CN203518629U - Preheating device for continuously drying mineral aggregates through smoke waste heat - Google Patents
Preheating device for continuously drying mineral aggregates through smoke waste heat Download PDFInfo
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- CN203518629U CN203518629U CN201320596836.3U CN201320596836U CN203518629U CN 203518629 U CN203518629 U CN 203518629U CN 201320596836 U CN201320596836 U CN 201320596836U CN 203518629 U CN203518629 U CN 203518629U
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- Prior art keywords
- mineral aggregate
- vertical tube
- gas distribution
- drying
- distribution pipe
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 60
- 239000011707 mineral Substances 0.000 title claims abstract description 60
- 238000001035 drying Methods 0.000 title claims abstract description 54
- 239000000779 smoke Substances 0.000 title claims abstract description 18
- 239000002918 waste heat Substances 0.000 title abstract description 5
- 238000009826 distribution Methods 0.000 claims abstract description 57
- 239000007789 gas Substances 0.000 claims description 58
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- 239000003546 flue gas Substances 0.000 claims description 19
- 239000003517 fume Substances 0.000 claims description 17
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010310 metallurgical process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model relates to a preheating device for continuously drying mineral aggregates through smoke waste heat, and belongs to the technical field of metallurgical equipment. The preheating device for continuously drying the mineral aggregates through the smoke waste heat comprises a mineral aggregate drying cavity, multi-hole vertical pipes, horizontal air distribution pipes, air inlet pipelines and a mineral bucket, the mineral aggregate drying cavity is formed in the upper end of the mineral bucket and is a cylinder, at least two circles of smoke drying pipelines formed by the multi-hole vertical pipes are arranged inside the cylinder along a cylinder wall, the bottoms of the multi-hole vertical pipes are sealed through the horizontal air distribution pipes and are in pipeline communication with the horizontal air distribution pipes, and the air inlet pipelines are horizontally arranged on the horizontal air distribution pipes. The smoke waste heat is used for drying the mineral aggregates, the mineral aggregates can be dried, new pollution cannot be generated, the use ratio of heat energy is high, and energy saving and environmental protection are achieved.
Description
Technical field
The utility model relates to a kind of preheating device that utilizes fume afterheat continuous drying mineral aggregate, belongs to technical field of metallurgical equipment.
Background technology
Pyrogenic process metal smelt, due to the particularity of technology and equipment, often needs the moisture in raw ore to remove.Factory generally adopts the equipment such as rotary kiln, drying machine, dryer to complete dehydration at present, these equipment in use all will consume the fossil fuels such as a large amount of coals, natural gas, heavy oil or diesel oil, this has not only increased production cost, but also produces environmental contaminants.Fire metallurgy process all produces a large amount of temperature conventionally higher than the ash-laden gas of 150 ℃, directly discharge will bring energy loss contaminated environment, if utilize type mineral aggregate continuous drying preheating device to carry out flue gas waste heat recovery by a kind of fume afterheat, huge economic benefit and environmental benefit will be brought.
The patent No. is in ZL201120273146.5, to disclose a kind of " a kind of furnace charge drying preheater ", it is comprised of casing, support, air inlet main pipeline, air intake branch road group, some layers of drying pipeline layer, and several drying pipelines that every layer of drying pipeline layer be arranged in parallel by horizontal plane form.Though it can be dried, preheating furnace charge, the Kong Yi of drying pipeline top is stopped up by furnace charge, and drying pipeline horizontally can hinder furnace charge and decline, and causes furnace charge caking, affects drying efficiency and result.
Summary of the invention
The problem and the deficiency that for above-mentioned prior art, exist, the utility model provides a kind of preheating device that utilizes fume afterheat continuous drying mineral aggregate.The utility model utilizes fume afterheat to be dried mineral aggregate, not only can be dried mineral aggregate, also can not give birth to new pollution, and heat utilization rate is high, energy-conserving and environment-protective, and the utility model is achieved through the following technical solutions.
A kind of preheating device that utilizes fume afterheat continuous drying mineral aggregate, comprise mineral aggregate drying chamber, porous vertical tube, horizontal gas distribution pipe, admission line and ore bucket 6, mineral aggregate drying chamber is installed in described ore bucket 6 upper ends, mineral aggregate drying chamber is cylinder, column body is provided with many porous vertical tubes along post jamb and forms at least two circle flue gas drying pipelines, porous vertical tube bottom by horizontal gas distribution pipe, seal and porous vertical tube and horizontal gas distribution pipe between pipeline communicate, on horizontal gas distribution pipe, level is installed into feed channel.The number of turns of flue gas drying pipeline can be determined according to actual conditions, and porous vertical tube quantity can be calculated design according to the flue-gas temperature and the exhaust gas volumn that enter this device, and the quantity of admission line is determined according to horizontal gas distribution pipe.
Described horizontal gas distribution pipe is circular pipe.
Described admission line is provided with smoke inlet.
Described porous vertical tube is provided with pipeline support 3.
The porous vertical tube of described outer ring is shorter than the porous vertical tube of adjacent circle, to facilitate horizontal gas distribution pipe gas distribution.
The flue gas adopting in above-mentioned pipeline is the high-temperature gas producing in metallurgical process, and temperature is generally 150～700 ℃.
Mineral aggregate, after this preheating device is dried, is 120 ℃～400 ℃ from dry mineral aggregate outlet 7 mineral aggregate temperature out.
This utilizes the using method of the preheating device of fume afterheat continuous drying mineral aggregate to be: flue gas is passed into admission line from smoke inlet, from admission line, enter horizontal gas distribution pipe, from horizontal gas distribution pipe, enter into again porous vertical tube, from mineral aggregate, add continuously entrance and add mineral aggregate simultaneously, mineral aggregate is the flue gas in porous vertical tube or the flue gas drying that overflows from the hole of porous vertical tube in decline process, the water vapour producing is discharged from steam outlet, and dried mineral aggregate exports 7 out from the dry mineral aggregate of ore bucket 6.
The beneficial effects of the utility model are: (1) porous is vertically arranged fume pipe insertion mineral aggregate inside and heated, and can make mineral aggregate be heated evenly, and heat utilization rate is high; (2) flue gas adopting is from the high-temperature gas producing in metallurgical process, and the dust in flue gas can be absorbed by mineral aggregate, neither can produce new pollution, has saved again the energy, and cost is low, plays a role in energy saving; (3) mineral aggregate can add continuously, and operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is the utility model vertical profile sectional structure schematic diagram;
Fig. 2 is the cross-sectional sectional structure schematic diagram of the utility model.
In figure: 1-outer ring porous vertical tube, the horizontal gas distribution pipe in 2-outer ring, 3-pipeline support, the horizontal gas distribution pipe of 4-inner ring, 5-inner ring porous vertical tube, 6-ore bucket, the dry mineral aggregate outlet of 7-, 8-outer ring admission line, 9-inner ring admission line, A-mineral aggregate adds entrance continuously, B-steam outlet, C-outer ring smoke inlet, D-inner ring smoke inlet.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 1 to 2, this utilizes the preheating device of fume afterheat continuous drying mineral aggregate, comprise mineral aggregate drying chamber, porous vertical tube (outer ring porous vertical tube 1 and inner ring porous vertical tube 5), horizontal gas distribution pipe (the horizontal gas distribution pipe 2 in outer ring and the horizontal gas distribution pipe 4 of inner ring), admission line (outer ring admission line 8 and inner ring admission line 9) and ore bucket 6, mineral aggregate drying chamber is installed in described ore bucket 6 upper ends, mineral aggregate drying chamber is cylinder, column body is provided with many porous vertical tubes (outer ring porous vertical tube 1 and inner ring porous vertical tube 5) along post jamb and forms at least two circle flue gas drying pipelines, by horizontal gas distribution pipe sealing, (porous vertical tube 1 bottom, outer ring is by horizontal gas distribution pipe 2 sealings in outer ring in porous vertical tube bottom, inner ring porous vertical tube 5 bottoms are by 4 sealings of the horizontal gas distribution pipe of inner ring) and porous vertical tube and horizontal gas distribution pipe between pipeline communicate that (outer ring porous vertical tube 1 communicates with the horizontal gas distribution pipe 2 in outer ring, inner ring porous vertical tube 5 communicates with the horizontal gas distribution pipe 4 of inner ring), on horizontal gas distribution pipe, level is installed into feed channel (level installation outer ring admission line 8 on the horizontal gas distribution pipe 2 in outer ring, on the horizontal gas distribution pipe 4 of inner ring, level is installed inner ring admission line 9).
Wherein horizontal gas distribution pipe is circular pipe, and admission line is provided with smoke inlet (outer ring admission line 8 is provided with smoke inlet C, and inner ring admission line 9 is provided with smoke inlet D); Porous vertical tube (outer ring porous vertical tube 1 and inner ring porous vertical tube 5) is provided with pipeline support 3; The porous vertical tube of outer ring is than the porous vertical tube short (the porous vertical tube 1 of outer ring is shorter than inner ring porous vertical tube 5) of adjacent circle, to facilitate horizontal gas distribution pipe gas distribution.
This utilizes the using method of the preheating device of fume afterheat continuous drying mineral aggregate to be: flue gas is passed into admission line (outer ring admission line 8 and inner ring admission line 9) from smoke inlet (smoke inlet C and smoke inlet D) respectively, from admission line (outer ring admission line 8 and inner ring admission line 9), enter respectively horizontal gas distribution pipe (the horizontal gas distribution pipe 2 in outer ring and the horizontal gas distribution pipe 4 of inner ring), from horizontal gas distribution pipe, (the horizontal gas distribution pipe 2 in outer ring and the horizontal gas distribution pipe 4 of inner ring) enters into porous vertical tube (outer ring porous vertical tube 1 and inner ring porous vertical tube 5) respectively again, from mineral aggregate, add continuously entrance A and add mineral aggregate simultaneously, mineral aggregate is the flue gas in porous vertical tube (outer ring porous vertical tube 1 and inner ring porous vertical tube 5) or the flue gas drying that overflows from the hole of porous vertical tube (outer ring porous vertical tube 1 and inner ring porous vertical tube 5) in decline process, the water vapour producing is discharged from steam outlet B, dried mineral aggregate exports 7 out from the dry mineral aggregate of ore bucket 6.
This utilizes the preheating device of fume afterheat continuous drying mineral aggregate, comprise mineral aggregate drying chamber, porous vertical tube, horizontal gas distribution pipe, admission line and ore bucket 6, mineral aggregate drying chamber is installed in described ore bucket 6 upper ends, mineral aggregate drying chamber is cylinder, column body is provided with many porous vertical tubes along post jamb and forms three circle flue gas drying pipelines, porous vertical tube bottom by horizontal gas distribution pipe, seal and porous vertical tube and horizontal gas distribution pipe between pipeline communicate, on horizontal gas distribution pipe, level is installed into feed channel.
Wherein horizontal gas distribution pipe is circular pipe; Admission line is provided with smoke inlet; Porous vertical tube is provided with pipeline support 3; The porous vertical tube of outer ring is shorter than the porous vertical tube of adjacent circle, to facilitate horizontal gas distribution pipe gas distribution.
This utilizes the preheating device of fume afterheat continuous drying mineral aggregate, comprise mineral aggregate drying chamber, porous vertical tube, horizontal gas distribution pipe, admission line and ore bucket 6, mineral aggregate drying chamber is installed in described ore bucket 6 upper ends, mineral aggregate drying chamber is cylinder, column body is provided with many porous vertical tubes along post jamb and forms at least two circle flue gas drying pipelines, porous vertical tube bottom by horizontal gas distribution pipe, seal and porous vertical tube and horizontal gas distribution pipe between pipeline communicate, on horizontal gas distribution pipe, level is installed into feed channel.The number of turns of flue gas drying pipeline can be determined according to actual conditions, and porous vertical tube quantity can be calculated design according to the flue-gas temperature and the exhaust gas volumn that enter this device, and the quantity of admission line is determined according to horizontal gas distribution pipe.
Wherein horizontal gas distribution pipe is circular pipe; Admission line is provided with smoke inlet; Porous vertical tube is provided with pipeline support 3; The porous vertical tube of outer ring is shorter than the porous vertical tube of adjacent circle, to facilitate horizontal gas distribution pipe gas distribution.
Claims (5)
1. a preheating device that utilizes fume afterheat continuous drying mineral aggregate, it is characterized in that: comprise mineral aggregate drying chamber, porous vertical tube, horizontal gas distribution pipe, admission line and ore bucket (6), mineral aggregate drying chamber is installed in described ore bucket (6) upper end, mineral aggregate drying chamber is cylinder, column body is provided with many porous vertical tubes along post jamb and forms at least two circle flue gas drying pipelines, porous vertical tube bottom by horizontal gas distribution pipe, seal and porous vertical tube and horizontal gas distribution pipe between pipeline communicate, on horizontal gas distribution pipe, level is installed into feed channel.
2. the preheating device that utilizes fume afterheat continuous drying mineral aggregate according to claim 1, is characterized in that: described horizontal gas distribution pipe is circular pipe.
3. the preheating device that utilizes fume afterheat continuous drying mineral aggregate according to claim 1, is characterized in that: described admission line is provided with smoke inlet.
4. the preheating device that utilizes fume afterheat continuous drying mineral aggregate according to claim 1, is characterized in that: described porous vertical tube is provided with pipeline support (3).
5. according to the preheating device that utilizes fume afterheat continuous drying mineral aggregate described in claim 1 or 4, it is characterized in that: the porous vertical tube of described outer ring is shorter than the porous vertical tube of adjacent circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596836.3U CN203518629U (en) | 2013-09-26 | 2013-09-26 | Preheating device for continuously drying mineral aggregates through smoke waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596836.3U CN203518629U (en) | 2013-09-26 | 2013-09-26 | Preheating device for continuously drying mineral aggregates through smoke waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518629U true CN203518629U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596836.3U Expired - Fee Related CN203518629U (en) | 2013-09-26 | 2013-09-26 | Preheating device for continuously drying mineral aggregates through smoke waste heat |
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| CN (1) | CN203518629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584703A (en) * | 2016-11-30 | 2017-04-26 | 重庆精榜高分子材料有限公司 | Powder processing device |
-
2013
- 2013-09-26 CN CN201320596836.3U patent/CN203518629U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584703A (en) * | 2016-11-30 | 2017-04-26 | 重庆精榜高分子材料有限公司 | Powder processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20140926 |
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| EXPY | Termination of patent right or utility model |