Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

74results about How to "Does not pollute the environment" patented technology

Cleaning and blockage relieving technology of gathering and transportation system for oil and natural gas field highly containing sulfuric acid

The invention relates to a cleaning and blockage relieving technology of a gathering and transportation system for natural gas field highly containing sulfuric acid. The cleaning and blockage relieving technology of the gathering and transportation system for the natural gas field highly containing the sulfuric acid comprises a three-section technology, including replacement deodorization, cleaning for blockage relieving and passivation protection. The main technology process comprises a first step of replacement deodorization: scavenging the gathering and transportation system by adopting nitrogen or purified natural gas to replace sulfur-containing gas therein so as to reach the safety standard, circularly filling and soaking the system with alkaline liquid, neutralizing for deodorization and passivating ferrous sulfide; a second step of cleaning for blockage relieving: circularly filling a sulfur scale dissolving and removing agent into the system for 2-6 hours so as to dissolve, disperse and remove corrosive scale and other sulfur-containing accumulated scale in pipelines, wherein the cleaning temperature is controlled within the range of 30 to 90 DEG C at this stage; and a third step of passivation protection: coating cleaned pipeline equipment with a passivating agent or a film forming agent for protection. With the adoption of the blockage relieving technology of the gathering and transportation system for the natural gas field highly containing the sulfuric acid, the inner-wall accumulated scale of the sulfur-containing gathering and transportation pipeline equipment can be completely cleaned away.
Owner:PUYANG BAOJIE WANJIA IND

Excretion fermented seedling compound fertilizer and preparation method thereof

The invention discloses an excretion fermented seedling compound fertilizer. The compound fertilizer is prepared from the following raw materials in parts by weight: 500-600 parts of livestock excretion, 120-140 parts of water hyacinth powder, 100-120 parts of castor stems, 100-120 parts of silkworm excrement, 100-120 parts of corn stalk, 80-90 parts of cottonseed cake, 40-50 parts of tobacco stems, 30-40 parts of pulverized fuel ash, 12-15 parts of river sand, 20-25 parts of calcium superphosphate, 15-20 parts of urea, 8-12 parts of potassium chloride, 1-2 parts of compound sodium nitrophenolate, 2-3 parts of copper sulfate, 6-9 parts of EM (effective microorganism) bactericide, 5-7 parts of microbial starter, 10-15 parts of soil conditioner, and a proper amount of water. The fertilizer adopts livestock excretion and the like as main raw materials through microbial fermentation, is rich in organic fertilizer, inorganic fertilizer and various nutrition, does not have toxic or side effect, does not pollute environment, can remarkably supply nutrition required by seedlings, can improve the soil structure, promote growth and development of seedlings, and improve the resilience of disease resistance, insect resistance, drought resistance, water logging resistance, cold resistance, salt alkali resistance, lodging resistance and the like.
Owner:ANHUI WANLI ECOLOGICAL LANDSCAPE

Method for separating free carbon from ultra-fine silicon carbide powder

The invention relates to a method for separating free carbon from ultra-fine silicon carbide powder. The method comprises the steps of: 1, placing the ultra-fine silicon carbide powder containing free carbon into a separating container, adding pure water and a separating agent, mixing, and keeping static for stratification; 2, pumping clear solution in Step 1 with a pump into a circulating container; 3, inserting an over-frequency vibratory rod into the ultra-fine silicon carbide powder layer for vibration; 4, scraping and collecting free carbon on the surface of sediment obtained after vibration in Step 3; and 5, pumping the clear solution which is pumped into the circulating container in Step 2 into the separating container again, repeating mixing and maintenance of the static state in Step 1, repeating Step 2, Step 3 and Step 4 until no obvious black aggregates exist on the surface of the ultra-fine silicon carbide powder, thereby completing separation of the free carbon from the ultra-fine silicon carbide powder. No hidden safety risks or environmental pollution can be caused in recovery of fine silicon carbide powder; and the process is simple and convenient to operate, the labor intensity of workers can be reduced, the working efficiency can be increased, the production cost can be decreased, and economic benefits and social benefits can be improved.
Owner:PINGDINGSHAN YICHENG NEW MATERIAL

Environmental-friendly casein insulating paste

The invention discloses an environmental-friendly casein insulating paste, which is prepared by adopting the steps of: adding water in casein for dissolving, regulating pH value to 7.5-8.0, enabling a solution to be integrally shaped as a colloid when stirring and raising the temperature to 55-65 DEG C, and continuously stirring at constant temperature until casein particles are completely dissolved; sequentially adding acrylate, starch, zinc oxide, urea, dimethyl oxidized silicone oil, paraffin oil and ethylparaben, stirring and raising temperature; after auxiliary materials are completely dissolved, raising the temperature to 80-85 DEG C, stirring at constant temperature for 30-45min, and keeping pH value between 7.5 and 8.0; reducing the temperature to 35-40 DEG C, and filtering to obtain milk white or light yellow uniform semi-transparent viscous fluid without impurities; and packaging, closely storing, and placing and ageing for 24-72h at normal temperature to obtain a finished product of the environmental-friendly casein insulating paste. The environmental-friendly casein insulating paste is prepared from the raw material of casein in the milk, has the characteristics of no toxicity, no taste, easy degradation, no pollution to environment, and the like, can be used for replacing chemically synthesized glue of epoxy resins, urea-formaldehyde resin adhesives, amino resins, polyvinyl alcohols, and the like, and can be widely applied to fields of electric appliances, laminated plates and the like.
Owner:甘肃省商业科技研究所有限公司

Multi-stage catalyzed sorption reactor

The invention discloses a multi-stage catalyzed sorption reactor which comprises a reactor body, catalyzed sorption beds, charging holes, discharge holes, gas inlets and a gas outlet, wherein the catalyzed sorption beds are fixed in the reactor body to divide the interior of the reactor body into independent catalyzed sorption spaces; the discharge holes are formed in the reactor body on the upper surfaces of the catalyzed sorption beds; the charging holes are formed in the reactor body in the middles of the independent catalyzed sorption spaces formed by the upper surfaces of the catalyzed sorption beds; the gas inlets are formed in the reactor body on the lower surfaces of the catalyzed sorption beds; and the gas outlet is formed at the upper part of the reactor body. The charging holes and the discharge holes are used for filling high-efficiency converted-sorption activated carbon desulfurizing agents; acid gas enters the reactor body through the gas inlets, and conducts sorption and catalysis with the high-efficiency converted-sorption activated carbon desulfurizing agents through the catalyzed sorption beds; the high-efficiency converted-sorption activated carbon desulfurizing agents convert sulfur-bearing matters in the acid gas to simple sulfur, simple sulfur is sorbed in micropores of a catalyst; and desulfurized tail gas is discharged out of the reactor body through the gas outlet of the reactor body.
Owner:JIANGSU HENGXIN ENERGY TECH

Secondary smelting method for producing magnesium-zirconium intermediate alloy

The invention discloses a secondary smelting method for producing a magnesium-zirconium intermediate alloy, which comprises the following steps of: adding 100 to 200 kg of potassium chloride into a pot, raising the temperature to between 880 and 910 DEG C in 25 to 35 minutes, and performing slagging-off; adding 60 to 195 kg of potassium fluozirconate with stirring by using a mechanical nickel rod, wherein the adding time is 10 to 30 minutes; when the furnace temperature reaches the temperature of between 880 and 910 DEG C, performing slagging-off again, and adding magnesium, wherein the addition of the magnesium is based on the weight ratio of K2ZrF6 to Mg of 1.2-1.5:1; after the magnesium is completely dissolved, spreading a protective flux, and stirring for 10 to 20 minutes by using the mechanical nickel rod, standing for 4 to 10 hours, cooling to normal temperature, and brewing by using vapor and cold water; and removing and washing the slag on the alloy, performing remelting refining and slagging-off at the temperature of between 680 and 700 DEG C, and finally ingoting and testing to obtain the finished product. The secondary smelting method for producing the magnesium-zirconium intermediate alloy has the advantages of simple operation, no environmental pollution, low content of impurities in the product, a few flux impurities, high effective content of zirconium and magnesium, fine components, high uniformity, and stable performance.
Owner:LOUDI XINGXIN ALLOY

Method of artificially restraining cladophora disaster from being generated in sea cucumber aquaculture pool

The invention discloses a method of artificially restraining cladophora disaster from being generated in a sea cucumber aquaculture pool. The method of artificially restraining cladophora disaster from being generated in the sea cucumber aquaculture pool has the following advantages: firstly, nutritive salt content in pond water is gradually increased by putting in biofertilizer such as fermentation chicken manure, meanwhile, micro algae in the sea cucumber aquaculture pool is enabled to keep superiority by putting in chlorella vulgaris; secondly, through mass propagation of floating algae, transparency of the pond water is reduced, sunlight can not shine into the bottom of a sea, the cladophora can not acquire enough sunlight so that the cladophora can not grow; the method of artificially restraining cladophora disaster from generating in the sea cucumber aquaculture pool is a full-biological method, free of environment pollution and harmless to aquaculture animals. Due to the fact that after the floating micro algae dies and subsides, the floating micro algae serve as bait of aquaculture sea cucumbers. The method of artificially restraining cladophora disaster from being generated in the sea cucumber aquaculture pool has the advantages of being green, environment-friendly and circulatory. Therefore, the method of artificially restraining cladophora disaster from being generated in the sea cucumber aquaculture pool has various advantages, particularly suitable for popularization and application in the field and broad in market prospect.
Owner:DALIAN OCEAN UNIV

Traditional Chinese medicinal preventer for Chinese prickly ash felt fungus

The invention provides a traditional Chinese medicinal preventer for Chinese prickly ash felt fungus and belongs to the technical field of agriculture. The traditional Chinese medicinal preventer for the Chinese prickly ash felt fungus is prepared from the following raw materials in parts by weight: 10-15 parts of madder, 5-8 parts of common andrographis herb, 4-6 parts of polygala tenuifolia, 3-4 parts of liquorice, 4-5 parts of Chinese gall, 6-8 parts of turmeric, 3-5 parts of rhizoma anemarrhenae, 4-6 parts of sweet wormwood herb, 2-4 parts of asarum, 1.5-3.0 parts of cortex dictamni, 1.8-2.5 parts of moutan bark, 2-3 parts of pericarpium granati, 4-5 parts of coptis chinensis, 5-7 parts of fructus cnidii, 4-6 parts of wild asparagus cochinchinensis, 3-5 parts of arisaema japonicum, 2-3 parts of garden balsam stem, 3-4 parts of pinellia ternate, 1-2 parts of tigridia pavonia, 4-6 parts of Chinese tallowtree leaves, 0.8-1.2 parts of sophora flavescens, 5-8 parts of thunder god vines, 1-2 parts of red-knees herb, 5-7 parts of purslane, 2-3 parts of ailanthus altissima and 6-8 parts of pyrethrum. The traditional Chinese medicinal preventer provided by the invention is nontoxic, has no residue and does not pollute the environment, the control efficiency is excellent by virtue of dual prevention and control of pathogenic bacteria basidiomycetes of the felt fungus and pathogenic bacterium symbiotic scale insects, and stress-resistant capability of Chinese prickly ash can also be enhanced, so that the yield and quality of the Chinese prickly ash are improved, and the traditional Chinese medicinal preventer provided by the invention has good economic benefit.
Owner:平凉锐博知识产权服务有限公司

Electric heating mechanical type micro-oil-gasification combustor

The invention relates to an electric heating mechanical type micro-oil-gasification combustor. The electric heating mechanical type micro-oil-gasification combustor comprises a four-head spiral groove gasification device, an air distribution barrel, a combustion stabilization device, an ignition gun, a mechanical atomization oil gun, a first oil inlet pipe and a second oil inlet pipe. The mechanical atomization oil gun comprises a gun rod and a rotational flow disc spray nozzle assembly. The gun rod comprises an inlet end and an outlet end. The rotational flow disc spray nozzle assembly is arranged at the outlet end of the gun rod. The mechanical atomization oil gun further comprises a base and a heating element. The base is arranged at the inlet end of the gun rod. The heating element is fixedly connected with the base and is located in an inner cavity of the gun rod. Cold fuel oil sequentially passes through the four-head spiral groove gasification device and the second oil inlet pipe through the first oil inlet pipe, enters an inner cavity of the gun cavity, and is heated through the heating element to form hot oil gas; the hot oil gas enters the rotational flow disc spray nozzle assembly, forms hot oil mist again, and is sprayed out. At the initial ignition stage, the combustion efficiency is high, and the problems that at the low-temperature cold state initial ignition stage, an existing electric heating mechanical type micro-oil-gasification combustor is prone to oil dripping and black smoke emission are solved.
Owner:YANTAI LONGYUAN POWER TECH

Process for treating radioactive wastewater

The invention discloses a process for treating radioactive salt-containing wastewater. The process comprises the following procedures: a heating procedure, a membrane distillation procedure, an evaporative crystallization procedure, a solid waste treatment procedure and a recycling procedure. The method specifically comprises the following steps: (1) introducing radioactive salt-containing wastewater into a heater for heating; (2) enabling the heated radioactive salt-containing wastewater to enter a membrane distillation process to obtain a concentrated solution and first condensed water; (3)introducing the concentrated solution obtained in the step (2) into an evaporation salt collection device for evaporative crystallization to generate steam and solid wastes, performing a solid waste treatment process on the obtained solid wastes, and then collecting radioactive solids; and (4) introducing the first condensed water obtained in the step (2) into a recycling process. According to theprocess, the solar energy utilization rate is increased through the heat collecting plate, the wastewater evaporation rate is increased through membrane distillation, and finally solid-liquid separation is achieved through the evaporation salt collecting device. The process greatly improves the natural evaporation rate, accelerates the wastewater treatment, and greatly reduces the energy consumption by using solar energy.
Owner:TIANJIN UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products