CN220304247U - Heating device and feeding adjusting device of sintering trolley feeding system - Google Patents
Heating device and feeding adjusting device of sintering trolley feeding system Download PDFInfo
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- CN220304247U CN220304247U CN202321788455.5U CN202321788455U CN220304247U CN 220304247 U CN220304247 U CN 220304247U CN 202321788455 U CN202321788455 U CN 202321788455U CN 220304247 U CN220304247 U CN 220304247U
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- mixing bin
- heating device
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000005245 sintering Methods 0.000 title claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005204 segregation Methods 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 6
- 238000000429 assembly Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 13
- 210000002445 nipple Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 235000019580 granularity Nutrition 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model relates to a heating device and a feeding regulating device of a feeding system of a sintering trolley, which comprises a mixing bin, a feeding regulating device and an automatic control system, and is characterized in that two side walls of the mixing bin are provided with at least one row of heating device mounting holes, each heating device mounting hole is provided with a steam injection assembly, and the lower parts of the steam injection assemblies on the two side walls of the mixing bin are also provided with a temperature sensor and a humidity sensor; the feeding adjusting device comprises a feeding hopper connected with the lower part of the mixing bin, a sector feeding gate hinged with the lower part of the feeding hopper and an auxiliary feeding adjusting component arranged on the sector feeding gate. The advantages are that: the heating device increases the heating area of the mixture, is favorable for improving the temperature of the mixture, and the feeding adjusting device can enable an operator to remotely and timely adjust the auxiliary feeding adjusting door in the operating room so as to avoid production accidents caused by segregation of sintering and distribution.
Description
Technical Field
The utility model belongs to the field of sintering production processes in the metallurgical industry, and particularly relates to a heating device and a feeding adjusting device of a sintering trolley feeding system.
Background
The sintering machine is suitable for sintering operation of large-scale ferrous metallurgy sintering plant, is main equipment in the process of exhausting sintering, and can sinter concentrate powder with different components and different granularities into blocks and partially eliminate harmful impurities such as sulfur, phosphorus and the like contained in ores. The sintering machine mainly comprises a sintering machine trolley, feeding equipment and an ignition furnace which are arranged at the front end of the trolley, discharging equipment which is arranged at the rear end of the trolley, a plurality of sintering bellows which are arranged at the lower part of the trolley, a main flue which is communicated with each sintering bellows, a main electric dust collector which is connected with the outlet end of the main flue, a main exhaust fan which is connected with the outlet end of the main electric dust collector, and flue gas desulfurization equipment and a chimney which are connected with the outlet end of the main exhaust fan.
In the sintering production process, a feeding system of the sintering machine is necessary equipment for sintering production, and plays an important role in the sintering production. The continuous sintering device ensures the continuity of sintering production and plays a role in buffering the continuous conveying of sintering materials. At present, sintering machine ore tanks used in the prior art are of hopper and lining plate structures, the hopper is formed by welding steel plates and profile steel, and the lining plate adopts a bolt binding or material self-lining mode. The water content of the sintering mixture is about 7%, the granularity is basically below 10mm, the phenomena of lining plate sticking and blocking often occur in the production process, the discharging is unsmooth and uneven, the sintering distribution effect is seriously influenced, the stability of the sintering process is influenced, the lining plate sticking is very difficult to process, the shutdown is needed for maintenance, a large amount of manpower and material resources are consumed, and hidden danger is brought to the safety production.
In order to improve the production quality of the sinter, the mixture is heated in a secondary mixer, and the temperature is reduced when the mixture is arranged on a trolley due to the fact that the secondary mixer is far away from a nine-roller distributing device and the conveying path is long, so that the meaning of heating and temperature raising of the mixture is completely lost.
There are also cylindrical feeders, but sometimes the blanking of the cylindrical feeder is uneven when feeding, and if the blanking is not found in time, the serious ditch-pulling phenomenon is caused to appear in the distribution of the sintering machine trolley, serious material segregation occurs on the trolley, sintering production accidents are directly caused, post personnel can not find in time when serious material segregation occurs, information feedback is not in time, operators can not adjust in time, and serious loss of the production quality and energy consumption of the sinter is caused.
Disclosure of Invention
The utility model aims to provide a heating device and a feeding adjusting device of a sintering trolley feeding system, which can improve the temperature of a mixture, solve the problem of material segregation during feeding and improve the sintering yield.
The object of the present utility model is thus achieved.
The utility model relates to a heating device and a feeding adjusting device of a sintering trolley feeding system, which comprises a mixing bin, a feeding adjusting device and a PLC automatic control system, and is characterized in that two side walls of the mixing bin are provided with at least one row of heating device mounting holes, the heating device is composed of a plurality of steam injection components, one end of each steam injection component penetrates through each heating device mounting hole to extend into the mixing bin, the other end of each steam injection component is connected with an external steam source, and the lower parts of the steam injection components on the two side walls of the mixing bin are also provided with a temperature sensor and a humidity sensor;
the feeding adjusting device comprises a feeding hopper connected with the lower part of the mixing bin, a sector feeding gate hinged with the lower part of the feeding hopper and an auxiliary feeding adjusting component arranged on the sector feeding gate,
the auxiliary feeding adjusting component comprises a chute of an auxiliary feeding adjusting door arranged on the fan-shaped feeding gate, an auxiliary feeding adjusting door in sliding connection with the chute and an electro-hydraulic push rod, wherein a hinged support A and a hinged support B are respectively arranged on the fan-shaped feeding gate and the auxiliary feeding adjusting door, the power end of the electro-hydraulic push rod is hinged with the hinged support A, and the end part of a telescopic oil cylinder of the electro-hydraulic push rod is hinged with the hinged support B;
the steam jet assembly, the temperature sensor and the humidity sensor are electrically connected with the automatic control system through electro-hydraulic push rods.
Further, the steam spraying assembly includes: the device comprises an ingress pipe, a steam spray head, steam branch pipes, a junction pipe, a steam stop valve and a steam main pipe, wherein the ingress pipe is welded on a mounting hole on the side wall of a mixed ore bin, the steam spray head penetrates through the ingress pipe, one end of the ingress pipe stretches into the mixed ore bin, the other end of the ingress pipe is connected with one end of the junction pipe through a flange, the other end of the junction pipe is connected with the steam branch pipes through the flange, the steam stop valve is arranged on the steam branch pipes, each steam branch pipe is connected with an external steam source through the steam main pipe, and the steam stop valve is electrically connected with a PLC automatic control system. .
Further, the steam jet assemblies are arranged in a plurality of groups of double rows, and each row is equidistantly arranged on two side walls of the mixture.
Further, the end part of the steam nozzle is a pointed end, and three nozzles are arranged in the range of an included angle of 120 degrees, which takes the central line of the steam nozzle as the center, at the lower part of the front end of the nozzle.
Compared with the prior art, the utility model has the advantages that:
1) According to the utility model, the steam injection assemblies are arranged on the two sides of the mixture ore bin, so that the heating area of the mixture is increased, the temperature of the mixture is increased, and the heating speed is high; in addition, a heating belt is formed between the two layers of heating devices, and the heat preservation effect on the mixture can be achieved.
2) According to the material level meter and the auxiliary feeding adjusting door, once material distribution segregation occurs, the material level meter can prompt and alarm in time, and an operator can remotely and timely adjust the auxiliary feeding adjusting door in an operation room, so that production accidents caused by sintering and material distribution segregation are avoided, and energy waste is caused.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a side view of the mixing silo.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is a C-C cross-sectional view of fig. 3.
Fig. 5 is a schematic view of the structure of the feed adjusting device.
Fig. 6 is a side view of fig. 5.
Fig. 7 is an enlarged view of a portion B of fig. 5.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in figures 1-4, the heating device and the feeding regulating device of the sintering trolley feeding system comprise a mixing bin 1, a feeding regulating device 2 and a PLC automatic control system which are arranged at the lower part of the mixing bin 1, and are characterized in that at least one row of heating device mounting holes 4 are formed in the two side walls of the mixing bin 1, the heating device consists of a plurality of steam jet assemblies 1-1, one end of each steam jet assembly 1-1 penetrates through the heating device mounting hole 4 to extend into the mixing bin 1, the other end is connected with an external steam source, a temperature sensor 1-2 and a humidity sensor 1-3 are further arranged at the lower part of each steam jet assembly 1-1 on the two side walls of the mixing bin 1,
at least one row of heating device mounting holes 4 are formed in the two side walls of the mixing bin 1, a steam injection assembly 1-1 is arranged on each heating device mounting hole 4, and a temperature sensor 1-2 and a humidity sensor 1-3 are also arranged on the lower part of the steam injection assembly 1-1 on the two side walls of the mixing bin 1;
the steam spraying assembly 1-1 according to the present utility model includes: the steam nozzle comprises an ingress pipe 1-1-2, a steam nozzle 1-1-1, a steam branch pipe 1-1-5, a junction pipe 1-1-3, a steam stop valve 1-1-6 and a steam main pipe 1-1-4, wherein the ingress pipe 1-1-2 is welded on a mounting hole on the side wall of a mixing bin 1, the steam nozzle 1-1 penetrates through the ingress pipe 1-1-2, one end of the steam nozzle 1-1 stretches into the mixing bin 1, the other end of the steam nozzle is connected with one end of the junction pipe 1-1-3 through a flange, the other end of the junction pipe 1-1-3 is connected with the steam branch pipe 1-1-5 through a flange, the steam stop valve 1-1-6 is arranged on the steam branch pipe 1-1-5, and the steam branch pipe 1-1-5 is connected with an external steam source through the steam main pipe 1-1-4;
the steam stop valve 1-1-6, the temperature sensor 1-2, the humidity sensor 1-3 and each electro-hydraulic push rod 2-3-1 are electrically connected with the PLC automatic control system. The PLC automatic control system is the prior art and will not be described here.
The steam jet assemblies 1-1 are arranged in a plurality of groups of double rows, and each row is equidistantly arranged on two side walls of the mixture 1. A heating belt is formed between the double-layer heating devices of the embodiment, and the heat preservation effect on the mixture can be achieved.
The end part of the steam nozzle 1-1-1 is a pointed end, and three nozzles 1-1-7 are arranged in the range of an included angle of 120 degrees, which takes the central line of the steam nozzle as the center, at the lower part of the front end of the nozzle. The structural arrangement firstly has the advantages that the nozzles are not easy to block, the angles for jetting out steam are large, the coverage area is large, the heating area of the mixture is large, and the structural arrangement is favorable for improving the temperature of the mixture and has high heating speed.
Because the steam nozzle 1-1-1 is inserted into the mixture for working, the insertion part of the steam nozzle 1-1-1 is easy to wear and needs to be replaced at any time, and the utility model is characterized in that a nipple 1-1-3 is connected between the steam branch pipeline 1-1-5 and the steam nozzle 1-1-1 through a flange. The length of the nipple 1-1-3 is longer than that of the steam nozzle 1-1-1, so that convenience is provided when the steam nozzle 1-1-1 is maintained and replaced, and the nipple 1-1-3 can be removed only by disassembling flange bolts at two ends of the nipple 1-1-3.
But the 1-1-6 steam shut-off valve is closed prior to removal of the 1-1-3 nipple. Then the 1-1-3 short pipe is disassembled, and the 1-1-1 steam nozzle 1-1 on any branch can be replaced under the condition that the normal steam supply of other branches is not influenced by the arrangement of the 1-1-6 steam stop valve.
A plurality of steam jet assemblies are arranged on two sides of the mixed material ore bin, so that the heated area of the mixed material is increased, the temperature of the mixed material is improved, and the heating speed is high; in addition, a heating belt is formed between the two layers of heating devices, and the heat preservation effect on the mixture can be achieved.
As shown in fig. 5 to 7, the feed adjusting device 2 according to the present utility model includes a hopper 2-1 connected to a lower portion of a mixing hopper, a sector feed gate 2-2 hinged to the lower portion of the hopper and an auxiliary feed adjusting member 2-3 provided thereon,
the auxiliary feeding adjusting member 2-3 comprises a chute of an auxiliary feeding adjusting door arranged on the fan-shaped feeding gate 2-2, the auxiliary feeding adjusting door 2-3-3 and an electro-hydraulic push rod 2-3-1 which are connected with the chute in a sliding mode, a hinged support A2-3-2 and a hinged support B2-3-4 are respectively arranged on the fan-shaped feeding gate 2-2 and the auxiliary feeding adjusting door 2-3, the power end of the electro-hydraulic push rod 2-3-1 is hinged with the hinged support A2-3-2, and the end portion of a telescopic oil cylinder of the electro-hydraulic push rod is hinged with the hinged support B2-3-4.
FIG. 6 shows an embodiment in which seven auxiliary feeding regulating gates 2-3-3 are provided on a fan-shaped feeding gate 2-2, an electro-hydraulic push rod 2-3-1 is provided on each of the seven auxiliary feeding regulating gates 2-3-3, then a detection signal of a radar thickness gauge and a signal received by an electro-hydraulic push rod executing element enter a PLC automatic control system at the same time, at this time, once a segregation phenomenon occurs in cloth, a prompt is sent out after the detection of the radar thickness gauge, and an instruction can be timely sent out to the electro-hydraulic push rod 2-3-1 to regulate the auxiliary feeding regulating gate 2-3-3, so that energy waste caused by cloth segregation is completely avoided.
Claims (4)
1. The heating device of the sintering trolley feeding system and the feeding adjusting device comprise a mixing bin, a feeding adjusting device and a PLC automatic control system, and are characterized in that at least one row of heating device mounting holes are formed in two side walls of the mixing bin, the heating device consists of a plurality of steam injection components, one ends of the steam injection components penetrate through the heating device mounting holes to extend into the mixing bin, the other ends of the steam injection components are connected with an external steam source, and a temperature sensor and a humidity sensor are further arranged on the lower parts of the steam injection components on the two side walls of the mixing bin;
the feeding adjusting device comprises a feeding hopper connected with the lower part of the mixing bin,
a sector feed gate hinged with the lower part of the hopper and an auxiliary feed adjusting member arranged on the sector feed gate,
the auxiliary feeding adjusting component comprises a chute of an auxiliary feeding adjusting door arranged on the fan-shaped feeding gate, an auxiliary feeding adjusting door in sliding connection with the chute and an electro-hydraulic push rod, wherein a hinged support A and a hinged support B are respectively arranged on the fan-shaped feeding gate and the auxiliary feeding adjusting door, the power end of the electro-hydraulic push rod is hinged with the hinged support A, and the end part of a telescopic oil cylinder of the electro-hydraulic push rod is hinged with the hinged support B;
and each electro-hydraulic push rod of the temperature sensor and the humidity sensor is electrically connected with the PLC automatic control system.
2. The warming device and feed adjustment device of a sintering pallet feed system of claim 1, wherein the steam injection assembly comprises: the device comprises an ingress pipe, a steam spray head, steam branch pipes, a junction pipe, a steam stop valve and a steam main pipe, wherein the ingress pipe is welded on a mounting hole on the side wall of a mixed ore bin, the steam spray head penetrates through the ingress pipe, one end of the ingress pipe stretches into the mixed ore bin, the other end of the ingress pipe is connected with one end of the junction pipe through a flange, the other end of the junction pipe is connected with the steam branch pipes through the flange, the steam stop valve is arranged on the steam branch pipes, each steam branch pipe is connected with an external steam source through the steam main pipe, and the steam stop valve is electrically connected with a PLC automatic control system.
3. The heating apparatus and the feeding regulator of the feeding system of the sintering pallet according to claim 2, wherein the steam spraying components are arranged in a plurality of groups of double rows, and each row is arranged on two side walls of the mixture at equal intervals.
4. The heating apparatus and the feeding regulator of the feeding system of the sintering pallet according to claim 2, wherein the end of the steam nozzle is a pointed end, and three nozzles are opened in a range of 120 ° included angles with the center line of the steam nozzle as the center at the lower part of the front end of the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788455.5U CN220304247U (en) | 2023-07-10 | 2023-07-10 | Heating device and feeding adjusting device of sintering trolley feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788455.5U CN220304247U (en) | 2023-07-10 | 2023-07-10 | Heating device and feeding adjusting device of sintering trolley feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304247U true CN220304247U (en) | 2024-01-05 |
Family
ID=89374821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321788455.5U Active CN220304247U (en) | 2023-07-10 | 2023-07-10 | Heating device and feeding adjusting device of sintering trolley feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304247U (en) |
-
2023
- 2023-07-10 CN CN202321788455.5U patent/CN220304247U/en active Active
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