33results about How to "Achieving a green cycle" patented technology

The invention discloses a core-shell polyacrylamide microsphere profile controlling oil displacement agent and a preparation method thereof. The method comprises the following steps: fully stirring and dissolving acrylamide, cationic monomer, a crosslinking agent and an initiator to synthetize a core part by adopting a dispersion polymerization method; fractionally adding a mixed solution of the acrylamide, anionic monomer, third monomer, the crosslinking agent and the initiator into a reaction device, controlling reaction conditions to be invariant, and reacting on the surface of the core to generate a shell part, thereby obtaining the core-shell polyacrylamide microsphere profile controlling oil displacement agent taking the cationic polyacrylamide as the core and taking the anionic polyacrylamide polymerized on the surface of the core as the shell, wherein the particle size range of the microsphere profile controlling oil displacement agent is from 1micrometer to100 micrometers. The microsphere profile controlling oil displacement agent has the advantages that the microsphere has an interpenetrating polymer network system and is capable of forming a viscoelastic body after absorbing water and forming a gel body after a certain time, so that the oil displacement agent is long in plugging time and little in leakage and is capable of bearing the pressure of more than 5MPa.

The invention discloses an aquaculture green ecological circulating system. The aquaculture green ecological circulating system comprises a crab breeding pond, an aquatic plant field, a fishpond, a lotus root field, a shrimp breeding pond, an orchard and a poultry breeding area, wherein the seven portions are separated through gullies. The aquaculture green ecological circulating system achieves green circulation of aquaculture, solves the problem of deterioration of the aquaculture environment, and guarantees the production benefit of planters, the land occupation is reduced, and the space utilization is improved.

The invention belongs to the technical field of polymer material synthesis and preparation, and discloses biodegradable aromatic-aliphatic copolyester and a preparation method thereof. The biodegradable aromatic-aliphatic copolyester disclosed in the invention has the a constitutional repeating unit as shown in the specification, wherein R1 is selected from groups as shown in the specification; R3 is selected from Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba or Ra; R4 is selected from Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba or Ra; R2 is selected from groups as shown in the specification; n=1-1000; p=0-11; q=2-13. According to the invention, binary acid or ester containing a sulfonate group is added, which effectively improves the hydrophilic performance of the copolyester, makes polyester plastics be easier to be adsorbed, decomposed, and absorbed by microbe such as bacteria and the like, and provides plastics with better biodegradability.

The invention relates to the field of ecological aquaculture, and discloses a stereoscopic ecological farm and a breeding method thereof. The structure of a main body of the farm and a roof rack are made by connection of light steel prefabricated parts. The roof rack is connected to the top of the structure of the main body of the farm and is formed by splicing two pieces of symmetrically-arranged roof rack units. The structure of the main body is divided into an upper-layer breeding area, a middle-layer fermentation area and a low-layer precipitation area. The breeding area is composed of relatively independent breeding houses. The fermentation area is composed of relatively independent fermentation houses. The fermentation houses correspond to the breeding houses in the upper layer. A hopper-shaped feces receiving tank is arranged below a feces leaking board of each breeding house. A filter net is arranged obliquely arranged in each hopper-shaped feces. The side board at the bottom end of each filter net is provided with a feces outlet and communicates with a feces conveying pipe. The fermentation area is connected with an earthworm breeding area. The earthworm breeding area is connected with a plantation area and an organic fertilizer fermentation area. A straw padding layer is laid in the fermentation area. A liquid dung conveying pipeline downwardly communicates with the low-layer precipitation area.

The invention relates to a ceramic membrane chemical cleaning system and method which are used for cleaning a ceramic membrane in a water treatment system. The chemical cleaning system comprises an online cleaning part, wherein the online cleaning part comprises a dosing pump and a sucking pump; the dosing pump is coupled onto the ceramic membrane arranged in a membrane pool by virtue of a pipeline, so as to inject a cleaning liquid into the ceramic membrane; the sucking pump is coupled onto the ceramic membrane by virtue of a pipeline, so as to discharge water from a back absorption membrane of the ceramic membrane; and the cleaning liquid on the ceramic membrane is discharged into the membrane pool in a sucking process. The system and method which are provided by the invention can be used for solving the problems of pollution of the ceramic membrane in a water treatment process, production of secondary pollutants by the cleaning liquid in a membrane cleaning process, secondary treatment of the membrane cleaning liquid, and the like.

The invention discloses a preparation method of a carbon-aluminum composite material. Cheap aluminum smelting waste residues are used as an aluminum source, wood waste is used as a carbon source, a physical activation method and a chemical activation method are combined, in the pyrolysis process, the aluminum source and the carbon source form a co-melt, and a safe and green carbon-aluminum composite material is obtained. In the forming process of the carbon-aluminum composite material, the aromatic hydrocarbon polymerization degree in the carbon-aluminum composite material is increased, the physical and chemical microstructure of the carbon-aluminum composite material is improved, the adsorption performance of the cheap carbon-aluminum composite material is improved, and energy regeneration and reduction of wood waste and harmless and recycling utilization of aluminum smelting waste residues are achieved.

The present invention discloses a new vinyl alkoxy silane preparation process, which is characterized in that hydrogen chloride produced during a preparation process is adopted as a reactant to synthesize an initial raw material trichlorosilane, the hydrogen chloride is recycled, and the byproduct bis(trialkoxy)silyl ethane is adopted as a reaction solvent during a hydrogen silicon addition process, such that the byproduct emission is reduced, the new impurity introduction is avoided, and the product purity is improved. According to the present invention, the new process has characteristics of stable production, simple preparation process, and mild reaction conditions, and the yield of the product vinyl alkoxy silane is high, and the product purity is more than 99%.

The invention relates to a membrane bioreactor process used in vitamin pharmaceutical wastewater treatment. Small-molecular organics in Vc wastewater is removed with a high-efficiency complex flocculant; through processes with flocculation and coagulation reactor, the material is subjected to a sedimentation treatment by using an inclined board sedimentation tank; clarified liquid enters JET LOOP MBR, and sludge is dehydrated and delivered out; wastewater is subjected to aerobic treatment in the JET LOOP MBR; with the membrane in MBR, suspended particles and organic large molecules are removed from the wastewater, and microbes are retained in the reactor. Water discharged from MBR enters Green line and UF; With Green line, sunlight is adopted as an energy, carbon capture is carried out with photosynthesis of algae species; absorption and decomposition are carried out, ammonia nitrogen and phosphorus are converted, and heavy metal and small molecules in discharged water are removed; with UF, superfluous and aged algae species are separated; a filtrate is subjected to active carbon absorption discoloration, such that partial COD and trace color are removed. The process provided by the invention has the advantages of simple operation, low energy consumption, no secondary pollution, and the like.

A method for preparing high-purity TiO2 from titanium concentrates through oxygen-enriched selective leaching comprises the following steps that (1) the titanium concentrates are broken, activated andplaced in an autoclave to be subjected to alkaline leaching through a sodium hydroxide solution, before alkaline leaching, oxygen is led into the autoclave firstly, and then heating and stirring areconducted; (2) filtering separation is conducted, and an alkaline decomposition product is washed to be prepared into alkaline decomposition slag materials; (3) the alkaline decomposition slag materials are subjected to acid leaching and hydrolyzation, seed crystals are added firstly, and then heating and stirring are conducted; and (4) filtering separation is conducted, acid-leached slag is washed and dried and then calcinated at 800-900 DEG C, and the rutile-type high-purity TiO2 is prepared. According to the method, the high-property material is easy to prepare, resource recycling is achieved, and energy conservation and emission reduction are achieved.

The invention discloses a spirulina-containing 3D printing wire material and a preparation method thereof. The 3D printing wire material comprises the following components in percentage by weight: 59-91% of matrix resin, 8-40% of spirulina and 0.05-2% of white oil. The preparation method comprises the following steps: (1), drying; (2), weighing materials; (3), kneading at high speed; (4), performing melt granulation; (5), performing melt extrusion; (6), cooling and drawing; (7), reeling; (8), printing into a specific structure by an FDM technology. According to the invention, a prokaryotic organism is introduced, the prokaryotic organism is rich in functional groups, can be bonded with dye molecules or heavy metal ions, and is low in price, and a porous supporting skeleton for tiny particles is prepared by the efficient and accurate FDM technology. The spirulina-containing 3D printing wire material is simple in preparation process and low in energy consumption, overcomes the defect ofsecondary pollution caused by the difficulty of separating an adsorbent from a solution after a dye is treated with polysaccharide in the forms of solution, powder, microspheres and gel when used as the adsorbent, has certain recycling performance, and realizes green circulation and efficient utilization of the material.

The invention discloses a chlorella-containing 3D printed wire and a preparation method thereof. The 3D printed wire is composed of 59-91 parts by weight of a base resin, 8-40 parts by weight of chlorella and 0.05-2 parts by weight of white oil. The preparation method comprises: (1) drying, (2) weighing, (3) high speed kneading, (4) melting granulation, (5) melt extrusion, (6) cooling traction, (7) coiling, and (8) printing of a specific structure based on a FDM technology. The preparation method utilizes a small-sized single-cell autotrophic organism which is rich in functional groups, can becombined with dye molecules or heavy metal ions and has a low price. Through an efficient and accurate FDM technology, a porous support skeleton of fine particles is prepared. The preparation methodis simple and realizes low energy consumption. The chlorella-containing 3D printed wire as an adsorbent solves the problem that after the polysaccharide in forms of a solution, powder, microsphere andgel treats the dye, the adsorbent is difficult to separate from the solution so that secondary pollution is produced. The chlorella-containing 3D printed wire realizes green circulation and high efficiency use.

The invention provides a foldable, floatable and navigational breeding net cage with the function of preventing escaping. The breeding net cage comprises an inspection channel, and the inspection channel is formed by connecting and unfolding multiple floatable boxes through hinges. A ship body is arranged below the center of the inspection channel, and a work island is arranged on the ship body. An inner circular ring is fixed to the periphery of the outer side of the work island, the inner circular ring structure and the inspection channel are connected through multiple steel trusses, and thesteel trusses can slidably move along the inner circular ring. An engine on the work island is detachably installed on the ship body, and connected with a propeller through a shaft. The bottom of a breeding net is closed, and the periphery of the top of the breeding net is hung on the whole floatable boxes. An ultrasonic generator is installed at the edge of the ship body and / or on the steel trusses, and gives out ultrasound to form an ultrasonic escaping-prevention isolation curtain, so that animals in the breeding net are prevented from escaping. Therefore, the breeding net cage has the advantages of being foldable, floatable, navigational and capable of preventing escaping.

The invention discloses an environmental-friendly and economical type hypophthalmichthys molitrix feed and a production method thereof. The environmental-friendly and economical type hypophthalmichthys molitrix feed is prepared from the following raw materials in parts by weight: 150-200 parts of out-of-date biscuits, 130-180 parts of out-of-date bread, 120-150 parts of out-of-date shrimp tasted bars, 120-140 parts of out-of-date potato chips, 80-100 parts of fish meal, 70-90 parts of bean, 20-30 parts of rice bran, 50-60 parts of silages, 15-20 parts of chicken bones, 5-10 parts of fish maws, 10-15 parts of shrimp heads, 5-10 parts of crab shells, 25-30 parts of Chinese cabbages, 20-25 parts of ipomoea aquatica forsk, 15-20 parts of turnip leaves, 10-15 parts of glutinous rice, 8-12 parts of black rice, 5-8 parts of millets, 2-3 parts of sesames, 4-5 parts of jasmine flowers, 1-2 parts of ginkgo kernels, 2-3 parts of angelica dahurica, 2-3 parts of pericarpium citri reticulatae, 3-4 parts of cinnamons, 1-2 parts of white pepper, 20-30 parts of seaweed meal, 10-15 parts of a phagostimulant and a suitable amount of water. The feed has the greatest feature that the out-of-date products and wastes including the chicken bones, the fish maws and the shrimp heads are creatively reutilized so that the wastes are changed into valuable things, and furthermore, the resources are saved and the pollution is reduced; and the reasonable utilization and the green circulation of the wastes are realized.

The invention discloses a method for improving the furnace age of a converter and belongs to the technical field of metallurgy. In order to improve the furnace age of the converter, the invention provides the method for improving the furnace age of the converter; the method comprises the following steps: adding dolomite into the converter; after blending semi-steel into the converter; blowing andadding active lime, dolomitic lime, an acidic composite slag forming agent and converter waste residues into the converter; controlling a lance position and oxygen blowing strength of an oxygen lanceand controlling the alkalinity of terminal-point furnace slag to 3 to 4, so as to obtain terminal-point molten steel and terminal-point slag. According to the method disclosed by the invention, the dolomite is used for producing the slag and the converter waste residues are added to replace part of metallurgy auxiliary materials, so that the content of TFe in the terminal-point slag is reduced, the tapping temperature is reduced and the terminal-point carbon content is improved; the furnace age of the converter is remarkably improved and the smelting effect is not influenced.

The invention discloses an algal residue containing 3D printing wire rod and a preparing method thereof. The 3D printing wire rod is prepared from 59-91 wt% of matrix resin, 8-40 wt% of algal residuesand 0.05-2 wt% of white oil. The preparing method includes the steps of firstly, conducting drying; secondly, weighing the materials; thirdly, conducting high-speed kneading; fourthly, conducting melting and granulating; fifthly, conducting melting and extruding; sixthly, conducting cooling and dragging; seventhly, conducting binding; eighthly, conducting printing through the FDM technology to form a specific structure. By introducing the residual biomass, the wire rod is rich in functionality group, can be combined with dye molecules or heavy metal ions and is low in price; the fine particleporous supporting framework is prepared through the efficient precise FDM technology. The wire rod as an adsorbing agent overcomes the defect that secondary contamination is caused when an adsorbingagent and a solution can hardly be separated after dyes are processed by polysaccharides in the forms of solution, powder, microspheres and gel; the wire rod has certain recycling performance, and thegreen circulation and efficient utilization of the material are realized.

The invention discloses a novel 'backpack type' reaction rectification process for preparing cyclohexanol by hydrolysis. The process comprises the following steps: placing backpack type reactors outside a rectification tower; continuously feeing cyclohexyl formate into the first backpack type reactor for hydrolysis reaction; feeding materials into the rest of the backpack type reactors from a former tower plate of the rectification tower; putting reaction products into the next tower plate of the rectification tower to obtain a product with the cyclohexanol mole fraction of 95 percent or above. The 'backpack type' reaction and the rectification tower are interrelated to and independent from each other, and the coupling mode can keep the advantages of a reaction rectification integrated technology and enable operation conditions of the reactors and the rectification tower to be independent from each other; therefore, the novel process is short in process flow, flexible in operation control, low in production cost and high in economic benefit; meanwhile, the volumes and the reaction amounts of the reactors can be freely adjusted, so that optimal matching between the reaction property and the separation capacity is realized, and large-scale industrial production is facilitated.

The invention discloses a process for preparing a sodium ferric manganese phosphate positive electrode material by recovering a titanium dioxide byproduct and purifying a ferrous sulfate solution, and further synthesizing the sodium ferric manganese phosphate positive electrode material, and belongs to the field of titanium dioxide waste liquid treatment and sodium ion batteries, the main component of titanium dioxide is ferrous sulfate heptahydrate, and in addition, the titanium dioxide is mixed with elements such as Ti, Mg, Zn and Cr. The method comprises the following steps: performing precipitation separation and impurity removal treatment on titanium dioxide to remove a large amount of impurity elements, oxidizing a purified ferrous sulfate solution into a mixed solution of ferric sulfate and manganese sulfate by using an oxidant permanganate containing a manganese source, and regulating the pH value of the solution to obtain manganese source and iron source raw materials for synthesizing the sodium ferric manganese phosphate material; and mixing with sodium dihydrogen phosphate, and firing to obtain the positive electrode material.

A kind of oxygen-rich selective leaching of titanium concentrate to prepare high-purity TiO 2 The method is carried out according to the following steps: (1) crush and activate the titanium concentrate, place it in an autoclave and perform alkali leaching with sodium hydroxide solution; before alkali leaching, first introduce oxygen into the autoclave, and then heat up and stir; (2) ) Filter and separate, wash the alkali decomposition product with water to make alkali decomposition slag; (3) Acid leaching and hydrolyze the alkali decomposition slag, first add seed crystals, then heat up and stir; (4) Filter and separate, wash and dry the acid leaching residue Calcined at 800-900°C to produce rutile-type high-purity TiO 2 . The method of the invention is easy to prepare high-performance materials, realize resource recycling, and save energy and reduce emissions.

The invention discloses a straight-through type narrow-pipe wind collecting wind power generation system which comprises an outer narrow pipe. An inner narrow pipe is overall sleeved with the outer narrow pipe, a conical sleeve is fixedly connected to the peripheral face of the inner narrow pipe, the wide head end of the conical sleeve is located at the tail of the outer narrow pipe, guide vanes are arranged on the conical sleeve, the inner narrow pipe and the conical sleeve are fixedly supported in the outer narrow pipe, an air outlet of the inner narrow pipe is an external expansion opening, a wake flow pipe is axially and fixedly connected to the air outlet end of the outer narrow pipe, an impeller and a power generator are installed in the wake flow pipe, the impeller is close to the tail of the outer narrow pipe, blades on the impeller rotate under the driving effect of wind power to drive the power generator to generate power, and an external expansion section is arranged on the wake flow pipe. According to the straight-through type narrow-pipe wind collecting wind power generation system, on the basis that the inner-pipe wind speed is effectively quickened, the wind power use rate can be further improved, and the efficiency of the power generator can be further improved; meanwhile, due to the arrangement of a fogging machine, fogging is achieved through self-supplying of green electric energy, haze and dust are finally reduced through fogging, the atmospheric environment is improved, and therefore application of the wind power generation system is expanded.

The invention relates to a membrane bioreactor process used in vitamin pharmaceutical wastewater treatment. Small-molecular organics in Vc wastewater is removed with a high-efficiency complex flocculant; through processes with flocculation and coagulation reactor, the material is subjected to a sedimentation treatment by using an inclined board sedimentation tank; clarified liquid enters JET LOOP MBR, and sludge is dehydrated and delivered out; wastewater is subjected to aerobic treatment in the JET LOOP MBR; with the membrane in MBR, suspended particles and organic large molecules are removed from the wastewater, and microbes are retained in the reactor. Water discharged from MBR enters Green line and UF; With Green line, sunlight is adopted as an energy, carbon capture is carried out with photosynthesis of algae species; absorption and decomposition are carried out, ammonia nitrogen and phosphorus are converted, and heavy metal and small molecules in discharged water are removed; with UF, superfluous and aged algae species are separated; a filtrate is subjected to active carbon absorption discoloration, such that partial COD and trace color are removed. The process provided by the invention has the advantages of simple operation, low energy consumption, no secondary pollution, and the like.

The invention discloses a KEE three-level biochemical filter which comprises a glass reinforced plastic tank; a first chamber is formed on the glass reinforced plastic tank; a waterproof motor is arranged on one side of the first chamber; a rotating shaft is fixedly arranged on an output shaft of the waterproof motor; a second chamber is formed on the glass reinforced plastic tank; the second chamber is located on the other side of the first chamber; one end of the rotating shaft away from the waterproof motor is successively penetrated through the first chamber and the second chamber and extends to one side of the second chamber away from the first chamber; two biological turntables are fixedly arranged on the outer side of the rotating shaft; the two biological turntables are respectively located in the first chamber and the second chamber; a secondary sedimentation tank is arranged in the glass reinforced plastic tank. A non-aerating system provided by the invention has the advantages of high efficiency, low consumption, labor-saving effect, beautiful appearance, land-saving effect, customization, durability, no odor, and the like; water treatment effect is excellent; treatmentcost is low; the requirements of customers can be quickly met; green recycling of water resource can be realized.

The invention provides a degradable and recyclable double-mounted straw for beverage packaging. The degradable and recyclable double-mounted straw comprises a silica gel plug, an external straw chute,an external straw, an internal straw guiding shaft, an internal straw and a valve-like port; and the silica gel plug includes a soft plug and a cover film, the soft plug is in seal fit with the external straw, the external straw and the internal straw are embedded in a sleeving manner, and the external straw chute and the internal straw guiding shaft achieve relative movement. The degradable andrecyclable double-mounted straw has the beneficial effects that the machining cost of raw materials can be effectively reduced; meanwhile, the problems of paper straw bending deformation and inner wall adhesion are solved, faster and large-amount suction of liquid is facilitated, the problems that the suction force is insufficient and paper straw dissolving is generated after long-time contact inthe drinking stage are solved, the external straw and the liquid keep separated all the time in the non-drinking stage, and the problem of paper straw dissolving in the non-drinking stage is solved; and environment-friendly circulation of all materials is realized in combination with other multi-angle design, and sorting and recycling are facilitated.

The invention relates to the field of garden systems, and discloses a garden ecological system which comprises a biogas lamp, a first biogas digester with an opening in one end, a communicating pipe arranged on one side of the first biogas digester, a second biogas digester communicated with the other end of the communicating pipe, a sealing plate arranged at the opening end of the first biogas digester, and a water tank arranged on the other side of the first biogas digester, a collecting door is arranged on the closing plate; the collecting door comprises a first door plate and a second door plate, a first rack is fixedly connected to one side of the first door plate, a second rack is fixedly connected to the same side of the second door plate and the first door plate, a driving gear is arranged between the first rack and the second rack, the driving gear is meshed with the first rack and the second rack, and the driving gear is connected with the driving part. The fallen leaf treatment device has the effect of effectively solving the problems that an existing fallen leaf treatment mode is relatively simple, and resources are wasted.

The invention provides a PRMH process for resource utilization of coal-based solid waste. The PRMH process comprises a raw material pretreatment system, a hot air system, a phase change homogenization system, a waste heat recovery hydrogen production system, a gas purification system, a CO2 conversion and utilization system and an inorganic product preparation system. The coal-based solid waste is subjected to raw material compatibility through product design index control, raw material standardization controllability and product performance stabilization are achieved, and a new process route is provided for large-scale, high-valued and green utilization of the coal-based solid waste.

The invention belongs to the technical field of polymer material synthesis and preparation, and discloses biodegradable aromatic-aliphatic copolyester and a preparation method thereof. The biodegradable aromatic-aliphatic copolyester disclosed in the invention has the a constitutional repeating unit as shown in the specification, wherein R1 is selected from groups as shown in the specification; R3 is selected from Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba or Ra; R4 is selected from Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba or Ra; R2 is selected from groups as shown in the specification; n=1-1000; p=0-11; q=2-13. According to the invention, binary acid or ester containing a sulfonate group is added, which effectively improves the hydrophilic performance of the copolyester, makes polyester plastics be easier to be adsorbed, decomposed, and absorbed by microbe such as bacteria and the like, and provides plastics with better biodegradability.