CN218329268U

CN218329268U - Secondary lead smelting furnace

Info

Publication number: CN218329268U
Application number: CN202222213366.XU
Authority: CN
Inventors: 周俊; 饶顺; 赵顺亨; 罗利旭; 万银忠
Original assignee: Hubei Xinzi Regeneration Technology Co ltd
Current assignee: Hubei Xinzi Regeneration Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-17
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to a secondary lead smelting furnace belongs to processing facility field, two D type bearing frames have been installed in the place ahead above the base, cylindrical driving shaft has been installed to the inside at two bearing frames, two disc action wheels have been installed on the higher authority of driving shaft, two bearing frames have been installed to the rear above the base, cylindrical back shaft has been installed to the inside at two bearing frames, two disc supporting wheels have been installed on the back shaft, hollow cylindrical smelting furnace has been placed through two sets of ring shape tracks on the higher authority of two action wheels and two supporting wheels, the central authorities on the left side have installed the blowout pipe of L type above the base, the aforesaid has adopted the mist of natural gas with oxygen to carry out closed heating, it is rotatory to drive the action wheel through reversing switch control low-speed motor drive worm gear drive driving shaft, the action wheel is stirred the track and is driven the smelting furnace slow rotatory lead liquid that will smelt the stove inside and pour into the shaping groove into through the discharge gate.

Description

Secondary lead smelting furnace

Technical Field

The utility model relates to a secondary lead smelting furnace belongs to processing facility field, in particular to adopt closed rotary furnace to smelt the facility of secondary lead.

Background

The secondary lead, the lead plate separated from the waste lead-acid battery and the lead smelted by the pole are called as the secondary lead. The waste lead-acid battery is disassembled and smelted into secondary lead, and the steps of crushing, cleaning, sorting and smelting are required. The existing secondary lead smelting furnace adopts an intermediate frequency furnace, a smelting iron pan needs to be continuously electrified to melt the secondary lead, the power can not be cut off midway, and a large amount of electric power needs to be consumed in the smelting process. At present, time-of-use pricing is carried out on industrial electricity in most areas of China, namely electricity prices from 6 o 'clock to 24 o' clock are 1.6-1.9 yuan, and electricity prices from 0 o 'clock to the next day and 6 o' clock are 0.57-0.8 yuan. Therefore, most high-energy-consumption enterprises can only select production from 0 to 6 the next day, and the production time is short. If 24-hour three-shift production is carried out, the high electricity price makes enterprises difficult to bear, so the enterprises for smelting the secondary lead select natural gas which is cheap and has stable price as fuel. However, the existing smelting furnace for smelting secondary lead by using natural gas is in a semi-closed state, the bottom of the smelting furnace is heated, the top of the smelting furnace is fed with materials, and the side surface of the smelting furnace is discharged with lead liquid, the method is simple and effective, but the high temperature of natural gas combustion is at the bottom of the smelting furnace and is not fully utilized, and 1/3 of heat source flows outwards, so that waste is generated.

Disclosure of Invention

The utility model relates to a secondary lead smelting furnace has solved above-mentioned difficulty, provides a closed, the heat source is concentrated, effectual, the energy-efficient smelting furnace keeps warm.

The technical scheme of the utility model as follows, a secondary lead smelting furnace includes the base, the action wheel has been installed respectively on the middle part and the right of the preceding middle part of base and the inside of having installed driving shaft, driving shaft respectively to the middle part and the right of the preceding middle part of base and having installed bearing frame, two bearing frames respectively, the axis at low-speed motor rear and the inside worm of turbine reduction box are connected, worm and the inside worm wheel intermeshing of turbine reduction box, worm wheel and driving shaft top are connected on the left of the preceding left side of base vertically installed turbine reduction box, the support wheel has been installed respectively on the left of back shaft, the left of back shaft and the right of the inside of back shaft installed bearing frame, two bearing frames respectively, the smelting furnace has set up the feed inlet through the track card on the left side and the right of the center of the edge of feed inlet, smelting furnace right flank has set up discharge gate and discharging pipe, the center of the left side of smelting furnace has set up the gas vent through the edge of the left side and right side of support plate, the bracket is installed the semicircular feeding material inlet, the extending to the inside of feed inlet through the power cord, the power cord and the automatically controlled switch of the power cord and the power cord of the mixing switch are installed and the mixing switch are connected to the mixing switch The natural gas pipeline is connected with the liquid oxygen tank.

Furthermore, the base is L-shaped, the two bearing seats above the front part are D-shaped, the driving shafts in the two bearing seats are cylindrical, the two driving wheels above the driving shafts are disc-shaped, the supporting shafts in the two bearing seats above the rear part of the base are cylindrical, and the two supporting wheels above the supporting shafts are disc-shaped.

Furthermore, the smelting furnace is a hollow cylinder made of stainless steel, a group of circular tracks are respectively arranged at two ends of an excircle, a groove with a U-shaped central part is formed in the two groups of tracks, a feed inlet on the right side surface of the smelting furnace is circular, a discharge outlet on the right side surface of the smelting furnace is circular, the right side of the discharge outlet is connected with an inlet of a cylindrical discharge pipe through an elbow, and an exhaust port on the left side surface of the smelting furnace is circular.

Furthermore, the flame-spraying pipe is of a hollow L shape made of tungsten material, the top end of the right side of the flame-spraying pipe is of an oval shape, and the bottom of the oval shape is uniformly provided with gas-spraying holes with the diameter of 3-5 mm.

Has the advantages that: a secondary lead smelting furnace adopts an L-shaped base, two D-shaped bearing seats are installed in front of the upper surface of the base, a cylindrical driving shaft is installed in the two bearing seats, two disc-shaped driving wheels are installed on the driving shaft, two bearing seats are installed behind the upper surface of the base, a cylindrical support shaft is installed in the two bearing seats, two disc-shaped support wheels are installed on the support shaft, a hollow cylindrical smelting furnace is placed on the two driving wheels and the two support wheels through two groups of circular tracks, an L-shaped fire spraying pipe is installed in the center of the left side of the upper surface of the base, and the right side of the fire spraying pipe extends into an exhaust port of the left side of the smelting furnace;

the smelting furnace adopts the mixed gas of natural gas and oxygen to carry out closed heating, has high heating speed and good heat preservation effect, controls the low-speed motor to drive the worm gear and the worm to drive the driving shaft to drive the driving wheel to rotate through the reversing switch, drives the smelting furnace to slowly rotate 90 degrees anticlockwise through the driving wheel stirring track, and pours lead liquid in the smelting furnace into the forming groove through the discharge hole.

Drawings

FIG. 1 is a front view of a secondary lead smelting furnace;

FIG. 2 is a schematic structural diagram of a base, a bearing seat, a driving shaft, a driving wheel, a turbine reduction gearbox, a low-speed motor, a supporting shaft and a supporting wheel;

FIG. 3 is a schematic structural view of a melting furnace, a feed inlet, a discharge outlet, an exhaust port, a flame-throwing tube and an air supply tube;

FIG. 4 is a schematic view of the structure of a low-speed motor, a flame-spraying tube, an air supply tube, a distribution box, a power supply, a reversing switch, an electric control gas mixing valve and a power line;

in the figure, 1, a base; 2. a bearing seat; 3. a drive shaft; 4. a driving wheel; 5. a turbine reduction gearbox; 6. a low-speed motor (AC 380V/5-10kw, 450 r/min); 7. a support shaft; 8. a support wheel; 9. a smelting furnace; 10. a track; 11. a feed inlet; 12. a discharge pipe; 13. a bracket; 14. a feed chute; 15. a discharge port; 16. an exhaust port; 17. a flame projecting pipe; 18. a gas supply pipe; 19. a distribution box; 20. a power supply (AC 380V/60A); 21. a reversing switch (AC 380V/60A); 22. electronically controlled gas mixing valves (AC 220V/5A, > 0.02 m/S); 23. a power line.

Detailed Description

The shape and structure of the present invention will now be described in detail with reference to the accompanying drawings and reference numerals:

referring to the attached drawings 1-4, the secondary lead smelting furnace comprises a base 1, wherein bearing seats 2 are respectively arranged at the middle part and the right side of the front of the base 1, a driving shaft 3 is arranged in the two bearing seats 2, driving wheels 4 are respectively arranged at the middle part and the right side of the driving shaft 3, the driving shaft 3 and the driving wheels 4 are used for lifting the smelting furnace 9 and stirring the smelting furnace 9 to pour lead liquid in a rotating manner, a turbine reduction gearbox 5 is longitudinally arranged at the left side of the front of the base 1, a low-speed motor 6 is arranged in front of the turbine reduction gearbox 5, a central shaft at the rear part of the low-speed motor 6 is connected with a worm inside the turbine reduction gearbox 5, the worm is meshed with a worm wheel inside the turbine reduction gearbox 5, the worm wheel is connected with the top end of the left side of the driving shaft 3, the low-speed motor 6 drives the driving shaft 3 to rotate through the worm and the worm wheel to force the driving wheels 4 to pour the lead liquid, the middle and the right of the back of the base 1 are respectively provided with a bearing seat 2, the left and the right of the two bearing seats 2 are respectively provided with a supporting shaft 7, the left and the right of the supporting shafts 7 are respectively provided with a supporting wheel 8, the supporting shafts 7 and the supporting wheels 8 are used for lifting a smelting furnace 9, the smelting furnace 9 is clamped on the two driving wheels 4 and the two supporting wheels 8 through tracks 10 on the left and the right, the center of the right side of the smelting furnace 9 is provided with a feeding hole 11, the edge of the right side of the smelting furnace 9 is provided with a discharging hole 15 and a discharging pipe 12, the center of the left side of the smelting furnace 9 is provided with an exhaust hole 16, the smelting furnace 9 is used for filling regenerated lead and melting lead liquid, the bracket 13 is vertically arranged on the right of the back of the base 1, a semicircular feeding chute 14 is arranged above the front of the bracket 13 through the left lower part and the right part of the supporting plate, the left part of the feeding chute 14 extends to the inside of the feeding hole 11, the feeding chute 14 is used for filling secondary lead into the smelting furnace 9, the flame-throwing tube 17 is installed in the center of the top end of the left side of the base 1, the right side of the flame-throwing tube 17 extends to the inside of the exhaust port 16 rightwards, the flame-throwing tube 17 is used for heating the secondary lead in the smelting furnace 9, the distribution box 19 is installed on a distribution cabinet of the assembly line, and a power supply 20, a reversing switch 21 and an electric control gas mixing valve 22 are installed in the distribution box 19, the power supply 20 is respectively connected with the reversing switch 21 and the electric control gas mixing valve 22 through a power supply line 23, the reversing switch 21 is connected with the low-speed motor 6 through the power supply line 23, and the electric control gas mixing valve 22 is respectively connected with the flame-throwing tube 17, a natural gas pipeline and a liquid oxygen tank through an air supply pipe 18.

Referring to the attached drawing 2, the base 1 is L-shaped, the two bearing seats 2 on the front side are D-shaped, the driving shafts 3 in the two bearing seats 2 are cylindrical, the two driving wheels 4 on the driving shafts 3 are disc-shaped, the supporting shafts 7 in the two bearing seats 2 on the rear side of the base 1 are cylindrical, and the two supporting wheels 8 on the supporting shafts 7 are disc-shaped, wherein the structures and shapes of the base 1, the bearing seats 2, the driving shafts 3, the driving wheels 4, the supporting shafts 7 and the supporting wheels 8 are described above.

Referring to the attached drawings 1 and 3, the smelting furnace 9 is a hollow cylinder made of stainless steel, a group of circular rails 10 are respectively arranged at two ends of an excircle, a U-shaped groove is arranged at the center of each group of circular rails 10, a feed inlet 11 on the right side of the smelting furnace 9 is circular, a discharge outlet 15 on the right side of the smelting furnace 9 is circular, the right side of the discharge outlet 15 is connected with an inlet of a cylindrical discharge pipe 12 through an elbow, an exhaust outlet 16 on the left side of the smelting furnace 9 is circular, and the shapes and the structures of the smelting furnace 9, the rails 10 and the discharge pipe 12 are described above.

Referring to fig. 3, the flame-spraying tube 17 is a hollow L-shaped tube made of tungsten, the top end of the right side of the tube is an oval shape, and the bottom of the oval shape is uniformly provided with gas-spraying holes with the diameter of 3-5mm, which is the shape and structure of the flame-spraying tube 17.

When the secondary lead smelting furnace is used, after a worker turns on a power supply, the long-handle igniter extends into the smelting furnace, then the electric control gas mixing valve is turned on to 1/2 opening degree, electric sparks emitted by the igniter ignite mixed gas of natural gas and oxygen sprayed from gas injection holes to preheat the smelting furnace, gas generated after combustion of natural gas flames is sprayed out of the smelting furnace through the gas exhaust port and the material inlet, at the moment, the worker fills secondary lead into the smelting furnace through the feeding chute, the secondary lead quickly rises to 328 ℃ under continuous heating of the natural gas flames, the secondary lead starts to melt, lead liquid can downwards seep to the lower part inside the smelting furnace along gaps, and the secondary lead in the smelting furnace is completely melted into lead liquid after 10-20 minutes, at the moment, a worker closes the electric control gas mixing valve, then controls the low-speed motor to drive the worm gear to drive the driving shaft to drive the driving wheel to rotate through the reversing switch, the driving wheel drives the track to drive the smelting furnace to slowly rotate 90 degrees anticlockwise, the discharge hole and the discharge pipe rotate to the lower part of the smelting furnace at the moment, lead liquid in the smelting furnace flows into the forming groove through the discharge hole and the discharge pipe, after the lead liquid in the smelting furnace is completely flowed, the worker controls the low-speed motor to drive the worm gear to drive the driving shaft to reversely rotate through the reversing switch, the driving wheel drives the track to drive the smelting furnace to slowly rotate 90 degrees clockwise to reset, and the worker smelts secondary lead again according to the steps.

Claims

1. A secondary lead smelting furnace comprises a base and is characterized in that bearing seats are respectively arranged at the middle part and the right side of the front of the base, a driving shaft is arranged in the two bearing seats, driving wheels are respectively arranged at the middle part and the right side of the driving shaft, a turbine reduction gearbox is longitudinally arranged on the left side of the front of the base, a low-speed motor is arranged on the front of the turbine reduction gearbox, a middle shaft behind the low-speed motor is connected with a worm inside the turbine reduction gearbox, the worm is mutually meshed with a worm wheel inside the turbine reduction gearbox, the worm wheel is connected with the top end of the left side of the driving shaft, the middle part and the right side of the back of the base are respectively provided with a bearing seat, the inside of the two bearing seats is provided with a supporting shaft, the left side and the right side of the supporting shaft are respectively provided with a supporting wheel, the smelting furnace is clamped on the upper parts of the two driving wheels and the two supporting wheels through the tracks on the left side and the right side, the center of the right side of the smelting furnace is provided with a feeding hole, the edge of the right side of the smelting furnace is provided with a discharging hole and a discharging pipe, the center of the left side of the smelting furnace is provided with an exhaust hole, the bracket is vertically arranged on the right side of the back of the base, the upper part of the front of the bracket is provided with a semicircular feeding chute through the supporting plate, the left side of the feeding chute extends into the feeding hole, the fire spraying pipe is arranged in the center of the left top end of the base, the right side of the fire spraying pipe extends into the exhaust hole, the distribution box is arranged on the distribution cabinet of the assembly line, and the distribution box is provided with a power supply, a down-down switch and an electric control gas mixing valve, the power supply is respectively connected with the reversible switch and the electric control gas mixing valve through power lines, the reversible switch is connected with the low-speed motor through the power lines, the electric control gas mixing valve is respectively connected with the flame spraying pipe, the natural gas pipeline and the liquid oxygen tank through the gas supply pipe.

2. The secondary lead smelting furnace as claimed in claim 1, wherein the base is L-shaped, the two bearing blocks on the upper front side are D-shaped, the driving shaft inside the two bearing blocks is cylindrical, the two driving wheels on the driving shaft are disc-shaped, the supporting shaft inside the two bearing blocks on the upper rear side of the base is cylindrical, and the two supporting wheels on the supporting shaft are disc-shaped.

3. The secondary lead smelting furnace as claimed in claim 1, wherein the smelting furnace is a hollow cylinder made of stainless steel, a set of circular tracks are respectively arranged at two ends of an outer circle, a U-shaped groove is formed in the center of each set of tracks, a feed inlet on the right side of the smelting furnace is circular, a discharge outlet on the right side of the smelting furnace is circular, the right side of the discharge outlet is connected with an inlet of a cylindrical discharge pipe through an elbow, and an exhaust outlet on the left side of the smelting furnace is circular.

4. The secondary lead smelting furnace as claimed in claim 1, wherein the flame-throwing pipe is a hollow L-shaped pipe made of tungsten material, the right top end is elliptical, and the bottom of the elliptical pipe is provided with gas-spraying holes with the diameter of 3-5 mm.