41results about How to "Achieving Scale Processing" patented technology

The invention provides a sludge-dewatering compound conditioning agent and an application method thereof. The sludge-dewatering compound conditioning agent comprises a Fenton reagent or / and similar Fenton reagent and a skeleton construct, and the weight ratio of the Fenton reagent or / and similar Fenton reagent and the skeleton construct is 1: (0.05-300); and the skeleton construct adopts a powder body. The application method comprises the following steps: adding the Fenton reagent or / and similar Fenton reagent into sludge slurry, and mixing for oxidation; and adding the skeleton construct into the sludge slurry with the Fenton reagent or / and similar Fenton reagent, and mixing. Due to synergy of the Fenton reagent or / and similar Fenton reagent and the powder type skeleton construct, extracellular polymeric substances in sludge can be destructed effectively, the compressibility of organic substances can be reduced, and the sludge dewatering performance of the sludge-dewatering compound conditioning agent can be improved greatly. The procedures of the application method are simple, the conditions can be controlled easily, the sludge dewatering time can be shortened, and the large-scale treatment of the sludge can be realized.

A method for improving dehydration performance of sludge through oxidizing organic matters in the sludge includes the following steps that (1), mixing dilution or concentration is performed; (2), chemical feeding is performed for oxidization; (3), solid-liquid separation is performed; (4), liquid filtering is performed. The method is simple in progress, conditions are easy to control, the dehydration time for the sludge can be shortened, and the sludge can be treated on a large scale.

The invention provides a sludge deep dehydration method comprising the following steps: adding 1-10%, based on the dry weight of sludge slurry, of a free radical production into the sludge slurry, and stirring to mix; adding a transition metal salt activator, a magnesium salt activator and / or an aluminum salt activator to the sludge slurry containing the free radical production, carrying out an activation reaction to form active free radicals, and treating by the active free radicals to obtain a conditioned sludge slurry; and dehydrating the conditioned sludge slurry. Through the sludge deep dehydration method, the active free radicals are produced by reacting the transition metal salt, the magnesium salt and / or the aluminum salt and the like with the free radical production, on one hand, can effectively destroy sludge extracellular polymeric substances, alter surface properties of sludge particles, improve the filtration performance of the sludge, and reduce the sludge bound water content; on the other hand, the active free radicals can active ions produced after the completion of the reaction, can be combined with sludge particles, can improve the strength of sludge flocs, are favorable to the sludge dehydration process, so as to realize the sludge deep dehydration.

The invention relates to a biogas reaction device, which mainly comprises reaction bed monomers (1), an equalizer (2), an upright post (3), a current limiter (4), a charging pump (8), a support (20), a connector (21), a support bed (27) and a heating pool (9). The reaction bed has three layers, the reaction bed monomers (1) on each layer are combined through series connection, and the charging pump (8) is used for charging material and circulating material liquid. The core equipment of the reaction bed monomers (1) is made of a soft material, so the product is foldable, convenient to transport and suitable for factory production. The invention relates to the field of new energy and environmental protection and provides a bionic biogas reaction device which can be widely used for processing organic materials such as organic sewage, household garbage, human and animal excreta and crop straws.

The invention discloses a combined conditioning agent for sludge deep dewatering and mud cake stabilization and an application of the combined conditioning agent, and belongs to the technical field ofsludge treatment. The combined conditioning agent comprises a cell destructing reagent, a skeleton construct, and a conditioning agent for changing a floc structure of sludge; the cell destructing reagent is preferably a hypochlorite or chlorine gas, hypochlorous acid and derivatives of the hypochlorous acid produced in the conditioning process can penetrate an extracellular polymer of the sludgeand cell walls and oxidize intracellular matter, so that cells in the sludge are destructed, and harmful bacteria such as parasitic eggs and pathogens in the sludge are inactivated; coagulation and / or flocculation of the sludge by a coagulant and / or flocculant can further release extracellular and intracellular bound water of the sludge; and as an inert substance, the skeleton construct can maintain a water outlet channel of water in the sludge pressure filtration process, so that the sludge intracellular water released by the cell destruction can be quickly removed. The pretreatment method for the sludge provided by the invention can simultaneously achieve the dual purposes of deep dewatering of the sludge and inactivation of the harmful bacteria in the sludge.

The invention relates to a method for treating waste liquid produced by fish meal processing. The method mainly comprises the following steps of: separating the oil and water in pressed liquor from a solid object by using a centrifugal device; heating and concentrating the water containing a small amount of solid object; stopping concentrating when the content of the solid object of a concentrated solution reaches 45-55%; spraying the concentrated solution to a filter cake; and drying. A method for treating waste gas produced by fish meal processing mainly comprises the following steps of: condensing and cooking, drying, concentrating, condensing the waste gas of an amine-removing device through a condenser; sending condensed water to a waste water treatment apparatus for biodegradation treatment; enabling uncondensed gas to pass through a carrier on a grid; arranging an automatic water spraying system above the carrier; and introducing the uncondensed gas subjected to gas washing to a multi-stage biodegradation device. With the adoption of the method, the foul smell waste gas and waste water produced in the fish meal processing course can be effectively treated so as to reach environment-friendly discharge standard. The method is simple, can be automatically treated in large scale and recycle heat energy and save energy when used for heating a boiler and domestic water.

The invention discloses application of an LED ultraviolet lamp source in photochemical blood inactivation treatment equipment. The LED ultraviolet lamp source can be applied to a methylene blue / visible light treatment method, a psoralen / UVA treatment method and a riboflavin / UV treatment method. The invention also provides full-automatic blood inactivation treatment equipment with the LED ultraviolet light source. The full-automatic blood inactivation treatment equipment with the LED ultraviolet light source comprises an outer case, a sample rack, a blood container and an LED ultraviolet lamp plate, wherein a control panel and a sample port are arranged on the front surface of the outer case; the sample rack is provided with a plurality of sample telescopic plates, and the sample telescopicplates can stretch out or draw back to the sample port; and the blood container is bag-shaped or tubular, and the blood in the container is static or dynamic. According to the equipment provided by the invention, a full-automatic control system is adopted, ultraviolet emission intensity of the LED ultraviolet lamp can be actively adjusted, the irradiation intensity can be increased, so that the treatment time is greatly shortened, the treatment efficiency is improved, and large-scale or miniaturized treatment can be realized.

The invention relates to preparation of a methane reactor, which mainly comprises a methane reactor (1), an acidification tank (2), a carbon dioxide converter (3), a gas-water separator (4), a bracket (16) and a heat absorbing film (35). The acidification tank is arranged between the acidification tank and the carbon dioxide converter to divide the preparation process into three phases of acidification, generation and purification; feed liquor is forced by a circulation pump to accelerate the generation of methane gas and improve the gas yield; carbon dioxide in the methane gas is removed by the carbon dioxide converter, so that the content of the methane is improved by over 90 percent; and core equipment of the methane reactor is made of soft materials, and can be folded, and is convenient to be transported and industrially produced. The preparation of the methane reactor can be widely applied to treatment of organic matters of organic wastewater, household waste, human and animal excreta, crop straw and the like.

The invention provides a sewage treatment complexing agent as well as a preparation method and an application method thereof. The sewage treatment complexing agent comprises components in percentage by weight as follows: 60%-80% of a main agent, 10%-25% of a pH regulator, 5%-10% of a proportion increasing agent and 2%-6% of an adsorbent, wherein the main agent comprises at least one of aluminum sulfate, sodium carbonate and quicklime. The preparation method of the complexing agent comprises the following steps: the components are weighed respectively according to the formula of the sewage treatment complexing agent, and mixing treatment is performed to obtain the sewage treatment complexing agent. The sewage treatment complexing agent has high flocculation and sedimentation speed as well as high turbidity removal rate, can purify water efficiently, is pollution-free for natural environment and is applied to sewage treatment and landfill leachate treatment.

The invention relates to the field of comprehensive utilization of biomass energy, and discloses a biomass carbonization device and a biochar preparation process. The biomass carbonization device comprises a biomass briquetting system used for pressing biomass to obtain biomass briquettes; a biomass briquette carbonization system used for carbonizing the biomass briquettes; and a biomass briquetteconveying system used for conveying the biomass briquettes from the biomass briquetting system to the biomass briquette carbonization system. According to the invention, through the biomass carbonization device, intermittent feeding, continuous briquetting, continuous carbonization, and continuous material discharging of the biomass are realized, and the large-scale production intensity is high;furthermore, a waste flue gas with a certain amount of heat is adopted to provide heat for carbonization, so that the energy consumption in the carbonization process is significantly reduced; and anaerobic carbonization avoids destruction of organic matter in carbon powder due to a high temperature of direct combustion.

A high-solid circulating anaerobic reactor comprises a tank body and at least one turning and lifting unit, wherein each turning and lifting unit is arranged in the tank body and comprises a driving wheel, a transmission device, a support and a driven wheel, the transmission device is mounted at the upper part of the support, a guiding barrel is arranged on the transmission device, a discharge port and a feed port are formed in the upper part and the lower part of the guiding barrel respectively, the driving wheel is connected with the output end of the transmission device, the driven wheel is mounted at the lower part of the support, a transmission belt is connected between the driving wheel and the driven wheel, and turning and lifting pieces are distributed on the transmission belt. According to the high-solid circulating anaerobic reactor, the circulating lifting disturbance units are arranged in the tank body, a material in the tank body is lifted from bottom to top and drops, so that whole rolling and stirring of the material are formed along the tank body from bottom to top, and the high-solid circulating anaerobic reactor is particularly suitable for fermentation treatment of muddy and highly-pasty solid waste with higher viscosity or higher solid content and is high in adaptability and convenient to manufacture and maintain, and the phenomenon of raw material sedimentation on the wall surface and at the bottom of the tank body can be prevented.

The invention provides a preparation device of modified biomass charcoal for soil treatment. A crusher is connected with a biomass conveying pipeline for conveying biomass. The biomass is agriculturaland forestry waste. The crusher is also connected with a granulator and the top of a biomass bin through pipelines in turn, and the bottom of the biomass bin is connected with one end of a conveyor through a pipeline, and the other end of the conveyor is connected with the lower part of the side wall of an elevator through a pipeline; the top of the elevator is connected with a biomass inlet through a pipeline; a biomass charcoal outlet is connected with a cooler, a biomass charcoal storage tank and a biomass charcoal feeding port through pipelines in turn; a discharge port is connected witha filter and a dryer through pipelines in turn. The preparation device of the modified biomass charcoal for soil treatment can realize automatic and large-scale treatment, and is prone to realizationof industrialization. The invention also provides a preparation method of the modified biomass charcoal for soil treatment.

The invention provides a novel efficient sludge dewatering conditioner which comprises elementary sulfur or reduced sulfide and ferrous sulfate. The molar ratio of the elementary sulfur or the reduced sulfide to the ferrous sulfate is 1:5-5:1, and the conditioner is powder. The invention further provides an application of the conditioner. The additive amount of the conditioner is 1%-10% of the dry weight of sludge, and CST (capillary suction time) of the sludge can be reduced by 15%-30% after treatment for 12-48 hours under the condition of the aeration rate of 300-900ml / (min*L). By adding harmless medicaments, growth and metabolism of microorganisms in the sludge are promoted, system environmental conditions are changed, and the dewatering performance of the sludge is improved.

The invention relates to a pretreatment method of improving the dewatering performance of urban sludge. The pretreatment method comprises the following steps of: respectively adding a coagulant and afilm breaking agent to remaining activated sludge through a front feeding port and rear feeding port of a pipeline mixer, and carrying out mixed reaction; introducing the sludge with the added coagulant and film breaking agent into a high mixing tank, and adding a neutralizing agent while stirring to obtain the sludge with the pH value of 6.2-7.0; continuously pouring the obtained sludge into an inclined plate water knockout drum, carrying out gravity sedimentation on the sludge, and dividing the sludge into an upper clear liquid layer and a lower sludge layer after sedimentation, wherein theupper clear liquid layer overflows from an overflow port of the inclined plate water knockout drum, the lower sludge continuously settles and accumulates, and the moisture content of the bottom sludgeis reduced to 94-98 wt.%. The sludge pretreatment method integrates sludge modification and concentration, and overturns the traditional pre-concentration and after-modification sludge pretreatment process, is short in process and realizes the continuous large-scale treatment of the sludge; and conditions are easy to control. Agents used in the treatment process do not have any solid compatibilization, do not affect the calorific value of the sludge and are beneficial to the subsequent disposal of the sludge.

The invention provides a high-concentration organic waste innocent treatment system and process. High-concentration organic waste discharged from industrial production is mixed with coal slime or fine particle clean coal to proportionally produce coal water slurries, the water content of the coal water slurries is controlled through a slurry ability experiment, and a coal water slurry plunger pump is used to continuously and stably convey the coal water slurries to a circulating fluidized bed boiler for burning to produce superheated steam for comprehensive utilization of enterprises, so that effects of energy conservation and environmental protection are achieved. Combustion tail gases are subjected to desulfurization, denitrification and dedusting through a flue gas cleaning system and discharged until the combustion tail gases meet the requirement of environment protection, and ashes left in the production process can be used as building materials or brick-making raw materials. According to the high-concentration organic waste innocent treatment system and process, the high-concentration organic waste discharged from industrial production and coal slime or fine particle clean coal is used as raw materials of the coal water slurries, and by means of a water coal slurry clean combustion technology, the high-concentration organic waste is used as production water for the water coal slurries, so that treatment costs of high-concentration organic waste and waste water are saved, industrial production waste is absorbed, and production costs of enterprises are reduced.

The invention discloses composite fermentation microbial inoculant and an application of the composite fermentation microbial inoculant in preparation of a citrus pulp bio-organic fertilizer. The composite fermentation microbial inoculant includes fertilizer fermenting zymocyte, bacillus subtilis, enterococcus faecalis and trichoderma. The composite fermentation microbial inoculant can ferment organic waste having a main raw material of citrus pulp to obtain the biological organic fertilizer. A preparation method of the citrus pulp bio-organic fertilizer provided by the invention is simple inoperation, low in operation cost, good in product effect, can be promoted and applied on a large scale, can not only realize harmless treatment of the citrus pulp, solve environmental pollution problems, but also realize the recycling of the agricultural waste, and has good economic and ecological benefits; and the conventional nutrient indicators of the obtained bio-organic fertilizer meets the standards of Bio-Organic Fertilizer Standards of ''Agricultural Industry Standards of the People's Republic of China (NY 525-2012)'', and the bio-organic fertilizer is rich in nutrients, and can effectively improve soil, promote plant growth, enhance plant disease resistance, and improve the quality of agricultural products.

The invention discloses a preparation method for extruding and puffing brown rice bran powder into a nutritional adding auxiliary material. The preparation method comprises the following steps: addingan antioxidant emulsion into a mixed material, the water content of which is 10-15%, of the brown rice bran powder and brown rice; freezing the mixed material with the antioxidant emulsion in a quick-freezing tunnel within 2 hours; putting the quick-frozen mixed material in a refrigeration house at 15-20 DEG C below zero to be stored for at least 48 hours; extruding and puffing the frozen and stored mixed material through a single screw extrusion device or a twin screw extrusion device to obtain an indefinite form aggregate; and drying the indefinite form aggregate by hot air at 50-70 DEG C till the water content is 7-10%, and finally, crushing the aggregate through a 60-mesh sieve to obtain the nutritional adding auxiliary material. The preparation method inhibits self-oxidization and enzymatic oxidation processes of the brown rice bran powder to prevent the brown rice bran powder from being oxidized by mean of a combined physical and chemical method, so that the brown rice bran powder becomes a precious food processing raw material.

The invention discloses a tower photocatalytic device and a catalytic method thereof. The tower photocatalytic device comprises a cavity with a double-layer structure, a first suction pump, a second suction pump and a circuit system, wherein the cavity is composed of an inner cavity and an outer cavity, a light source is arranged in the inner cavity, a block photocatalyst is arranged in the outer cavity, and a water inlet is formed in the bottom of the outer cavity; one end of the first suction pump is connected with the water inlet of the outer cavity through a hose, and the other end of the first suction pump is connected with a sewage pool through a hose; one end of the second suction pump is connected with an opening in the upper end of the outer cavity through a hose, and the other end of the second suction pump is connected with a reservoir through a hose; the circuit system is used for controlling the light source, the first suction pump and the second suction pump to operate, and switches of the circuit system are all installed on the outer side surface of the outer cavity. The preparation method is simple and easy to implement and has the advantage of low cost; the photocatalytic device adopts block catalytic materials, so that the recycling of the catalyst is facilitated, and large-scale treatment can be performed on sewage by using a photocatalytic technique.

A method for improving dehydration performance of sludge through oxidizing organic matters in the sludge includes the following steps that (1), mixing dilution or concentration is performed; (2), chemical feeding is performed for oxidization; (3), solid-liquid separation is performed; (4), liquid filtering is performed. The method is simple in progress, conditions are easy to control, the dehydration time for the sludge can be shortened, and the sludge can be treated on a large scale.

The invention discloses a rotary excavating and liquid injecting planting system and method for desertification control. Rotary excavating and liquid injecting devices are distributed in a planting area and connected through water pipes, and the water pipes are communicated with a liquid storage tank after being converged. Each rotary excavating and liquid injecting device comprises an outer cylinder and an inner cylinder, wherein the outer cylinder comprises a central outer cylinder body, hollow outer spiral blades are arranged on a cylinder wall and provided with outer permeation holes, the inner cylinder comprises a central inner cylinder body, hollow inner spiral blades are arranged on the cylinder wall and provided with inner permeation holes, the size of the inner spiral blades and the size of the outer spiral blades are matched, the hole opening positions of the inner permeation holes and the hole opening positions of the outer permeation holes are consistent, the central inner cylinder body is communicated with the liquid storage tank outside and placed in the central outer cylinder body, the inner spiral blades are placed in the outer spiral blades, liquid in the liquid storage tank permeates in planting pits when the cylinders are rotated to make the inner permeation holes and the outer permeation holes on the inner spiral blades and the outer spiral blades coincide, and the liquid stops permeating in the planting pits when the cylinders are rotated to make the inner permeation holes and the outer permeation holes staggered.

The invention discloses an ardealite pretreatment method. The ardealite pretreatment method comprises the following steps: sieving large blocks of ardealite; grinding the sieved large ardealite blocks; placing the ground ardealite in a microwave field for irradiation, and raising a temperature; calcining the ardealite having undergone microwave irradiation; aging the calcined ardealite; and testing the pH value of the aged ardealite, and if the pH value is not within the range of 5-7, adjusting the pH value to 5-7. The invention further discloses an ardealite gypsum plaster board and a preparation method thereof. By means of the ardealite pretreatment method, the setting time and strength of ardealite are improved, and ardealite can be successfully added into a gypsum plaster board. The invention further provides ardealite self-leveling mortar and a preparation method thereof. The performance of the ardealite self-leveling mortar meets standard requirements prescribed in JC / T 1023-2007.

The invention provides a radioactive comprehensive wastewater treatment method. Radioactive uranium is separated through a precipitator, intermediate wastewater is subjected to electrooxidation treatment, and the pollutant concentration is further reduced on the premise that the wastewater can be discharged in a standard reaching mode. After uranium is removed, manganese, ammonia nitrogen and COD in the wastewater can be further removed, and wastewater treatment is completed. The method is simple in process, low in equipment requirement, free of additional treatment agent, free of secondary pollution, capable of conducting batch treatment and capable of meeting the requirements of industrial production.

The invention discloses an ecological circulation system for harmless recycling of city pipe network sludge. The system comprises an initial end for inputting sludge into the system, the output end ofthe initial end of the system is connected with a biological reaction box through a pipeline, the output end of the biological reaction box is connected with a Aeolosoma hemprichii breeding biological pile through a pipeline, and the output end of the Aeolosoma hemprichii breeding biological pile is connected with the input end of an Aeolosoma hemprichii manure separator through a pipeline. The system greatly reduces the pollution of the city pipe network sludge to the environment, and effectively purifies air; and a biotechnology adopted in the invention greatly reduces harmful substances ofvarious products in the system, and harmlessly recycles pollutants, so that secondary pollution is avoided, safe plantation of crops is facilitated, the land use amount and the energy consumption arereduced, and large-scale treatment of the city pipe network sludge is realized.

The invention discloses a method for separating L-phenylalanine from aspartame synthesis mother liquid. The method is characterized in that by combining crystallizing and cryogel adsorption chromatography techniques, the L-phenylalanine is extracted from the aspartame synthesis mother liquid containing aspartic acid and D,L-phenylalanine. The method comprises the following steps of performing anti-solvent crystallizing on a water solution of the aspartame synthesis mother liquid; performing chromatographic separation by a cryogel medium to remove impurities; then, freezing, crystallizing, refining, and drying, so as to obtain the L-phenylalanine. The separation method has the advantages that the technology process is simple, the process control is easy, the operation is convenient, the industrial amplification is easy, the purity of the obtained L-phenylalanine is high, the specific rotation is -32, and the industrial application prospect is good.

The invention belongs to the technical field of sewage treatment, and particularly relates to a method for purifying slight pollution sewage through waste sulfuric acid picking liquid. The method includes the following steps: 1, first reactants are added according to the pollution degree of the slight pollution sewage and evenly stirred; 2, second reactants are added according to the PH value of the sewage obtained after the first reactants are added, the second reactants and the first reactants are reacted to increase the PH value of the sewage, even stirring is carried out after the second reactants are added, the reaction time is 10 minutes, and the sewage is completely treated after flocculation and degradation are carried out for two hours; wherein the whole reaction is carried out at the normal temperature. According to the method, the whole technological steps are simple and reasonable, the treatment cost is low, the treatment effect is good, the waste acid picking liquid is completely recycled, control is easy, and the treatment time is short.