CN102874551A - High-temperature carbonization coal conveying method and conveying device - Google Patents
High-temperature carbonization coal conveying method and conveying device Download PDFInfo
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- CN102874551A CN102874551A CN2012104178095A CN201210417809A CN102874551A CN 102874551 A CN102874551 A CN 102874551A CN 2012104178095 A CN2012104178095 A CN 2012104178095A CN 201210417809 A CN201210417809 A CN 201210417809A CN 102874551 A CN102874551 A CN 102874551A
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- temperature carbonization
- high temperature
- carbonization coal
- scrapper conveyor
- coal
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Abstract
The invention discloses a high-temperature carbonization coal conveying method which comprises the following steps: conveying high-temperature carbonization coal in an embedded scrapper; and drilling holes in an upper cover plate of the embedded scrapper in the conveying direction of the embedded scrapper to additionally mount a plurality of venting mechanisms separated from each other, thereby externally exhausting gas generated by conveying the high-temperature carbonization coal in the embedded scrapper from the venting holes of the venting mechanisms. According to the high-temperature carbonization coal conveying method, the venting mechanisms are arranged above the sealed embedded scrapper, so that the gas and water vapor generated during the conveying of the high-temperature carbonization coal are exhausted timely through the venting mechanisms, and the blended coal powder can return into the embedded scrapper to be continuously conveyed forwards. Therefore, the method provided by the invention has the advantages that a dust raising phenomenon is avoided during the coal conveying process, and the gas and the water vapor during the conveying process are exhausted timely, so that the quality of finished coal is not influenced. The invention further discloses a high-temperature carbonization coal conveying device.
Description
Technical field
The present invention relates to the Coal dressing technical field, particularly a kind of high temperature carbonization coal carrying method and feedway.
Background technology
At present, the whole world is in the state of scarcity of resources, but still has a large amount of brown coal to remain the upgrading utilization in the coal resources.In the upgrading course of processing of brown coal, because brown coal poor heat stability, lignite dust after the process destructive distillation is many and quality is light, so a large amount of airborne dusts of meeting in reprinting and course of conveying, thereby in the course of conveying of brown coal, must seal, brown coal are transferred, with the environmental pollution of avoiding airborne dust to cause under the state of sealing; Yet again following problem can appear after the sealing: high temperature carbonization coal meeting bubbing and steam, these gases and steam can't be discharged, cause in the course of conveying heat loss slow, while steam condenses into water droplet and can return in the brown coal again when temperature is lower than 100 ° of C, thereby affects the quality of brown coal product.
This shows how carrying method of the prior art and feedway are improved, enable to avoid airborne dust ground to carry brown coal, can in time discharge gas and steam again simultaneously, this is the present technical issues that need to address in this area.
Summary of the invention
The object of the invention is to, a kind of high temperature carbonization coal carrying method is provided, can avoid airborne dust ground to carry brown coal, can in time discharge gas and steam again simultaneously.Based on this, the present invention also provides a kind of high temperature carbonization coal feedway.
For solving above technical matters, technical scheme of the present invention is:
A kind of high temperature carbonization coal carrying method, comprise: the high temperature carbonization coal is carried in buried scrapper conveyor, throughput direction along described buried scrapper conveyor, in the upper cover plate perforate of described buried scrapper conveyor and install some exhaust gears that are spaced apart additional, the gas that produces when the high temperature carbonization coal is carried in buried scrapper conveyor is discharged to the external world from the exhausr port of described exhaust gear.
Preferably, the water vapour content in buried scrapper conveyor is greater than 0.2 kilogram/m
3The time, the interval of adjacent two exhaust gears is set in the scope of 2m ~ 3m.
Preferably, the water vapour content in buried scrapper conveyor is 0.2 kilogram/m
3When following, the interval of adjacent two exhaust gears is set in the scope of 5m ~ 7m.
Preferably, described exhaust gear is dust cleaning case or sludge box.
Preferably, described exhaust gear is a plurality of, and each exhaust gear interval evenly arranges.
Preferably, install adiabator layer additional in the outside of buried scrapper conveyor, temperature was at 100 ° more than the C when high temperature carbonization coal was carried in buried scrapper conveyor.
Preferably, described exhaust gear is the bag-type dust case, is provided with vibrator in the described bag-type dust case.
A kind of high temperature carbonization coal feedway of the present invention, comprise buried scrapper conveyor, be arranged on the some exhaust gears that are spaced apart that cover on the buried scrapper conveyor, the inner chamber conducting of the import of described exhaust gear and described buried scrapper conveyor, the exhausr port of described exhaust gear and extraneous conducting.
Preferably, described exhaust gear is dust cleaning case or sludge box.
Preferably, described exhaust gear is a plurality of, and each exhaust gear interval evenly arranges.
Preferably, add adiabator layer in the outside of buried scrapper conveyor.
Preferably, described exhaust gear is the bag-type dust case, is provided with vibrator in the described bag-type dust case.
Compared with prior art, high temperature carbonization coal carrying method of the present invention, owing to above the buried scrapper conveyor that seals, exhaust gear being set, so that the gas that produces in high temperature carbonization coal course of conveying and aqueous vapor can in time discharge by exhaust gear, continuation is fed forward in the buried scrapper conveyor and the coal dust that is mingled with can turn back to, such carrying method and device can be avoided the dust raising phenomenon in the course of conveying, simultaneously gas and aqueous vapor in the course of conveying in time are discharged from, thereby do not affect the quality of readymade coal.
Description of drawings
Fig. 1 is the structural representation of high temperature carbonization coal feedway of the present invention;
Among the figure, relevant Reference numeral is as follows:
1---buried scrapper conveyor;
11---entrance;
2---the bag-type dust case;
21---import;
22---exhausr port.
The specific embodiment
Basic conception of the present invention is, a kind of carrying method and feedway of high temperature carbonization coal are provided, by at buried scrapper conveyor exhaust gear being set, so that the high temperature carbonization coal produces in the course of conveying steam and gas can be discharged from exhaust gear, both avoided producing airborne dust, gas and aqueous vapor are discharged, avoid affecting the quality of product of coal.
Below in conjunction with drawings and the specific embodiments, high temperature carbonization coal feedway of the present invention is elaborated.
Referring to Fig. 1, the high temperature carbonization coal feedway in the present embodiment comprises buried scrapper conveyor 1, is arranged on the bag-type dust case 2 of a plurality of intervals setting of buried scrapper conveyor 1 loam cake tapping, and these bag-type dust casees 2 arrange evenly and at intervals; Also be provided with the vibrator (not shown) in the bag-type dust case.Buried scrapper conveyor 1 is provided with entrance 11, and high temperature carbonization coal from then on entrance 11 enters into buried scrapper conveyor 1.Bag-type dust case 2 is provided with import 21 and exhausr port 22, the inner chamber conducting of import 21 and buried scrapper conveyor 1, exhausr port 22 and extraneous conducting.
Wherein, each bag-type dust case arranges along the mass transport direction interval of high temperature carbonization feedway.
Buried scrapper conveyor, bag-type dust case all can be selected product of the prior art, and concrete structure this time repeats no more.
The outside of buried scrapper conveyor can coat adiabator layer, so that the dust cleaning case operating temperature is greater than 100 ° of C.
The high temperature carbonization coal carrying method of the present embodiment comprises:
Adopt buried scrapper conveyor 1 to carry in the high temperature carbonization coal, offer some holes at the loam cake of buried scrapper conveyor, install bag-type dust case 2 on these holes additional, the certain distance in bag-type dust case 2 intervals arranges.Wherein, the distance at interval is relevant with water vapour content in the buried scrapper conveyor, if the bag-type dust case interval that arranges is too near, and the water vapour content in the buried scrapper conveyor is too little, then can cause waste, if and the interval that arranges is too far away, and water vapour content is too large, then can cause aqueous vapor in time to discharge, thereby enters into the quality that product of coal affects product of coal, based on such consideration, the scheme of the present embodiment is: the water vapour content in buried scrapper conveyor is greater than 0.2 kilogram/m
3The time, the interval of adjacent two exhaust gears is set in the scope of 2m ~ 3m; Water vapour content in buried scrapper conveyor is 0.2 kilogram/m
3When following, the interval of adjacent two exhaust gears is set in the scope of 5m ~ 7m.
In the present embodiment, the bag-type dust case can replace with sludge box.
The workflow of the present embodiment is as follows:
Workflow: the destructive distillation brown coal enter from buried scrapper conveyor one end, carry to the other end.Because brown coal temperature higher (approximately 200 ° of C), so have steam and gas is constantly separated out.At first be the gas that the upper strata brown coal are separated out.Under the motion effect of scrapper conveyor, the brown coal that are in bottom can ceaselessly move, and simultaneously, gas also can ceaselessly upwards be extruded.When gas and steam are separated out, can attach simultaneously the dust of fraction.Behind these gases and the dust process bag-type dust case, dust is by Bag filter, and gas is discharged.Dust on the cloth bag is fallen in the scrapper conveyor under the effect of vibrator, takes large calorimetric out of when gas and steam are discharged, and can reduce coal intragranular section's moisture and temperature.
Because the existence of steam is for guaranteeing the normal operation of dust cleaning case, at the outside one layer of heat preservation material layer that coats of buried scrapper conveyor, so that the dust cleaning case operating temperature is greater than 100 ° of C.
Only be preferred implementation of the present invention below, should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with the claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. high temperature carbonization coal carrying method, it is characterized in that, comprise: the high temperature carbonization coal is carried in buried scrapper conveyor, throughput direction along described buried scrapper conveyor, in the upper cover plate perforate of described buried scrapper conveyor and install some exhaust gears that are spaced apart additional, the gas that produces when the high temperature carbonization coal is carried in buried scrapper conveyor is discharged to the external world from the exhausr port of described exhaust gear.
2. high temperature carbonization coal carrying method as claimed in claim 1 is characterized in that, the water vapour content in buried scrapper conveyor is greater than 0.2 kilogram/m
3The time, the interval of adjacent two exhaust gears is set in the scope of 2m ~ 3m.
3. high temperature carbonization coal carrying method as claimed in claim 1 is characterized in that, the water vapour content in buried scrapper conveyor is 0.2 kilogram/m
3When following, the interval of adjacent two exhaust gears is set in the scope of 5m ~ 7m.
4. high temperature carbonization coal carrying method as claimed in claim 1 is characterized in that, described exhaust gear is dust cleaning case or sludge box.
5. high temperature carbonization coal carrying method as claimed in claim 1 is characterized in that, described exhaust gear is a plurality of, and each exhaust gear interval evenly arranges.
6. high temperature carbonization coal carrying method as claimed in claim 1 is characterized in that, installs adiabator layer additional in the outside of buried scrapper conveyor, and the temperature when the high temperature carbonization coal is carried in buried scrapper conveyor is at 100 ° more than the C.
7. high temperature carbonization coal carrying method as claimed in claim 1 is characterized in that, described exhaust gear is the bag-type dust case, is provided with vibrator in the described bag-type dust case.
8. high temperature carbonization coal feedway, it is characterized in that, comprise buried scrapper conveyor, be arranged on the some exhaust gears that are spaced apart that cover on the buried scrapper conveyor, the inner chamber conducting of the import of described exhaust gear and described buried scrapper conveyor, the exhausr port of described exhaust gear and extraneous conducting.
9. high temperature carbonization coal feedway as claimed in claim 8 is characterized in that, described exhaust gear is dust cleaning case or sludge box.
10. high temperature carbonization coal feedway as claimed in claim 8 is characterized in that, described exhaust gear is a plurality of, and each exhaust gear interval evenly arranges.
11. high temperature carbonization coal feedway as claimed in claim 8 is characterized in that, adds adiabator layer in the outside of buried scrapper conveyor.
12. high temperature carbonization coal feedway as claimed in claim 8 is characterized in that described exhaust gear is the bag-type dust case, is provided with vibrator in the described bag-type dust case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210417809.5A CN102874551B (en) | 2012-10-26 | 2012-10-26 | High-temperature carbonization coal carrying method and feedway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210417809.5A CN102874551B (en) | 2012-10-26 | 2012-10-26 | High-temperature carbonization coal carrying method and feedway |
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| Publication Number | Publication Date |
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| CN102874551A true CN102874551A (en) | 2013-01-16 |
| CN102874551B CN102874551B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210417809.5A Expired - Fee Related CN102874551B (en) | 2012-10-26 | 2012-10-26 | High-temperature carbonization coal carrying method and feedway |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127373A (en) * | 1982-09-17 | 1984-04-11 | Fuller Co | Drag chain conveyor and chain link therefore |
| US5660124A (en) * | 1995-09-20 | 1997-08-26 | Alar Engineering Corporation | Sludge processor |
| DE10131852A1 (en) * | 2001-05-25 | 2002-11-28 | Cft Gmbh | Dry filter assembly has filters divided into triangular section, inserted/removed at clean air side, with drag chain conveyor and lock to extract separated dust and dirt |
| CN201411231Y (en) * | 2009-06-05 | 2010-02-24 | 张家港市港腾机械制造有限公司 | Hot material buried scraper conveyor |
| CN102382933A (en) * | 2011-10-31 | 2012-03-21 | 中冶南方工程技术有限公司 | One-time flue gas dry-process dust removing process of converter |
| CN202274759U (en) * | 2011-10-24 | 2012-06-13 | 遵义市贵科科技有限公司 | Silicomanganese electric furnace type wet dust and flying dust recovery system |
-
2012
- 2012-10-26 CN CN201210417809.5A patent/CN102874551B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127373A (en) * | 1982-09-17 | 1984-04-11 | Fuller Co | Drag chain conveyor and chain link therefore |
| US5660124A (en) * | 1995-09-20 | 1997-08-26 | Alar Engineering Corporation | Sludge processor |
| DE10131852A1 (en) * | 2001-05-25 | 2002-11-28 | Cft Gmbh | Dry filter assembly has filters divided into triangular section, inserted/removed at clean air side, with drag chain conveyor and lock to extract separated dust and dirt |
| CN201411231Y (en) * | 2009-06-05 | 2010-02-24 | 张家港市港腾机械制造有限公司 | Hot material buried scraper conveyor |
| CN202274759U (en) * | 2011-10-24 | 2012-06-13 | 遵义市贵科科技有限公司 | Silicomanganese electric furnace type wet dust and flying dust recovery system |
| CN102382933A (en) * | 2011-10-31 | 2012-03-21 | 中冶南方工程技术有限公司 | One-time flue gas dry-process dust removing process of converter |
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| Publication number | Publication date |
|---|---|
| CN102874551B (en) | 2016-03-02 |
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