CN205878592U - Grain dries by fire dry pulverized coal hot -blast furnace - Google Patents
Grain dries by fire dry pulverized coal hot -blast furnace Download PDFInfo
- Publication number
- CN205878592U CN205878592U CN201620360945.9U CN201620360945U CN205878592U CN 205878592 U CN205878592 U CN 205878592U CN 201620360945 U CN201620360945 U CN 201620360945U CN 205878592 U CN205878592 U CN 205878592U
- Authority
- CN
- China
- Prior art keywords
- heater
- combustion chamber
- furnace body
- coal
- pulverized coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The utility model relates to a grain dries by fire dry pulverized coal hot -blast furnace belongs to stoving hot -blast furnace technical field. The milling machine is connected with whirlwind formula coal burner one end, this whirlwind formula coal burner other end is connected with the combustion chamber, combustion chamber and furnace body connected, keep off hot wall no. 1 with keep off hot wall no. 3 respectively with furnace body top fixed connection, there is electronic picture peg below at heavy grey room in combustion chamber bottom and ash deposition hopper, there is screw conveyer this electronic picture peg below, keep off hot wall no. 2 and furnace body bottom fixed connection, inspection socket and dusting mouth are located the side below of furnace body, air supplementing opening no. 1 is located the side of combustion chamber, air supplementing opening no. 2 lies in furnace body upper portion side. The advantage is novel structure, and energy -conserving effect is showing, and reaction of combustion is complete, and is significant to the environmental protection to but reduce cost improves economic benefits, and coal feed quantity and intake are all adjustable moreover, can make things convenient for, control steadily temperature, pressure in the combustion chamber, be favorable to the drying tower in dry job stabilization go on.
Description
Technical field
This utility model belongs to drying air stove technical field, particularly relates to the pulverized coal hot air furnace for grain heat-drying.
Background technology
At present, the air stove that domestic foodstuff drying device is used, one is that fixed grate formula air stove is applicable to miniaturization,
Simple in construction, but fuel high-quality lump coal, price is high, and is artificial handwarmer, inapplicable maximization, and soot emissions are black,
Pollution, the thermal efficiency is had to only have 60%, carbon residue 20% in ash.The second is chain-arranged type coal-fired hot-blast stove, and advantage is miniaturization, maximization
Being all suitable for, can burn raw coal, the thermal efficiency reaches 70 %, carbon residue about 15% in ash, is more than two class bituminous coal 5000 kilocalories with coal
Calorific value, it is impossible to burning low-order coal, brown coal, because calorific value is low, coal burn-off rate is low, and its efficiency of combustion is low.
Summary of the invention
This utility model provides a kind of grain heat-drying pulverized coal hot air furnace, can not fire solving original chain-arranged type coal-fired hot-blast stove
Burning low-order coal, brown coal, coal burn-off rate is low, the problem that efficiency of combustion is low.
This utility model adopts the technical scheme that: flour mill is connected with cyclone type coal burner one end, this cyclone type
The coal burner other end is connected with combustor, and combustor is connected with body of heater, firebreak one and firebreak three respectively with on body of heater
Side is fixing to be connected, and has electronic plate in the lower section of bottom of combustion chamber heavy ash room with ash bucket, has spiral transferring below this electronic plate
Sending machine, firebreak two is fixing with bottom of furnace body to be connected, and inspection socket and ash disposal mouth are positioned at below the side of body of heater, and wind-supplying mouth one is positioned at
The side of combustor, wind-supplying mouth two is positioned at upper of furnace body side.
Described body of heater uses refractory brick.
Fixing Rhizoma Begoniae Willsonii layer, the top covering silicate aluminum board of connecting of described body of heater lateral outer, solid on the top of this silicate aluminum board
Surely steel skeleton is connected.
Raw coal after pulverizer, is added fan-type flour mill and is finely ground into coal dust, produce with coal pulverizer by this utility model
Raw First air, delivers to coal burner continuously through fine coal conveyance conduit, and then igniting makes coal dust burn at burner internal,
To be combusted stable after progressively open the valve of big combustion fan, the ignition district of fine coal is moved in combustor in burner,
Combustor is combustion with meagre oxygen, to reduce the generation of NOx；Add oxygen part by wind-supplying mouth again and reach fully burning, at body of heater
Inside arranging firebreak, burned flame and high-temperature flue gas when by firebreak, burned flame and high-temperature flue gas being altered course makes
Oarse-grained ash fall is in the ash bucket of heavy ash room, and the layering by several times of the dust in ash bucket utilizes helical feed to discharge, height
Temperature flue gas exports from the delivery outlet of body of heater, enters in heat exchanger, carries out heat exchange, use after entering heat-exchanging chamber top input channel
To be heated by clean for outside cold air, the cleaned air after heating enters in drying tower, in order to drying grain.
The utility model has the advantages that novel structure, by utilizing coal, brown coal at a low price, reduce cost, utilize fine coal to fire
Material, is sprayed by coal burner, makes coal dust suspension combustion in burner hearth, can uniformly mix with combustion air to greatest extent,
Combustion velocity is fast, and completely, its efficiency is up to more than 95%, exceeds closely than existing lump coal Grate-firing efficiency of combustion in burning
25%, energy-saving effect is notable, and due to fine coal sectional combustion in combustor and body of heater, combustion reaction is complete, has environmental conservation
Significant, and cost can be reduced, increase economic efficiency, and coal-supplying amount and the equal scalable of intake, can facilitate, stably
It is dried working stability in controlling the temperature in combustor, pressure, beneficially drying tower to carry out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A-A sectional view of Fig. 1, in figure:
Flour mill 1, cyclone type coal burner 2, combustor 3, firebreak 1, firebreak 25, firebreak 36, electronic
Plate 7, conveying worm 8, steel skeleton 9, body of heater 10, silicate aluminum board 11, Rhizoma Begoniae Willsonii 12, inspection socket and ash disposal mouth 13, wind-supplying mouth one
14, wind-supplying mouth 2 15.
Detailed description of the invention
Flour mill 1 is connected with cyclone type coal burner 2 one end, this cyclone type coal burner 2 other end and combustor 3
Connecting, combustor 3 is connected with body of heater 10, and firebreak 1 and firebreak 36 are fixed above with body of heater 10 respectively to be connected, in burning
Bottom room, there is electronic plate 7 heavy ash room with the lower section of ash bucket, has conveying worm 8, firebreak 25 below this electronic plate 7
Being connected with fixing bottom body of heater 10, inspection socket and ash disposal mouth 13 are positioned at below the side of body of heater, and wind-supplying mouth 1 is positioned at combustor 3
Side, wind-supplying mouth 2 15 is positioned at upper of furnace body side.
Described body of heater 10 uses refractory brick.
Described body of heater 10 lateral outer is fixing connects Rhizoma Begoniae Willsonii layer 12, top covering silicate aluminum board 11, at this silicate aluminum board
Top is fixing connects steel skeleton 9.
Outside outfit equipment includes flour mill 1, coal burner 2, and increases by one section of combustor 3, arranges gear in body of heater
Wall with flues is in order to keep off ash mixed flow, and is provided with heavy ash room and ash bucket in combustor bottom, also divides on the sidewall of body of heater and combustor
It is not provided with wind-supplying mouth, for supplemental oxygen, in order to ensure that coal dust is fully burned, is provided with dust stratification in lower portion of furnace body heavy ash room
Bucket, carrys out ash discharge with conveying worm, arranges inspection socket and ash disposal mouth in body of heater side, in order to inspection, dedusting.High-temperature flue gas from
The delivery outlet output of body of heater.
Claims (3)
1. a grain heat-drying pulverized coal hot air furnace, it is characterised in that: flour mill is connected with cyclone type coal burner one end, this rotation
The wind formula coal burner other end is connected with combustor, and combustor is connected with body of heater, firebreak one and firebreak three respectively with stove
Body connection fixed above, has electronic plate in the lower section of bottom of combustion chamber heavy ash room with ash bucket, has spiral shell below this electronic plate
Rotation conveyer, firebreak two is fixing with bottom of furnace body to be connected, and inspection socket and ash disposal mouth are positioned at below the side of body of heater, wind-supplying mouth one
Being positioned at the side of combustor, wind-supplying mouth two is positioned at upper of furnace body side.
A kind of grain heat-drying pulverized coal hot air furnace the most according to claim 1, it is characterised in that: described body of heater uses fire-resistant
Brick.
A kind of grain heat-drying pulverized coal hot air furnace the most according to claim 1 and 2, it is characterised in that: outside described body of heater side
Portion is fixing connects Rhizoma Begoniae Willsonii layer, body of heater top covering silicate aluminum board, the fixing connection steel skeleton on the top of this silicate aluminum board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620360945.9U CN205878592U (en) | 2016-04-26 | 2016-04-26 | Grain dries by fire dry pulverized coal hot -blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620360945.9U CN205878592U (en) | 2016-04-26 | 2016-04-26 | Grain dries by fire dry pulverized coal hot -blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205878592U true CN205878592U (en) | 2017-01-11 |
Family
ID=57688126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620360945.9U Expired - Fee Related CN205878592U (en) | 2016-04-26 | 2016-04-26 | Grain dries by fire dry pulverized coal hot -blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205878592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344287A (en) * | 2018-02-13 | 2018-07-31 | 国家粮食局科学研究院 | A kind of energy-saving and environment-friendly scale grain heat-drying complexes and furnace drying method |
-
2016
- 2016-04-26 CN CN201620360945.9U patent/CN205878592U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344287A (en) * | 2018-02-13 | 2018-07-31 | 国家粮食局科学研究院 | A kind of energy-saving and environment-friendly scale grain heat-drying complexes and furnace drying method |
| CN108344287B (en) * | 2018-02-13 | 2023-11-10 | 国家粮食局科学研究院 | Energy-saving and environment-friendly large-scale grain drying complete device and drying method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |