CN205537069U - A hot -blast furnace for biomass briquette fuel drum dryer - Google Patents
A hot -blast furnace for biomass briquette fuel drum dryer Download PDFInfo
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- CN205537069U CN205537069U CN201620057880.0U CN201620057880U CN205537069U CN 205537069 U CN205537069 U CN 205537069U CN 201620057880 U CN201620057880 U CN 201620057880U CN 205537069 U CN205537069 U CN 205537069U
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- deflection plate
- expansion chamber
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- air stove
- fire grate
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Abstract
The patent discloses a hot -blast furnace for biomass briquette fuel drum dryer, including combustion chamber, deposit room, grate, deposition room and fender hot wall, the top of combustion chamber and deposit room is the arc top, is equipped with the baffling board of a plurality of friendship misalignment cloth in the deposit room, and the flue that " Z " font flows is crossed, is one by one in the hot -blast formation between the adjacent baffling board, and the free end of baffling board is the arc, the bottom intercommunication ash tank of deposition room, the outside of hot -blast furnace is equipped with the steel hoop component that is used for the hot -blast furnace fastening, including first baffling board and second baffling board, the grate is hand grate, be equipped with the electrostatic precipitator device in the deposit room, including connecing the negative pole line in high voltage dc source and the anode plate of ground connection. The utility model discloses an arc baffling board of set up the arc top, handing over misalignment cloth increases the length of flue, through increasing the electrostatic precipitator device, and the further volume of improving the dusting, and then reduce the content of cigarette ash in hot -blast, and then reduce biomass fuel's coking rate.
Description
Technical field
The present invention relates to solid fuel and manufacture field, be particularly used for the air stove of biomass molding fuel roller drier.
Background technology
At present, in industrial boilers in China, coal-burning boiler is occupied an leading position, and cheap fuel cost is a big advantage of industry coal-boiler.From many decades practical experience, coal-burning boiler has 2 unavoidable drawbacks: one is that boiler thermal output is relatively low, and typically about 70%, fuel combustion is insufficient；Two is that flue gas blackness is big, and SO2, amount of NOx are high, and environmental pollution is serious.Therefore clean energy resource development and Global climate change become the common focus of attention of international community, in the whole world industrialization course of more than 200 year, developed country only less than 1,000,000,000 populations realizes modernization, but global resources and ecology have paid heavy cost for this, in this context, the many countries with America and Europe as representative increase the attention and input utilizing biomass energyization the most one after another.
Biomass molding fuel is that the compressed biomass molding of agriculture waste is converted into energy density is high, easy to use, the shaped fuel of high-efficiency environment friendly.The production technology of the most commonly used biomass granule fuel, comprises the following steps: 1) broken: by repeatedly broken, biomass material is crushed to below 10mm；2) binding agent is added: improve its adhesiveness, it is simple to pelletize；3) it is dried: raw material is stirred, is dried, mix homogeneously so that it is water content control is about 12%；4) extruded: to obtain the biomass granule fuel of granularity 8-20mm；5) wind cold drying: after being cooled down by biomass granule fuel, packaging can produce finished product, need to use air stove when dry, air stove is connected with the feed end of roller drier by airduct, the outlet of roller drier makes natural wind form hot blast after air stove is heated by blower fan, heats to material in entering roller drier.
In recent years, owing to raw material containing the composition such as earth, fine sand, the biomass fuel ash weight produced is caused, and easily coking, the hot property of combustion apparatus is impacted, combustion apparatus is perishable, reduce heat transfer efficiency, thus reduce utilization rate and the efficiency of combustion of fuel.And the air stove of prior art includes combustor, expansion chamber, fire grate, ash room and firebreak, air stove Inner Front End is combustor, rear end is expansion chamber, cut off by upright vault firebreak in the middle of combustor and expansion chamber, it it is fire grate below combustor, limited owing to arranging in expansion chamber, the flue formed in limited space is too short, cause in the hot blast entered in roller drier containing substantial amounts of flue dust, and together with flue dust mixes with biomass fuel again, also can strengthen the ash proportion of biomass fuel, make coking rate raise.
In view of this, prior art needs by improving expansion chamber, to utilize limited space to increase the length of flue.
Summary of the invention
The invention is intended to provide air stove, to solve the expansion chamber defect that flue length is too short in limited space of prior art.
The air stove for biomass molding fuel roller drier in this programme, including combustor, expansion chamber, fire grate, ash accumulating chamber and firebreak, air stove Inner Front End is combustor, rear end is expansion chamber, cut off by the upright firebreak with cambered surface in the middle of combustor and expansion chamber, described fire grate is positioned at the lower section of combustor and expansion chamber, and described ash accumulating chamber is positioned at the lower section of fire grate；The top of described combustor and expansion chamber is arc top, is provided with multiple staggered deflection plate in described expansion chamber, and the hot blast between adjacent baffle forms the flue gradually crossed, flow in " Z " font, and the free end of described deflection plate is arc；The bottom connection dust stratification groove of described ash accumulating chamber.
The operation principle machine beneficial effect of the present invention: the top of combustor and expansion chamber is arc top, so that the circulation of hot blast, uneven and the local stress simultaneously also avoiding the hot blast caused because arranging square top to circulate is excessive, prevents local stress excessive and damages air stove；It is provided with multiple staggered deflection plate in described expansion chamber, is formed the flue gradually crossed, flow in " Z " font by the hot blast between adjacent baffle, increase the length of flue, and then the circulation path of growth hot blast, be beneficial to the sedimentation of flue dust；The free end of deflection plate is arc, replaces the structure of traditional square deflection plate, and while avoiding square seamed edge to damage because of hot-spot calcination, arc also can increase the circulation path of hot blast, increases cigarette length；The bottom connection dust stratification groove of described ash accumulating chamber, restriction due to air stove specification, the height of ash accumulating chamber is less, it is unfavorable for the operation of deashing, therefore directly dust stratification groove is arranged on the bottom of ash accumulating chamber, it is not necessary to labor cleaning's flue dust, directly the flue dust in ash accumulating chamber is dropped in entrance dust stratification groove, it is being uniformly processed after amassing completely, is saving workman's cost of labor.During use, the charging of air stove front end combustor, fuel is allowed fully to burn in combustor, under the effect of the outside air-introduced machine connected with floss hole of expansion chamber, Mars is cut off through firebreak, hot blast enters in expansion chamber along the arc jacking of firebreak, under the effect of deflection plate, sootfall in hot blast enters in ash accumulating chamber, hot blast then along the flue flowing of " Z " font flowing, flows and settles, removed to greatest extent by flue dust, last hot blast exits in air-introduced machine from floss hole, and it is interior to biomass material heating to enter roller drier.The present invention by arranging arc top, staggered arc deflection plate increases the length of flue, and then reduces the content of flue dust in hot blast, and then reduce the coking rate of biomass fuel.
Further, the outside of described air stove is provided with the steel hoop component for air stove being fastened, described hoop component includes vertical channel-section steel and the horizontal type channel-section steel welded with vertical channel-section steel, join end to end, by air stove being wrapped in the middle of the horizontal type channel-section steel of vertical channel-section steel sum, make the structure remained stable of air stove.
Further, described deflection plate includes the first deflection plate and the second deflection plate, and one end of described first deflection plate is connected to the bottom on arc top, and one end is unsettled, and one end of described second deflection plate is connected to the top of fire grate.Forming one-level air outlet between first deflection plate and fire grate, one-level air outlet is positioned at bottom；Second deflection plate is positioned at bottom and is connected to the top of fire grate, forms two grades of air outlets between the second deflection plate and arc top, and two grades of air outlets are positioned at top.In combustor, hot blast out enters in expansion chamber from top, under the stop of the first deflection plate, hot blast can only flow downward, flowed at the second deflection plate by one-level air outlet, same under the stop of the second deflection plate, hot blast can only flow up, and is flowed out by two grades of air outlets, after flow out through floss hole.Now, in limited space, the length of the flue of two pieces of above-mentioned settings of deflection plate is the longest.
Further, described fire grate is hand fire grate, and described hand fire grate is made up of the adjustable grid section in gap.It is convenient to the cleaning to dust stratification so that it is quickly drop in ash accumulating chamber.
Further, in described expansion chamber, it is provided with electrostatic precipitator, including the positive plate of the cathode line and ground connection being connected to high-voltage DC power supply.Gas containing dust granules, when the high voltage electric field formed between the cathode line (also known as corona discharge electrode) and the positive plate of ground connection that are connected to high-voltage DC power supply passes through, due to negative electrode generation corona discharge, gas is ionized, now, electronegative gas ion, under the effect of electric field force, plate motion on the sunny side, collide with dust granules at the volley, then make grit lotus with negative electricity, grit after charged is under the effect of electric field force, also to anode movement, after arriving anode, release the electronics carried, grit is then deposited on positive plate, the hot blast being purified is then in floss hole enters roller drier.
Accompanying drawing explanation
Fig. 1 is the present invention structural representation for the air stove of biomass molding fuel roller drier；
Fig. 2 is the present invention axonometric chart for the air stove of biomass molding fuel roller drier.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: combustor 1, expansion chamber 2, ash accumulating chamber 3, hand fire grate 4, horizontal type channel-section steel 5, vertical channel-section steel 6, fuel port 101, firebreak 102, arc top the 103, first deflection plate the 201, second deflection plate 202, electrostatic precipitator 203, floss hole 204.
As shown in Figure 1: for the air stove of biomass molding fuel roller drier, including combustor 1, expansion chamber 2, ash accumulating chamber 3 and hand fire grate 4, air stove Inner Front End is combustor 1, rear end is expansion chamber 2, cut off by the upright firebreak 102 with cambered surface in the middle of combustor 1 and expansion chamber 2, hand fire grate 4 is positioned at combustor 1 and the lower section of expansion chamber 2, and ash accumulating chamber 3 is positioned at the lower section of hand fire grate 4；The top of combustor 1 and expansion chamber 2 is arc top 103,2 the first staggered deflection plate 201 and the second deflection plates 202 it are provided with in expansion chamber 2, first deflection plate 201 is positioned at top and connects arc top 103, forming one-level air outlet between first deflection plate 201 and hand fire grate 4, one-level air outlet is positioned at bottom；Second deflection plate 202 is positioned at bottom and is connected to the top of hand fire grate 4, forms two grades of air outlets between the second deflection plate 202 and arc top 103, and two grades of air outlets are positioned at top；Hot blast between on two pieces of deflection plates forms the flue gradually crossed, flow in " Z " font, and the free end of the first deflection plate 201 and the second deflection plate 202 is arc；Being provided with electrostatic precipitator 203 in expansion chamber 2, including the positive plate of the cathode line and ground connection being connected to high-voltage DC power supply, expansion chamber 2 is provided with the floss hole 204 connecting air-introduced machine in the one end deviating from combustor 1.
As shown in Figure 2: the outside of air stove is provided with the steel hoop component for air stove being fastened, hoop component includes vertical channel-section steel 6 and the horizontal type channel-section steel 5 welded with vertical channel-section steel 6, and hand fire grate 4 is made up of the adjustable grid section in gap；It is convenient to the cleaning to dust stratification so that it is quickly drop in ash accumulating chamber 3, the bottom connection dust stratification groove of ash accumulating chamber 3.
nullDuring use，The charging of fuel port 101，Fuel is allowed fully to burn in combustor 1，Under the effect of the outside air-introduced machine connected with floss hole 204 of expansion chamber 2，Mars is cut off through firebreak 102，Hot blast enters in expansion chamber 2 along the arc top 103 of firebreak 102，Under the effect of the first deflection plate 201，Sootfall in hot blast enters in ash accumulating chamber 3，Hot blast is then along the flue flowing of " Z " font flowing，Flowing and sedimentation is continued through the second deflection plate 202，Under the effect of electrostatic precipitator 203，Hot blast is when the high voltage electric field being connected to be formed between the cathode line of high-voltage DC power supply and the positive plate of ground connection passes through，Due to negative electrode generation corona discharge、Gas is ionized，Now，Electronegative gas ion，Under the effect of electric field force，Plate motion on the sunny side，Collide with dust granules at the volley，Then make grit lotus with negative electricity，Grit after charged is under the effect of electric field force，Also to anode movement，After arriving anode，Release the electronics carried，Grit is then deposited on positive plate，Flue dust is removed to greatest extent，The hot blast being purified then enters in roller drier through floss hole 204.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from present configuration, it is also possible to make some deformation and improvement; these also should be considered as protection scope of the present invention, and these are all without affecting effect and the practical applicability that the present invention implements.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (5)
1. for the air stove of biomass molding fuel roller drier, including combustor, expansion chamber, fire grate, ash accumulating chamber and firebreak, air stove Inner Front End is combustor, rear end is expansion chamber, cut off by the upright firebreak with cambered surface in the middle of combustor and expansion chamber, described fire grate is positioned at the lower section of combustor and expansion chamber, and described ash accumulating chamber is positioned at the lower section of fire grate；It is characterized in that, the top of described combustor and expansion chamber is arc top, is provided with multiple staggered deflection plate in described expansion chamber, and the hot blast between adjacent baffle forms the flue gradually crossed, flow in " Z " font, and the free end of described deflection plate is arc；The bottom connection dust stratification groove of described ash accumulating chamber.
Air stove for biomass molding fuel roller drier the most according to claim 1, it is characterized in that: the outside of described air stove is provided with the steel hoop component for air stove being fastened, described hoop component includes vertical channel-section steel and the horizontal type channel-section steel welded with vertical channel-section steel.
Air stove for biomass molding fuel roller drier the most according to claim 2, it is characterized in that: described deflection plate includes the first deflection plate and the second deflection plate, one end of described first deflection plate is connected to the bottom on arc top, one end is unsettled, and one end of described second deflection plate is connected to the top of fire grate.
Air stove for biomass molding fuel roller drier the most according to claim 3, it is characterised in that: described fire grate is hand fire grate, and described hand fire grate is made up of the adjustable grid section in gap.
Air stove for biomass molding fuel roller drier the most according to claim 4, it is characterised in that: it is provided with electrostatic precipitator in described expansion chamber, including the positive plate of the cathode line and ground connection being connected to high-voltage DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057880.0U CN205537069U (en) | 2016-01-21 | 2016-01-21 | A hot -blast furnace for biomass briquette fuel drum dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057880.0U CN205537069U (en) | 2016-01-21 | 2016-01-21 | A hot -blast furnace for biomass briquette fuel drum dryer |
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| CN205537069U true CN205537069U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620057880.0U Expired - Fee Related CN205537069U (en) | 2016-01-21 | 2016-01-21 | A hot -blast furnace for biomass briquette fuel drum dryer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546970A (en) * | 2016-01-21 | 2016-05-04 | 遵义兴和能源有限公司 | Hot-blast stove used for biomass briquette roller dryer |
| CN107023984A (en) * | 2017-05-10 | 2017-08-08 | 无锡市翱宇特新科技发展有限公司 | A kind of device for reducing dust of biomass thermal wind furnace |
-
2016
- 2016-01-21 CN CN201620057880.0U patent/CN205537069U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546970A (en) * | 2016-01-21 | 2016-05-04 | 遵义兴和能源有限公司 | Hot-blast stove used for biomass briquette roller dryer |
| CN107023984A (en) * | 2017-05-10 | 2017-08-08 | 无锡市翱宇特新科技发展有限公司 | A kind of device for reducing dust of biomass thermal wind furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171110 Address after: 563305, 79 Village (409 factory area), Pu County town, Suiyang, Guizhou, Zunyi Patentee after: Zunyi Shuanghe Bio Fuel Technology Co., Ltd. Address before: 563305 Suiyang County of Guizhou province Zunyi City Zhenyuan 409 Pu Chang Industrial Park Patentee before: ZUNYI XINGHE ENERGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |