CN110056860A - One kind shedding type biological particles from fragmentation - Google Patents
One kind shedding type biological particles from fragmentation Download PDFInfo
- Publication number
- CN110056860A CN110056860A CN201910337659.9A CN201910337659A CN110056860A CN 110056860 A CN110056860 A CN 110056860A CN 201910337659 A CN201910337659 A CN 201910337659A CN 110056860 A CN110056860 A CN 110056860A
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- Prior art keywords
- biological particles
- fragmentation
- expandable microspheres
- burning
- type biological
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
- F23K1/02—Mixing solid fuel with a liquid, e.g. preparing slurries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses one kind to shed type biological particles from fragmentation, and component has rosin, coal dust, stalk powder or sawdust powder expandable microspheres, sodium hydroxide, desulfurizing agent and out of stock reducing agent.The present invention has the advantage that rosin can soften during grain forming compared with prior art, play the role of bonded particulate together with lignin, rosin is able to enter in tiny gap simultaneously, the gap on inside particle and surface is tamped, moisture is obstructed to enter, effective moisture-proof role is played, while being able to maintain the stabilization of its interior sodium hydroxide；The addition of coal dust can effectively improve particle calorific value, and ignition temperature can be effectively improved in burning situation by shedding；Expandable microspheres, which expand to burst that biological particles fragmentation is opened and shed rapidly, sweeps in combustion chamber, forms the burning of disperse formula, effectively improves the indoor temperature of burning；Sodium hydroxide can effectively form alkaline burning situation by the effect of shedding of expandable microspheres and burning is promoted sufficiently to carry out.
Description
Technical field
The present invention relates to field of combustion technology and debirs disposal technology field, more particularly to one kind to throw from fragmentation
Spill type biological particles.
Background technique
The resource utilization of exhaust gas biomass material is the important topic that society faces now, and biomass granule fuel is mesh
Before the low cost and one of very effective mode advocated.Biomass granule fuel aptitude to burn, their combustion process one
As be divided into 4 processes: (1) in biomass water evaporation process；(2) release that gas vapor chemical conversion divides in biomass；(3) it discharges
Gas burns at high temperature with the oxygen in air；(4) residue (mainly carbon) burns.The main problem of this process is inefficient
Its ignition temperature is substantially improved can not in rate, limits its field used, and quick feeding be easy to cause fuel accumulation to make to burn
Not exclusively, charging rate is too slow can make ignition temperature that cannot effectively be promoted because calorific value is low again.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to shed type biological particles from fragmentation.
The present invention is achieved by the following technical solutions: one kind shedding type biological particles from fragmentation, comprising such as the following group
Point:
100 parts of combustable substrate powder
0.1~1 part of expandable microspheres.
As further improvement of these options, the expandable microspheres select the swollen of 120 DEG C of blowing temperature of starting or more
Swollen microballoon.
As further improvement of these options, the trade mark of the expandable microspheres selects Aksu DU958, Aksu
One of DU120, Aksu DU40 or Aksu DU80 or a variety of.
It also include 0.1~3 part of hydrogen-oxygen as further improvement of these options, in the component of the biological particles
Change sodium.
As further improvement of these options, the sodium hydroxide is that biomass powder is sprayed in a manner of aqueous solution
On mode mixed with raw material, carry out extrusion forming granulation again later.
As further improvement of these options, in the combustable substrate powder include 1~5 part of rosin, 35~50 parts
Coal dust, 40~60 parts of stalk powders or sawdust powder.
It is also de- comprising 0.02~0.2 part in the component of the biological particles as further improvement of these options
Sulphur agent and 0.02~0.2 part of out of stock reducing agent.
As further improvement of these options, the desulfurizing agent is selected in calcium carbonate, calcium oxide or calcium hydroxide
One or more, the out of stock reducing agent selects one or both of urea or ammonium sulfate.
The present invention has the advantage that rosin can soften during grain forming compared with prior art, with lignin
Play the role of bonded particulate together, while rosin is able to enter in tiny gap, by the gap on inside particle and surface
It tamps, barrier moisture enters, and plays effective moisture-proof role, while being able to maintain the stabilization of its interior sodium hydroxide；Coal dust adds
Particle calorific value can be effectively improved by entering, and ignition temperature can be effectively improved in burning situation by shedding；Expandable microspheres expand rapidly
It bursts that biological particles fragmentation is opened and shed and sweeps in combustion chamber, form the burning of disperse formula, greatly increase connecing for fuel and oxygen
Contacting surface product effectively improves the indoor temperature of burning；Sodium hydroxide can effectively form alkali by the effect of shedding of expandable microspheres
Property burning situation promote burning sufficiently carry out.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
One kind shedding type biological particles from fragmentation, includes following component:
100 parts of combustable substrate powder, include 5 parts of rosin, 50 parts of coal dusts, 45 parts of stalk powders or wood in combustable substrate powder
Crumbs powder.Rosin can soften during grain forming, play the role of bonded particulate together with lignin, while rosin
It is able to enter in tiny gap, the gap on inside particle and surface is tamped, barrier moisture enters, and plays effective moisture-proof work
With；The addition of coal dust can effectively improve particle calorific value, and ignition temperature can be effectively improved in burning situation by shedding.
0.2 part of expandable microspheres, expandable microspheres select the expandable microspheres of 120 DEG C of blowing temperature of starting or more, and expansion can be selected
The trade mark of microballoon selects one of Aksu DU958, Aksu DU120, Aksu DU40 or Aksu DU80 or a variety of.It is raw
General temperature selects 120 DEG C of beginning blowing temperature or more of expandable microspheres can at 80~100 DEG C in the granulation process of material grains
Its expansion is effectively avoided to generate gap, so in combustion, expandable microspheres, which expand rapidly, to be burst biological particles fragmentation
It opens and sheds and sweep in combustion chamber, form the burning of disperse formula, greatly increase the contact area of fuel and oxygen, effectively improve combustion chamber
Interior temperature.
0.2 part of sodium hydroxide, sodium hydroxide are the mode being sprayed on biomass powder in a manner of aqueous solution and raw material
Mixing, carries out extrusion forming granulation again later.Studies have pointed out that artificial change traditional combustion environment, the energy in alkaline environment
Enough make burning more abundant, while can also effectively reduce NOXAnd SOXDischarge.But its need using dedicated equipment to
The mode of alkaline aerosol is sprayed in combustion chamber to manufacture alkaline burning situation, needs to increase additional control and equipment.Particle
Middle addition sodium hydroxide can effectively form alkaline burning situation by the effect of shedding of expandable microspheres.Biological particles are granulated
During this need that the humidity of raw material is adjusted, sodium hydroxide sprayed in a manner of aqueous solution on the one hand can help to adjust
Water content, additionally it is possible to be scattered in sodium hydroxide superfine short grained mode in particle, particle moisture when heated is quick
Scatter and disappear, particle again during become fluffy, shedding during bursting along with expandable microspheres expansion can will be tiny
Alkali grain, which is shed, to be distributed in burning situation, is formed alkaline burning situation, is promoted the abundant progress of burning.Sodium hydroxide is easy
Water suction, but the rosin in particle can make particle densification, while obstruct moisture, so that sodium hydroxide is able to maintain in the grain
Stablize.
0.2 part of desulfurizing agent and 0.2 part of out of stock reducing agent, desulfurizing agent select one in calcium carbonate, calcium oxide or calcium hydroxide
Kind is a variety of, and the out of stock reducing agent selects one or both of urea or ammonium sulfate.Desulfurizing agent and out of stock reducing agent are usual
Can effectively play a role in the environment of needing to come into full contact with flue gas, in the present solution, expandable microspheres explosion process
It is shed in atmosphere, desulfurization and denitration are played the role of in effective participation reaction.
Embodiment 2
One kind shedding type biological particles from fragmentation, includes following component:
100 parts of combustable substrate powder, include 5 parts of rosin, 35 parts of coal dusts, 60 parts of stalk powders or wood in combustable substrate powder
Crumbs powder.Rosin can soften during grain forming, play the role of bonded particulate together with lignin, while rosin
It is able to enter in tiny gap, the gap on inside particle and surface is tamped, barrier moisture enters, and plays effective moisture-proof work
With；The addition of coal dust can effectively improve particle calorific value, and ignition temperature can be effectively improved in burning situation by shedding.
1 part of expandable microspheres, expandable microspheres select the expandable microspheres of 120 DEG C of blowing temperature of starting or more, the board of expandable microspheres
Number select one of Aksu DU958, Aksu DU120, Aksu DU40 or Aksu DU80 or a variety of.Biological particles
Granulation process in general temperature at 80~100 DEG C, select 120 DEG C of beginning blowing temperature or more of expandable microspheres that can effectively avoid
It, which is expanded, generates gap, and so in combustion, expandable microspheres, which expand to burst rapidly, to be opened biological particles fragmentation and shed
It sweeps in combustion chamber, forms the burning of disperse formula, greatly increase the contact area of fuel and oxygen, effectively improve the indoor temperature of burning
Degree.
3 parts of sodium hydroxide, sodium hydroxide are that the mode being sprayed on biomass powder in a manner of aqueous solution and raw material are mixed
It closes, carries out extrusion forming granulation again later.Studies have pointed out that artificial change traditional combustion environment, it can in alkaline environment
Keep burning more abundant, while can also effectively reduce NOXAnd SOXDischarge.But it is needed using dedicated equipment to combustion
The mode of the alkaline aerosol of injection in room is burnt to manufacture alkaline burning situation, needs to increase additional control and equipment.In particle
Sodium hydroxide, which is added, can effectively form alkaline burning situation by the effect of shedding of expandable microspheres.What biological particles were granulated
This needs that the humidity of raw material is adjusted in the process, on the one hand sodium hydroxide is sprayed in a manner of aqueous solution can help to adjust
Water content, additionally it is possible to be scattered in sodium hydroxide superfine short grained mode in particle, particle moisture when heated quickly dissipates
It loses, particle becomes fluffy in the process again, shedding during bursting along with expandable microspheres expansion, can be by tiny alkali
Property particle shed and be distributed in burning situation, form alkaline burning situation, promote the abundant progress of burning.Sodium hydroxide is easy to inhale
Water, but the rosin in particle can make particle densification, while obstruct moisture, so that sodium hydroxide is able to maintain surely in the grain
It is fixed.
Embodiment 3
One kind shedding type biological particles from fragmentation, includes following component:
100 parts of combustable substrate powder, include 1 part of rosin, 44 parts of coal dusts, 55 parts of stalk powders or wood in combustable substrate powder
Crumbs powder.Rosin can soften during grain forming, play the role of bonded particulate together with lignin, while rosin
It is able to enter in tiny gap, the gap on inside particle and surface is tamped, barrier moisture enters, and plays effective moisture-proof work
With；The addition of coal dust can effectively improve particle calorific value, and ignition temperature can be effectively improved in burning situation by shedding.
0.1 part of expandable microspheres, expandable microspheres select the expandable microspheres of 120 DEG C of blowing temperature of starting or more, expandable microspheres
The trade mark selects one of Aksu DU958, Aksu DU120, Aksu DU40 or Aksu DU80 or a variety of.Biomass
General temperature selects 120 DEG C of beginning blowing temperature or more of expandable microspheres that can effectively keep away at 80~100 DEG C in the granulation process of grain
Exempt from its expansion and generate gap, so in combustion, expandable microspheres, which expand to burst rapidly, to be opened biological particles fragmentation and throw
It sweeps in combustion chamber, forms the burning of disperse formula, greatly increase the contact area of fuel and oxygen, effectively improve the indoor temperature of burning
Degree.
0.1 part of sodium hydroxide, sodium hydroxide are the mode being sprayed on biomass powder in a manner of aqueous solution and raw material
Mixing, carries out extrusion forming granulation again later.Studies have pointed out that artificial change traditional combustion environment, the energy in alkaline environment
Enough make burning more abundant, while can also effectively reduce NOXAnd SOXDischarge.But its need using dedicated equipment to
The mode of alkaline aerosol is sprayed in combustion chamber to manufacture alkaline burning situation, needs to increase additional control and equipment.Particle
Middle addition sodium hydroxide can effectively form alkaline burning situation by the effect of shedding of expandable microspheres.Biological particles are granulated
During this need that the humidity of raw material is adjusted, sodium hydroxide sprayed in a manner of aqueous solution on the one hand can help to adjust
Water content, additionally it is possible to be scattered in sodium hydroxide superfine short grained mode in particle, particle moisture when heated is quick
Scatter and disappear, particle again during become fluffy, shedding during bursting along with expandable microspheres expansion can will be tiny
Alkali grain, which is shed, to be distributed in burning situation, is formed alkaline burning situation, is promoted the abundant progress of burning.Sodium hydroxide is easy
Water suction, but the rosin in particle can make particle densification, while obstruct moisture, so that sodium hydroxide is able to maintain in the grain
Stablize.
0.02 part of desulfurizing agent and 0.02 part of out of stock reducing agent, desulfurizing agent are selected in calcium carbonate, calcium oxide or calcium hydroxide
One or more, the out of stock reducing agent selects one or both of urea or ammonium sulfate.Desulfurizing agent and out of stock reducing agent are logical
Often need come into full contact with flue gas in the environment of can effectively play a role, in the present solution, expandable microspheres explosion
Journey is shed in atmosphere, and desulfurization and denitration are played the role of in effective participation reaction.
Embodiment 4
One kind shedding type biological particles from fragmentation, includes following component:
100 parts of combustable substrate powder, include 3 parts of rosin, 40 parts of coal dusts, 57 parts of stalk powders or wood in combustable substrate powder
Crumbs powder.Rosin can soften during grain forming, play the role of bonded particulate together with lignin, while rosin
It is able to enter in tiny gap, the gap on inside particle and surface is tamped, barrier moisture enters, and plays effective moisture-proof work
With；The addition of coal dust can effectively improve particle calorific value, and ignition temperature can be effectively improved in burning situation by shedding.
0.3 part of expandable microspheres, expandable microspheres select the expandable microspheres of 120 DEG C of blowing temperature of starting or more, expandable microspheres
The trade mark selects one of Aksu DU958, Aksu DU120, Aksu DU40 or Aksu DU80 or a variety of.Biomass
General temperature selects 120 DEG C of beginning blowing temperature or more of expandable microspheres that can effectively keep away at 80~100 DEG C in the granulation process of grain
Exempt from its expansion and generate gap, so in combustion, expandable microspheres, which expand to burst rapidly, to be opened biological particles fragmentation and throw
It sweeps in combustion chamber, forms the burning of disperse formula, greatly increase the contact area of fuel and oxygen, effectively improve the indoor temperature of burning
Degree.
1 part of sodium hydroxide, sodium hydroxide are that the mode being sprayed on biomass powder in a manner of aqueous solution and raw material are mixed
It closes, carries out extrusion forming granulation again later.Studies have pointed out that artificial change traditional combustion environment, it can in alkaline environment
Keep burning more abundant, while can also effectively reduce NOXAnd SOXDischarge.But it is needed using dedicated equipment to combustion
The mode of the alkaline aerosol of injection in room is burnt to manufacture alkaline burning situation, needs to increase additional control and equipment.In particle
Sodium hydroxide, which is added, can effectively form alkaline burning situation by the effect of shedding of expandable microspheres.What biological particles were granulated
This needs that the humidity of raw material is adjusted in the process, on the one hand sodium hydroxide is sprayed in a manner of aqueous solution can help to adjust
Water content, additionally it is possible to be scattered in sodium hydroxide superfine short grained mode in particle, particle moisture when heated quickly dissipates
It loses, particle becomes fluffy in the process again, shedding during bursting along with expandable microspheres expansion, can be by tiny alkali
Property particle shed and be distributed in burning situation, form alkaline burning situation, promote the abundant progress of burning.
0.1 part of desulfurizing agent and 0.1 part of out of stock reducing agent, desulfurizing agent select one in calcium carbonate, calcium oxide or calcium hydroxide
Kind is a variety of, and the out of stock reducing agent selects one or both of urea or ammonium sulfate.Desulfurizing agent and out of stock reducing agent are usual
Can effectively play a role in the environment of needing to come into full contact with flue gas, in the present solution, expandable microspheres explosion process
It is shed in atmosphere, desulfurization and denitration are played the role of in effective participation reaction.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (8)
1. one kind sheds type biological particles from fragmentation, it is characterised in that include following component:
100 parts of combustable substrate powder
0.1~1 part of expandable microspheres.
2. one kind sheds type biological particles from fragmentation as claimed in claim 2, it is characterised in that: the expandable microspheres are selected
120 DEG C of beginning blowing temperature or more of expandable microspheres.
3. one kind sheds type biological particles from fragmentation as claimed in claim 3, it is characterised in that: the trade mark of the expandable microspheres
Select one of Aksu DU958, Aksu DU120, Aksu DU40 or Aksu DU80 or a variety of.
4. one kind sheds type biological particles from fragmentation as described in claims 1 or 2 or 3, it is characterised in that: the biomass
It also include 0.1~3 part of sodium hydroxide in the component of grain.
5. one kind sheds type biological particles from fragmentation as claimed in claim 4, it is characterised in that: the sodium hydroxide is with water
The mode of solution is sprayed on the mode on biomass powder and mixes with raw material, carries out extrusion forming granulation again later.
6. one kind sheds type biological particles from fragmentation as claimed in claim 4, it is characterised in that: in the combustable substrate powder
Include 1~5 part of rosin, 35~50 parts of coal dusts, 40~60 parts of stalk powders or sawdust powder.
7. one kind sheds type biological particles from fragmentation as claimed in claim 6, it is characterised in that: the group of the biological particles
It also include 0.02~0.2 part of desulfurizing agent and 0.02~0.2 part of out of stock reducing agent in point.
8. one kind sheds type biological particles from fragmentation as claimed in claim 7, it is characterised in that: the desulfurizing agent selects carbonic acid
One of calcium, calcium oxide or calcium hydroxide are a variety of, and the out of stock reducing agent selects one of urea or ammonium sulfate or two
Kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337659.9A CN110056860A (en) | 2019-04-25 | 2019-04-25 | One kind shedding type biological particles from fragmentation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337659.9A CN110056860A (en) | 2019-04-25 | 2019-04-25 | One kind shedding type biological particles from fragmentation |
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| Publication Number | Publication Date |
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| CN110056860A true CN110056860A (en) | 2019-07-26 |
Family
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