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CN-121976055-A - Oxygen-enriched side blowing lead smelting furnace

CN121976055ACN 121976055 ACN121976055 ACN 121976055ACN-121976055-A

Abstract

The invention relates to the technical field of metal refining, and provides an oxygen-enriched side-blown lead smelting furnace which comprises a lead smelting furnace mechanism, wherein a smoke exhaust control mechanism is arranged in the middle of the upper end of the lead smelting furnace mechanism, a driving mechanism is arranged on the left side of the upper end of the lead smelting furnace mechanism, an upper side-blown mechanism is arranged at the middle upper part of the lead smelting furnace mechanism, and a lower side-blown mechanism is arranged at the middle lower part of the lead smelting furnace mechanism. Through when the temperature in the stove is too low, the swivel ball continues to slide to the left, the pulling gas-blowing pipe level rotates, and then make the gas-blowing pipe blow the angle to one side to the liquid level depression, oxygen can blow to the liquid level slant directly, simultaneously form decurrent vortex at the liquid level upper end, oxygen can fully react with the melt, further improve combustion reaction efficiency, further improve the temperature in the stove, when the inside temperature of upper furnace body is too high, the gas-blowing pipe blows oxygen to the liquid level elevation angle to one side, form ascending vortex in the top of liquid level, further improve the oxygen emission rate, reduce oxidation combustion reaction, reach better cooling effect.

Inventors

  • ZHAO YABIN
  • GAO GE
  • LIU LEI
  • LIU XIAOJUN
  • MA SHUANG

Assignees

  • 辽宁特力环保科技有限公司

Dates

Publication Date
20260505
Application Date
20260401

Claims (10)

  1. 1. The utility model provides an oxygen boosting side blowing lead smelting furnace, includes lead smelting furnace mechanism (1), a serial communication port, upper end mid-mounting of lead smelting furnace mechanism (1) has smoke discharging control mechanism (2), actuating mechanism (3) are installed in upper end left side of lead smelting furnace mechanism (1), upper side blowing mechanism (5) are installed to the well upper portion of lead smelting furnace mechanism (1), lower side blowing mechanism (4) are installed to the well lower part of lead smelting furnace mechanism (1), lower side blowing mechanism (4) include bottom side blowing subassembly and middle part side blowing subassembly, middle part side blowing subassembly includes lower oxygen pipe (41) and two mounting panel (47), the front and back end downside evenly distributed of lower oxygen pipe (41) has intercommunication seat one (42), the equal fixedly connected with hose (43) of lower extreme of intercommunication seat one (42), the equal fixedly connected with air blast pipe (44) are close to the equal fixedly connected with ball (45) of one end of lead smelting furnace mechanism (1), the equal sliding connection of upper end (46) has chute (46) to keep away from in advance in the equal sliding connection of lead smelting furnace mechanism (1).
  2. 2. The oxygen-enriched side-blown lead smelting furnace according to claim 1, wherein the lead smelting furnace mechanism (1) comprises an outer support (11), a lower furnace body (12) is arranged at the inner lower part of the outer support (11), a discharge port (13) is fixedly connected to the left end of the lower furnace body (12), a suction nozzle (14) is fixedly connected to the upper end of the discharge port (13), a guide groove (15) is fixedly connected to the left end of the discharge port (13), an upper furnace body (16) is fixedly connected to the upper end of the lower furnace body (12), a smoke exhaust pipe (17) is fixedly connected to the middle opening of the upper end of the upper furnace body (16), a feed inlet is fixedly connected to the opening of the right upper end of the upper furnace body (16), slag inlets are uniformly distributed on the right side of the upper end of the upper furnace body (16), and a temperature sensor is fixedly connected to the inner top of the upper furnace body (16).
  3. 3. The oxygen-enriched side converting lead furnace according to claim 2, wherein the outer circumferences of the rotary balls (45) are all rotatably connected in the openings of the middle lower ends of the front and rear sides of the upper furnace body (16), and the inner circumference of the lower oxygen pipe (41) is fixedly connected with the middle lower outer circumference of the outer bracket (11).
  4. 4. The oxygen-enriched side-blown lead smelting furnace according to claim 2, wherein the bottom side-blown component comprises a first communicating pipe (48), the upper end of the first communicating pipe (48) is communicated with a lower oxygen pipe (41), a ball valve (49) is fixedly connected to the lower end of the first communicating pipe (48), one end, close to the lead smelting furnace mechanism (1), of the ball valve (49) is fixedly connected with an inclined through pipe (410), one side, close to the lead smelting furnace mechanism (1), of the inclined through pipe (410) is fixedly connected with a mounting seat (412), one end, close to the lead smelting furnace mechanism (1), of the inclined through pipe (410) is fixedly connected with an air inlet nozzle (411), one end, close to the lead smelting furnace mechanism (1), of the inclined through pipe (410) is fixedly connected with a half gear (413), the half gear (413) is fixedly connected with a straight rack (414), and one side, far away from the half gear (413), of the straight rack (414) is fixedly connected to one side, far away from the lead smelting furnace mechanism (1), of the driving seat (46).
  5. 5. The oxygen-enriched side converting lead furnace according to claim 4, wherein the mounting base (412) and the mounting plate (47) are fixedly connected to the middle lower part of the front and rear sides of the upper furnace body (16) at the ends far away from the inclined tube (410), and the periphery of the air inlet nozzle (411) is fixedly connected to the lower opening of the front and rear sides of the upper furnace body (16).
  6. 6. The oxygen-enriched side converting lead furnace according to claim 2, wherein the driving mechanism (3) comprises a driving motor (31) and two synchronous wheels two (37), the front end driving end of the driving motor (31) is fixedly connected with a speed reducer (32), the right end output end of the speed reducer (32) is fixedly connected with a driving shaft one (33), the left end output end of the speed reducer (32) is fixedly connected with a driving shaft two (34), the left end of the driving shaft two (34) is fixedly connected with a synchronous wheel one (35), the synchronous wheel one (35) is connected with the synchronous wheel two (37) through synchronous steel belts (36), the middle part of the synchronous wheel two (37) is fixedly connected with a threaded rod (38), the outer Zhou Jun of the threaded rod (38) is in threaded connection with a driving block (39), and the lower end of the driving block (39) is fixedly connected to the left side of the upper end of a driving seat (46).
  7. 7. The oxygen-enriched side converting lead furnace according to claim 6, wherein the lower ends of the driving motor (31) and the speed reducer (32) are fixedly connected to the left side of the upper end of the upper furnace body (16), the driving shaft II (34) is rotatably connected to the left side of the upper end of the upper furnace body (16), and the two ends of the threaded rod (38) are rotatably connected to the left side of the lower end of the front and rear parts of the upper furnace body (16).
  8. 8. The oxygen-enriched side-blown lead furnace according to claim 6, wherein the smoke discharging control mechanism (2) comprises a shell (21) and a lower rotary table (28), limit grooves are uniformly distributed at the upper end of the lower rotary table (28), an upper rotary table (22) is rotatably connected to the inner upper portion of the shell (21), arc grooves are uniformly distributed in the inner portion of the upper rotary table (22), an arc-shaped helical rack (23) is fixedly connected to the left end of the upper rotary table (22), a bevel gear (24) is connected to the arc-shaped helical rack (23) in a meshed mode, the middle part of the bevel gear (24) is fixedly connected to the right end of a driving shaft (33), a limit shaft (25) is slidably connected to the inner portion of the arc grooves, a control plate (26) is fixedly connected to the lower end of the limit shaft (25), and an outer Zhou Jun of the limit bar (27) is slidably connected to the inner portion of the limit groove.
  9. 9. The oxygen-enriched side-blown lead smelting furnace according to claim 8, wherein the lower end of the shell (21) is fixedly connected to the upper end of the smoke exhaust pipe (17), and the upper end of the shell (21) is fixedly connected with a flange seat.
  10. 10. The oxygen-enriched side blowing lead smelting furnace according to claim 2, wherein the upper side blowing mechanism (5) comprises an upper oxygen pipe (51), the inner periphery of the upper oxygen pipe (51) is fixedly connected with the outer periphery of the middle upper part of the outer bracket (11), control valves II (52) are uniformly distributed on the front side and the rear side of the lower end of the upper oxygen pipe (51), communicating pipes II (53) are fixedly connected with the lower ends of the control valves II (52), and the lower ends of the communicating pipes II (53) are fixedly connected in the openings of the upper ends of the front side and the rear side of the upper furnace body (16).

Description

Oxygen-enriched side blowing lead smelting furnace Technical Field The invention relates to the technical field of metal refining, in particular to an oxygen-enriched side blowing lead smelting furnace. Background In the lead smelting industry, the oxygen-enriched side-blown smelting process has become one of the mainstream lead smelting technologies because of being capable of effectively improving the lead recovery rate, reducing the energy consumption and reducing the exhaust emission, and is widely applied to industrial production. The existing oxygen-enriched side blowing lead smelting equipment generally comprises a furnace body, an oxygenation device, a feeding device and an exhaust device, lead melting materials after being heated and melted by a bottom blowing furnace are fed into the furnace body, reaction slag materials such as anthracite and white stone are synchronously fed into the furnace, oxygen is blown into the furnace through the oxygenation device, part of the oxygen is blown to the lower part of the liquid surface of the melting materials to stir the melting materials and strengthen oxidation reaction, and part of the oxygen is blown to the upper part of the liquid surface to supplement oxygen and burn out combustible components in smoke, so that the smelting reaction of the lead melting materials is realized, the extraction and separation work of lead is completed, and the requirement of large-scale production is met. However, the existing oxygen-enriched side-blown lead smelting equipment generally does not have an automatic temperature adjusting function, and is difficult to cope with the problem of dynamic fluctuation of the temperature in the furnace in the smelting process, which is also a core defect existing in the current technology. The injection angle of the air blowing pipe, the ventilation amount of oxygen and the ventilation amount of the existing equipment are fixed, the dynamic adjustment cannot be carried out according to the real-time temperature in the furnace, the related parameters can be manually adjusted only by means of manual experience, the adjustment precision is low, the response is delayed, the multi-loop cooperative temperature adjustment cannot be realized, and the condition that the temperature is too high or too low in the furnace is easily caused. When the temperature is too low, the surface of the molten material is easy to solidify, the oxidation reaction efficiency is reduced, the lead recovery rate is affected, when the temperature is too high, the molten material and oxygen are caused to excessively oxidize, the energy consumption and the byproduct generation amount are increased, meanwhile, the corrosion of refractory materials of a furnace body is accelerated, the service life of equipment is shortened, and the stability and the economy of a smelting process are difficult to ensure. Disclosure of Invention Aiming at the problems in the prior art, the invention aims to provide an oxygen-enriched side-blown lead smelting furnace so as to solve the problems in the prior art. In order to solve the problems, the oxygen-enriched side-blown lead smelting furnace comprises a lead smelting furnace mechanism, wherein a smoke discharging control mechanism is arranged in the middle of the upper end of the lead smelting furnace mechanism, a driving mechanism is arranged on the left side of the upper end of the lead smelting furnace mechanism, an upper side-blown mechanism is arranged on the middle upper part of the lead smelting furnace mechanism, a lower side-blown mechanism is arranged on the middle lower part of the lead smelting furnace mechanism, the lower side-blown mechanism comprises a bottom side-blown component and a middle side-blown component, the middle side-blown component comprises a lower oxygen pipe and two mounting plates, a first communicating seat is uniformly distributed on the lower side of the front end and the rear end of the lower oxygen pipe, a hose is fixedly connected to the lower end of the first communicating seat, a blowing pipe is fixedly connected to the lower end of the hose, a rotary ball is fixedly connected to one end of the blowing pipe, a driving seat is slidably connected to the upper end of the mounting plate, a chute is arranged on one side of the driving seat, which is far away from the lead smelting furnace mechanism, and the chute is slidably connected to the inside. Preferably, the lead smelting furnace mechanism comprises an outer support, a lower furnace body is arranged at the inner lower part of the outer support, a discharge port is fixedly connected to the left end of the lower furnace body, a suction nozzle is fixedly connected to the upper end of the discharge port, a guide chute is fixedly connected to the left end of the discharge port, an upper furnace body is fixedly connected to the upper end of the lower furnace body, a smoke exhaust pipe is fixedly connected to the inner opening of the middle part o