CN102899119B - Sludge synthetic fuel and method for preparing same - Google Patents
Sludge synthetic fuel and method for preparing same Download PDFInfo
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- CN102899119B CN102899119B CN201210442340.0A CN201210442340A CN102899119B CN 102899119 B CN102899119 B CN 102899119B CN 201210442340 A CN201210442340 A CN 201210442340A CN 102899119 B CN102899119 B CN 102899119B
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- 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 relates to a method for preparing sludge synthetic fuel. The method comprises the following steps of: 1) mixing 40 to 60 weight percent of sludge and biochemical treatment auxiliary materials in a biochemical treatment mixing device, performing biochemical treatment, and performing deodorization and sterilization on the sludge; 2) mixing the sludge and solidification auxiliary materials in a solidifying and mixing device, performing solidification, and simultaneously performing adsorption on sludge waste gas in the biochemical treatment mixing device and the solidifying and mixing device; 3) adding 1 to 10 weight percent of straws, 10 to 30 weight percent of coal dust and 10 to 35 weight percent of combustion improver into a fuel synthesizing and mixing device, mixing, and performing fuel synthesis; and 4) crushing the treated mixed sludge in a crushing device, performing wind power dehydration on the crushed mixing sludge by using a crushed-mixture conveying device, drying the mixture until the water content of the mixture is 20 percent, and feeding the mixture into a fuel molding machine for fuel molding. The method is high in sludge processing capacity, the calorific value of the synthesized fuel is over 5,000kcal/kg, the gas emission of the fuel after being burnt is lower than the national regulated emission standard, and the synthesized fuel is applicable to various combustion furnaces.
Description
Technical field
The invention belongs to sludge treating system technical field, particularly a kind of preparation method of sludge synthetic fuel.
Background technology
At present, the treatment process of China's mud mainly contains the method for sludge treatment such as the mummification of mud lime stabilization, sludge heat drying, sludge incineration and coal-water fluid method.
Mud lime stabilization mummification method is to adopt the inorganic medicaments such as lime to nurse one's health mud, can reduce water ratio, improve mud cross shear and sanitary condition, be conducive to the follow-up disposal of mud, it is to use unslaked lime stabilized sludge that drying technique principle is stablized in mud alkalization, unslaked lime reacts with water and generates calcium hydroxide, in this process, per kilogram lime can compound 20 .32kg water, discharge the heat of 1141kJ, by temperature increase to 70 ℃, pH value rises to more than 12, thereby effectively kill pathogenic agent, and decomposing organic matter, adopt lime stabilization mummification method, moisture percentage in sewage sludge can be reduced to 70% left and right after treatment, but need after stacking 1 month, occurring in nature can make water ratio continue to be reduced to 60% left and right, just can reach the standard-required of " consumer waste filling and embedding pollution control criterion " and " urban wastewater treatment firm sludge disposal mixing landfill shale ", its Deal with Time is long, mud utilization ratio is low, and need a large amount of soils to carry out nature mummification and landfill disposal, very easily soil reclamation is polluted.
Sludge heat drying treatment process, thereby be mud to be contacted to the object that reaches drying and other treatment with thermal barrier, the stink of mud after sludge heat drying, pathogen, viscosity, the negative characteristic such as unstable significantly improves, reduce moisture percentage in sewage sludge, what application was more at present has fluidized-bed mummification, rotating disk is dry, the apparatus and process such as spraying mummification and hollow paddle type mummification, the heat energy that the consumption of sludge heat drying process need is a large amount of, the biogas heat energy producing in anaerobic sludge digestion process as utilized, rubbish and sludge incineration waste heat, power station waste heat or other waste heats are as the thermal source of sludge drying processing, also may produce security incident, must strictly take precautions against.
Sludge incineration refers to that mud, under the condition of certain temperature, the abundant aerobic of gas phase, makes the organic substance in mud be converted into CO
2, H
2o, N
2deng, the heat discharging in reaction process is for maintaining the temperature condition of reaction, sludge incineration produces a large amount of flue gases, should carry out harmless treatment, and meet the relevant regulations such as " consumer waste incineration pollution control criterion ", sludge incineration generally adopts the apparatus and process such as fluidized-bed,, as apparatus and process such as fixing (bubbling) fluidized bed incinerator, circulating fluidized bed incinerator and rotary type fluidization bed incinerators, the flying dust that the slag of sludge incineration and dust removal installation are collected should collect respectively,
Store, transport, project investment is large, and sludge treatment difficulty is high, very easily causes secondary pollution.
Coal-water fluid method is that the mud of sewage work is made to sludge water-coal-slurry, so in circular fluid bed by this kind of sludge water-coal-slurry cleanburning, become available waste heat or electric energy; The process of making sludge water-coal-slurry can first generate coal filter mud with coal dust and calcium lime powder adsorption filtration municipal effluent, adds coal dust to make sludge water-coal-slurry; Also can directly add coal to make sludge water-coal-slurry with the mud of sewage work, owing to using the virgin state difference of coal, can use beans to add sludge ball and grind into the mixing coal slurry that granularity is 50～150 μ m, and then make sludge water-coal-slurry; Also can directly add in the lump pulping tank with coal dust, mud, sewage, dispersion agent, stablizer, directly make sludge water-coal-slurry, this method project investment is larger, practicality is single, can only be used for Power Plant Fuel, and coal water consumption is large, and mud utilization is little, and there is the problems such as deodorizing is bad.
In view of the defect that the preparation method of above-mentioned sludge synthetic fuel produces, need a kind of novel method of preparing sludge synthetic fuel badly.
Summary of the invention
The object of the invention is provides a kind of and can improve the preparation method that mud utilization ratio, energy consumption are low, pollute the sludge synthetic fuel little, cost is low, safe for solving the technical problem existing in known technology.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is:
A preparation method for sludge synthetic fuel, the method realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 40%-60% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer, mud is added to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage, biochemical treatment auxiliary material is added to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) after mud biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage, the Cotton Stalk of the 1%-10% simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, coal dust and the 25%-35% oil coke of 10%-30%, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage by broken batch mixing, and product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
The preparation system of described sludge synthetic fuel, comprises the synthetic blending device of sewage sludge feed storehouse, sludge conveyer, biochemical treatment blending device, biochemical treatment batch mixing e Foerderanlage, solidification treatment blending device, solidification treatment batch mixing e Foerderanlage, batch bin, batching e Foerderanlage, fuel, the synthetic batch mixing e Foerderanlage of fuel, shredder assembly, broken batch mixing e Foerderanlage and the fuel forming machine that are communicated with successively; Wherein, biochemical treatment blending device connects biochemical treatment auxiliary material storehouse by biochemical treatment auxiliary material e Foerderanlage; Solidification treatment blending device connects solidification treatment auxiliary material storehouse by solidification treatment auxiliary material e Foerderanlage; Biochemical treatment blending device is connected with adsorption tower respectively with solidification treatment blending device; The synthetic blending device of fuel connects fuel synthesis auxiliary material storehouse by fuel synthesis auxiliary material e Foerderanlage.
Described biochemical treatment auxiliary material e Foerderanlage, solidification treatment auxiliary material e Foerderanlage and fuel synthesis auxiliary material e Foerderanlage are quantitative conveyer.
Described sludge conveyer, biochemical treatment batch mixing e Foerderanlage, solidification treatment batch mixing e Foerderanlage, batching e Foerderanlage, the synthetic batch mixing e Foerderanlage of fuel, solidification treatment auxiliary material e Foerderanlage, biochemical treatment auxiliary material e Foerderanlage and/or fuel synthesis auxiliary material e Foerderanlage can be helix transporting device.
Described helix transporting device is Shaftless screw conveyor.
Described broken batch mixing e Foerderanlage is belt conveyor.
Advantage and positively effect that the present invention has are:
1. adopt the synthetic blending device of biochemical treatment blending device and fuel, realized the innoxious and recycling treatment of mud, after biochemical treatment, adopt solidification equipment and adsorption unit, simplified equipment, provide cost savings simultaneously.
2. adopt disintegrating apparatus, the object that reached broken, air-dry, reduces moisture, makes combust molding better effects if.
3. adopt solidification equipment, reached the object of solidifying and dewatering.
4. sludge treatment ability of the present invention is high, more than synthol calorific value can reach 5000kcal/kg, after burning, gas emissions is lower than the emission standard of national regulation, and burning slag can also be made building brick, mud utilization ratio is high, do not produce waste gas, waste water, pollute little, wind-force by product drying to moisture 20% form product, energy consumption is little, without high-tension apparatus and container, device security is high, and fuel made is suitable for all kinds of roasting kilns.
Accompanying drawing explanation
Fig. 1 is the preparation system schematic diagram of sludge synthetic fuel in the present invention;
In Fig. 1,1. sludge conveyer, 2. biochemical treatment batch mixing e Foerderanlage, 3. solidification treatment batch mixing e Foerderanlage, 4. solidification treatment auxiliary material e Foerderanlage, 5. batching e Foerderanlage, 6. the synthetic batch mixing e Foerderanlage of fuel, 7. biochemical treatment auxiliary material e Foerderanlage, 8. fuel synthesis auxiliary material e Foerderanlage, 9. broken batch mixing e Foerderanlage.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
The invention provides a kind of sludge synthetic fuel:
A kind of sludge synthetic fuel, it is mainly made up of mud, Cotton Stalk, coal dust and oil coke, and the weight percent of its formula consists of: mud 40%-60%, Cotton Stalk 1%-10%, coal dust 10%-30%, oil coke 25%-35%.
As another kind of preferred embodiment, this sludge synthetic fuel also includes solidifying agent and the biochemical treatment auxiliary material for sludge deodorization, sterilizing.
The present invention also provides a kind of preparation method of sludge synthetic fuel:
Embodiment mono-:
A preparation method for sludge synthetic fuel, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 40% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer 1, mud is joined to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage 7, biochemical treatment auxiliary material is joined to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) mud is after biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage 2, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage 4, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage 3 successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage 5,10% the Cotton Stalk simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, 30% coal dust and 20% oil coke, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage 8, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage 9 by broken batch mixing, product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
Embodiment bis-:
A preparation method for sludge synthetic fuel, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 40% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer 1, mud is joined to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage 7, biochemical treatment auxiliary material is joined to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) mud is after biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage 2, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage 4, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage 3 successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage 5,1% the Cotton Stalk simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, 24% coal dust and 35% oil coke, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage 8, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage 9 by broken batch mixing, product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
Embodiment tri-:
A preparation method for sludge synthetic fuel, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 40% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer 1, mud is joined to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage 7, biochemical treatment auxiliary material is joined to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) mud is after biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage 2, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage 4, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption is delivered to batch bin by solidification treatment batch mixing e Foerderanlage 3 successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage 5,5% the Cotton Stalk simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, 25% coal dust and 30% oil coke, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage 8, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, is transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel,
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage 9 by broken batch mixing, product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
Embodiment tetra-:
A preparation method for sludge synthetic fuel, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 60% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer 1, mud is joined to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage 7, biochemical treatment auxiliary material is joined to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) mud is after biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage 2, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage 4, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage 3 successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage 5,10% the Cotton Stalk simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, 10% coal dust and 20% oil coke, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage 8, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage 9 by broken batch mixing, product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
Embodiment five:
A preparation method for sludge synthetic fuel, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 60% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer 1, mud is joined to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage 7, biochemical treatment auxiliary material is joined to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) mud is after biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage 2, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage 4, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage 3 successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage 5,1% the Cotton Stalk simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, 29% coal dust and 10% oil coke, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage 8, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, is transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel,
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage 9 by broken batch mixing, product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
Embodiment six:
A preparation method for sludge synthetic fuel, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 55% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer 1, mud is joined to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage 7, biochemical treatment auxiliary material is joined to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) mud is after biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage 2, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage 4, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage 3 successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage 5,1% the Cotton Stalk simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, 19% coal dust and 25% oil coke, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage 8, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage 9 by broken batch mixing, product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
Embodiment seven:
A preparation method for sludge synthetic fuel, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 50% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer 1, mud is joined to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage 7, biochemical treatment auxiliary material is joined to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) mud is after biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage 2, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage 4, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage 3 successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage 5,5% the Cotton Stalk simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, 20% coal dust and 25% oil coke, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage 8, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage 6 of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage 9 by broken batch mixing, product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
The preparation system of a kind of sludge synthetic fuel used in the present invention, refer to Fig. 1, it comprises: the synthetic blending device of sewage sludge feed storehouse, sludge conveyer 1, biochemical treatment blending device, biochemical treatment batch mixing e Foerderanlage 2, solidification treatment blending device, solidification treatment batch mixing e Foerderanlage 3, batch bin, batching e Foerderanlage 5, fuel, the synthetic batch mixing e Foerderanlage 6 of fuel, shredder assembly, broken batch mixing e Foerderanlage 9 and the fuel forming machine that are communicated with successively; Wherein, biochemical treatment blending device connects biochemical treatment auxiliary material storehouse by biochemical treatment auxiliary material e Foerderanlage; Solidification treatment blending device connects solidification treatment auxiliary material storehouse by solidification treatment auxiliary material e Foerderanlage 4; Biochemical treatment blending device is connected with adsorption tower respectively with solidification treatment blending device; The synthetic blending device of fuel connects fuel synthesis auxiliary material storehouse by fuel synthesis auxiliary material e Foerderanlage 8.
As another kind of preferred embodiment, above-mentioned fuel synthesis auxiliary material storehouse quantity can be more than 1, as Cotton Stalk auxiliary material storehouse, coal dust auxiliary material storehouse etc.
As another kind of preferred embodiment, above-mentioned biochemical treatment auxiliary material e Foerderanlage 7 and described fuel synthesis auxiliary material e Foerderanlage 8 all can be quantitative conveyer.
As another kind of preferred embodiment, described sludge conveyer 1, biochemical treatment batch mixing e Foerderanlage 2, solidification treatment batch mixing e Foerderanlage 3, batching e Foerderanlage 5, the synthetic batch mixing e Foerderanlage 6 of fuel, solidification treatment auxiliary material e Foerderanlage 4 biochemical treatment auxiliary material e Foerderanlages 7 and/or fuel synthesis auxiliary material e Foerderanlage 8 can be helix transporting device; This helix transporting device can be Shaftless screw conveyor.
As another kind of preferred embodiment, described broken batch mixing e Foerderanlage 9 can be belt conveyor.
In the present invention, as one preferred embodiment, the solidifying agent adding is 1%-3%, is 1%-3% for the biochemical treatment auxiliary material of sludge deodorization, sterilizing.
Major advantage of the present invention is,
1. adopt the synthetic blending device of biochemical treatment blending device and fuel, realized the innoxious and recycling treatment of mud, after biochemical treatment, adopt solidification equipment and adsorption unit, simplified equipment, provide cost savings simultaneously.
2. adopt disintegrating apparatus, the object that reached broken, air-dry, reduces moisture, makes combust molding better effects if.
3. adopt solidification equipment, reached the object of solidifying and dewatering.
4. sludge treatment ability of the present invention is high, more than synthol calorific value can reach 5000kcal/kg, and gas after burning
Quantity discharged is lower than the emission standard of national regulation, and burning slag can be used for construction material, and mud utilization ratio is high, does not produce waste gas, waste water, pollute littlely, at the dry lower product that forms of wind-force, energy consumption is little, without high-tension apparatus and container, device security is high, and fuel made is suitable for all kinds of roasting kilns.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, within these all belong to protection scope of the present invention.
Claims (6)
1. a preparation method for sludge synthetic fuel, is characterized in that, realizes by the preparation system of sludge synthetic fuel, comprises the steps:
1) mud that is 40%-60% by weight percent is poured sewage sludge feed storehouse into, by sludge conveyer, mud is added to biochemical treatment blending device; Biochemical treatment auxiliary material is added to biochemical treatment auxiliary material storehouse simultaneously, then by biochemical treatment auxiliary material e Foerderanlage, biochemical treatment auxiliary material is added to biochemical treatment blending device, this biochemical treatment blending device carries out batch mixing and biochemical treatment to mud and biochemical treatment auxiliary material, makes sludge deodorization, sterilizing;
2) after mud biochemical treatment, enter solidification treatment blending device via biochemical treatment batch mixing e Foerderanlage, solidification treatment auxiliary material is added to solidification treatment auxiliary material storehouse simultaneously, then by solidification treatment auxiliary material e Foerderanlage, solidification treatment auxiliary material is joined in solidification treatment blending device, this solidification treatment blending device carries out batch mixing and solidification treatment to mud and solidification treatment auxiliary material, makes sludge curing; Mud in the blending device of biochemical treatment simultaneously and the mud in solidification treatment blending device are through adsorption tower adsorption treatment waste gas;
3) mud after biochemical treatment, solidification treatment and adsorption tower absorption waste gas is delivered to batch bin by solidification treatment batch mixing e Foerderanlage successively, after batch bin is processed, join the synthetic blending device of fuel through batching e Foerderanlage, the Cotton Stalk of the 1%-10% simultaneously adding by weight percentage in fuel synthesis auxiliary material storehouse, coal dust and the 25%-35% oil coke of 10%-30%, join the synthetic blending device of fuel via fuel synthesis auxiliary material e Foerderanlage, carry out batch mixing and the synthetic processing of fuel by the synthetic blending device of fuel;
4) the synthetic mixing sludge fuel after treatment of fuel, be transported to shredder assembly via the synthetic batch mixing e Foerderanlage of fuel, broken batch mixing carries out wind-force dehydration through broken batch mixing e Foerderanlage by broken batch mixing, and product drying is delivered in fuel forming machine to moisture 20% again, carries out combust molding processing.
2. the preparation method of sludge synthetic fuel according to claim 1, it is characterized in that, the preparation system of described sludge synthetic fuel, comprises the synthetic blending device of sewage sludge feed storehouse, sludge conveyer, biochemical treatment blending device, biochemical treatment batch mixing e Foerderanlage, solidification treatment blending device, solidification treatment batch mixing e Foerderanlage, batch bin, batching e Foerderanlage, fuel, the synthetic batch mixing e Foerderanlage of fuel, shredder assembly, broken batch mixing e Foerderanlage and the fuel forming machine that are communicated with successively; Wherein, biochemical treatment blending device connects biochemical treatment auxiliary material storehouse by biochemical treatment auxiliary material e Foerderanlage; Solidification treatment blending device connects solidification treatment auxiliary material storehouse by solidification treatment auxiliary material e Foerderanlage; Biochemical treatment blending device is connected with adsorption tower respectively with solidification treatment blending device; The synthetic blending device of fuel connects fuel synthesis auxiliary material storehouse by fuel synthesis auxiliary material e Foerderanlage.
3. the preparation method of sludge synthetic fuel according to claim 2, is characterized in that, described biochemical treatment auxiliary material e Foerderanlage, solidification treatment auxiliary material e Foerderanlage and fuel synthesis auxiliary material e Foerderanlage are quantitative conveyer.
4. the preparation method of sludge synthetic fuel according to claim 2, it is characterized in that, described sludge conveyer, biochemical treatment batch mixing e Foerderanlage, solidification treatment batch mixing e Foerderanlage, batching e Foerderanlage, the synthetic batch mixing e Foerderanlage of fuel, solidification treatment auxiliary material e Foerderanlage, biochemical treatment auxiliary material e Foerderanlage 7 and/or fuel synthesis auxiliary material e Foerderanlage 8 can be helix transporting device.
5. the preparation method of sludge synthetic fuel according to claim 4, is characterized in that, described helix transporting device is Shaftless screw conveyor.
6. the preparation method of sludge synthetic fuel according to claim 2, is characterized in that, described broken batch mixing e Foerderanlage is belt conveyor.
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