36results about How to "Moderate investment" patented technology

The invention discloses a comprehensive treating system for domestic wastes. Reutilizing comprehensive treatment for mixed wastes is realized by the system according to a comprehensive sorting technology and a combined anaerobic fermentation technology, wherein the advanced sorting techniques, such as, crushing, magnetic separating, sieving, air classifying, and the like, are adopted in the comprehensive sorting technology; reutilized products, such as metal, plastics, organic matters, and the like, are screened out; the screened organic matters are prepared into slurry together with sludge and excrements and are then subjected to the combined anaerobic fermentation; the reutilized products, such as methane, organic fertilizer, and the like, can be produced under the action of anaerobic fermentation; and after the methane is purified, the methane is used for generating power, domestic fuel or vehicle-mounted fuel. According to the technology, the intensified treatment for organic wastes, such as domestic wastes, sludge, excrements, kitchen wastes, and the like, can be realized. The comprehensive treating system is high in mechanical and automated degree. Compared with the prior art, the comprehensive treating system has the advantages of simplification, effectiveness, less labor power, and the like.

The invention relates to a system and a technology for recovering sodium nitrate from tin-containing waste liquid treatment tail water. The system for recovering sodium nitrate from tin-containing waste liquid treatment tail water comprises a waste water storage pool, a purification refining device, a multi-effect evaporator, a filter, a crystallization device, a centrifugal machine and a drying machine. The technology for recovering sodium nitrate from tin-containing waste liquid treatment tail water comprises the following steps of collecting tin-containing waste liquid treatment tail water, storing the collected tin-containing waste liquid treatment tail water in the waste water storage pool, feeding the tin-containing waste liquid treatment tail water in the waste water storage pool into the purification refining device to carry out purification refining, feeding the tin-containing waste liquid treatment tail water subjected to purification refining into the multi-effect evaporator, feeding steam into the multi-effect evaporator to carry out circulation evaporation, feeding the steam obtained by the previous step into the filter to carry out heat filtration, feeding the filtrate into the crystallization device to carry out crystallization to obtain crystals, carrying out centrifugation of the obtained crystals by the centrifugal machine to obtain solid slag and a mother solution, transferring the solid slag to the drying machine to carry out drying to obtain a sodium nitrate finished product, and feeding the mother solution back to the waste water storage pool for recycle. The system for recovering sodium nitrate from tin-containing waste liquid treatment tail water has the advantages of relatively low recovery cost, simple and convenient operation management, long-term and stable operation and no discharge of pollutants.

The invention belongs to the technical field of inorganic non-metallic nano-micron powder material, and specifically relates to a production method of nanometer submicron silicon powder; nanometer spherical silicon is highly used for a high-energy-density silicon carbon negative electrode material of a lithium ion battery, so that energy ratio of the lithium ion battery is improved; therefore, forsolving the problems of low yield per unit, high cost and low quality of the existing nanometer silicon powder production method, particularly the problem in nanocrystallization of the silicon material in the high-energy-density silicon carbon negative electrode material of the lithium ion battery, a novel high-temperature gasification physical production method is provided; according to the method, polysilicon, monocrystal silicon or metal silicon powder are selected as the raw materials, and the nanoscale or submicron-scale spherical silicon powder is obtained through electric power heating-laser composite heating, high-temperature gasification, silicon evaporation high-temperature growth, cooling and collecting. By adoption of the production process, high-purity and high-quality nanometer silicon powder can be produced, wherein the grain diameter is in nanoscale (5-100nm) and submicron scale (0.1-10[mu]m), and the granularity can be accurately controlled; and in addition, the production process is less in waste gas, free of waste water and solid waste emission, and meanwhile, the production method is moderate in investment, high in yield and can be applicable to large scale production.

The invention discloses a biochemical treatment device and for wastewater generated in production of polyester resin. The biochemical treatment device comprises an oil separator, a service reservoir, an internal circulating supporter-reinforced anaerobic jar, a biological contact oxidation pond, a facultative tank, an internal circulating anaerobic fluidized bed reactor, a membrane biological reactor (MBR) reaction tank, a clean-water reservoir, an automatic control device and a computer. The biochemical treatment device selectively degrades toxic organic matters in the polyester resin production wastewater through various treatment units, so as to greatly improve biochemical treatability of non-biodegradable organic matters, and the biochemical treatment device regulates and controls various functional microorganisms to synergistically degrade high-concentration toxic and harmful organic matters; meanwhile, the biochemical treatment device regulates water quality and quantity as well as sludge by virtue of the various treatment units, so as to provide the optimal growth condition for microorganisms having different functions and realize standard treatment of various pollutants of the wastewater. The biochemical treatment device is high in automation degree, convenient to manage, adapted to large fluctuation of water quality, stable and reliable in treatment effect, and can treat non-degradable biochemical wastewater.

A process for preparing nanometer-level powder includes such steps as preparing micro-class raw material, low-temp freezing to its critical breaking point, and high-speed airflow impact. Its advantages are no secondary pollution and high purity.

The invention discloses a preparation method of gardenia blue pigment. The preparation method comprises the following steps: (1) preparing a cape jasmine leaf culture medium, namely, preparing a solid culture medium and preparing a liquid culture medium; (2) preparing aspergillus liquid seeds, namely, preparing primary seeds, secondary seeds and tertiary seeds; (3) inoculating and fermenting: carrying out liquid-solid bi-directional fermentation and liquid fermentation; (4) carrying out enzymolysis on geniposide: carrying out enzymolysis for liquid-solid bi-directional fermented substance and a liquid fermented substance; (5) generating and purifying the gardenia blue pigment. The geniposide aglycone and ammonia acid are condensed to generate the gardenia blue pigment by adopting the heating of the ammonia acid, the pigment purification is carried out by utilizing a resin column, finally the black blue powder is obtained, i.e. the gardenia blue pigment with color value more than 190 (E1%1cm 590nm). The gardenia blue pigment is produced by adopting the cape jasmine leaves, so that the production cost is greatly reduced; the process is simple and stable, the investment on the production equipment is variable, the flexibility in production can be realized, and the preparation method is suitable for the enterprise investment of various scales.

The present invention discloses a sweet orange and chaenomeles speciosa fruit drink preparation method. The sweet orange and chaenomeles speciosa fruit drink includes 68.6 v / v%-70.5 v / v% of orange juice, 11.4 v / v%-11.5 v / v% of chaenomeles speciosa fruits, 6 w / v% of sugar, 0.2 w / v% of citric acids, 0.15 w / v% of stabilizer and 18 v / v%-20 v / v% of water. The preparation method comprises juicing, blending, homogenizing, degassing, sterilizing, filling and other steps. The sweet orange and chaenomeles speciosa fruit drink is moderate in sweetness and sourness, has special fragrances of Newhall navel oranges and chaenomeles speciosa fruits in Yunnan province and a double nutrition of the navel oranges and chaenomeles speciosa fruits and is high in nutritional value. The preparation process is simple.

The invention discloses a biochemical treatment device and for wastewater generated in production of polyester resin. The biochemical treatment device comprises an oil separator, a service reservoir, an internal circulating supporter-reinforced anaerobic jar, a biological contact oxidation pond, a facultative tank, an internal circulating anaerobic fluidized bed reactor, a membrane biological reactor (MBR) reaction tank, a clean-water reservoir, an automatic control device and a computer. The biochemical treatment device selectively degrades toxic organic matters in the polyester resin production wastewater through various treatment units, so as to greatly improve biochemical treatability of non-biodegradable organic matters, and the biochemical treatment device regulates and controls various functional microorganisms to synergistically degrade high-concentration toxic and harmful organic matters; meanwhile, the biochemical treatment device regulates water quality and quantity as well as sludge by virtue of the various treatment units, so as to provide the optimal growth condition for microorganisms having different functions and realize standard treatment of various pollutants of the wastewater. The biochemical treatment device is high in automation degree, convenient to manage, adapted to large fluctuation of water quality, stable and reliable in treatment effect, and can treat non-degradable biochemical wastewater.

The invention discloses a comprehensive treating system for domestic wastes. Reutilizing comprehensive treatment for mixed wastes is realized by the system according to a comprehensive sorting technology and a combined anaerobic fermentation technology, wherein the advanced sorting techniques, such as, crushing, magnetic separating, sieving, air classifying, and the like, are adopted in the comprehensive sorting technology; reutilized products, such as metal, plastics, organic matters, and the like, are screened out; the screened organic matters are prepared into slurry together with sludge and excrements and are then subjected to the combined anaerobic fermentation; the reutilized products, such as methane, organic fertilizer, and the like, can be produced under the action of anaerobic fermentation; and after the methane is purified, the methane is used for generating power, domestic fuel or vehicle-mounted fuel. According to the technology, the intensified treatment for organic wastes, such as domestic wastes, sludge, excrements, kitchen wastes, and the like, can be realized. The comprehensive treating system is high in mechanical and automated degree. Compared with the prior art, the comprehensive treating system has the advantages of simplification, effectiveness, less labor power, and the like.

The invention provides a rubber internal mixing waste gas treatment system which comprises an oil smoke filter, a spray washing tower, a demisting device, an activated carbon adsorption bed, a VP neutralization and deodorization mixing box and a chimney which are sequentially connected, and the activated carbon adsorption bed is further connected with a catalytic combustion device. The system can effectively purify and treat waste gas generated during rubber and plastic production.

The invention relates to a method for extracting chlorogenic acid from chufa. The method comprises the following steps: utilizing the remained waste chufa peel and buds of processing chufa starch or chufa cans, pulping, adding an extracting agent, preparing a crude extracting liquid, preparing a refined extracting liquid, concentrating, drying and refining to prepare chlorogenic acid, wherein thechlorogenic acid is a white powder, the content of the chlorogenic acid is 50 to 100 percent, and the contents of oligosaccharide, polysaccharide, cinnamic acid derivatives, flavones and the like are0 to 50 percent. Compared with the traditional production method for extracting the chlorogenic acid by taking honeysuckle as raw materials, the method has the advantage of greatly reducing productioncost. On one hand, the cost of the raw materials is about 300 Yuan per kilogram when the honeysuckle serves as the raw materials to conduct process in the traditional method, but the method does nothave raw material cost; and on the other hand, environmental pollution caused by processing of waste is avoided, and many things are achieved at one stroke. The process is simple and convenient, stable, controllable in investment scale of production equipment, flexible in production and suitable for investment of all sizes of enterprises.

The invention is a regenerated corrugated raw paper manufacturing method, its main technical flows: mix import waste paper with internal waste paper, pulp by pulping engine, desand by high concentration desander, screen by fiber separator, desand by high concentration desander, screen by low concentration pressure sieve, desand by low concentration desander, condense by condenser, mill and pulp by medium concentration hydraulic disc, screen by pressure sieve, make by paper machine and spray papermaking chemical assistant when molding and cut by winder. The added quantity of import waste paper is 40-55% of total weight of the mixed waste paper. It changes traditional low concentration pulping technique. The technique is designed reasonably, and can effectively heighten the physical strength of the regenerated corrugated raw paper, reduce the raw material cost and be applied to medium-scale production.

The invention discloses a preparation method of gardenia blue pigment. The specific process steps are as follows: (1) preparation of gardenia leaf medium, including preparation of solid medium and liquid medium; (2) preparation of liquid seeds of Aspergillus, including preparation of primary, secondary and tertiary seeds; (3) inoculation Fermentation, including liquid-solid two-way fermentation and liquid fermentation; (4) Enzymatic hydrolysis of gardeniside, including liquid-solid two-way fermentation and liquid fermentation; (5) Gardenia blue pigment generation and purification. The gardenia aglycone and amino acid are condensed by adding amino acid to form gardenia blue pigment, and the pigment is purified by resin column, and finally a blue-black powder is obtained, which is the gardenia blue pigment with a color value greater than 190 (E1%1cm 590nm). The invention utilizes the gardenia leaves to produce the gardenia blue pigment, which greatly reduces the production cost; the process of the invention is simple and stable, the investment in the production equipment can be large or small, and the production is flexible, and is suitable for the investment of enterprises of various scales.

The present invention discloses a method for separating zinc contained material from blast furnace gas dry precipitator dust, and the pretreatment for the blast furnace gas dry precipitator dust achieves the purpose of reducing dezincing load at the terminal of the blast furnace gas dry precipitator dust. The key points are that the blast furnace gas dry precipitator dust is absorbed into the main machine of an air classifier through negative pressure with a vacuum degree of 0.4 to 0.6 kgf / cm<2> which is produced by a Roots blower. Self shunt can be realized in a gravity field, most of thick grains deposit on the bottom part of the classifier, the rotating speed of the classified wheel of the classifier main machine can be adjusted within a scope of 2000 rpm to 9000 rpm, the supply air volume is also adjusted, a secondary assorted cut is performed on the fine grained precipitator dust, and a high zinc contained precipitator dust accounting for 10 to 30 percent of the inlet amount can be cut out, and the high zinc contained precipitator dust can be packed by a packaging machine for other treatment after being collected. The method for separating zinc contained material from blast furnace gas dry precipitator dust provided by the present invention can be used for recycling low zinc ash of which low zin cash is no less than 75 percent and the total content of zinc is less than 1 percent, and is applicable to pretreatment for dezincification of the blast furnace gas dry precipitator dust, and zinc accumulation during the reusing process of high zinc contained precipitator dust is reduced.

The invention relates to a saline-alkali soil irrigation and drainage ecological improvement method, comprising two parts, namely a composite gridded underground drainage brine discharging system and a water-saving irrigation washing system. The composite gridded underground drainage brine discharging system is formed by the way that a gridded drainage brine discharging network composed of a water absorption tube (branch drain pipe) and a blind drain is arranged below a saline-alkali soil layer, and salty underground water and washing influent seepage are discharged outside an improved regionby virtue of two paths, namely the blind drain, the water absorption tube (the bran drain pipe), a collector pipe (main drain pipe) and the water absorption tube as well as the collector pipe; and the water-saving irrigation washing system is in charge of washing salinity in soil by adopting one or more than two measures of partition irrigation, estuarine rotation irrigation and intermittent irrigation. By adopting the method provided by the invention, the saline-alkali soil can be uniformly and efficiently improved, water resource can be saved, improvement time can be reduced, and better social, ecological and economic benefits can be achieved.

The invention relates to a method for processing and modifying lignite or long-flame coal to prepare coal-water slurry. The method comprises the following steps: (1) providing lignite or long-flame coal with a particle size less than or equal to 10mm and a water content of 12-20% (2) process and modify the lignite or long-flame coal provided in step (1) under normal pressure and inert gas protection to obtain modified coal, the temperature of the treatment is 250-375 ° C, and the residence time is 45 ~ 90 minutes; and (3) cooling the modified coal obtained in step (2) to below 80°C under the protection of an inert gas, taking out the cooled modified coal and grinding until the particle size is less than or equal to 0.2mm, adding water to prepare CWS. The method provided by the invention has the advantages of moderate investment, energy saving and consumption reduction in operation, and high slurry concentration, and is especially suitable for making lignite or long-flame coal into high-concentration coal-water slurry.

The invention relates to a method for fast and efficient improvement greening of coastal saline soil. The method comprises a step 1) of digging a planting trough, a step 2) of laying a horizontal salt drainage system; a step 3) of laying a vertical salt drainage ventilation system; a step 4) of performing soil structure improvement; a step 5) of performing irrigation leaching and a step 6) of performing soil fertility improvement and nursery stock transplanting maintenance. According to the method, the leaching efficiency and a desalting effect of the coastal saline soil are improved. By adoption of the method, horizontal and vertical motion of irrigation leaching water in soil can be improved, irrigation leaching water salt leaching efficiency and drainage and desalting efficiency of the horizontal and vertical salt drainage systems are improved, and the saline soil improvement time is shortened.

The invention relates to a method for extracting chlorogenic acid from chufa. The method comprises the following steps: utilizing the remained waste chufa peel and buds of processing chufa starch or chufa cans, pulping, adding an extracting agent, preparing a crude extracting liquid, preparing a refined extracting liquid, concentrating, drying and refining to prepare chlorogenic acid, wherein thechlorogenic acid is a white powder, the content of the chlorogenic acid is 50 to 100 percent, and the contents of oligosaccharide, polysaccharide, cinnamic acid derivatives, flavones and the like are0 to 50 percent. Compared with the traditional production method for extracting the chlorogenic acid by taking honeysuckle as raw materials, the method has the advantage of greatly reducing productioncost. On one hand, the cost of the raw materials is about 300 Yuan per kilogram when the honeysuckle serves as the raw materials to conduct process in the traditional method, but the method does nothave raw material cost; and on the other hand, environmental pollution caused by processing of waste is avoided, and many things are achieved at one stroke. The process is simple and convenient, stable, controllable in investment scale of production equipment, flexible in production and suitable for investment of all sizes of enterprises.

The invention discloses a process for preparing gardenia iridoid glycosides from the leaves of gardenia plants. The specific process steps are as follows: (1) add beating agent to fresh gardenia leaves, or add extractant to dried gardenia leaf powder to make gardenia leaf slurry; (2) wash gardenia leaf slurry Stir and wash with the agent for more than one time, then filter or centrifuge, combine and retain the supernatant or filtrate to obtain the active ingredient extract of gardenia iridoid glycosides; (3) Concentrate the extract and elute it on a chromatographic column to obtain Gardenia iridoid glycoside compound, off-white or white powder, of which geniposide is 20-99.9%. The method of the invention can prepare a large amount of gardenia iridoid glycoside compounds mainly composed of geniposide at low cost. The present invention utilizes gardenia leaves to produce gardenia iridoid glycoside active ingredients, which can greatly reduce the production cost compared with the traditional production method using gardenia fruit as raw material, and the raw material cost is only 1 / 50 of the traditional cost.

The invention relates to a technological method for simultaneously preparing both the hibiscus vegetable gum and hibiscus sodium copper chlorophyllin from hibiscus leaves. The used raw material is fresh hibiscus leaves or fresh hibiscus leaves which are wastes of the production of traditional Chinese medicine hibiscus bark. The specific preparation steps are as follows: 1, mixing and pulping the fresh hibiscus leaves and a pulping agent; 2, performing centrifugation and precipitation on hibiscus pulp or filtering the hibiscus pulp to obtain residues, mixing the residues with an extractant, centrifuging or filtering, and merging the supernates or filtrates of the two-time centrifugation, so as to obtain a hibiscus chlorophyll extracting solution, and precipitates or filtration residues at the same time; 3, washing and drying the precipitates or filtration residues, so as to obtain the hibiscus vegetable gum; 4, performing extraction, saponification, copper ion substitution and impurity-removing procedures on the hibiscus chlorophyll extracting solution, so as to obtain the hibiscus sodium copper chlorophyllin. According to the invention, the hibiscus leaves are used for producing the hibiscus vegetable gum and hibiscus sodium copper chlorophyllin, so that wastes of the production of medicinal materials are turned into wealth; the hibiscus sodium copper chlorophyllin as a byproduct is also obtained, the yield of the hibiscus vegetable gum is increased by 30% above, and the energy consumption is reduced by 90% above.

The invention discloses a saline-alkali soil improving method by engineering-chemistry-biology-desalination and water conservation-information technology. The saline-alkali soil improving method includes steps of S1, lowering salt content in the saline-alkali soil to be treated gradually by engineering measures and isolating and discharging soluble salt in the soil; S2, reasonably utilizing water resource of the saline-alkali soil to be treated by brackish water desalination technology; S3, reasonably irrigating the saline-alkali soil to be treated by water-saving irrigation technology; S4, online detecting the saline-alkali soil to be treated by information technology; S5, improving chemical components of the saline-alkali soil to be treated by chemical measures; S6, finally improving the saline-alkali soil to be treated by biotechnology measures. The saline-alkali soil improving method provides a feasible, economic and efficient scheme for improving the saline-alkali soil in coastal regions, improvement time is short, effect is good and no backflow is caused after improvement.