CN205048901U - Device for coal washery coal slime is dried with tunnel cave waste heat of baking bricks - Google Patents
Device for coal washery coal slime is dried with tunnel cave waste heat of baking bricks Download PDFInfo
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- CN205048901U CN205048901U CN201520265093.0U CN201520265093U CN205048901U CN 205048901 U CN205048901 U CN 205048901U CN 201520265093 U CN201520265093 U CN 201520265093U CN 205048901 U CN205048901 U CN 205048901U
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- coal
- coal slime
- whizzer
- baking bricks
- dried
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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
- Y02P10/25—Process efficiency
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a device for coal washery coal slime is dried with tunnel cave waste heat of baking bricks. The utility model relates to a coal washing device. Coal slime drying device includes: draught fan I, rotary drum desiccator, treat that dry coal slime storehouse, feed belt machine, screw feeder and row expect the belt feeder. Draught fan I is connected to bake bricks tunnel cave and rotary drum desiccator through the gas -supply pipe. The rotary drum desiccator sets up the feeder hopper, feed belt machine entering rotary drum desiccator is passed through to the coal slime in treating dry coal slime storehouse, dries high water content coal slime. The rear end of rotary drum desiccator is connected to screw feeder through gas -supply pipe III, coal slime finished product storehouse is sent into through row material belt feeder to the finished product coal cinder of screw feeder after with the drying, the dust, vapour and the harmful gas that simultaneously produce the coal slime desiccator through dust collector dust removal back row to the atmosphere in, avoid air pollution.
Description
Technical field
The utility model relates to a kind of coal washing device, is specifically related to a kind of utilization residual heat of tunnel kiln of baking bricks and carries out the device of slurry of coal washing plant oven dry.
Background technology
The coal gangue perforated brick utilizing gangue, coal slime, coal preparation plant's mud, engineering waste residue etc. to produce, has become the materials for wall extensively adopted at present.Coal gangue perforated brick utilizes tunnel kiln sintering, and in sintering process, gangue, coal slime participate in internal combustion; When coal gangue perforated brick enter tunnel cave cooling section cool time, a large amount of heats can be distributed.Huge hot gas is discharged in tunnel cave ambient air, and containing a large amount of pernicious gases in hot gas, as dust, carbon monoxide, sulphur etc., serious environment pollution, affects the physical and mental health of workman.
The coal separation enterprise close with coal gangue perforated brick manufacturing enterprise, after block cleaned coal screens, remaining coal slime, trickle coal cinder, gangue are after press filtration, and coal slime water content, about 30%, can't use.Coal slime enters drying plant again and dries, and dried coal slime water content is finished product 14%, then is sent to power plant, realizes the comprehensive utilization of the energy.
According to current coal slime stoving process, the coal slime of water content 24% is dried as water content is less than 14% product, need to consume a large amount of heat energy.Enter the baking room of the amount of washing 2000 tons of raw coal coal separations such as day, will burn 36 tons of raw coal for one day; Also there is power consumption simultaneously.
Coal gangue perforated brick manufacturing enterprise factory site, general distance colliery is not far.Equally, Large Coal Washing Plant is also built near colliery mostly.The applicant, for having annual output 200000000 lump coal slag, coal gangue perforated brick, has the enterprise entering the amount of washing 800,000 tons of raw coal coal separation production capacity year simultaneously.Through investigation fully, the heat that sintered coal gangue porous brick tunnel cave gives out being used for coal preparation plant and drying coal slime, have reasonability, technological feasibility, economy and possibility, is again good technical scheme only.
Summary of the invention
Cool the heat given out to make full use of coal gangue perforated brick tunnel cave coal slime is dried, economize energy, avoid containing a large amount of pernicious gas contaminated environment in hot gas, the utility model provides a kind of utilization residual heat of tunnel kiln of baking bricks to carry out the device of slurry of coal washing plant oven dry.Tunnel cave is cooled the hot gas given out and enters whizzer by air-introduced machine, high-moisture coal slime is dried, and the pernicious gas such as carbon monoxide, sulphur porous brick tunnel cave and coal slime produced in the process of heat drying and dust head are filtered by two-stage filter, avoid air pollution.
The utility model is achieved by the following technical solution: a kind of utilization residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, and described coal slime drying unit comprises: air-introduced machine I, whizzer, coal slime storehouse to be dried, feed belt machine, screw feeding machine, discharge belt feeder and coal slime finished bin.It is characterized in that: the import of described air-introduced machine I is connected to the tunnel cave cooling section of tunnel cave of baking bricks by appendix I.The outlet of air-introduced machine I is connected to the front end of whizzer by appendix II.The front end of described whizzer arranges feed hopper.Coal slime to be dried in coal slime storehouse to be dried enters whizzer by feed belt machine and feed hopper.The rear end of whizzer is connected to screw feeding machine by appendix III.Dried finished product coal cinder is sent into coal slime finished bin by discharge belt feeder by described screw feeding machine.The dust that coal slime drier produces by screw feeding machine, steam and pernicious gas go by being discharged in air after dust arrester dedusting.
The two-stage dust arrester that described dust arrester is made up of universe formula deduster and wet scrubber.The inlet end of described universe formula deduster is connected to the top of screw feeding machine by blast pipe I.The outlet side of universe formula deduster is connected to the top of wet scrubber by blast pipe II.The top of described wet scrubber connects tap water pipe network by water inlet pipe valve.The bottom of wet scrubber connects cesspool by blow-off pipe.The upper end of wet scrubber arranges chimney.
Described whizzer is one group, also can be many groups, and many group whizzer head and the tail are connected in series.
Described cesspool is connected concentration basin by dredge pump with pipe valve.
Blast pipe II between described universe formula deduster and wet scrubber arranges air-introduced machine II.
Described water inlet pipe valve (water inlet pipe in valve is arranged and adds drug bucket.
Good effect of the present invention is:
1, make full use of coal gangue perforated brick tunnel cave and cool the heat given out, economize energy, benefits the nation and the people.
2, the pernicious gas such as carbon monoxide, sulphur porous brick tunnel cave and coal slime produced in the process of drying and dust head are filtered by two-stage filter, avoid air pollution.
3, compact conformation, equipment investment expense is low, is convenient to promote the use of.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing is the utility model technological process and equipment arrangement schematic diagram.
In figure: 1, to bake bricks tunnel cave, 1-1, tunnel cave cooling section, 2, appendix I, 2-1, appendix II, 2-2, appendix III, 3, air-introduced machine I, 4, whizzer, 4-1, feed hopper, 5, feed belt machine, 6, coal slime storehouse to be dried, 7, universe formula deduster, 7-1, blast pipe I, 7-2, blast pipe II, 8, air-introduced machine II, 9, wet scrubber, 9-1, chimney, 9-2, add drug bucket, 9-3, water inlet pipe valve, 9-4, tap water pipe network, 9-5, blow-off pipe, 9-6, cesspool, 9-7, dredge pump, 9-8, concentration basin, 10, coal slime finished bin, 11, discharge belt feeder, 12, screw feeding machine.
Detailed description of the invention
Utilization residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, it is characterized in that: coal slime drying unit comprises air-introduced machine I 3, whizzer 4, coal slime storehouse 6 to be dried, feed belt machine 5, screw feeding machine 12, discharge belt feeder 11 and coal slime finished bin 10.The import of described air-introduced machine I 3 is connected to the tunnel cave cooling section 1-2 of tunnel cave 1 of baking bricks by appendix I 2; The outlet of air-introduced machine I 3 is connected to the front end of whizzer 4 by appendix II 2-1.The front end of described whizzer 4 arranges feed hopper 4-1; Coal slime to be dried in coal slime storehouse 6 to be dried enters whizzer 4 by feed belt machine 5 and feed hopper 4-1.The rear end of whizzer 4 is connected to screw feeding machine 12 by appendix III 2-2.Dried finished product coal cinder is sent into coal slime finished bin 10 by discharge belt feeder 11 by described screw feeding machine 12.Dust, steam and the pernicious gas that dry for coal slime drying machine 4 produces goes by being discharged in air after dust arrester dedusting by screw feeding machine 12.
The two-stage dust arrester that described dust arrester is made up of universe formula deduster 7 and wet scrubber 9.The inlet end of described universe formula deduster 7 is connected to the top of screw feeding machine 12 by blast pipe I 7-1; The outlet side of universe formula deduster 7 is connected to the top of wet scrubber 9 by blast pipe II 7-2.
The top of described wet scrubber (9) connects tap water pipe network 9-4 by water inlet pipe valve 9-3.The bottom of wet scrubber 9 connects cesspool 9-6 by blow-off pipe 9-5.The upper end of wet scrubber 9 arranges chimney 9-1, and the air up to standard of the pollution after dedusting, steam are discharged in air by chimney 9-1 and go.
Whizzer 4 is one group, and according to the magnitude of residual heat of tunnel kiln of baking bricks and the capacity of drying machine, whizzer 4 also can be many groups; Many groups whizzer 4 head and the tail are connected in series.The present embodiment adopts three groups.
Described cesspool 9-6 is connected concentration basin 9-8 by dredge pump 9-7 with pipe valve.Coal dust in sewage, sandstone particulate, after concentrated, be used further to bake bricks, realize the comprehensive utilization of material, reduce again the pollution to environment.
Blast pipe II 7-2 between described universe formula deduster 7 and wet scrubber 9 arranges air-introduced machine II 8.The effect of air-introduced machine II 8 is that the gas after universe formula deduster 7 is filtered successfully enters wet scrubber 9 and carries out desulfurization process.
Water inlet pipe in described water inlet pipe valve 9-3 valve is arranged and adds drug bucket 9-2.According to the harmful substance kind produced in bake bricks tunnel cave 1 and whizzer 4 production process and content size, different chemical agents is added by adding drug bucket 9-2, make the gas after dedusting reach the mark discharge standard of national regulation, be together directly discharged in air with the moisture of coal slime and go.
Claims (7)
1. utilization residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, and described coal slime drying unit comprises: air-introduced machine I (3), whizzer (4), coal slime storehouse to be dried (6), feed belt machine (5), screw feeding machine (12), discharge belt feeder (11) and coal slime finished bin (10); It is characterized in that: the import of described air-introduced machine I (3) is connected to the tunnel cave cooling section (1-2) of tunnel cave of baking bricks (1) by appendix I (2); The outlet of air-introduced machine I (3) is connected to the front end of whizzer (4) by appendix II (2-1); The front end of described whizzer (4) arranges feed hopper (4-1); Coal slime to be dried in coal slime storehouse (6) to be dried enters whizzer (4) by feed belt machine (5) and feed hopper (4-1); The rear end of whizzer (4) is connected to screw feeding machine (12) by appendix III (2-2); Dried finished product coal cinder is sent into coal slime finished bin (10) by discharge belt feeder (11) by described screw feeding machine (12); Dust, steam and pernicious gas that coal slime drier (4) produces by screw feeding machine (12) go by being discharged in air after dust arrester dedusting.
2. utilization according to claim 1 residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, it is characterized in that: the two-stage dust arrester that described dust arrester is made up of universe formula deduster (7) and wet scrubber (9); The inlet end of described universe formula deduster (7) is connected to the top of screw feeding machine (12) by blast pipe I (7-1); The outlet side of universe formula deduster (7) is connected to the top of wet scrubber (9) by blast pipe II (7-2); The top of described wet scrubber (9) connects tap water pipe network (9-4) by water inlet pipe valve (9-3); The bottom of wet scrubber (9) connects cesspool (9-6) by blow-off pipe (9-5); The upper end of wet scrubber (9) arranges chimney (9-1).
3. utilization according to claim 1 residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, it is characterized in that: described whizzer (4) is one group.
4. utilization according to claim 1 residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, it is characterized in that: described whizzer (4) is many groups; Organize whizzer (4) head and the tail to be connected in series more.
5. utilization according to claim 2 residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, it is characterized in that: described cesspool (9-6) is connected concentration basin (9-8) by dredge pump (9-7) with pipe valve.
6. utilization according to claim 2 residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, it is characterized in that: the blast pipe II (7-2) between described universe formula deduster (7) and wet scrubber (9) arranges air-introduced machine II (8).
7. utilization according to claim 2 residual heat of tunnel kiln of baking bricks carries out the device of slurry of coal washing plant oven dry, it is characterized in that: the water inlet pipe in described water inlet pipe valve (9-3) valve is arranged and adds drug bucket (9-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265093.0U CN205048901U (en) | 2015-04-28 | 2015-04-28 | Device for coal washery coal slime is dried with tunnel cave waste heat of baking bricks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265093.0U CN205048901U (en) | 2015-04-28 | 2015-04-28 | Device for coal washery coal slime is dried with tunnel cave waste heat of baking bricks |
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| CN205048901U true CN205048901U (en) | 2016-02-24 |
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| CN201520265093.0U Active CN205048901U (en) | 2015-04-28 | 2015-04-28 | Device for coal washery coal slime is dried with tunnel cave waste heat of baking bricks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792131A (en) * | 2015-04-28 | 2015-07-22 | 徐州振丰新型墙体材料有限公司 | Coal slime drying device in coal washery utilizing waste heat of brick-firing tunnel kiln |
-
2015
- 2015-04-28 CN CN201520265093.0U patent/CN205048901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792131A (en) * | 2015-04-28 | 2015-07-22 | 徐州振丰新型墙体材料有限公司 | Coal slime drying device in coal washery utilizing waste heat of brick-firing tunnel kiln |
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