CN102533380A - Process for preparing activated carbon livestock excrement fuel - Google Patents
Process for preparing activated carbon livestock excrement fuel Download PDFInfo
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- CN102533380A CN102533380A CN2011104295338A CN201110429533A CN102533380A CN 102533380 A CN102533380 A CN 102533380A CN 2011104295338 A CN2011104295338 A CN 2011104295338A CN 201110429533 A CN201110429533 A CN 201110429533A CN 102533380 A CN102533380 A CN 102533380A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention discloses a process for preparing activated carbon livestock excrement fuel, which comprises the following steps of: (1) mixing and stirring raw materials, wherein on a dry weight basis, the raw materials comprise 60 percent-80 percent of livestock excrement, 10 percent-30 percent of biomass silt-sized grain, and 1 percent-30 percent of activated carbon; (2) dehydrating the raw materials stirred by the step (1); and (3) granulating the raw materials dehydrated by the step (2). The process for preparing the activated carbon livestock excrement fuel has the advantages that: the process is simple, and activated carbon used as a deodorizer can be prepared through flotating or carbonizing pulverized fuel ash.
Description
Technical field
The present invention relates to utilize fowl and animal excrement to make fuel, more particularly, the present invention relates to a kind of technology for preparing gac fowl and animal excrement fuel.
Background technology
The ight soil of domestic birds and animals causes severe contamination to environment, lets the raiser have a headache very much.The common solution route of fowl and animal excrement is as field fertilizer.In recent years, the someone has proposed the energy purposes of fowl and animal excrement.Have existed since ancient times to dryout the excrement heating, and dejecta fuel does not contain sulphur, can not discharge the gas that makes Global warming during burning, helps protecting atmospheric environment.
Generally speaking, fowl and animal excrement is lower than 40% state in water cut and has golf calorific value.But, need long seasoning or artificial heat drying for reaching this low-water-content state.Therefore fowl and animal excrement only utilizes as energy and in very little scope, carries out.
Ongoing energy about fowl and animal excrement utilizes scheme to have at present: the fuel of chicken manure as generating or waste boiler is used; Perhaps utilizing the fecaluria of ox, pig to ferment and produce with methane is the biogas of staple, and this biogas acted as a fuel uses etc.
Chinese patent 200810011142.2 discloses a kind of herbivore dejecta fuel and method of manufacture thereof.Its disclosed herbivore dejecta fuel; It is cylindrical or lineal hexahedral shape piece; Its moity has ight soil, sawdust and the agricultural crop straw of phytophagous animal; In the herbivore dejecta fuel, the ight soil of phytophagous animal, sawdust and agricultural crop straw are respectively 100,14～20,14～20 in the weight part of butt.
One Chinese patent application 200880114217.8 discloses cattle waste of domestic animals manures such as containing pig manure, cow dung, chicken manure etc. and has contained dechlorination method and the method for manufacture and the biomass fuel of biomass fuel of the high-moisture percentage organic waste of large quantity of moisture.The high-moisture percentage organic waste that to discharge from the discharge source uses dechlorination equipment carry out dechlorination handle the formation chlorine gas concentration as below the 4000ppm and water ratio be the dechlorination organic waste below 90%; Then; In the moisture conditioning equipment of the producing apparatus of biomass fuel, adding moisture regulates material water ratio is adjusted to below 70%; Then; In fermenter, make the dechlorination fermentation of organic wastes, and be utilized in the heat of fermentation that is produced in this fermenting process and make it heat drying, obtaining chlorine gas concentration is below the 4000ppm and water ratio is the dry dechlorination organic waste below 40%.
One Chinese patent application 200910074714.6 discloses a kind of working method of livestock faeces fuel; It comprises batch mixing, compression moulding, drying; Wherein the batch mixing step is: the livestock faeces of will doing, wet mixes, and humidity reaches and can compression moulding get final product, like no argol; Can but muck is air-dry to compression moulding, in livestock faeces, add sterilant, for example unslaked lime in the mixing process; Amount of filling is 1: 200, and promptly per 200 weight part excrement add the unslaked lime of 1 weight, also can select for use conventional chlorine-containing compound as sterilant; According to the chlorinity of chlorine-containing compound, confirm add-on with reference to conventional amount used; The compression moulding step is: mixed excrement is added compression moulding in the compression molding device that has mould, compression molding device can adopt common compression molding device; Drying can be natural air drying, also can be indoor oven dry.
One Chinese patent application 201010172211.5 discloses a kind of biomass energy-saving clean solid fuel and working method.The composition of this biomass energy-saving clean solid fuel comprises: cow dung, stalk, coal slime, ignition dope, water glass; Wherein the parts by weight of cow dung are 3, and the parts by weight of stalk powder are 3, and the parts by weight of coal slime are 3; The parts by weight of ignition dope are 0.5, and the parts by weight of water glass are 0.5.
One Chinese patent application 201010287950.9 discloses a kind of biomass granule fuel.Its component (by weight) being: straw 50～60%, hard coal 2～5%, coal slime 15～20%, yellow mud 2～5%, waste grease 2～5%, food refuse 8～12%, water 8～12%, draught animal excrement 10～15%, each component sum equals 100%.
It is that main raw material prepares solid-fuelled method with animal excrement that one Chinese patent application 201010582294.5 discloses a kind of, and it is by animal excrement 30-85 part; Rutile 2-30 part; Ilmenite 2-20 part; Silico-aluminate ore powder 2-50 part; Saltpetre 2-30 part; Lime carbonate 2-40 part and auxiliary material organosilicon quaternary ammonium salt, borneol, Spora Lygodii, dispersion agent, alcohol radical, alcohol-group fuel gain of heat agent, strontium and industrial paraffin are prepared from: at first animal excrement are placed in the cannery retort sterilization under 100 ℃ of temperature; After utilizing ultrasonic atomization deodorizing, oven dry, be ground to Powdered subsequent use; According to said ratio, each raw material joined in the mixing machine successively stir, send into granulation in the Squeezinggranulator, granule materials is sent in the hydropress, is pressed into the solid fuel finished product that has honeycomb hole.
Technique scheme or use biological material such as agricultural crop straw as reodorant perhaps uses the chemical deodorizing agent as reodorant; The deodorizing effect of biological materials such as agricultural crop straw is poor, and the products of combustion contaminate environment of chemical deodorizing agent.Therefore, provide a kind of technology to become the problem that industry need solve with better deodorizing preparation fowl and animal excrement fuel free from environmental pollution again.
Summary of the invention
To the shortcoming of prior art, the purpose of this invention is to provide a kind of technology for preparing gac fowl and animal excrement fuel, the employed reodorant of this technology has deodorizing effect preferably, and its products of combustion does not pollute the environment simultaneously.
To achieve these goals, the invention provides a kind of technology for preparing gac fowl and animal excrement fuel, it comprises the steps:
(1) with stirring after the raw materials mix; With dry weight basis, this raw material comprises the fowl and animal excrement of 60%-90%, the biomass break flour of 10%-30%, the gac of 1%-30%;
(2) with the raw material dehydration after step (1) stirring;
(3) utilize step (2) dehydrated raw material granulation.
" dry weight " among the present invention is dried weight under the normal temperature and pressure, also contains certain moisture, is not moisture fully, its water cut with the area with season and to some extent the variation.
The animal of culturing is fed, concentrated especially on a large scale to fowl poultry among the present invention for the mankind, for example human chicken, duck, goose, ox, sheep, pig, donkey, horse, rabbit, cat, the dog of having raised and train several thousand; And for example rise deer, ermine, the fox of culturing in recent years; The animal excrement that also can the zoological park be collected are as raw material of the present invention.Its ight soil can be fresh excreta, also can be the ight soil after argol or methane-generating pit are handled.
Biomass break flour among the present invention can be powder that obtains after sawdust, bamboo bits, wood chip, the agricultural crop straw pulverizing or the like.Through stirring after the raw materials mix that will include fowl and animal excrement and biomass break flour, make various raw materials mix even on the one hand, in the process that stirs, make the biomass break flour absorb the peculiar smell of ight soil on the other hand, thereby reach the purpose of removing peculiar smell.The volatile matter of biomass break flour can also make the point of ignition that makes fuel reduce.
In the step (2), the raw material that mixes after stirring is dewatered to moisture 20%-30% (weight ratio), its concrete vacuum available belt dewaterer or pressure type water extracter are accomplished.
Cylindrical, six prismatic or other shapes that the particle that obtains in the step (3) can be; The biofuel particulate of indication is of a size of the diameter of columniform circular cross section in this specification sheets; Or the external circular diameter of six prismatical hexagonal cross-section, or the maximal side of other shaped particles.
Among the present invention, as reodorant, with respect to biological materials such as agricultural crop straws, it has better deodorizing effect with gac; In addition, gac self is also participated in burning, and it provides the heat of 500-700 card/kilogram for the fuel that finally obtains; And gac generates carbonic acid gas when perfect combustion, and its products of combustion does not pollute environment.
According to an embodiment of the present invention, step (2) comprises the steps: A, the raw material after step (1) stirring is dewatered; B, in step (A) dehydrated raw material, add sticker, and stir.Sticker in the step (B) can be modified starch, for example cassava modified starch or modified corn starch.Through adding sticker, make raw material be more prone to moulding.
Among the present invention, can carry out granulation in several ways.For example, according to another embodiment of the invention, the granulation process in the step (3) is: utilize step (2) dehydrated raw material making sheet, the making sheet of oven dry institute, slashings and screening to obtain particle.Promptly utilize raw material to make plate earlier, come granulation through slashings.
And for example, according to another embodiment of the invention, the granulation process of step (3) is: with the oven dry of step (2) dehydrated raw material, and utilize the raw material after the oven dry to carry out granulation through tablets press.Promptly directly utilize tablets press to come granulation.
Gac of the present invention can various raw materials, various technology is processed.Because the end-use of fowl and animal excrement fuel of the present invention is burning, as the gac of raw material, its raw materials cost and manufacturing cost, all unsuitable too high.According to another embodiment of the present invention, gac is for being prepared by the flyash floatation process.Wherein, the flyash flotation can obtain high charcoal ash (perhaps being powdered carbon), and high charcoal ash can directly add in the road flyash as gac, and perhaps this high charcoal ash can be through carrying out further activation with various technologies.For example, high charcoal ash can carry out activation through charring process.
Wherein, floatation process comprises the steps:
1. in fly ash grain, add flotation agent, form mixture;
2. in floatation equipment, make step 1. in the mixture of gained fall from top;
3. in floatation equipment, form the gas upwards blow, the mixture formation counter current contact that this gas and step fall in 2., and also this gas is turbulent state in the process that moves upward;
4. collect step 3. in the PM for particulate matter of the flotation plate through floatation equipment upwards.
1. middle flotation agent, the collecting agent of using of step, wherein, the flotation agent of employing is pine camphor oil or C8 aronmatic, collecting agent is LIGHT DIESEL OIL or diesel oil.3. the gas in is specially 1-2 normal atmosphere (gauge pressure).
The principle of work of this floatation process is: the staple of flyash is carbon granule and ash content.After adding flotation agent and/or collecting agent and/or other auxiliary agent, the particle in the flyash contacts, collides with bubble, and the carbon granule that flotability is good optionally adheres to bubble, and is carried rising, realizes flotation.The ash content of flotability difference is then to sinking.
Because upwards blow bubble and particulate gas is turbulent state, thereby the better effects if of flotation, the flotation rate is higher.
The carbonization-activation technology of high charcoal ash comprises the steps:
A utilizes heating unit, and the powdered carbon raw material in the rotating cylinder of charring furnace is heated, and this powdered carbon raw material produces combustible combustion gas under heat effect;
B closes heating unit;
C feeds the combustion gas that steps A produced in the combustion unit and burns, and produces high-temperature flue gas;
D feeds rotating cylinder with the high-temperature flue gas that is produced, and the powdered carbon raw material is heated, and produces combustible combustion gas;
The combustion gas that E is produced step D feeds in the said combustion unit burns, and produces high-temperature flue gas;
F repeated execution of steps D and step e.
" powdered carbon raw material " alleged among the present invention refers in particular to the raw material of charing in charring furnace, its particulate state carbonaceous material for being made by the fly ash grain flotation.
According to an embodiment, above-mentioned high-temperature flue gas and powdered carbon raw material counter current contact, promptly the translational motion direction of the flow direction of high-temperature flue gas and powdered carbon raw material is opposite.
The inflammable gas that the powdered carbon raw material produces is refered in particular in alleged " combustion gas " among the present invention under heat effect, and it can comprise CO, H
2, CH
4, alkane, alkene, the various volatile components of coal tar wet goods; Alleged " flue gas " is the gas that is produced after combustion gas is burnt in combustion unit.Method of the present invention promptly through these inflammable gass of burning, provides the charing of powdered carbon raw material needed heat.The inflammable gas that produces in the carbonization process feeds in the combustion unit and burns, and the high-temperature flue gas that burning produces feeds charring furnace, and the powdered carbon raw material in the charring furnace is heated and then charing.Like this, both save the energy, and avoided a large amount of inflammable gass to enter in the atmosphere again, reduced environmental pollution.
Consider the manufacturing cost of gac, the gac ratio in the raw material is unsuitable excessive.Preferably, according to another embodiment of the present invention, with dry weight basis, raw material comprises the gac of 1%-10%; More preferably, according to another embodiment of the present invention, with dry weight basis, raw material comprises the gac of 1%-5%.
According to another embodiment of the present invention, no matter the ight soil of carnivore, the ight soil of phytophagous animal still are the ight soil of omnivore, all can be used as raw material of the present invention.Particularly, fowl and animal excrement is one or more of chicken manure, duck excrement, goose excrement, cow dung, horsehit, sheep excrement, pig manure, deer excrement, rabbit excrement, and its ight soil that is preferably omnivore is pig manure for example.
According to another embodiment of the present invention, can be fresh excreta as the fowl and animal excrement of raw material, also can be the ight soil after argol or methane-generating pit are handled.
According to another embodiment of the present invention, the biomass break flour is powder that obtains after sawdust, bamboo bits, wood chip, the agricultural crop straw pulverizing or the like, is preferably bamboo bits and/or wood chip; Its size is preferably less than 0.5 millimeter less than 1 millimeter.
Compared with prior art, the present invention has following beneficial effect:
(1) through in fowl and animal excrement, adding the biomass break flour, both removes the peculiar smell of ight soil, reduced the point of ignition of gained fuel again;
(2) through adding sticker, make raw material be more prone to moulding;
(3) raw material sources are extensive, and the ight soil of carnivore, phytophagous animal, omnivore all can be used as raw material of the present invention;
(4) with gac as reodorant, with respect to biological materials such as agricultural crop straws, it has better deodorizing effect;
(5) gac self is also participated in burning, and it provides the heat of 500-700 card/kilogram for the fuel that finally obtains;
(6) gac generates carbonic acid gas when perfect combustion, and its products of combustion does not pollute environment;
(7) need not consume a large amount of water;
(8) batching is simple, and is cheap for manufacturing cost.
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Description of drawings
Fig. 1 is a structural representation of making the used floatation system of gac raw material among the embodiment 1;
Fig. 2 is a structural representation of making the used charing of gac raw material system among the embodiment 1.
Embodiment
Embodiment 1
Embodiments of the invention 1 utilize the biofuel particle of pig manure manufacturing dimension for the 8-10 millimeter.It comprises the steps:
(1) pig manure, powdered carbon, bamboo wood chip are mixed the back according to the dry weight weight ratio at 8: 1: 1 and stir, in the process that stirs, remove the peculiar smell of pig manure;
(2) raw material that utilizes vacuum belt dewaterer that step (1) is mixed after stirring dewaters to moisture about 25%;
(3) in step (2) dehydrated raw material, add for example modified starch (modified corn starch) of sticker, and stir;
(4) raw material after step (3) stirring is dropped in the shaping feeding equipment, be sent to after the raw material shaping in 2000 tons of pressing machinees and be pressed into tabular work in-process;
(5) the tabular work in-process that utilize the tunnel dryer that step (4) is obtained are dried to moisture about 5%;
(6) utilize the tabular work in-process after fine crusher is dried step (6) broken;
(7) product after screening step (6) fragmentation obtains being of a size of the biofuel particle of 8-10 millimeter.
Wherein, gac used in the raw material obtains carbon granule (powdered carbon raw material) for utilizing the fly ash grain flotation, and the powdered carbon raw material is carried out charing, and the powdered carbon after the charing is carried out activation makes.Its producing apparatus comprises floatation system, charing system, activation system.
Shown in Figure 1 for making the used floatation system of gac raw material of present embodiment; It comprises a flotation unit, and this flotation unit comprises: storage device 11, distribution device 12, the cylindrical shell 13 that vertically is provided with, the diffusing device of air 14 of the bucket-shaped reflection of awl, multilayer flotation plate 15, air feeder 16, physical separation means such as UW tripping device 18, screen plate 19, tail ash bin 110, overflow collection section 1301, tail ash collection section 1305.
The cylindrical shell 13 that vertically is provided with can be divided into three parts, is followed successively by from top to bottom: the first flotation section 1302, divergent cone section 1303, the second flotation section 1304.Wherein, the first flotation section 1302 is thinner, is provided with one deck flotation plate 15 in it.The second flotation section 1304 is thicker, is provided with loose device of air 14 and one deck flotation plate 15 in it.Divergent cone section 1303 is the bucket-shaped transitional region of the awl of point upward between the first flotation section 1302 and the second flotation section 1304.
Tail ash collection section 1305 is that the awl of pointed end is bucket-shaped; And its bottom tip place is provided with tail ash outlet 1306; Tail ash outlet 1306 is connected with tail ash tube road 1307, and tail ash tube road 1307 is connected to tail ash bin 110, and tail ash bin 110 is positioned at the end in tail ash tube road 1307; And be enclosed within outside the tail ash tube road 1307; The terminal height in tail ash tube road 1307 are positioned on the top layer flotation plate, and the end in tail ash tube road 1307 is provided with liquid level regulation apparatus, and the height that is used for the end through regulating tail ash tube road 1307 is regulated the liquid level in the flotation unit.The bottom of tail ash bin 110 is provided with ash discharging hole 1308.Between the second flotation section 1304 and tail ash collection section 1305, be provided with screen plate 19.
The device of air 14 that looses is that the awl of point upward is bucket-shaped, and its awl bucket angle is 120 °, and its conical surface is provided with a plurality of pores 1401; It is positioned at the second flotation section 1304, and is positioned at 1305 tops, awl bucket-shaped tail ash collection section.The device of air 14 that looses is provided with a plurality of ultrasonic separation means 18.
Multilayer (for example three layers) the flotation plate 15 that is provided with at interval lays respectively in the first flotation section 1302 and the second flotation section 1304, and wherein the flotation plate 15 of bottom is positioned at the top of the bucket-shaped diffusing device of air 14 of awl.
Be provided with whipping appts 1101 in the storage device 11, be used for powdered coal ash slurry and flotation agent are fully stirred.The bottom of storage device 11 is provided with charging line 1102, and charging line 1102 is provided with slag stock pump 1103, and this charging line 1102 leads to distribution device 12.
The principle of work of this floatation system is: the staple of flyash is carbon granule and ash content.After adding flotation agent and/or collecting agent and/or other auxiliary agent, the particle in the flyash contacts, collides with bubble, and the carbon granule that flotability is good optionally adheres to bubble, and is carried rising, realizes flotation.The ash content of flotability difference is then to sinking.
Shown in Figure 2 for making the used charing system of gac raw material of present embodiment, it comprises for example roasting kiln 27 of charring furnace and combustion unit.Wherein charring furnace comprises feeding unit 21, first rotating cylinder 22, second rotating cylinder 23, collection device 24, combustion gas-flue gas loop structure 25, heating unit 26, drives the drive unit (not shown) of first rotating cylinder 22 and 23 rotations of second rotating cylinder.
Wherein, first rotating cylinder 22 is the cylinder of sealing, its axis horizontal, and its inwall is provided with a plurality of plate (not shown) of raising; The end face of first rotating cylinder, 22 stems is provided with first opening 2503; The side of first rotating cylinder, 22 afterbodys is provided with a plurality of second openings 2504, its all be positioned at the equidistant same vertical section of the tail end of first rotating cylinder 22 on.
Feeding unit 21 is the feed pipe 2101 that is communicated with first opening 2503; The bottom sealing of feed pipe 2101, the top is provided with opening for feed 2102; Be provided with the baffle plate 2103 that is obliquely installed, point to first opening 2503 in the feed pipe 2101; The below of the sidewall of feed pipe 2101, first opening 2503 is provided with the 5th opening 2502, the five openings 2502 and connects first gas pipeline 2501 that leads to combustion unit.
Second rotating cylinder 23 is round table-like for sealing, the dead in line of its axis and first rotating cylinder 22, and the side of second rotating cylinder 23 and the angle of axis are 10 °; Second rotating cylinder 23 is enclosed within outside first rotating cylinder 22, and a plurality of second openings 2504 of first rotating cylinder 22 are enclosed within second rotating cylinder 23; Second rotating cylinder, 23 thinner stems are close to the afterbody of first rotating cylinder 22, the stem that second rotating cylinder, 23 thicker afterbodys are close to first rotating cylinder 22; The inwall of second rotating cylinder 23 is provided with a plurality of plate (not shown) of raising.The side of second rotating cylinder, 23 afterbodys is provided with a plurality of the 3rd openings 2505, its all be positioned at the equidistant same vertical section of the tail end of second rotating cylinder 23 on.
Combustion gas-flue gas loop structure 25 comprises first gas pipeline 2501, the 5th opening 2502, first opening 2503, second opening 2504, the 3rd opening 2505, the 4th opening 2506, second gas pipeline 2507.
Roasting kiln 27 comprises gitter brick 2701, the inlet mouth 2702 that is positioned at roasting kiln 27 belows that is positioned at roasting kiln, the air outlet 2703 that is positioned at roasting kiln 27 tops.The inlet mouth 2702 of roasting kiln 27 is connected with the other end of second gas pipeline 2507, is provided with gas pump 28 in the middle of second gas pipeline 2507.The other end of first gas pipeline 2501 is connected to the air outlet 2703 of roasting kiln.
The workflow of this charing system is following:
1, powdered carbon raw material.Carbon granule through flotation gets into feed pipe 2101 as the powdered carbon raw material from opening for feed 2102; After being stopped by baffle plate 2103; Get into first rotating cylinder 22 from first opening 2503, under the driving of drive unit, first rotating cylinder 22 and 23 rotations of second rotating cylinder; The plate of raising that drive is positioned on first rotating cylinder 22 and second rotating cylinder, 23 inwalls rotates, and the direction of powdered carbon raw material to second opening 2504 pushed.In the process that the powdered carbon raw material moves ahead, contact with heating unit that is positioned at first rotating cylinder 22 26 or high-temperature flue gas, and be heated.The powdered carbon raw material falls into second rotating cylinder 23 from second opening 2504, and the plate of raising that is rotated pushes to the direction of the 3rd opening 2505.In whole moving process, the powdered carbon raw material is heated, dry, pyrolysis, finally by charing.Powdered carbon raw material after the charing is fallen in the collection device 24 that is enclosed within outside second rotating cylinder 23 from the 3rd opening 2505, and leaves charring furnace through discharge pipe 2401.
2, combustion gas-flue gas.Combustion gas-flue gas is that following current contacts with the powdered carbon raw material in the present embodiment.Under the heat effect of heating unit 26; Powdered carbon raw material in first rotating cylinder 22 produces inflammable gas under heat effect; This inflammable gas gets into second rotating cylinder 23 along the flow direction of powdered carbon raw material through second opening 2504; And getting into roasting kilns 27 through the 3rd opening 2505, the 4th opening 2506, second gas pipeline 2507, the burning back produces the pyritous flue gas in roasting kiln 27.High-temperature flue gas gets into first rotating cylinder 22 through first gas pipeline 2501, the 5th opening 2502, first opening 2503.Powdered carbon raw material in first rotating cylinder 22 produces inflammable gas under the heat effect of high-temperature flue gas, this inflammable gas repeats above-mentioned flow process.
Embodiment 2
Embodiments of the invention 2 are similar with embodiment 1, and its difference is:
(1) used ight soil is the mixing of cow dung and horsehit;
(2) carry out granulation through flat-die or ring modeling pelletizer.
Though the present invention discloses as above with preferred embodiment, be not in order to limit the scope that the present invention implements.Any those of ordinary skill in the art, promptly every when doing a little improvement in not breaking away from invention scope of the present invention according to the equal improvement that the present invention did, should be invention scope of the present invention and contain.
Claims (10)
1. technology for preparing gac fowl and animal excrement fuel, it comprises the steps:
(1) with stirring after the raw materials mix; With dry weight basis, said raw material comprises the fowl and animal excrement of 60%-80%, the biomass break flour of 10%-30%, the gac of 1%-30%;
(2) with the raw material dehydration after step (1) stirring;
(3) utilize step (2) dehydrated raw material granulation.
2. technology as claimed in claim 1, wherein, said step (2) comprises the steps:
A, the raw material dehydration after step (1) stirred;
B, in step (A) dehydrated raw material, add sticker, and stir.
3. technology as claimed in claim 1, wherein, the granulation process of said step (3) is: utilize step (2) dehydrated raw material making sheet, the making sheet of oven dry institute, slashings and screening to obtain particle.
4. technology as claimed in claim 1, wherein, the granulation process of said step (3) is: with the oven dry of step (2) dehydrated raw material, and utilize the raw material after the oven dry to carry out granulation through tablets press.
5. technology as claimed in claim 1, wherein, the gac that is used as raw material is made by the floatation process of flyash through flyash.
6. technology as claimed in claim 5, wherein, the floatation process of described flyash comprises:
1. in fly ash grain, add flotation agent, form mixture;
2. in floatation equipment, make step 1. in the mixture of gained fall from top;
3. in floatation equipment, form the gas upwards blow, the mixture formation counter current contact that this gas and step fall in 2., and also this gas is turbulent state in the process that moves upward;
4. collect step 3. in the PM for particulate matter of the flotation plate through floatation equipment upwards.
7. like claim 5 or 6 described technologies, wherein, by flyash through the floatation process of flyash and the powdered carbon that obtains has passed through further activation treatment.
8. like claim 5 or 6 described technologies, wherein, described powdered carbon is to handle through the charring process that comprises the steps:
A utilizes heating unit, and the powdered carbon raw material in the rotating cylinder of charring furnace is heated, and this powdered carbon raw material produces combustible combustion gas under heat effect;
B closes heating unit;
C feeds the combustion gas that steps A produced in the combustion unit and burns, and produces high-temperature flue gas;
D feeds rotating cylinder with the high-temperature flue gas that is produced, and the powdered carbon raw material is heated, and produces combustible combustion gas;
The combustion gas that E is produced step D feeds in the said combustion unit burns, and produces high-temperature flue gas;
F repeated execution of steps D and step e.
9. technology as claimed in claim 8, wherein said high-temperature flue gas and described powdered carbon raw material counter current contact, promptly the translational motion direction of the flow direction of said high-temperature flue gas and said powdered carbon raw material is opposite.
10. technology as claimed in claim 1, wherein, said biomass break flour is bamboo bits and/or wood chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104295338A CN102533380A (en) | 2011-12-20 | 2011-12-20 | Process for preparing activated carbon livestock excrement fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104295338A CN102533380A (en) | 2011-12-20 | 2011-12-20 | Process for preparing activated carbon livestock excrement fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102533380A true CN102533380A (en) | 2012-07-04 |
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| CN2011104295338A Pending CN102533380A (en) | 2011-12-20 | 2011-12-20 | Process for preparing activated carbon livestock excrement fuel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746914A (en) * | 2012-07-25 | 2012-10-24 | 黑龙江省辰光能源科技有限公司 | Biomass carbon powder, coal slime and cow dung briquette |
| CN104498066A (en) * | 2015-01-05 | 2015-04-08 | 贵阳市农村能源环保办公室 | Method for preparing charcoal from sheep manure and wood dust |
| CN106609141A (en) * | 2015-10-22 | 2017-05-03 | 李鸣 | Carbonization and gasification apparatus and process for extracting carbon residues, tar, acetic acid liquid and biomass gas from livestock and poultry manure and industrial waste residues of biomass |
| CN107614662A (en) * | 2015-12-30 | 2018-01-19 | 高等技术研究院研究组合 | It make use of the manufacture device of the partial carbonization thing of mixing biomass |
| CN107987910A (en) * | 2017-11-29 | 2018-05-04 | 颍上县骏驰新能源有限公司 | A kind of method that biomass granule fuel is made using rural area feces of livestock and poultry |
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| CN101747975A (en) * | 2010-01-13 | 2010-06-23 | 吉林省崟田环保科技有限公司 | Biomass fuel and processing method thereof |
| CN101880564A (en) * | 2010-06-28 | 2010-11-10 | 聂晓明 | Sludge biomass synthetic fuel and preparation method thereof |
| CN102240608A (en) * | 2011-06-10 | 2011-11-16 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Coal ash flotation separation equipment provided with reflection cone gas dispersing device |
| CN102250627A (en) * | 2011-06-13 | 2011-11-23 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Carbonization system using zero-discharge dual-drum rotating carbonization furnace for activated carbon preparation |
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| CN101747975A (en) * | 2010-01-13 | 2010-06-23 | 吉林省崟田环保科技有限公司 | Biomass fuel and processing method thereof |
| CN101880564A (en) * | 2010-06-28 | 2010-11-10 | 聂晓明 | Sludge biomass synthetic fuel and preparation method thereof |
| CN102240608A (en) * | 2011-06-10 | 2011-11-16 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Coal ash flotation separation equipment provided with reflection cone gas dispersing device |
| CN102250627A (en) * | 2011-06-13 | 2011-11-23 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Carbonization system using zero-discharge dual-drum rotating carbonization furnace for activated carbon preparation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746914A (en) * | 2012-07-25 | 2012-10-24 | 黑龙江省辰光能源科技有限公司 | Biomass carbon powder, coal slime and cow dung briquette |
| CN104498066A (en) * | 2015-01-05 | 2015-04-08 | 贵阳市农村能源环保办公室 | Method for preparing charcoal from sheep manure and wood dust |
| CN106609141A (en) * | 2015-10-22 | 2017-05-03 | 李鸣 | Carbonization and gasification apparatus and process for extracting carbon residues, tar, acetic acid liquid and biomass gas from livestock and poultry manure and industrial waste residues of biomass |
| CN106609141B (en) * | 2015-10-22 | 2021-04-20 | 李鸣 | Charcoal gasification device and process for refining charcoal oil gas from livestock and poultry manure biomass industrial waste residues |
| CN107614662A (en) * | 2015-12-30 | 2018-01-19 | 高等技术研究院研究组合 | It make use of the manufacture device of the partial carbonization thing of mixing biomass |
| CN107987910A (en) * | 2017-11-29 | 2018-05-04 | 颍上县骏驰新能源有限公司 | A kind of method that biomass granule fuel is made using rural area feces of livestock and poultry |
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Application publication date: 20120704 |