CN105333446A - Burning device of coal slime dust burn-back furnace - Google Patents
Burning device of coal slime dust burn-back furnace Download PDFInfo
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- CN105333446A CN105333446A CN201410399924.3A CN201410399924A CN105333446A CN 105333446 A CN105333446 A CN 105333446A CN 201410399924 A CN201410399924 A CN 201410399924A CN 105333446 A CN105333446 A CN 105333446A
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Abstract
The invention relates to equipment for drying coal slime dust, in particular to a burning device of a coal slime dust burn-back furnace. The burning device comprises a roller dryer, an air blower, a cyclone dust collector communicated with the rear end of the roller dryer and a rotary burning furnace communicated with the front end of the roller dryer. The rotary burning furnace is communicated with a coal grinding dusting machine. The air blower is included and communicated with a first conveying pipeline. A three-way material conveying pipe is arranged on the lower portion of the cyclone dust collector and communicated with the first conveying pipeline. The first conveying pipeline is communicated with the rotary burning furnace through a second conveying pipeline. The upper portion of the cyclone dust collector is communicated with a belt type dust collector. A settling chamber is arranged between the rotary burning furnace and the roller dryer and is communicated with the rotary burning furnace, and meanwhile communicated with the roller dryer through a hot air connecting pipe. By means of a Mongolian coal quality improving system, the power of the air blower is far lower than that of the coal grinding dusting machine, and electric energy is saved; and by means of the Mongolian coal quality improving system, the coal quality is improved.
Description
Technical field
The present invention relates to a kind of equipment that coal slime dust is dried, be specifically related to a kind of combustion device for coal slime dust back combustion device.
Background technology
At present, along with the anxiety of coal resources, the coal slime as coal industry deep processing byproduct is also thereupon well sold and in short supply, but due to coal slime moisture content higher, must could use after drying.Therefore, the domestic system having occurred a lot of relevant coal slime oven dry, can reduce the original moisture content of coal slime, make full use of this resource, turn waste into wealth.Cover the stable of coal upgrading system.Adopt three layers of drying drum to make full use of heat energy, improve the utilization rate of heat energy.Coal slime special furnace is originally furnished with coal-grinding and powder-spraying machine, utilizes coal-grinding and powder-spraying machine that coal is worn into the burning of coal dust supply stove.Coal-grinding and powder-spraying machine is furnished with special power, and power is larger.Our company is when technical research theory and practice combines, adopt combustion device for coal slime dust back combustion device, when coal slime drying plant startup optimization, after 30 minutes, start in cyclone dust removal discharger to pile up coal slime dust, be connected with threeway under cyclone dust removal discharger, one end outlet of threeway is in the upper end of discharging machine, and the other end is connected with pipeline.Pipeline one end is connected with air blast, and the other end is connected with stove by flexible pipe.The material that the discharging of sack cleaner brings out, is transported to pipeline by conveying worm.Now, air blast starts the stove, the expansion chamber burning that coal dust are transported to coal slime special furnace, and the coal-grinding and powder-spraying machine of coal slime special furnace can be out of service.The power of air blast is very little, very good through client's result of use, saves electric energy, and maintenance is few, improves the quality of coal.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art and provide a kind of electric energy that consumes few, and the combustion device for coal slime dust back combustion device of the dries quantity of the coal dust that can improve.
The object of the present invention is achieved like this: a kind of combustion device for coal slime dust back combustion device, comprise roller drying machine, air blast, the cyclone dust collectors be communicated with roller drying machine rear end, the rotary burner that is communicated with roller drying machine front end, described rotary burner is communicated with coal-grinding and powder-spraying machine, also comprise an air blast 6, described air blast is communicated with conveyance conduit one, described rotary dust wiper bottom is provided with threeway conveying pipeline, described threeway conveying pipeline is communicated with conveyance conduit one, and described conveyance conduit one is communicated with rotary burner by conveyance conduit two; Described cyclone dust collectors top is communicated with belt deduster; Be provided with expansion chamber between described rotary burner and roller drying machine, described expansion chamber is communicated with rotary burner, is communicated with again by hot blast tube connector with roller drying machine simultaneously; Described hot blast tube connector is communicated with disintegrating machine again;
Described disintegrating machine is provided with feed hopper, and feed hopper is communicated with hot blast tube connector by conveying pipeline one, conveying pipeline two.
Described belt deduster is communicated with air-introduced machine.
Roller drying machine is provided with discharge nozzle.
Described roller drying machine and electric cabinet control connection.
Described conveyance conduit one is communicated with expansion chamber by conveyance conduit three again.
Tool of the present invention has the following advantages:
1, the present invention covers coal upgrading system, and the power of the power ratio coal-grinding and powder-spraying machine of air blast is much smaller, saves electric energy.
2, the present invention covers coal upgrading system, improves the quality of coal.
Accompanying drawing explanation
Fig. 1 is partial structurtes schematic diagram of the present invention.
Fig. 2 is the structural representation overlooked of the present invention.
Fig. 3 is the enlarged drawing of part A in Fig. 1.
Fig. 4 is the enlarged drawing of part B in Fig. 1.
Fig. 5 is the enlarged drawing of C part in Fig. 2.
Detailed description of the invention
Below in conjunction with concrete embodiment, the invention will be further described.
As Fig. 1, 2, 3, 4, shown in 5, a kind of combustion device for coal slime dust back combustion device, comprise roller drying machine 3, air blast 6, the cyclone dust collectors 4 be communicated with roller drying machine 3 rear end, the rotary burner 1 be communicated with roller drying machine 3 front end, described rotary burner 1 is communicated with coal-grinding and powder-spraying machine 15, also comprise an air blast 6, described air blast 6 is communicated with conveyance conduit 1, described rotary dust wiper 4 bottom is provided with threeway conveying pipeline 17, described threeway conveying pipeline 17 is communicated with conveyance conduit 1, described conveyance conduit 1 is communicated with rotary burner 1 by conveyance conduit 2 18, described cyclone dust collectors 4 top is communicated with belt deduster 10, be provided with expansion chamber 13 between described rotary burner 1 and roller drying machine 3, described expansion chamber 13 is communicated with rotary burner 1, is communicated with again by hot blast tube connector 2 with roller drying machine 3 simultaneously, described hot blast tube connector 2 is communicated with disintegrating machine 12 again.
Described disintegrating machine 12 is provided with feed hopper 7, and feed hopper 7 is communicated with hot blast tube connector 2 by conveying pipeline 1, conveying pipeline 28.
Described belt deduster 10 is communicated with air-introduced machine 5.
Roller drying machine 3 is provided with discharge nozzle 9.
Described roller drying machine 3 and electric cabinet 14 control connection.
Described conveyance conduit 1 is communicated with expansion chamber 13 by conveyance conduit 3 19 again.
The present invention covers coal upgrading system, is applicable to cover coal and dries the quality improving coal.When drying plant startup optimization, rotary burner 1 provides thermal source, removes coal dust slag by expansion chamber 13, and hot blast is transported to roller drying machine 3.Now forklift is coal higher for moisture, shovel is in feed bin, feed bin by below slip material mouth, coal is slipped on disintegrating machine 12 charging aperture, and feed of crusher bucket 7 is transported to disintegrating machine 12 by conveying pipeline 1 coal, coal is after fragmentation, fall on conveying pipeline 28 by feed opening, conveying pipeline 28 is transported to roller drying machine 3 coal, and coal is after drying, by cylinder discharging opening, coal is fallen on discharging machine.Roller drying machine 3 inner suspension has coal dust, cyclone dust collectors 4 siphon away removing by pipeline the coal dust in roller drying machine 3, the air outlet of cyclone dust collectors 4 is connected with sack cleaner 10, the wind of the air outlet of cyclone dust collectors is with a small amount of dust, removed by sack cleaner 10, the air outlet of sack cleaner 10 is connected with air-introduced machine 5, and clean air is discharged to outdoor.After 30 minutes, start to pile up coal dust in cyclone dust collectors 4, sack cleaner 10, cyclone dust collectors are connected with threeway conveying pipeline 17 4 times, are connected with conveyance conduit 1.Conveyance conduit one one end is connected with air blast 6, and the other end is connected with rotary burner 1 by conveyance conduit 2 18.The material that the discharging of sack cleaner 10 brings out, can be transported to conveyance conduit 1 by conveying worm, and now, air blast 6 starts the stove, the expansion chamber burning that coal dust are transported to rotary burner, and the coal-grinding and powder-spraying machine of rotary burner 1 can be out of service.Discharging machine is transported to coal piling district the coal of drying.
Operation principle is as follows:
When drying plant startup optimization, rotary burner 1 provides thermal source, removes coal dust slag by expansion chamber 13, and hot blast is transported to roller drying machine 3.Now forklift is coal higher for moisture, shovels in feed of crusher bucket 7, and coal, after fragmentation, is transported in roller drying machine 3, and coal, after drying, by roller drying machine 3 discharging opening, passes through discharge nozzle 9 discharging coal.Roller drying machine 3 inner suspension has coal dust, cyclone dust collectors 4 siphon away removing by pipeline the coal dust in roller drying machine 3, the air outlet of cyclone dust collectors 4 is connected with sack cleaner 10, the wind of the air outlet of cyclone dust collectors 4 is with a small amount of dust, removed by sack cleaner 10, the air outlet of sack cleaner 10 is connected with air-introduced machine 5, and clean air is discharged to outdoor.After 30 minutes, start to pile up coal dust in cyclone dust collectors 4, sack cleaner 10, cyclone dust collectors are connected with threeway conveying pipeline 74 times, and one end outlet of threeway conveying pipeline 7 is in the upper end of discharge nozzle 9, and the other end is connected with conveyance conduit 1.Conveyance conduit 1 is connected with air blast 6, and the other end is connected with the stove of rotary burner 1 by conveyance conduit 2 18.The material that the discharging of sack cleaner 10 brings out, is transported to conveyance conduit 2 18 by conveying worm, and now, air blast 6 starts the stove of coal dust conveying rotary burner 1, expansion chamber 13 are burnt, and the coal-grinding and powder-spraying machine of rotary burner 1 can be out of service.Discharge nozzle 9 is transported to coal piling district the coal of drying.
Claims (6)
1. a combustion device for coal slime dust back combustion device, comprise roller drying machine (3), air blast (6), the cyclone dust collectors (4) be communicated with roller drying machine (3) rear end, the rotary burner (1) be communicated with roller drying machine (3) front end, described rotary burner (1) is communicated with coal-grinding and powder-spraying machine (15), it is characterized in that: also comprise an air blast (6), described air blast (6) is communicated with conveyance conduit one (16), described rotary dust wiper (4) bottom is provided with threeway conveying pipeline (17), described threeway conveying pipeline (17) is communicated with conveyance conduit one (16), described conveyance conduit one (16) is communicated with rotary burner (1) by conveyance conduit two (18), described cyclone dust collectors (4) top is communicated with sack cleaner (10), described, be provided with expansion chamber (13) between described rotary burner (1) and roller drying machine (3), described expansion chamber (13) is communicated with rotary burner (1), is communicated with again by hot blast tube connector (2) with roller drying machine (3) simultaneously, described hot blast tube connector (2) is communicated with disintegrating machine (12) again.
2. a kind of combustion device for coal slime dust back combustion device according to claim 1, it is characterized in that: described disintegrating machine (12) is provided with feed hopper (7), feed hopper (7) is communicated with hot blast tube connector (2) by conveying pipeline one (11), conveying pipeline two (8).
3. a kind of combustion device for coal slime dust back combustion device according to claim 1, is characterized in that: described sack cleaner (10) is communicated with air-introduced machine (5).
4. a kind of combustion device for coal slime dust back combustion device according to claim 1, is characterized in that: described roller drying machine (3) is provided with discharge nozzle (9).
5. a kind of combustion device for coal slime dust back combustion device according to claim 1, is characterized in that: described roller drying machine (3) and electric cabinet (14) control connection.
6. a kind of combustion device for coal slime dust back combustion device according to claim 1, is characterized in that: described conveyance conduit one (16) is communicated with expansion chamber (13) by conveyance conduit three (19) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399924.3A CN105333446A (en) | 2014-08-15 | 2014-08-15 | Burning device of coal slime dust burn-back furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399924.3A CN105333446A (en) | 2014-08-15 | 2014-08-15 | Burning device of coal slime dust burn-back furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105333446A true CN105333446A (en) | 2016-02-17 |
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ID=55284130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410399924.3A Pending CN105333446A (en) | 2014-08-15 | 2014-08-15 | Burning device of coal slime dust burn-back furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333446A (en) |
-
2014
- 2014-08-15 CN CN201410399924.3A patent/CN105333446A/en active Pending
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Application publication date: 20160217 |