CN216585135U - Batch type mineral powder sintering equipment - Google Patents
Batch type mineral powder sintering equipment Download PDFInfo
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- CN216585135U CN216585135U CN202220054532.3U CN202220054532U CN216585135U CN 216585135 U CN216585135 U CN 216585135U CN 202220054532 U CN202220054532 U CN 202220054532U CN 216585135 U CN216585135 U CN 216585135U
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Abstract
The utility model provides an intermittent type formula powdered ore sintering equipment, its structure includes: the structure includes: band conveyer controls the feed bin, controls fritting furnace, screw feeder, combustor, air inlet system and exhaust system, and wherein, band conveyer sets up the top of feed bin about, and the bottom of left and right feed bin is provided with screw feeder and controls the top of fritting furnace to be connected, and the bottom level of controlling the fritting furnace is provided with spiral roller tooth grate, and discharge hopper about the spiral roller tooth grate bottom is connected respectively, controls the discharge hopper and is connected with spiral discharge machine through the chute, with control what discharge hopper was connected air inlet system and exhaust system in addition. When the right sintering furnace is in sintering operation, the spiral roller tooth fire grate at the bottom of the left sintering furnace is started, clinker is extruded and crushed by the spiral roller tooth to enter the left discharge hopper, and then is discharged by the spiral discharging machine to be sent to the blast furnace for standby, and so on, and the left sintering furnace and the right sintering furnace intermittently and automatically work under the control of the industrial control computer.
Description
Technical Field
The utility model relates to the field of environmental protection, in particular to an intermittent mineral powder sintering device.
Background
In the existing blast furnace ironmaking technology, iron ore is crushed and screened to obtain iron-rich ore powder, the iron-rich ore powder is made into sintering furnace charge through pelletizing and sintering, the sintering furnace charge is smelted with coke in a blast furnace to be made into pig iron, the traditional sintering material production process is to calcine material pellets in a chain type sintering furnace, and the chain type sintering furnace calcination process has the following defects in practical application: semi-open sintering has the disadvantages of large heat loss, large fuel loss, slow sintering speed, high concentration of carbon monoxide in flue gas and serious environmental pollution.
Disclosure of Invention
The utility model aims at providing an intermittent type formula powdered ore sintering equipment.
The utility model aims at realizing according to the following mode:
the utility model aims at providing an intermittent type formula powdered ore sintering equipment, its structure includes: band conveyer controls the feed bin, controls fritting furnace, screw feeder, combustor, air inlet system and exhaust system, and wherein, band conveyer sets up the top of feed bin about, and the bottom of left and right feed bin is provided with screw feeder and controls the top of fritting furnace to be connected, and the bottom level of controlling the fritting furnace is provided with spiral roller tooth grate, and discharge hopper about the spiral roller tooth grate bottom is connected respectively, controls the discharge hopper and is connected with spiral discharge machine through the chute, with control what discharge hopper was connected air inlet system and exhaust system in addition.
The intermittent mineral powder sintering equipment is characterized in that a fuel conveying pipe is arranged between a left sintering furnace and a right sintering furnace which are arranged in parallel, the lower end of the fuel conveying pipe is connected with a burner, and the burner is respectively communicated with the space above the left sintering furnace and the right sintering furnace.
The intermittent mineral powder sintering equipment comprises an air inlet system, an air outlet system and an air inlet electric valve, wherein the air inlet system comprises a main air inlet pipe, an auxiliary air inlet pipe and an air inlet electric valve, the lower end of the auxiliary air inlet pipe is connected with main air inlet, the upper end of the auxiliary air inlet pipe is connected with a cavity above a discharge hopper, and the air inlet electric valve is connected in series in the middle of the auxiliary air inlet pipe.
The intermittent mineral powder sintering equipment comprises a main smoke exhaust pipe, an auxiliary smoke exhaust pipe and a smoke exhaust motor, wherein the lower end of the auxiliary smoke exhaust pipe is connected with the left end of the main smoke exhaust pipe, the upper end of the auxiliary smoke exhaust pipe is communicated with a cavity above a discharge hopper, the middle of the auxiliary smoke exhaust pipe is connected with the smoke exhaust motor in series, and the right end of the main smoke exhaust pipe is connected with a draught fan in series and a dust remover in series and is connected with the bottom of a chimney.
The top of the left sintering furnace and the top of the right sintering furnace are provided with a temperature sensor and a material level height sensor, and the material level height sensor, the temperature sensor, the spiral feeding machine, the spiral roller tooth grate, the air inlet electric valve and the smoke exhaust electric valve are connected with a general industrial control computer through data lines.
The utility model has the advantages that: energy saving, high efficiency, environmental protection and high automation.
Drawings
FIG. 1 is a schematic view of the overall structure of a batch-type ore powder sintering apparatus;
FIG. 2 is a schematic view of a schematic side view of a part of a batch-type mineral powder sintering apparatus.
Description of reference numerals: the device comprises a belt conveyor 1, a left bin 2, a right bin 3, a screw feeder 4, a left sintering furnace 5, a right sintering furnace 6, a spiral roller tooth grate 7, a left discharge hopper 8, a right discharge hopper 9, a left auxiliary air inlet pipe 10, a right auxiliary air inlet pipe 11, a left air inlet electric valve 12, a right air inlet electric valve 13, a main air inlet pipe 14, a left smoke exhaust pipe 15, a right smoke exhaust pipe 16, a spiral discharge machine 17, a left discharge electric valve 18, a right discharge electric valve 19, a main smoke exhaust pipe 20, an induced draft fan 21, a dust remover 22, a chimney 23, a material level height sensor 24, a temperature sensor 25, and burners 26 and 27.
Detailed Description
The apparatus of the present invention is described in detail below with reference to the accompanying drawings.
A batch type mineral powder sintering device comprises the following equipment structures: band conveyer 1, control feed bin 2, 3, control fritting furnace 5, 6, screw feeder 4, combustor 26, air inlet system and exhaust fume system, wherein, band conveyer 1 sets up about feed bin 2, 3 top, control the bottom of feed bin 2, 3 and be provided with screw feeder 4 and control fritting furnace 5, 6 top connection, control fritting furnace 5, 6 bottom level is provided with spiral roller tooth grate 7, discharge hopper 8, 9 about spiral roller tooth grate 7 bottom is connected respectively, control discharge hopper 8, 9 and be connected with spiral discharge machine 17 through the chute, with control discharge hopper 8, 9 be connected air inlet system and exhaust fume system in addition.
In the intermittent mineral powder sintering equipment, a fuel conveying pipe 27 is arranged between the left sintering furnace 5 and the right sintering furnace 6 which are arranged in parallel, the lower end of the fuel conveying pipe 27 is connected with a burner 26, and the burner 26 is respectively communicated with the space above the left sintering furnace 5 and the right sintering furnace 6.
An intermittent type formula powdered ore sintering equipment, air inlet system include main air-supply line 14, vice air- supply line 10, 11 and air inlet electronic 12, 13, the lower extreme and the main air-supply line 14 of vice air- supply line 10, 11 are connected, the upper end is connected with the top cavity of row material fill 8, 9, air inlet motorised valve 12, 13 concatenate in the centre of vice air- supply line 10, 11.
The intermittent mineral powder sintering equipment comprises a main smoke exhaust pipe 20, auxiliary smoke exhaust pipes 15 and 16 and smoke exhaust motors 18 and 19, wherein the lower ends of the auxiliary smoke exhaust pipes 15 and 16 are connected with the left end of the main smoke exhaust pipe 20, the upper ends of the auxiliary smoke exhaust pipes 15 and 16 are communicated with cavities above discharge hoppers 8 and 9, the smoke exhaust motors 18 and 19 are connected in series between the auxiliary smoke exhaust pipes 15 and 16, and the right end of the main smoke exhaust pipe 20 is connected with a draught fan 21 and a dust remover 22 in series and is connected with the bottom of a chimney 23.
The top of the left sintering furnace 5 and the top of the right sintering furnace 6 are provided with a temperature sensor 25 and a material level height sensor 24, and the material level height sensor 24, the temperature sensor 25, the spiral feeder 4, the spiral roller tooth grate 7, the air inlet electric valves 12 and 13 and the smoke exhaust electric valves 18 and 19 are connected with a general computer through data lines.
Example (b):
step 1) a belt conveyor is controlled by an industrial control computer to feed materials to a left material bin and a right material bin, a spiral feeder at the bottom of each material bin uniformly distributes materials to a left sintering furnace and a right sintering furnace, a spiral roller gear grate and a spiral discharging machine at the bottom of each sintering furnace are in a static state, when the material level height of the left sintering furnace and the right sintering furnace reaches a designed height, a material level height sensor is triggered, the spiral feeder stops feeding, an air inlet electric valve connected with a left discharging hopper is closed, and a smoke discharging electric valve is opened;
the air inlet electric valve connected with the right discharge hopper is opened, the right smoke discharge electric valve is closed, the burner in the middle of the left sintering furnace and the right sintering furnace is ignited, the right air inlet pipe provides air for the burner and is mixed and combusted with fuel gas or coal powder fed by the fuel conveying pipe, flame and heat after fuel combustion enter the top of the left sintering furnace and are contacted with sintering raw materials, the flame and the heat penetrate through the raw materials of the left sintering furnace to be sintered downwards under the negative pressure action of the induced draft fan, smoke generated by sintering enters the left smoke discharge pipe in the left discharge hopper and enters a chimney through the induced draft fan and the dust remover;
and 2) when the raw material of the left sintering furnace reaches a set temperature through upper and lower sintering curing, sending an instruction to an industrial control computer by a temperature sensor, closing a smoke exhaust electric valve connected with a left discharge hopper, opening an air inlet electric valve, closing an air inlet electric valve connected with a right discharge hopper, opening the smoke exhaust electric valve, blowing air into the sintered clinker from the bottom of the left sintering furnace by the left air inlet electric valve, heating cold air by the sintered clinker, then feeding the cold air into a burner, feeding high-temperature flame generated by the burner into the right sintering furnace rightwards, sintering the clinker from the top of the right sintering furnace downwards, feeding smoke into the right discharge hopper downwards through a raw material layer of the right sintering furnace, feeding the smoke into a dust remover and a chimney through a right auxiliary smoke exhaust pipe under the negative pressure action of a draught fan, and discharging the smoke into the atmosphere.
Step 3) when the right sintering furnace is in sintering operation, the spiral roller tooth grate at the bottom of the left sintering furnace is started, clinker is extruded and crushed by the roller teeth and enters a left discharge hopper, and then is discharged by a spiral discharging machine and sent to a blast furnace for standby, and high-pressure air blown by generated smoke dust from an air inlet pipe upwards enters the right sintering furnace through the left sintering furnace;
and 4) repeating the steps, wherein the left sintering furnace and the right sintering furnace intermittently and automatically work under the control of an industrial control computer.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (5)
1. An intermittent mineral powder sintering device is characterized by comprising the following structures: band conveyer controls the feed bin, controls fritting furnace, screw feeder, combustor, air inlet system and exhaust system, and wherein, band conveyer sets up the top of feed bin about, and the bottom of left and right feed bin is provided with screw feeder and controls the top of fritting furnace to be connected, and the bottom level of controlling the fritting furnace is provided with spiral roller tooth grate, and discharge hopper about the spiral roller tooth grate bottom is connected respectively, controls the discharge hopper and is connected with spiral discharge machine through the chute, with control what discharge hopper was connected air inlet system and exhaust system in addition.
2. The batch-type mineral powder sintering equipment according to claim 1, characterized in that: a fuel conveying pipe is arranged between the left sintering furnace and the right sintering furnace which are parallel, the lower end of the fuel conveying pipe is connected with a burner, and the burner is respectively communicated with the space above the left sintering furnace and the right sintering furnace.
3. The batch-type mineral powder sintering equipment according to claim 1, characterized in that: the air inlet system comprises a main air inlet pipe, an auxiliary air inlet pipe and an air inlet electric valve, the lower end of the auxiliary air inlet pipe is connected with main air inlet, the upper end of the auxiliary air inlet pipe is connected with a cavity above the discharge hopper, and the air inlet electric valve is connected in series in the middle of the auxiliary air inlet pipe.
4. The batch-type mineral powder sintering equipment according to claim 1, characterized in that: the smoke exhaust system comprises a main smoke exhaust pipe, an auxiliary smoke exhaust pipe and a smoke exhaust motor, wherein the lower end of the auxiliary smoke exhaust pipe is connected with the left end of the main smoke exhaust pipe, the upper end of the auxiliary smoke exhaust pipe is communicated with a cavity above the discharge hopper, the middle of the auxiliary smoke exhaust pipe is connected with the smoke exhaust motor in series, and the right end of the main smoke exhaust pipe is connected with a draught fan and a dust remover in series and is connected with the bottom of a chimney.
5. The batch-type mineral powder sintering equipment according to claim 1, characterized in that: the top of the left sintering furnace and the top of the right sintering furnace are provided with a temperature sensor and a material level height sensor, and the material level height sensor, the temperature sensor, the spiral feeding machine, the spiral roller tooth grate, the air inlet electric valve and the smoke exhaust electric valve are connected with a general computer through data lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220054532.3U CN216585135U (en) | 2022-01-10 | 2022-01-10 | Batch type mineral powder sintering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220054532.3U CN216585135U (en) | 2022-01-10 | 2022-01-10 | Batch type mineral powder sintering equipment |
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| CN216585135U true CN216585135U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220054532.3U Active CN216585135U (en) | 2022-01-10 | 2022-01-10 | Batch type mineral powder sintering equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182090A (en) * | 2022-01-10 | 2022-03-15 | 张亚玉 | Batch type mineral powder sintering equipment and sintering method |
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2022
- 2022-01-10 CN CN202220054532.3U patent/CN216585135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182090A (en) * | 2022-01-10 | 2022-03-15 | 张亚玉 | Batch type mineral powder sintering equipment and sintering method |
| CN114182090B (en) * | 2022-01-10 | 2024-07-12 | 张亚玉 | Intermittent mineral powder sintering equipment and sintering method |
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