a hollow structure.
3. The copper smelting flue gas purification equipment according to claim 1, wherein the middle part of the lower end of the sliding plate (7) is provided with a plurality of ventilation through holes (8).
4. The copper smelting flue gas purification equipment according to claim 1, wherein the rotary power module comprises a servo motor (16), a driving wheel (17) and a synchronous belt (18), the left end of the servo motor (16) is connected with the driving wheel (17) through a motor shaft, and the driving wheel (17) is connected with the driven wheel (15) through the synchronous belt (18).
5. The copper smelting flue gas purification equipment according to claim 1, wherein a second movable roller set (20) is arranged on the left side of the upper end of the bottom plate (1) and on the left side of the preheating insulation can (2), the height of the second movable roller set (20) is the same as that of the first transfer roller set (6), and a handle (19) is arranged on the upper side of the left end of the left vertical plate (10).
6. The copper smelting flue gas purification equipment according to claim 1, wherein the heat exchange tube (22) is a coiled tube, a plurality of heat exchange fins (23) are sleeved in the middle of the heat exchange tube (22), a water feeding pipe (24) is arranged at the upper end of the water tank (21), and a water discharging pipe (25) is arranged at the lower side of the right end of the water tank (21).
7. The copper smelting flue gas purification equipment according to claim 1, wherein the number of the annular pipes (32) and the number of the liquid feeding branch pipes (37) are equal, the number of the annular pipes is at least three, the annular pipes (32) are arranged in parallel at equal intervals, and the upper side and the lower side of the right part of the purification tower (26) are provided with access door (38).
8. The working method of the copper smelting flue gas purification equipment according to any one of claims 1 to 7, characterized by comprising the following specific steps:
step one, opening a blanking bin door (14), filling copper ore materials into a roller (13), and then pushing a sliding plate (7) to move right along a second moving roller group (20) and a first transferring roller group (6) through a handle (19) so that the roller (13) moves into a preheating insulation box (2);
secondly, after high-temperature flue gas enters the arc-shaped plate (3) through the flue gas inlet pipe (5), the high-temperature flue gas is uniformly blown on the roller (13) through the blowing head (4), meanwhile, the servo motor (16) drives the driving wheel (17) to rotate, and the driven wheel (15) and the roller (13) are driven to slowly rotate through the synchronous belt (18);
thirdly, the flue gas enters the heat exchange tube (22) through the ventilation through hole (8) and the first connecting tube (30) again, efficient heat exchange is carried out through the heat exchange tube (22) and the heat exchange fins (23), the water in the water tank (21) is heated by using waste heat, hot water is discharged through the water discharging tube (25), and cold water is injected into the water adding tube (24);
fourthly, the cooled flue gas enters a hollow box (28) through a second connecting pipe (31), is sprayed out through an aeration pipe (29) and is subjected to acid-base neutralization with alkaline solution in a water tank (27), then a water pump (34) sends the alkaline solution in the water tank (27) to an annular pipe (32) through a liquid sending pipe (36) and a liquid sending branch pipe (37) through a liquid pumping pipe (35), and finally is sprayed out through atomization by an atomization nozzle (33) and is fully contacted with the flue gas, so that acidic substances in the flue gas are further removed, and the environment pollution is avoided;
and fifthly, finally, moisture is filtered through a hydrophobic air-permeable membrane (39), after further filtration and adsorption are carried out through activated carbon filter cotton (40), the air up to the standard is discharged through an air outlet (41), and an access door (38) is added with alkali liquor and a filter screen is replaced.
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Cited By (1)
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| CN113145435A (en) * | 2021-03-04 | 2021-07-23 | 童怀彪 | Mineral aggregate screening equipment for copper smelting |
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