511results about How to "Odorless" patented technology

The invention relates to an organic fertilizer mainly comprises sugar factory discard solution and waste slag as well as decomposed leaven and process for preparation, which comprises fermentation material and decomposed leaven, wherein the composition and weight ratio of the fermentation material are, molasses alcohol discard solution or / and ash flushing water 10-82%, cane trash or / and filtering mud 18-90%, and the rest is one or combination of combination stalks, turfy soil, animal excrement, inorganic fertilizer and soil, whose weight percent is 0-15%. The decomposed leaven comprises cellulose decomposition bacteria, himicellulose disassembling bacterium, protein disassembling bacterium.

The invention relates to high-solid hydroxyl fluorine-containing acrylic resin and a preparation method thereof. The high-solid hydroxyl fluorine-containing acrylic resin comprises the following components in parts by weight: 10-25 parts of fluorine-containing acrylic ester monomer, 10-30 parts of hydroxyl group-containing acrylic ester monomer, 5-20 parts of methyl acrylic alkyl ester monomer, 5-15 parts of acrylic alkyl ester monomer, 0.3-6 parts of initiator, 0.2-4 parts of chain transfer and 30-50 parts of solvent. According to the hydroxyl fluorine-containing acrylic resin, the solid content reaches up to 75-90 percent, the viscosity is only 900-3,000 mPa.s, the number-average molecular weight is 1,200-6,000, and the molecular weight distribution index is 1.4-2.5; and the resin has the advantages of superior performance, high transparency, no odor of mercaptan, low VOC (Volatile Organic Compound) content, a fluorine carbon group included on a polymer chain and superior corrosion resistance of the resin and can be applied to the fields such as heavy anticorrosive coatings, marine antifouling coatings, aircraft surface coatings, anti-doodling coatings, exterior wall coatings of high weathering resistance and the like.

The present invention relates to an active peptide feed addictive, as a mixture of one or more plant protein and animal protein, which is the product of the following steps: fermenting and degrading the mixture through bacillus and the like, controlling the degree of hydrolysis at 20-35%, obtaining a fermentation supernatant after a separation post-processing process, concentrating drying the supernatant or directly adsorbing the supernatant onto the carrier, and then low temperature drying it. Said active peptide feed addictive is capable of obviously depressing development of bacillus coli and salmonella, and can prevention and cure diarrhea caused by bacilli or lienteric diarrhea; can exert its functions at a very low concentration, with a very intense effect; can regulate stomach and intestine bacterium group and promote animals digestion functions; can excite animal immune function, reinforce animal disease resistance against a plurality of epidemic diseases and greatly reduce the morbidity and death rate; can promote animal development and improve the growth velocity; can improve the feed use ratio and reduce production costs. Applications of the microorganism fermentation degradation method provided by the present invention have a low fabricating cost, and the obtained peptides have many kinds and high content, without environment pollutions.

The invention discloses a composite phase-change energy storage material for microcapsules and a preparation method thereof. The coating of the microcapsule is made of silicon dioxide, and the core of the microcapsule is made of a phase-change energy storage material, wherein the phase-change energy storage material is a paraffin organic solid-liquid phase-change energy storage material. 0.2 to 0.5 wt.% of dispersed emulsifier, 52.5 to 62.5 wt.% of solvent water, 18.75 to 31.5 wt.% of phase-change energy storage material and 15.5 to 18.75 wt.% of inorganic silica source are matched and put into a reactor for stirring for 5 to 8 hours; the mixture is uniformly dispersed and emulsified at the temperature 3 to 8 DEG C higher than that for solid-liquid phase change; hydrochloric acid aqueous solution catalyst with the pH value of 0.93 to 4.07 or sodium hydroxide aqueous solution catalyst with the pH value of 8.0 to 12.0 is added into the emulsion; the reacting solution is naturally cooled to room temperature and precipitation solution is obtained; the precipitate is washed with the combination of water and petroleum ether, wherein the mass percent of the petroleum ether is 30 wt.%; then the precipitate is washed with deionized water and is filtered, and the product is naturally aired. The invention improves the technology of phase-change energy storage and conservation, and has the function of automatic temperature regulation, favorable physical and chemical stability, crack resistance, flame retardancy, wear resistance and high thermal conductivity.

The invention belongs to the technical field of sewage treatment, and relates to a rural domestic sewage biological treatment system, particularly a rural domestic sewage biological treatment system which has the advantages of low capital construction and operating cost, small occupied room, convenient operation and management, high sewage treatment efficiency and discharge after reaching the standard. The rural domestic sewage biological treatment system provided by the invention is connected with a rural domestic sewage discharge pipeline. The rural domestic sewage biological treatment system is characterized by comprising an ecological open septic tank, a microaeration oxidation pond, a suspended substance biological filter, an artificial wetland and a scenic pond, wherein the ecological open septic tank, microaeration oxidation pond, suspended substance biological filter, artificial wetland and scenic pond are arranged from high to low and communicated through a pipeline or ditch; the sewage flows under the gravity; and the water inlet of the ecological open septic tank is connected with the rural domestic sewage discharge pipeline. The rural domestic sewage biological treatment system provided by the invention solves the problem of large occupied area, high investment and maintenance cost and the like in other rural sewage treatment methods.

The invention discloses microbial ecological organic fertilizer and a preparation method thereof. The organic chemical fertilizer comprises the following components: edible mushroom dregs, sugarcane dregs, peat soil, oil squeezed waste, filter sludge, livestock and poultry manure and a microbial agent, wherein the microbial agent comprises bacillus subtilis, saccharomycetes, aspergillus niger, guanyloribonuclease, trichoderma, lactobacillus, photosynthetic bacteria, actinomycetes and streptomyces microflavus. The prepared organic fertilizer has advantages of wide raw material source, low cost, high absorption utilization rate, comprehensive nutrients, low dosage, no odor, fast fertilizer effect, various bacteria types, high content, capability of preventing injurious pests, simple preparation method and the like.

The invention relates to a method of cleaning a boiler, in particular to a method of chemically cleaning a boiler, which comprises the following steps: caustic cleaning, acid cleaning, rinsing, passivating and liquid waste processing. The invention has the advantages that: 1. raw material adopted in the whole cleaning process has little toxic side effect and is environment-friendly. 2. Technological mistaken ideas on cleaning various prior boilers are overcome. 3. Sequential processing is easy according to cleaning solutions.

The invention provides a sludge composting method, and relates to a sludge treatment method which comprises the steps of preferable accessory selection, CK21 fungus spraying inoculation, heavy metal passivation and powder granulation, and then three-dimensional composite biological organic fertilizer with organic, inorganic and microbial active constituents is obtained. Mushroom compost and pig manure are used as accessories which are easily obtained and degraded, the stacker fermentation time is short, only one time of fermentation is needed, the C / N ratio can be effectively adjusted, and the water content of the sludge is reduced; and the efficient beneficial bio-fungus community CK21 is adopted. The microbial concentration is high, the secretion ability of the enzyme is strong, organic matters can be quickly decomposed so as to prevent the corruption of the organic matters, no odor exists, sludge is used for CK21 inoculation, fermentation starts fast, and the effect is good; and the product is inoculated with the CK21 fungus secondarily so as to further balance and activate nutrients, and the microbial natural reproduction is utilized to realize the is called flower dipping absorbing of the plants to nutrients. The invention has the advantages of optimizing the composting conditions, shortening the composting time, reducing energy consumption of turning, and reducing the damage of the heavy metal on the ecological environment.

The present invention discloses one kind of anticorrosive hydrophilic paint, which consists of prime paint A and surface paint B. The prime paint A consists of modified epoxy resin, modified acrylic resin, amino resin, butyl glycol ether, distilled water, etc; and the surface paint B consists of functional monomer in the structure of CH2=CR1-R2-CH2-CHR3-CH2SO3M, methacrylic acid, hydroxyl acrylate, initiator, distilled water, etc. The anticorrosive hydrophilic paint has high corrosion resistance, high hydrophilicity, high water tolerance, high solvent tolerance and other advantages. It may be painted to the surface of aluminum and aluminum alloy product, especially heat exchanger of air conditioner.

The invention discloses a new method for deeply dewatering sludge through bio-leaching process rapid conditioning. The method comprises the steps of firstly performing bio-leaching conditioning on sludge, namely, directly pumping concentrated liquid sludge of a sewage treatment plant into a bio-leaching reactor which contains special composite microbial community, performing treatment for 1.5-2 days, changing bound water in the sludge into free water which can be removed relatively easily by virtue of the microbial substitution effect, biological oxidation effect and biological acidification effect, dissolving out heavy metals from the sludge at the same time, entering an aqueous phase, killing pathogens in the sludge, then collecting the sludge subjected to bio-leaching in a homogeneous pool, directly transporting to a common-pressure diaphragm chamber type filter press by virtue of a pump, and dewatering, wherein the moisture content of dewatered sludge cake is less than 60%, and no flocculant like PAM (polyacrylamide) is added during the preparation process. The method disclosed by the invention is performed under normal temperature and pressure, and has low cost; the dewatered sludge cake is low in moisture content, odorless, and yellowish-brown in color; and the organic matters, calorific values and nutrients of the dewatered sludge can not be reduced, thus facilitating the subsequent resource utilization.

The invention relates to a method for synthesizing cosmetic-grade 1,3-butanediol. The method includes the steps that acetaldehyde and water are mixed evenly and then injected into a reaction kettle, and dilute acetic acid is dripped under the alkaline condition so that the reaction system can be neutralized to be neutral; flashing is carried out, acetaldehyde obtained in distillation is recycled, and distillation residual liquid is 3-hydroxybutanal; obtained 3-hydroxybutanal and a catalyst are mixed evenly, hydrogen pressure is kept, centrifugal separation is carried out on the obtained product to obtain the catalyst for recycling, flashing is carried out on the liquor at 120 DEG C to obtain water and the byproducts ethyl alcohol and crotonaldehyde, and reduced pressure distillation is carried out to obtain coarse 1,3-butanediol; purification is carried out. The process of synthesizing 1,3-butanediol through condensation and hydrogenation reduction of an acetaldehyde liquid phase is improved through the steps, and thus the product 1,3-butanediol meets the quality requirement of the cosmetic industry.

The invention relates to a self-propelled turning device for sludge compost and a treatment method and belongs to environmentally-friendly solid waste treatment. The method comprises that: a mixing step, an aerobic compost period, a thoroughly decomposing step, a processing and compost production step and an odor treatment step, wherein the mixing step aims to adjust the moisture and the carbon nitrogen rate of dewatered sludge, improve the loosening degree, increase a contact area with air and contributes to aerobic fermentation; in the aerobic compost period, the oxygen is supplied through forced ventilation, and organic matters in materials begin to ferment under the action of aerobes; the thoroughly composting step comprises that: the sludge subjected to compost fermentation is not thoroughly decomposed, and is required to continuously undergo a thoroughly decomposing and ageing stage, namely secondary fermentation; the processing and compost production step comprises that: the sludge compost is processed according to fertilizer use and market demand to serve as a product for sales so as to improve overall economic efficiency; and the odor treatment step comprises that: odor is generated in the process of aerobic compost and can be discharged after deodorization treatment. In recent years, solid wastes have become important environmental problems limiting urban development. The composting treatment is a way to utilize solid waste resources and is gradually taken into account at home and abroad.

The invention discloses pig-chicken excrement fermenting compound bacteria, a preparation method and a method of utilizing the compound bacteria to ferment and prepare an organic fertilizer. The fermenting compound bacteria comprise the following raw material bacteria: bacillus subtilis, bacillus licheniformis, bacillus coagulans, bacillus megatherium and trichoderma viride. The method for preparing the organic fertilizer comprises the following steps: mixing pig-chicken excrement with crushed straws, adding the fermenting compound bacteria to the mixture according to a dosage of 1-2 Kg per ton, mixing uniformly, the moisture being 50-65 wt%, stacking the mixed raw materials, keeping the temperature at 55-65 DEG C to conduct fermentation, two days after the fermentation, turning the stacked materials for the first time, and then turning the materials once every one or two days, keeping the moisture at 50-65 wt% during the fermentation phase, and after fermentation, obtaining the organic fertilizer with a moisture content of 20-30 wt%. The pig-chicken excrement fermenting compound bacteria disclosed by the invention can be used for fermenting the pig and chicken excrement; compared to the prior art, the method for preparing the organic fertilizer is low in productive investment and production cost, convenient to use, free of odor, and good in the fermentation and decomposing effect.

The invention relates to a clean-free lead-free solder scaling powder. The constitution of the scaling powder has the mixture ratio of: 1 to 4 percent of organic acid active agent, 0.5 to 3 percent of anion surface active agent, 5 to 10 percent of heat resistant resin, 2 to 5 percent of high-boiling solvent, and rest of refined modified rosin. The scaling powder and Sn-Cu as well as Sn-Ag-Cu series lead-free solder have good matching effect; the welding performance of the lead-free tin wire can be improved; in the welding process, welding between the scaling powder and a solder ball has little splash, no odor, no corrosion, and little postweld solder residue; the residue of the postweld scaling powder has no generation of crack; electrical insulating property is high, the ion pollution is low, the reliability after packaging the electronic product is ensured, and the scaling powder can avoid to be cleaned after welding.

The invention relates to a sludge reduction and desiccation combination method. Sludge with a moisture content of 99% in a secondary sedimentation tank is inputted into a sludge hydrolysis digestion reactor internally provided with a filler layer, in the reaction conditions of full stirring, sludge floc cell wall is broken for sludge liquefaction to realize sludge and water separation, an acidizing fluid discharging from the top of the filler layer flows back to flooding water of a sewage plant for carbon source recycling, the sludge reduction rate can reach 20-60%; after first dehydration, the reduced sludge is modified for cell wall disruption, and then is dehydrated by secondary pressing, and finally the moisture content of the sludge is reduced to 20%-30% by continuous desiccation reaction. According to the method, the sludge output can be reduced from the source, the sludge desiccation treatment cost can be saved, the sludge after desiccation treatment is not easy to rot and is good in stabilizing effect, and the method can be widely used in the treatment and disposal of residual sludge in the sewage plant, and finally realizes the reduction and resource utilization of the residual sludge.

The invention discloses a new-typed underwater acoustic rubber product and making method, which comprises the following parts: 100g synthetic rubber, 1-10g zinc oxide, 1-5g stearic acid, 0.5-2g antiager 264, 30-45g high abrasion-proof carbon black N330, 0-90g light-weighted calcium carbonate, 0-50g talcum powder, 1-30g aromatic oil, 0-20g naphthenic oil, 1-10g paraffin, 15-40g HY-2056 resin, 0-3g Na22, 0-5g DM, 50-100g mica powder, 8-15g 100-order vermiculite powder and 8-15% 20-order vermiculite. The making method comprises the following steps: adding raw material to blend and melt; cooling; adding vulcanizer and accelerant to blend evenly; setting the roll distance at 8mm under not less than 65 deg.c; adding 20-order vermiculite; sulfurizing; moulding; fitting for making kinds of shape and standard underwater acoustic rubber product.

The invention discloses an acrylic acid composition coating, which consists of acrylic emulsion, a catalyst, a curing agent, an adhesion promoter, a wetting agent, a pH value regulator, an antifoaming agent, a diluent, an aid and deionized water. The acrylic acid composition coating is prepared by the following steps of: adding other solvents into the mixture of the deionized water and the acrylic emulsion in turn; fully stirring and regulating the pH value; and the like. The acrylic acid composition coating is applied to coating an aluminum foil of an aluminum fin of a heat exchanger of an air-conditioner and coating automobiles and other metal surfaces, has the advantages of excellent water-solubility resistance, punching oil resistance and solvent resistance, excellent forming property, heat resistance, and anti-bend performance, no odor and low cost, and does not turn white or fall off under long-term strongly acidic environment.

The invention discloses a formaldehyde-removing and deodorizing ferment smell-cleaning agent, which is prepared from culture solutions of the following microorganisms: Issatchenkia orientalis, Lactobacillus paracasei, Pediococcus pentosaceus and Saccaromyces cerevisiae. The smell-cleaning agent has inherent luster and fragrance, does not have peculiar smell and odor, is negative in terms of coliform, does not contain any toxic ingredients, can directly adsorb, wrap, decompose and clean off various toxic substances existing in daily home life from the source of peculiar smell, and has a strong deodorization effect, and in particular, the formaldehyde degradation and removal rate can reach 99 percent or more than 99 percent.

The invention discloses vermicompost organic compound fertilizer capable of being used for ryegrass, and a preparation method thereof, and belongs to a manner of cycle use of agricultural wastes. The organic compound fertilizer comprises, by weight, 6-9 parts of the vermicompost and 1-2 parts of inorganic fertilizer, wherein the inorganic fertilizer comprises, by weight, 3.5-7 parts of urea, 4.5-9 parts of phosphorus superphosphate and 2-4 parts of potassium chloride. The vermicompost organic compound fertilizer directly provides a reasonable use path of the vermicompost organic compound fertilizer, and indirectly solves the harmful problems of livestock and poultry breeding organic wastes such as pig manure and goat manure to the environment. The compound fertilizer is reasonable in organic and inorganic proportions, has long-term fertilizer capacity of organic fertilizer and short-term fertilizer capacity of inorganic fertilizer at the same time. By applying enough base fertilizer once during a planting process of the ryegrass and applying the compound fertilizer once in a harvest middle stage, nutritional requirements of the ryegrass during the whole production period can be met. Fertilizer cost is reduced; a topdressing stage during the planting process of the ryegrass is omitted, so that production and management cost for the ryegrass can be saved.

The invention discloses a novel efficient environment-friendly flocculant for the treatment of black-odor river. The flocculant comprises the following components in percentage by weight: 20-60% of PAC (Polyaluminium Chloride), 5-10% of unslaked lime, 5-10% of sodium carbonate, 10-30% of diatomaceous earth, 1-3% of chitosan, 2-5% of carboxymethyl starch (CMS), 1-3% of neutral protease and 10-25% of cement. the components of the flocculant disclosed by the invention are abundant, inexpensive, economical and environment-friendly; all the components are used together, the addition of the flocculant is small, the flocculant hardly affects the pH of the water and the original performances of the sludge in water are not changed; partially active heavy metals are cured, which is beneficial to increase of the activity of the sludge so that the self cleaning capacity of water bodies is greatly improved. The multiple functions such as adsorption, aggregation, chelation, curing and catalytic degradation are integrated into a whole to achieve a good treatment effect. The flocculated and settled water body is clear, transparent and odorless.

The invention relates to the technical field of waste treatment and recycling, in particular to an environment-friendly kitchen waste treatment device. The environment-friendly kitchen waste treatmentdevice comprises an outer shell, wherein a feeding hopper is arranged at the top end of the outer shell, a crushing chamber is arranged on the lower side of the feeding hopper, a solid-liquid separation chamber is arranged on the lower side of the crushing chamber, a guide plate is arranged between the solid-liquid separation chamber and the crushing chamber, the lower side of the left end of thesolid-liquid separation chamber is provided with a liquid treatment box, the solid-liquid separation chamber is connected with the liquid treatment box through a water guide pipe, and a solid treatment box is arranged on the right side of the liquid treatment box. According to the device, sewage can be disinfected by arranging the liquid treatment box, the oil-water separation and water quality purification can also be achieved, so that the discharged domestic wastewater is cleaned; and a dryer is arranged, the kitchen waste can be treated into dried particles to be used as an organic fertilizer, an air pump, a first vent groove and a second vent groove are arranged, the waste accumulated on a baffle plate can be blown, so that the drying efficiency of the waste is improved.

The invention relates to a whole Luchuan pig feed capable of improving Luchuan pig feeding rewards. The whole Luchuan pig feed aims at overcoming the defects of short and small bodies, low growth speed and low feeding rewards of Luchuan pigs and can promote the growth and development and improve the immunity and digestion and absorption functions as well as infection resistance by improving nutritional components of the feed. The feed comprises the following raw materials: bean dregs, corn flour, potato powder, wheat middling, wheat flour, sorghum flour, rice flour, wheat bran, paddy meal, rice bran, calcium hydrophosphate, table salt, lysine and a premix, wherein the premix comprises living lactic acid bacteria, yeast autolysate, chelate metal trace elements, active calcium and phosphorus, fermentation type traditional Chinese medicine, complex vitamins, an immunopotentiator, mannan oligosaccharide and xylooligosaccharide. The cost unit price of the feed is about half of that of a traditional complete feed on the market, so that the breeding cost of pigs is lowered; the pigs can be slaughtered 15 days in advance, pig houses are free of odor, the pigs are healthy, and are low in morbidity, high in survival rate and good in meat quality and flavor, and the medical expense is reduced.

This invention discloses a two-stage method for producing fertilizer and sludge gas from semi-solid organic waste. The method comprises: (1) decomposing semi-solid organic waste in a slightly aerobic condition by microorganisms to generate heat and obtain small molecule substances such as volatile fatty acids; (2) digesting the small molecule substances in an anaerobic condition to generate sludge gas. The final product after treatment is nutritious, and does not have special odor or disease germs, thus is a high quality organic fertilizer. The method has such advantages as no waste discharge and no pollution, and is energy saving.

The present invention provides a treatment technics and application to wastewater with high ammonian and low C / N ratio. The technics adopts a compound technics of ''pretreatment plus immobilized microorganism-biological aerated filter''. Firstly, the wastewater enters the S section of the compound technics and most of the suspended substances and part of the COD are removed to prevent the suspended substances in the wastewater from plugging the filter materials in IBAF and guarantee the stable operation of the subsequent IBAF technics. The yielding water of the S section enters the IBAF biological treatment technics to remove most ammonian and COD in the wastewater and the yielding water can be discharged out directly or recycled after a proper depth treatment. Compared with the prior art, the present invention has the advantages of simple S-IBAF technics, good denitriding effect, small area occupancy, low operation cost, low mud output and convenient operation and management. The present invention has the applications that the present invention not only has specific effects on compounding the industrial wastewater of ammonia and nitrogenous fertilizer, the industrial wastewater of the coal combined methanol, the wastewater of leather, the corn deep processing of the food industry, the wastewater treatment and alteration in the monosodium glutamate industry, but is also suitable for other treatment technics and application to wastewater with high ammonian and low C / N ratio.

The premixed feed consists of premixed mannosan preparation 0.5-2.5 wt%, premixed microbial preparation 0.5-3 wt%, bioactive peptide 1-3 wt%, fermented animal protein 30-50 wt% and organic carrier the rest. The present invention can promote growth and life activity of farm animal, replace antibiotic in raising the disease resistance of farm animal, control the growth of mildew, saccharomycetes and other hetero bacteria in feed and raise the quality of farm animal products.

The invention provides a biomacromolecule skin care product with flexible nanoliposome as a carrier and a preparation method of the biomacromolecule skin care product. The biomacromolecule skin care product is prepared from the following components in percentage by mass: 0.05-10% of bioactive macromolecules, 0.5-20% of phospholipid, 20-80% of deionized water, 3-40% of ethyl alcohol, 0.1-10% of anemulsifier, 0.1-5% of octadecylamine, 0.05-3% of sodium cholate, 0.5-20% of an antioxidant, 2-20% of a humectant, 1-20% of a plant extract, 0.2-2% of a preservative, and 0.1-15% of a thickening agent,wherein the sum of the mass fraction of the components is 100%. The stability of active components is ensured through the flexible nanoliposome, the encapsulation efficiency of the water-soluble effective components is improved, through the flexible nanoliposome different from previous rigid liposome, the situation that the liposome carries the effective components to realize percutaneous permeability is better achieved, the problems of moisturizing, aging preventing and the like are comprehensively solved, and long-term stable preservation and permeability of the effective components are improved.

The invention aims at providing an energy-saving and environmentally-friendly efficient process for recycling of kitchen waste and garden waste by using low-grade energy. The process comprises the following steps: firstly preprocessing the waste; uniformly classifying the collected kitchen waste and smashing the kitchen waste; smashing the collected large-size garden waste by a large pulverizer, and putting the large-size garden waste and the other small-size garden waste into a small pulverizer to further smash; proportionally putting the preprocessed kitchen waste and the garden waste into a high-temperature aerobic fermentation reactor, wherein the feeding method is a sequencing batch feeding method, and the moisture content of the reacted product is less than or equal to 30%; sieving the processed initial product to filter out the non-treatable large-particle-size impurities, after mixing, processing the product into a planting soil raw material, a soil conditioner or an organic fertilizer according to different uses.

The invention relates to a sludge band type drier and a drying processing method, belonging to the field of solid wastes. The drier comprises a sludge noodle preparing device, a box body, an air blower, an air flue, an air blower for exhausting the air, an air mixing cavity, an air heating device, a sludge water-cooling spiral conveyer arranged in the box body, and an air draft device, wherein the sludge noodle preparing device is arranged in the position of a sludge feeding port on the top of the box body; a feeding port and a discharge port are respectively arranged on the upper part and the lower part of the box body; a drying band and a driving device thereof form a vertical module device, and at most two layers of drying bands are arranged; one air draft device, one air heating device and one air blower form a horizontal module device; and the box body is provided with a plurality of air outlets and air inlets so that the sludge is blown by the lateral dry hot air from the side to reach a drying state. The system of the invention has the advantages of safe and environment-protection operation, short route of the sludge, high drying efficiency, less heat loss, simplicity in operation, low maintenance cost, safety, energy-saving performance, environmental-friendliness and recycling.