102results about How to "Achieve the purpose of using" patented technology

The invention belongs to the technical field of a limestone / gypsum wet flue gas desulfurization technology, and particularly relates to an additive for strengthening a wet flue gas desulfurization technology, which comprises the following components in percentage by mass: 35-45% of mixed organic acid, 5-10% of organic acid salt, 6-9% of surfactant, 1-6% of heavy metal salt and 35-45% of dirt dispersion agent; and the mixed organic acid comprises adipic acid, wherein the percentage of mass of the adipic acid in the mixed organic acid is not less than 50%. The additive can be added and used for strengthening the wet flue gas desulfurization technology, improve the desulfurization efficiency of a system, reduce the energy consumption, strengthen oxidization, improve the limestone quality and restrain system scaling, and accordingly, the purposes of energy conservation, consumption reduction and waste recycling are realized.

For solving the environmental pollution problem of current enteromorpha, the invention discloses a method for preparing enteromorpha-based Hydrochar by taking enteromorpha as a basic raw material. The method comprises the steps of uniformly mixing enteromorpha, citric acid and water in a ratio of 5: (0-1.25):75 so as to form slurry; and then, carrying out hydrothermal carbonization on the slurry for 24 h at temperature of 160-200 DEG C. Compared with an enteromorpha raw material, the enteromorpha-based Hydrochar has a high HHV value, and as a stable fixed carbon source, the Hydrochar can inhibit the emission of CO2 and can be used as a soil fertilizer; and by taking the enteromorpha-based Hydrochar as a precursor, a CO2 carbon-based adsorbent is successfully prepared by using a KOH activation method, and the CO2 carbon-based adsorbent is simple in preparation method and low in cost, and has good regeneration and cycle use performances. Due to the development of the enteromorpha-based Hydrochar and the CO2 carbon-based adsorbent, the environmental pollution problem of enteromorpha is successfully solved, and CO2 in air is reduced.

The invention discloses a prepartion method of plant fertilizer, according to following steps: 1, materials prepartion, 15 to 25 parts of wasted fungi bag for producing edible gungi, 1 to 25 parts of humus, 1 to 25 parts of cotton seed, 8 to 12 parts of bancoul nuts, 8 to 12 parts of bone powder, 15 to 25 parts of cattle dung or sheep dung, 8 to 12 parts of plant ash; 2, each of the materials is crushed once in a grinder respectively, the crushed materials can go through sieve of 60 to 100 meshes; 3, the materials are mixed together in the percentage and stacked in a fermenting tank for fermentation at a temperature of 50 to 70 DEG for 20 to 30 days; 4, products of fermentation composting are taken out and dried, content of free water in completed products is 15 to 20%, a second crushing is proceeded after drying, the crushed materials can go through sieve of 80 to 10 meshes, then products are obtained. The plant fertilizer obtained according to the method provided by the invention can improve soil fertility and improve soil structure.

The invention discloses a multifunctional suspended carrier for sewage treatment and a preparation method of the multifunctional suspended carrier, belongs to a material used for water, wastewater, sewage or sludge treatment equipment and particularly relates to a microorganism suspended carrier for water, wastewater or sewage biological treatment. The multifunctional suspended carrier for sewagetreatment is characterized in that aluminum polychlorid production waste residues, quicklime, coal ash and binders are raw materials, and targets are obtained through steps of mixing, curing, drying,granulation, baking and pulverization. The raw materials of the product disclosed by the invention are low-cost industrial wastes, and the resource utilization of the wastes is favorably realized. The main ingredient of the product is aluminosilicate, the aluminosilicate is neutral in water and is favorable for microorganism attaching propagation, phosphoris generated after biological metabolism are fixed on the carrier surface in a phosphate mode, the microorganisms are settled at the bottom of a processor after the phosphate adsorption, and the microorganisms can be always kept in a high-activity state through regularly extracting partial sludge and updating the carrier.

The invention provides a pollutant pretreating tower condensing based on flue gas. The pollutant pretreating tower comprises a condensation pipe bundle, an alkaline water storage slot, a spraying device, an alkaline liquor circulating sedimentation tank, a condensation pipe bundle external circulating pipeline, upper and lower headers and the like. The flue gas passes through a flue gas cooler and an electrostatic precipitator in sequence and enters the pollutant pretreating tower; heat exchange between the flue gas and condensation water, boiler feed water or replenished water, in the condensation pipe bundle, at about 20 to 38 DEG C occurs, so that steam in the flue gas is cooled and condensed; acid gases such as SO2, CL2, F2 and NOx are reacted with water to generate acid solutions such as H2SO3, H2SO4, HCL and HF; the acid solutions are collected by the alkaline liquor circulating sedimentation tank; meanwhile ammonia gas escaped from the flue gas is also chemically reacted with the acid solutions, so that the escaped ammonia gas can be removed. By arranging the condensation type pollutant pretreating tower disclosed by the invention, pollutants can be removed partially; the structure of a desulfurizing tower is simplified; the pressure of the desulfurizing tower is relieved; the flow resistance of the flue gas is greatly reduced so as to reduce the power consumption of a fan and save energy resources; according to the pollutant pretreating tower disclosed by the invention, the flow path of the flue gas is basically not changed, the change range is small, and the cost is reasonable.

The invention discloses a system and a method for jointly producing energy by means of solar photocatalysis and medium and low-temperature thermal chemistry by the aid of spectrum frequency division, and belongs to the technical field of solar full spectra. The technical scheme mainly includes that a spectrum frequency divider is arranged right above a groove type reflecting mirror; solar energy with different spectra can be redistributed by the spectrum frequency divider, the solar spectra can be separated from one another at the wavelengths of 750 nm, sunlight with the wavelengths shorter than 750 nm is transmitted into a solar photocatalysis device for preparing hydrogen, sunlight with the wavelengths longer than 750 nm is transmitted to a low-temperature heat exchanger and a medium and low-temperature thermal chemical reaction device to provide heat energy required by heat absorption reaction, and the low-temperature heat exchanger and the medium and low-temperature thermal chemical reaction device are communicated with each other via pipelines to form circuits. The system and the method have the advantages that photocatalysis-medium and low-temperature thermal chemistry are jointly used, and accordingly waste heat can be recycled; each solar spectrum can be divided into two portions by the aid of spectrum frequency division technologies, accordingly, the hydrogen can be prepared by means of solar photocatalysis, the medium and low-temperature thermal chemistry can be efficiently utilized, energy can be saved, and the solar conversion efficiency can be improved.

A method for producing bone essence, bone protein, bone meal, meat bone meal, meat meal and refined oil by animal fresh bones. The invention solves the problems of environment pollution, low extraction yield, and addition of preservatives and mould inhibitors in the production of bone essence, bone protein, bone meal, meat bone meal, meat meal and refined oil. The method comprises the following steps: boiling fresh bones and water at a high pressure, separately storing bone oil, separately storing bone residue wastes, adding an enzyme, stirring, allowing the mixture to stand; performing high-pressure boiling after standing, adding a compound enzyme, stirring, allowing the mixture to stand, and freeze-drying the mixture into powder so as to obtain bone essence and bone protein; decoloring the bone oil with active carbon to obtain the refined oil, recovering wastes after decoloration by active carbon; sterilizing the bone residue wastes and the wastes after decoloration by active carbon, performing pulverization to obtain bone meal, meat bone meal, meat meal. The invention does not need the addition of additives of preservatives and mould inhibitors; the product can be stored for above three years at normal temperature; the invention prevents the problem of environment pollution; and the extraction yield of bone essence, bone protein, and refined oil is increased by 40% when compared with original yield.

The invention discloses organic fertilizer. The organic fertilizer is characterized by being prepared from the following raw materials in parts by weight: 15 to 20 parts of peanut bran, 15 to 20 partsof tobacco powder, 30 to 45 parts of traditional Chinese medicinal dregs, 10 to 13 parts of alcohol residues, 10 to 15 parts of molasses, 5 to 10 parts of amino acid, 1 to 2 parts of trace elements and 8 to 10 parts of fermentation agent, wherein the traditional Chinese medicinal dregs are dregs extracted from the following traditional Chinese medicines in parts by weight: 2 to 5 parts of caulisspatholobi, 1 to 3 parts of radix angelicae sinensis, 2 to 3 parts of radix codonopsis, 1 to 2 parts of radix angelicae dahuricae, 2 to 5 parts of radix gentianae, 1 to 3 parts of flos lonicerae, 2 to3 parts of white flos chrysanthemi and 1 to 2 parts of herba taraxaci. The organic fertilizer disclosed by the invention has the advantages of good fertilizer efficiency, improvement on the soil, facilitation for preventing pests and diseases of crops and low cost.

The invention relates to a method for extracting procyanidine from fruit or pomace of aronia melanocarpa elliot. The method comprises the steps of dipping the fruit or pomace of the aronia melanocarpa elliot into an organic solvent, conducting Flash extraction for 0.5-30 minutes by using a Flash extractor, carrying out suction filtration and centrifugation to obtain a procyanidine extract solution of the aronia melanocarpa elliot; concentrating the procyanidine extract solution of the aronia melanocarpa elliot by using a negative pressure rotary evaporation device to obtain procyanidine extract concrete of the aronia melanocarpa elliot; and after pre-freezing the procyanidine extract concrete of the aronia melanocarpa elliot by using an ultra-low temperature refrigerator, carrying out freeze drying on the procyanidine extract concrete by using a freeze drying device to obtain the freeze-dried powder of a procyanidine extract of the aronia melanocarpa elliot. According to the method disclosed by the invention, low temperature in the whole course can be realized, procyanidine disintegration caused by high temperature can be avoided, the loss of anthocyanin in the extracting process effectively can be effectively avoided, the operation is simple and the cost is low, and promotion in enterprises can be achieved by forming an automatic production line, so that the method has a relatively high commercial value.

The invention discloses a method for separating phycobiliprotein from laver processing wastewater. The method comprises the following steps: (1) filtering laver processing wastewater to remove impurities to obtain laver processing wastewater without impurities; (2) adsorbing phycobiliprotein in the laver processing wastewater without impurities with ion exchange packing so as to obtain phycobiliprotein adsorbed ion exchange packing; and (3) eluting the phycobiliprotein adsorbed ion exchange packing with 0.1-0.5M of sodium chloride-PBS buffer solution to obtain purified phycobiliprotein. According to the method, purified high-active-value phycobiliprotein can be reclaimed from laver processing wastewater, so that the aim of waste utilization can be achieved; meanwhile, environmental pollution caused by direct drainage of laver processing wastewater can be reduced due to extraction of the phycobiliprotein.

A method for preparing a sericin-based antifreeze agent comprises the following steps: dissolving sericin with water to obtain solution with concentration of 0.5 to 10% (mass- volume fraction, g / mL); adjusting the pH value of the solution to 7.0 to 9.0 with 0.5-1.5mol / L NaOH solution, and carrying out heat preservation at 20 to 40 degrees centigrade; adding trypsin based on the ratio of the activity of trypsin to the mass of sericin of 10,000U to 40,000U to 1g, and carrying out enzymatic hydrolysis reaction for 0.5-4h; after the enzymatic hydrolysis reaction, heating the solution to 80 to 100 degrees centigrade, and maintaining for 5 to 10 min for carrying out inactivation treatment; and freeze-drying the obtained polypeptide solution, and obtaining the zymolytic protein antifreeze agent derived from sericin. The novel antifreeze agent provided by the invention belongs to non-carbohydrate, and the energy of those foods is not increased if the antifreeze agent is applied to freezing and refreshing protein foods, so that the diabetic patients can eat the frozen protein foods.

The invention provides a soil conditioner suitable for bletilla striata growth as well as a preparation method and application thereof and belongs to the technical field of soil improvement. The soil conditioner is prepared by fermenting the following raw materials in parts by weight: 35-45 parts of medical stone, 55-65 parts of oil cake, 20-30 parts of wormcast, 1.2-2.5 parts of enzymes, 1.8-3.6 parts of potassium fulvic acid, 2.4-3.2 parts of diammonium phosphate, 1.5-3.5 parts of calcium carbonate, 12-18 parts of compound bacteria, 10-15 parts of cacumen biotae leaves, 10-15 parts of lotus leaves, 6-10 parts of folium mori and 6-10 parts of lophatherum gracile. The preparation method for the soil conditioner comprises the following steps: preparing a traditional Chinese medicine compound; preparing a zymocyte solution; and composting. The soil conditioner can fully supply the nutrient elements required by the growth of bletilla striata, can effectively improve the moisturizing property and air permeability of the soil in the growth process of the bletilla striata, can increase the survival rate of the bletilla striata and can shorten the growth period of the bletilla striata.

A process for desulfurizing fume features that a mixture of seawater and salt mud is used as desulfurizing liquid, which is then pumped into the desulfurizing tower, where it reacts on fume, and the resultant ash sludging water is directly pumped to an ash field.

The invention relates to a twist-drill oil-groove milling cutter. The twist-drill oil-groove milling cutter is optimized based on a normal twist-drill and can make full use of the cutting performance of the twist-drill. The vertex angle 2 Phi of the twist-drill oil-groove milling cutter is 120 degrees, and two main cutting edges are forward and backward spatial spiral C-Shaped curves with chip dividing grooves. By adoption of the two main cutting edges and the milling cutter provided with two big right-handed-rotation chip-hold and chip-removal spiral grooves, compared with a multi-tooth straight blade ball oil-groove milling cutter, chip deformation is less, chip- breaking, chip-removal and cooling are convenient. The twist-drill oil-groove milling cutter has the advantages of big chip holding spaces and smooth chip removing, progressive cut-in, stable cutting, high machining quality, long lifetime of cutting tools, and the like. The twist-drill oil-groove milling cutter is low in manufacturing cost, convenient to cutter sharpening, high in machining efficiency, and beneficial to promotion and application in production, and is a good cutter tool with excellent drilling and milling functions.

The invention provides a method for preparing a semiconductor BiOxCly type photocatalyst by utilizing industrial wastewater. The method comprises the following steps: adding bismuth nitrate pentahydrate to industrial wastewater, ultrasonicateing and stirring for 30 minutes in an ultrasonic machine with a power of 100 Hz to uniformly disperse the bismuth nitrate pentahydrate industrial wastewater; then transferring all the mixed solution of industrial wastewater and bismuth nitrate pentahydrate to a reaction kettle, tightening the reaction kettle and then placing in a homogeneous reactor, and heating under certain conditions to prepare the high-photocatalytic-activity semiconductor BiOxCly type photocatalyst. The photocatalytic activity of the semiconductor BiOxCly type photocatalyst prepared by the invention under ultraviolet irradiation is much higher than that of a P25 type titanium dioxide and bismuth oxychloride semiconductor photocatalyst; the pollutants difficult to treat such as COD (Chemical Oxygen Demand) and sodium chloride in the wastewater are obviously reduced, and the total phosphorus is mostly converted into orthophosphate in the preparation process of the semiconductor BiOxCly type photocatalyst.

The invention discloses a preparation method of a fly ash based porous thermal insulation material with low thermal conductivity. The preparation method comprises the following steps: (1), fly ash, a water reducing agent, a dispersing agent and a flux are mixed and stirred with water into slurry; (2), a foaming agent is completely dissolved in water and stirred to obtain foam; (3), quick setting and hardening sulfoaluminate cement is added while the fly ash slurry is stirred, the foam is added after the cement is dispersed uniformly, and foam slurry is obtained after uniform stirring; (4), the foam slurry is poured into a mold and left for standing and curing; (5), demolding and drying are performed after a wet green body is cured completely; and (6), a porous green body is placed in a high-temperature sintering furnace for sintering, and the fly ash based porous material is obtained. The fly ash based porous material is prepared with a method of first independent foaming of a foaming liquid and then mixing and curing of the foaming liquid and the slurry and has low thermal conductivity, an organic template or addition of an organic volatile pore forming agent is not needed in the process, and a cementing material is an inorganic material, so that waste discharge in the material preparation process is avoided, the cost is saved, and the environment is protected.

A light partition is made from cement, cinder, haydite, water and additive through proportional mixing, stirring, die pressing and curing for more than 7 days. Its advantages are light weight, thin thickness, high anti-earthquake, water-proof, fireproof, antiflex cracking and antishock performance, low cost and reuse of wastes.

The invention relates to a treatment method for wastes produced by fluidized-bed gasification. The method comprises the following steps: A, uniformly mixing fluidized-bed fly ash, fluidized-bed furnace slag and a binding agent and crushing to obtain mixed powder; B, adding water into the mixed powder and pressing and molding to obtain a raw material; C, conveying the raw material and raw coal intoa gasification furnace and carrying out activation treatment to obtain an activated material. According to the treatment method provided by the invention, the fluidized-bed fly ash and the fluidized-bed furnace slag are activated to generate a uniform and developed pore structure and are used as materials for adsorbing and treating wastewater, and a pore-forming agent does not need to be additionally added, so that carbon combustion of the fluidized-bed fly ash and the fluidized-bed furnace slag in an activation process can provide part of energy to the activation process and maximum utilization of non-renewable resources is realized; the method has a simple technology and can realize waste utilization and generate relatively good economic benefits.

The invention discloses a wave energy power generation type lighthouse, and relates to the technical field of wave energy power generation. The wave energy power generation type lighthouse comprises an energy supply box. A first spring is fixedly connected with the middle of the bottom of the inner wall of the energy supply box, a movable block is fixedly connected with the top of the first spring, a connecting piston rod is fixedly connected with the middle position of the bottom of the movable block, and a wave energy receiving plate is fixedly connected with the end, away from the movable block, of the piston rod; and the top of the movable block is fixedly connected with the top of the inner wall of the energy supply box through a second spring, movable rack plates are fixedly connected with the two sides of the outer wall of the movable block, and the movable rack plates are connected with first rotary gears in an engaged mode. According to the wave energy power generation type lighthouse, the purposes that a power source is supplied to the lighthouse, environmental protection and energy saving are achieved, the cost is reduced, maintenance is convenient, the lighthouse is more convenient to use, and popularization is easy are achieved, and a method that wave surging can generate power to drive the lighthouse has very profound theoretical significance and very high practical value.

The invention relates to a utilization method of the fluid energy in a water supply pipe network. A power generator is additionally arranged at a water intake of a water plant, particularly, the water intake of the water plant comprises a first branch provided with a first valve / sluice 3 and a second branch which is connected in parallel with the first branch and is sequentially provided with a second valve / sluice 52 and the power generator 6 along the flow direction, wherein the first branch is directly led to a pool of the water plant, and the second branch is also directly led to a pool or is connected to a water outlet pipeline of the first branch after passing through the second valve / sluice 52. The invention has the advantages that a power generation system is suitable for a transmission pipe network of water, gas and oil, a power generator can utilize the fluid energy to generate the power by connecting the power generation system with a pipe network mainstream pipeline in parallel, and the normal production and the use of a fluid can not be influenced although the power generator has a fault, therefore, the invention truly realizes zero discharge and zero pollution.

The invention discloses a preparation method of a (trichloromethoxy)benzene compound and a preparation method of a (trifluoromethoxy)benzene compound. According to the method of the (trichloromethoxy)benzene compound, the (trichloromethoxy)benzene compound is synthesized by taking rectification raffinate, which is generated when a (trifluoromethoxy)benzene compound product is synthesized from the(trichloromethoxy)benzene compound, as a solvent, and the content of the (trichloromethoxy)benzene compound in obtained chlorination liquid can reach 95% or above; and desolventizing is conducted so as to obtain a crude (trichloromethoxy)benzene compound product which can be directly used for a fluorination reaction so as to produce a corresponding (trifluoromethoxy)benzene compound. By utilizingthe method, the waste fluorinated rectification raffinate in the original process can be fully utilized, and waste discharge and treatment cost in the production process are greatly reduced; and sincethe rectification raffinate treated as waste becomes an excellent chlorination reaction solvent, the consumption of raw materials and the production cost are greatly reduced, the purpose of waste utilization is achieved, and a technical process is greener and more environment-friendly.

The invention relates to a molten steel slag solidification and dispersion treatment system and method. The molten steel slag solidification and dispersion treatment system comprises a cooled dispersing agent conveying unit, a molten steel slag conveying unit, a middle slag tank, a solidified steel slag conveying unit and a rotary cooling granulator, wherein the cooled dispersing agent conveying unit and the molten steel slag conveying unit are arranged above the middle slag tank; and an outlet of the middle slag tank is arranged above the solidified steel slag conveying unit which is connected with the rotary cooling granulator. The molten steel slag solidification and dispersion treatment method comprises step as follows: when the temperature of molten steel slag is smaller than or equal to 1,000 DEG C, a solid cooled dispersing agent accounting for 30%-50% of the total mass of molten steel slag is uniformly mixed with the molten steel slag. The provided molten steel slag solidification and dispersion treatment system is simple in structure and convenient to mount and maintain, and the service life of the system is prolonged; and the molten steel slag solidification and dispersion treatment method is simple in operation process and can efficiently solidify and disperse the molten steel slag.

The invention provides rice washing equipment. The rice washing equipment comprises a left cleaning purifying device, a right cleaning purifying device, a rice washing water recycling device and a movable rack; the left cleaning purifying device and the right cleaning purifying device are arranged on the left side and the right side of the top end of the movable rack correspondingly; the rice washing water recycling device is arranged in the middle of the top end of the movable rack, the left cleaning purifying device is connected to the left end of the rice washing water recycling device, and the right cleaning purifying device is connected to the right end of the rice washing water recycling device; and the structure of the left cleaning purifying device is the same with that of the right cleaning purifying device. According to the rice washing equipment, rice can be effectively washed, further processing is facilitated, the cleaning effect is good, cleaning efficiency is high, and rice washing water can be effectively recycled; after the rice washing water is filtered, and collection is conducted, so that the aim of making good use of waste materials is achieved; and according to the rice washing equipment, the problems that in the prior art, the rice washing mode wastes time and energy, the cleaning cost is high, and the using rate of the rice washing water is low are solved.

The invention relates to a method for fast synthesizing a mesoporous solid acid catalyst immobilized with sulfonic acid, which comprises the following steps of: heating mesoporous molecular sieves with template agents, which are used as raw materials, in sulfuric acid solution with certain concentration so that the template agents in molecular sieve pore paths are carbonized and sulfonated; then,carrying out suction filtration, extraction and baking to obtain the mesoporous solid acid catalyst immobilized with the sulfonic acid. Compared with the tradiational mesoporous solid acid catalysts,the catalyst has simple preparation method and little time consumption. Sulfonic acid base groups are prepared through carbonizing and sulfonating the template agents, the use of expensive organic reagents is avoided, the production cost is greatly reduced, and the goal of waste utilization is also reached. In addition, the catalyst has orderly height distribution of the pore pathes, uniform porediameter and large specific surface area, is simple to separate and easy to store and shows good reaction activity when applied to the catalysis of aldolization.

The invention discloses an excrement treatment system. The system comprises a solid-liquid separation device, wherein the inlet of the solid-liquid separation device is communicated with a discharge port, and the solid-liquid separation device is used to receive excrement and divides the excrement into solid excrement and liquid excrement; a solid excrement processing device, wherein the inlet ofthe solid excrement processing device is communicated with the solid discharge outlet of the solid-liquid separation device and the solid excrement processing device is used for carrying out microbialdecomposition and fermentation on solid excrement; and a liquid evaporation and purification device, wherein the inlet of the liquid evaporation and purification device is communicated with the liquid discharge outlet of the solid-liquid separation device and the liquid evaporation and purification device is used for evaporating liquid excrement and recovering evaporated water vapor. Solid and liquid in excrement are purified respectively, the solid excrement is made into an organic fertilizer used for crop irrigation, the liquid excrement is evaporated and the vapor is recycled and served asflushing water for toilets. Through the design, toilet excrement is effectively and harmlessly treated, and the problem that the excrement pollutes the environment is avoided.

The invention discloses a method for preparing a SiC whisker toughened Al2O3 abrasion-resistant refractory material by using white mud as the raw material. The method comprises the following steps: taking the following components in parts by weight: 30 to 90 parts of white mud, 10 to 50 parts of carbon source and 1 to 15 parts of a bonding agent; uniformly mixing the above components; carrying out dry grinding; adding the obtained product into a forming machine for forming; drying to obtain a green body; placing the green body in a thermotechnical kiln for calcination at the calcination temperature of 1,200 to 1,500 DEG C; carrying out heat preservation for 30 minutes to 10 hours; cooling , so that the SiC whisker toughened Al2O3 abrasion-resistant refractory material is obtained. The invention further discloses the SiC whisker toughened Al2O3 abrasion-resistant refractory material prepared through the method disclosed by the invention and the lining of a circulating fluidized bed boiler made of the SiC whisker toughened Al2O3 abrasion-resistant refractory material. The preparation method disclosed by the invention is low in cost and has low energy consumption; the prepared abrasion-resistant refractory material is good in abrasion resistance.

The invention discloses a rotary-wheel-type small sewage treatment device which comprises a horizontal cylindrical sewage sump, a main shaft and a motor, wherein the lower semicircle of the sewage sump is divided into five branch sumps by partition boards, and water inlets / outlets on the five sump partition boards sequentially keep falls; a stirring wheel, a first rotary wheel, a second rotary wheel and a third rotary wheel are sequentially fixedly arranged on the main shaft, and are respectively arranged on the first, second, third and fourth branch sumps; the three rotary wheels are formed by splicing a plurality of wedged cages with trapezoidal cross sections, wherein the top surface of each wedged cage forming the first and the second rotary wheels is opened, the front and rear end faces of each wedged cage are provided with stainless steel plates respectively, and bottom surface and two side faces are provided with stainless steel screens; longitudinal and transverse corrugated plates which are distributed alternately fill up each wedged cage; the front and rear end faces of each wedged cage forming the third rotary wheel are provided with stainless steel screens respectively, and the top surface, the bottom surface and two side faces are provided with stainless steel plates; moreover, each wedged cage is filled with wood fragment packing; and an annular water fender is arranged on the front end face of each rotary wheel. The device disclosed by the invention is small in occupied space, high in sewage treatment efficiency and durable in operation.

The invention discloses a method for degrading gelled resin. The method comprises steps as follows: (1) polyalcohol with the boiling point higher than 190 DEG C, a catalyst and an antioxidant are added to a reaction kettle and heated until the mixture is completely dissolved; (2) the gelled resin is added to the reaction kettle and heated to 190 DEG C to 280 DEG C and has a reaction under the condition of thermal insulation until a uniform solution is obtained; (3) a degradation solution is used for resin synthesis with a conventional process, and qualified resin is prepared. According to the ester exchange principle, gelled polyester or alkyd resin is degraded by adding more polyalcohol, a degradation product is used for synthesis of polyester or alkyd resin, the purpose of waste utilization is achieved, and the qualified polyester or alkyd resin is prepared. The gelled alkyd resin, the gelled and saturated polyester or the gelled, low-activity and unsaturated polyester is taken as a raw material, and the gelling substance state is suitable for the high-viscosity liquid state, an elastomer, a solid state and a layering state.

The invention relates to a method for producing autoclaved bricks from artificial stone plate wastes. The method comprises the steps of (1) taking the artificial stone calcium-aluminum plate wastes and quartz stone plates wastes out, mixing, sieving, and carrying out press filtering to obtain artificial stone wastes powder, wherein the water content of the wastes is controlled at 10% + / - 5% by press filtering; (2) weighing the following materials in parts by weight: 40-60 parts of artificial stone wastes powder, 10-20 parts of cement, 1-5 parts of activator, 5-10 parts of fly ash, 0.015- 0.03 part of an efficient water reducer, putting the above materials into a mixer, mixing, adding 5-11 parts of water, stirring uniformly to obtain a mixed material; (3) loading the mixed material into the mold, vibrating, molding under 20-30Mpa pressure, carrying out autoclave molding in an autoclave, curing, stripping and homogenizing. The strength and toughness of the autoclaved brick is improved by producing wall materials from industrial wastes according to the invention and double effects of environmental pollution and comprehensive and highly efficient utilization of wastes are reached.