CN217403129U - Realize automatic coal injection's secondary lead smelting furnace - Google Patents
Realize automatic coal injection's secondary lead smelting furnace Download PDFInfo
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- CN217403129U CN217403129U CN202221238456.8U CN202221238456U CN217403129U CN 217403129 U CN217403129 U CN 217403129U CN 202221238456 U CN202221238456 U CN 202221238456U CN 217403129 U CN217403129 U CN 217403129U
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- 239000003245 coal Substances 0.000 title claims abstract description 160
- 238000002347 injection Methods 0.000 title claims abstract description 139
- 239000007924 injection Substances 0.000 title claims abstract description 139
- 238000003723 Smelting Methods 0.000 title claims abstract description 76
- 239000007921 spray Substances 0.000 claims abstract description 119
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 67
- 239000001301 oxygen Substances 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 102
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002611 lead compounds Chemical class 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A regenerated lead smelting furnace for realizing automatic coal injection belongs to the field of regenerated lead smelting furnaces. The method comprises the following steps: the device comprises a smelting furnace body, a spray gun jack and a coal injection device; the side wall of the smelting furnace body is provided with a spray gun jack which penetrates through the side wall of the smelting furnace body and is a through hole with a high outer part and a low inner part, and the lower end position of the through hole is higher than a slag line of a furnace chamber of the smelting furnace body; the coal injection device is arranged outside the smelting furnace body, and a spray gun of the coal injection device penetrates into a spray gun jack and has the same inclination angle with the spray gun jack; the coal injection device drives the spray gun to enter or exit a furnace chamber of the smelting furnace body along the spray gun insertion hole. The advantages are that: coal injection or oxygen injection into the smelting furnace is automatically realized through a coal injection device; automatically adjusting and adjusting the moving distance of the coal injection gun according to the set time to realize coal feeding, coal feeding amount and coal feeding point position; the operation is simple, safe and reliable, and the labor intensity of workers is reduced; the coal injection gun is stretched into or pulled out of the smelting furnace through the coal injection device and on the coal injection device, so that the safety of the working process of the coal injection gun is greatly improved.
Description
Technical Field
The utility model relates to a secondary lead smelting furnace field, especially a realize secondary lead smelting furnace of automatic coal injection.
Background
Lead slime separated from waste lead-acid storage batteries by crushing needs to be smelted at high temperature, pulverized coal needs to be added into a smelting furnace during smelting, and the pulverized coal serves as heat required by the smelting process and also serves as a reducing agent for reducing metals. The coal feeding mode generally adopts a coal injection gun to feed pulverized coal into a smelting furnace so as to meet the production requirement.
In the smelting process, the coal injection gun passes through the spray gun jack on the side wall brick of the smelting furnace body, the coal injection gun is manually stretched into or pulled out of a molten pool, pulverized coal is injected into the molten pool of the smelting furnace through the coal injection gun, the coal injection gun is still manually pulled out of the smelting furnace after coal injection is completed, the pulled-out high-temperature coal injection gun does not have a fixed placing position, safety is lacked, and accidents are easy to happen.
The service life of the coal injection gun is long, the normal production and the yield of a smelting furnace are directly influenced, the service environment of the coal injection gun is very severe, the coal injection gun can bear high-temperature melting loss in the furnace, erosion and chemical corrosion of molten slag, frequent and large-amplitude temperature change, and damage caused by mechanical collision in the processes of extending into and pulling out the coal injection gun can be also borne.
The existing secondary lead smelting furnace is not provided with a coal injection device matched with the existing secondary lead smelting furnace, so that the normal production and yield of the smelting furnace are influenced; and the coal injection gun has the defects of short service life, easy burning loss, high labor intensity of workers, and lack of safety, and the coal powder cannot be directly injected into the molten liquid, so that the smelting efficiency is low.
In a coal injection system of a smelting furnace, the coal injection gun with good performance, long service life and safe use has important significance for improving coal injection benefit, reducing coal injection cost and labor intensity of workers.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a regenerated lead smelting furnace for realizing automatic coal injection, which solves the problem that the existing regenerated lead smelting furnace has no coal injection device matched with the existing regenerated lead smelting furnace, and the normal production and yield of the smelting furnace are influenced; and the coal injection gun has the problems of short service life, easy burning loss, high labor intensity of workers, lack of safety and low smelting efficiency caused by the fact that the pulverized coal cannot be directly injected into the molten liquid.
The purpose of the utility model is realized like this: the secondary lead smelting furnace comprises: a smelting furnace body;
further comprising: a spray gun jack and a coal injection device; the side wall of the smelting furnace body is provided with a spray gun jack which penetrates through the side wall of the smelting furnace body and is a through hole with a high outer part and a low inner part, and the lower end position of the through hole is higher than a slag line of a furnace chamber of the smelting furnace body; the coal injection device is arranged outside the smelting furnace body, and a spray gun of the coal injection device penetrates into a spray gun jack and has the same inclination angle with the spray gun jack; the coal injection device drives the spray gun to enter or exit a furnace chamber of the smelting furnace body along the spray gun insertion hole.
The angle of the spray gun jacks is 30-60 degrees, and a plurality of spray gun jacks are uniformly distributed around the axis of the furnace body in the radial direction; the number of the spray gun jacks is 2-12.
The coal injection device comprises: the spray gun comprises a spray gun, a spray gun base, a spray gun fixing frame, a spray gun guide wheel, a winch, a pulley, a steel wire rope and a rack;
the spray gun base is connected to the upper end of the frame; the spray gun base is connected with a spray gun fixing frame and a spray gun guide wheel, and the front part of the spray gun is lapped on the spray gun fixing frame and can roll on the spray gun fixing frame; the spray gun guide wheel is fixedly connected to the rear part of the spray gun and can roll on the spray gun base;
the bottom of the spray gun base is connected with a winch and a pulley; a plurality of pulleys are respectively positioned at two ends of the spray gun base and two ends of the winch; the steel wire rope is wound on the pulleys and the output wheel of the winch, the spray gun guide wheel is fixedly connected to the steel wire rope, and the winch drives the steel wire rope to rotate forwards or reversely to drive the spray gun to move on the spray gun base.
The spray gun comprises: the device comprises a gun head, a water inlet pipe flange, a water outlet pipe flange, an oxygen pipe quick connector, a coal injection pipe quick connector, a water inlet circulation channel, a water outlet circulation channel, an oxygen channel and a coal powder channel;
the water inlet pipe, the water outlet pipe, the oxygen pipe and the coal injection pipe are sequentially sleeved, the water inlet pipe is positioned at the outermost layer, and the coal injection pipe is positioned at the innermost layer;
the front ends of the water inlet pipe and the oxygen pipe are both connected with the gun head; the water outlet pipe is positioned between the water inlet pipe and the oxygen pipe, the end part of the water outlet pipe is positioned at the position of the U-shaped groove of the gun head, and a distance of 10-15cm is formed between the water outlet pipe and the bottom of the U-shaped groove; the coal injection pipe is inserted into the oxygen pipe, and the front end of the coal injection pipe penetrates out of the center hole of the gun head;
the rear ends of the water inlet pipe, the water outlet pipe, the oxygen pipe and the coal injection pipe are sequentially extended, the water inlet pipe is the shortest pipe, and the coal injection pipe is the longest pipe;
the side walls of the water inlet pipe, the water outlet pipe and the oxygen pipe are respectively connected with a communicating pipe corresponding to the water inlet pipe, the water outlet pipe and the oxygen pipe, the end part of the communicating pipe of the water inlet pipe and the end part of the communicating pipe of the water outlet pipe are respectively connected with a water inlet pipe flange and a water outlet pipe flange, the end part of the communicating pipe of the oxygen pipe is connected with an oxygen pipe quick connector, and the end part of the coal injection pipe is connected with a coal injection pipe quick connector.
The outer peripheral wall of the coal injection pipe is welded with limiting blocks which are distributed in an axial and discontinuous way; the limiting block is positioned between the outer peripheral wall of the coal injection pipe and the inner wall of the oxygen pipe to limit an oxygen channel, and the coal injection pipe can be drawn out and replaced at any time after being damaged.
The interval between the water inlet pipe and the water outlet pipe is a water inlet circulation channel; the distance between the water outlet pipe and the oxygen pipe is a water outlet circulation channel; the distance between the oxygen pipe and the coal injection pipe is an oxygen channel; the center of the coal injection pipe is provided with a through hole which is a coal powder channel.
The water inlet pipe, the water outlet pipe, the oxygen pipe and the coal injection pipe are all made of high-temperature-resistant alloy steel or stainless steel.
The gun head is disc-shaped, and the center of the disc is provided with a central hole; the disc-shaped bottom surface is a plane, the disc-shaped outer wall and the wall of the central hole extend upwards, and the extension smoothly transits to form a U-shaped groove; the coal injection pipe penetrates out of the central hole, and a spacing exists between the coal injection pipe and the central hole.
The gun head is connected with the water inlet pipe and the oxygen pipe in a welding mode; the material is red copper.
The coal injection device is matched and installed beside the smelting furnace, and coal injection or oxygen injection into the smelting furnace is automatically realized through the coal injection device; the coal injection device automatically adjusts the coal injection gun to run on the frame according to the set time, and adjusts the moving distance of the coal injection gun; the coal feeding time, the coal feeding amount and the coal feeding point position are set according to the smelting requirement, the operation of workers is simple, safe, reliable and efficient, and the labor intensity of the workers is reduced. The coal injection gun is completely stretched into or pulled out of the smelting furnace through the coal injection device and on the coal injection device, so that the safety of the working process of the coal injection gun is greatly improved.
The oxygen coal spray gun is provided with a cooling water circulation channel, cooling circulating water is injected into the water inlet circulation channel through a water inlet pipe to cool the gun body, the spray gun is prevented from being damaged by high temperature, the spray gun is cooled, and the spray gun can work in the furnace body for a long time; meanwhile, the coal injection pipe is inserted into the oxygen injection pipe, the inner pipe injects coal powder, the outer pipe injects oxygen, and the coal injection pipe can be cooled in the oxygen atmosphere during working, so that the coal injection pipe is protected from being easily burnt. The spray gun system of smelting furnace is cooled by adopting a water-cooling and air-cooling mode, the service life of the spray gun is prolonged, the manpower and financial resources for spray gun maintenance in the production process are reduced, the production operation cost is reduced, and the production efficiency is improved.
Because a plurality of spray gun jacks are uniformly distributed at the same height around the smelting furnace body, a spray gun is inserted into each spray gun jack; during smelting, oxygen and coal powder can go deep into the slag layer, so that the materials are more fully melted, the smelting reaction process is accelerated, and lead compounds in the slag are reduced into metallic lead, so that the recovery rate of the lead is improved.
The problem that the conventional secondary lead smelting furnace is not provided with a coal injection device matched with the secondary lead smelting furnace, so that the normal production and yield of the smelting furnace are influenced is solved; and the coal injection gun has the problems of short service life, easy burning loss, large labor intensity of workers, lack of safety and low lead recovery rate, and achieves the aim of the utility model.
The advantages are that:
1, the spray gun has long service life, the coal injection device has reasonable design, convenient and fast installation, low cost and safe and reliable use.
2, the vulnerable part of the coal injection pipe can be replaced by a simple method, and the whole gun cannot be scrapped due to abrasion or burning loss of the coal injection pipe.
3, the gun is not clamped, the gun inserting angle is moderate, and the positioning is firm and accurate.
4, the operation is convenient and flexible, and the labor intensity of workers is greatly reduced.
And 5, oxygen and coal can penetrate into the slag layer, so that the temperature of a molten pool is increased, the smelting process is completed quickly, and the smelting efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the coal injection preparation operation of the present invention.
Fig. 2 is a schematic view of the overall structure of the coal injection operation of the present invention.
Fig. 3 is a schematic structural diagram of the coal injection device of the present invention.
Fig. 4 is a schematic view of the structure of the spray gun of the present invention.
Fig. 5 is an enlarged partial schematic view of the lance head of fig. 4.
Fig. 6 is a schematic sectional view along the line a-a in fig. 5.
Fig. 7 is a schematic sectional structure view of the gun head of the present invention.
Fig. 8 is a side view schematic of the structure of fig. 7.
Fig. 9 is a schematic structural view of the coal injection pipe and the coal injection pipe quick coupling of the present invention.
In the figure, 1, a spray gun; 2. a spray gun base; 3. a spray gun fixing frame; 4. a spray gun guide wheel; 5. a hoist; 6. a pulley; 7. a wire rope; 8. a frame; 9. a smelting furnace body; 10. a spray gun jack;
1-1, gun heads; 1-2, a water inlet pipe; 1-3, a water inlet pipe flange; 1-4, a water outlet pipe; 1-5, a water outlet pipe flange; 1-6, an oxygen tube; 1-7, oxygen hose quick coupling; 1-8, a coal injection pipe; 1-9, a coal injection pipe quick joint; 1-10, a water inlet circulation channel; 1-11, a water outlet circulation channel; 1-12, an oxygen channel; 1-13, a pulverized coal channel; 1-14, U-shaped groove; 1-15, central hole; 1-16 and a limiting block.
Detailed Description
Example 1: the secondary lead smelting furnace comprises: a smelting furnace body 9;
further comprising: a spray gun jack 2 and a coal injection device; a spray gun jack 10 is arranged on the side wall of the smelting furnace body 9, the spray gun jack 10 penetrates through the side wall of the smelting furnace body 9 and is a through hole with a high outer part and a low inner part, and the lower end position of the through hole is higher than a slag line in a furnace chamber of the smelting furnace body 9; the coal injection device is arranged outside the smelting furnace body 9, and a spray gun 1 of the coal injection device penetrates into a spray gun jack 10 and has the same inclination angle with the spray gun jack 10; the coal injection device drives the spray gun 1 to enter or exit the furnace chamber of the smelting furnace body 9 along the spray gun insertion hole 10.
The angle of the spray gun insertion holes 10 is 30-60 degrees, a plurality of spray gun insertion holes 10 are radially and symmetrically distributed around the axis of the furnace body; the number of the spray gun jacks 10 is 2-12 and is uniformly distributed.
The coal injection device comprises: the spray gun comprises a spray gun 1, a spray gun base 2, a spray gun fixing frame 3, a spray gun guide wheel 4, a winch 5, a pulley 6, a steel wire rope 7 and a rack 8;
the spray gun base 2 is connected with the upper end of the frame 8; a spray gun fixing frame 3 and a spray gun guide wheel 4 are connected to the spray gun base 2, and the front part of the spray gun 1 is lapped on the spray gun fixing frame 3 and can roll on the spray gun fixing frame 3; the spray gun guide wheel 4 is fixedly connected to the rear part of the spray gun 1, and the spray gun guide wheel 4 can roll on the spray gun base 2;
the bottom of the spray gun base 2 is connected with a winch 5 and a pulley 6; a plurality of pulleys 6 are respectively positioned at two ends of the spray gun base 2 and two ends of the winch 5; the steel wire rope 7 is wound on the pulleys 6 and the output wheel of the winch 5, the spray gun guide wheel 4 is fixedly connected to the steel wire rope 7, and the winch 5 drives the steel wire rope 7 to rotate forwards or backwards to drive the spray gun 1 to move on the spray gun base 2.
The spray gun 1 comprises: 1-1 of a gun head, 1-2 of a water inlet pipe, 1-3 of a water inlet pipe flange, 1-4 of a water outlet pipe, 1-5 of a water outlet pipe flange, 1-6 of an oxygen pipe, 1-7 of an oxygen pipe quick connector, 1-8 of a coal injection pipe, 1-9 of a coal injection pipe quick connector, 1-10 of a water inlet circulation channel, 1-11 of a water outlet circulation channel, 1-12 of an oxygen channel and 1-13 of a coal powder channel;
the water inlet pipe 1-2, the water outlet pipe 1-4, the oxygen pipe 1-6 and the coal injection pipe 1-8 are sequentially sleeved, the water inlet pipe 1-2 is positioned at the outermost layer, and the coal injection pipe 1-8 is positioned at the innermost layer;
the front ends of the water inlet pipe 1-2 and the oxygen pipe 1-6 are connected with the gun head 1-1; the water outlet pipe 1-4 is positioned between the water inlet pipe 1-2 and the oxygen pipe 1-6, the end part is positioned at the position of 1-14 of the U-shaped groove of the gun head 1-1, and a distance of 10-15cm exists between the water outlet pipe and the bottom of the U-shaped groove 1-14; the coal injection pipe 1-8 is inserted into the oxygen pipe, and the front end of the coal injection pipe penetrates out of a central hole 1-15 of the gun head 1-1;
the rear ends of the water inlet pipe 1-2, the water outlet pipe 1-4, the oxygen pipe 1-6 and the coal injection pipe 1-8 are sequentially extended, the water inlet pipe 1-2 is the shortest pipe, and the coal injection pipe 1-8 is the longest pipe;
the side walls of the water inlet pipe 1-2, the water outlet pipe 1-4 and the oxygen pipe 1-6 are respectively connected with a communicating pipe corresponding to the communicating pipe, the end part of the communicating pipe of the water inlet pipe 1-2 and the water outlet pipe 1-4 is respectively connected with a water inlet pipe flange 1-3 and a water outlet pipe flange 1-5, the end part of the communicating pipe of the oxygen pipe 1-6 is connected with an oxygen pipe quick joint 1-7, and the end of the coal injection pipe 1-8 is connected with a coal injection pipe quick joint 1-9.
The limiting blocks 1-16 are welded on the outer peripheral walls of the coal injection pipes 1-8, and the limiting blocks 1-16 are distributed in an axial and discontinuous mode; the limiting blocks 1-16 are positioned between the outer peripheral walls of the coal injection pipes 1-8 and the inner walls of the oxygen pipes 1-6 to limit oxygen channels, and the coal injection pipes 1-8 can be drawn out and replaced at any time after being damaged.
The interval between the water inlet pipe 1-2 and the water outlet pipe 1-4 is a water inlet circulation channel 1-10; the distance between the water outlet pipe 1-4 and the oxygen pipe 1-6 is a water outlet circulation channel 1-11; the distance between the oxygen pipes 1-6 and the coal injection pipes 1-8 is an oxygen channel 1-12; the center of the coal injection pipe 1-8 is provided with a through hole which is a coal powder channel 1-13.
The water inlet pipe 1-2, the water outlet pipe 1-4, the oxygen pipe 1-6 and the coal injection pipe 1-8 are all made of high-temperature-resistant alloy steel or stainless steel.
The gun head 1-1 is disc-shaped, and a central hole 1-15 is formed in the center of the disc; the disc-shaped bottom surface is a plane, the disc-shaped outer wall and the wall of the central hole 1-15 extend upwards, and the extension is in smooth transition to form a U-shaped groove 1-14; the water inlet pipe 1-2 is welded on the outer wall of the disc shape, the oxygen pipe 1-6 is welded on the wall of the central hole 1-15, the coal injection pipe 1-8 penetrates out of the central hole 1-15, and a spacing moment exists between the coal injection pipe 1-8 and the central hole 1-15.
The gun head 1-1 is connected with the water inlet pipe 1-2 and the oxygen pipe 1-6 in a welding mode; the material is red copper.
Claims (9)
1. A secondary lead smelting furnace for realizing automatic coal injection comprises: a smelting furnace body; the method is characterized in that:
further comprising: a spray gun jack and a coal injection device; the side wall of the smelting furnace body is provided with a spray gun jack which penetrates through the side wall of the smelting furnace body and is a through hole with a high outer part and a low inner part, and the lower end position of the through hole is higher than a slag line of a furnace chamber of the smelting furnace body; the coal injection device is arranged outside the smelting furnace body, and a spray gun of the coal injection device penetrates into a spray gun jack and has the same inclination angle with the spray gun jack; the coal injection device drives the spray gun to enter or exit a furnace chamber of the smelting furnace body along the spray gun insertion hole.
2. The secondary lead smelting furnace realizing automatic coal injection according to claim 1, which is characterized in that: the angle of the spray gun jacks is 30-60 degrees, and the spray gun jacks are uniformly distributed around the axis of the furnace body in the radial direction.
3. The secondary lead smelting furnace realizing automatic coal injection according to claim 1, which is characterized in that: the coal injection device comprises: the spray gun comprises a spray gun, a spray gun base, a spray gun fixing frame, a spray gun guide wheel, a winch, a pulley, a steel wire rope and a rack;
the spray gun base is connected to the upper end of the frame; the spray gun base is connected with a spray gun fixing frame and a spray gun guide wheel, and the front part of the spray gun is lapped on the spray gun fixing frame and can roll on the spray gun fixing frame; the spray gun guide wheel is fixedly connected to the rear part of the spray gun and can roll on the spray gun base;
the bottom of the spray gun base is connected with a winch and a pulley; a plurality of pulleys are respectively positioned at the two ends of the spray gun base and the two ends of the winch; the steel wire rope is coiled on a plurality of pulleys and an output wheel of a winch, the spray gun guide wheel is fixedly connected to the steel wire rope, and the winch drives the steel wire rope to rotate forwards or backwards to drive the spray gun to move on the spray gun base.
4. The secondary lead smelting furnace realizing automatic coal injection according to claim 3, which is characterized in that: the spray gun comprises: the device comprises a gun head, a water inlet pipe flange, a water outlet pipe flange, an oxygen pipe quick connector, a coal injection pipe quick connector, a water inlet circulation channel, a water outlet circulation channel, an oxygen channel and a coal powder channel;
the water inlet pipe, the water outlet pipe, the oxygen pipe and the coal injection pipe are sequentially sleeved, the water inlet pipe is positioned at the outermost layer, and the coal injection pipe is positioned at the innermost layer;
the front ends of the water inlet pipe and the oxygen pipe are both connected with the gun head; the water outlet pipe is positioned between the water inlet pipe and the oxygen pipe, the end part of the water outlet pipe is positioned at the position of the U-shaped groove of the gun head, and a distance of 10-15cm is formed between the water outlet pipe and the bottom of the U-shaped groove; the coal injection pipe is inserted into the oxygen pipe, and the front end of the coal injection pipe penetrates out of the center hole of the gun head;
the rear ends of the water inlet pipe, the water outlet pipe, the oxygen pipe and the coal injection pipe are sequentially extended, the water inlet pipe is the shortest pipe, and the coal injection pipe is the longest pipe;
the side walls of the water inlet pipe, the water outlet pipe and the oxygen pipe are respectively connected with a communicating pipe corresponding to the water inlet pipe, the water outlet pipe and the oxygen pipe, the end part of the communicating pipe of the water inlet pipe and the end part of the communicating pipe of the water outlet pipe are respectively connected with a water inlet pipe flange and a water outlet pipe flange, the end part of the communicating pipe of the oxygen pipe is connected with an oxygen pipe quick connector, and the end part of the coal injection pipe is connected with a coal injection pipe quick connector.
5. The secondary lead smelting furnace realizing automatic coal injection according to claim 4, which is characterized in that: the outer peripheral wall of the coal injection pipe is welded with limiting blocks which are distributed in an axial and discontinuous way; the limiting block is positioned between the outer peripheral wall of the coal injection pipe and the inner wall of the oxygen pipe to limit an oxygen channel, and the coal injection pipe can be drawn out and replaced at any time after being damaged.
6. The secondary lead smelting furnace realizing automatic coal injection according to claim 4, which is characterized in that: the interval between the water inlet pipe and the water outlet pipe is a water inlet circulation channel; the distance between the water outlet pipe and the oxygen pipe is a water outlet circulation channel; the distance between the oxygen pipe and the coal injection pipe is an oxygen channel; the center of the coal injection pipe is provided with a through hole which is a coal powder channel.
7. The secondary lead smelting furnace realizing automatic coal injection according to claim 4, which is characterized in that: the water inlet pipe, the water outlet pipe, the oxygen pipe and the coal injection pipe are all made of high-temperature-resistant alloy steel or stainless steel.
8. The secondary lead smelting furnace realizing automatic coal injection according to claim 4, which is characterized in that: the gun head is in a disc shape, and the center of the disc is provided with a central hole; the disc-shaped bottom surface is a plane, the disc-shaped outer wall and the wall of the central hole extend upwards, and the extension smoothly transits to form a U-shaped groove; the welding has the inlet tube on discoid outer wall, has the oxygen hose on the wall of centre bore, and the coal injection pipe is worn out from the centre bore, and the square between coal injection pipe and the centre bore exists.
9. The secondary lead smelting furnace realizing automatic coal injection according to claim 4, which is characterized in that: the gun head is connected with the water inlet pipe and the oxygen pipe in a welding mode; the material is red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221238456.8U CN217403129U (en) | 2022-05-23 | 2022-05-23 | Realize automatic coal injection's secondary lead smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221238456.8U CN217403129U (en) | 2022-05-23 | 2022-05-23 | Realize automatic coal injection's secondary lead smelting furnace |
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| Publication Number | Publication Date |
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| CN217403129U true CN217403129U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221238456.8U Active CN217403129U (en) | 2022-05-23 | 2022-05-23 | Realize automatic coal injection's secondary lead smelting furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN217403129U (en) |
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2022
- 2022-05-23 CN CN202221238456.8U patent/CN217403129U/en active Active
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