65results about How to "Play a role in reducing" patented technology

The invention provides a dephosphorization and denitrification, mud decrement and phosphorus recovery integrated sewage treatment device and a method thereof. The method adopts processes of hydrolysis acidification, multilevel series contact aeration and dephosphorization and denitrification A<2>/O of continuous flow, and comprises the following steps that: a hydrolysis acidification unit is used to treat raw sewage and a little anaerobic phosphorus releasing sludge to realize conversion of VFA; clear solution rich in the VFA after hydrolyzed supplies rich carbon sources for a subsequent dephosphorization and denitrification A<2>/O unit to reinforce synchronous dephosphorization and denitrification; and low concentration phosphorus in the sewage is enriched in the anaerobic phosphorus releasing sewage by the excessive phosphorus absorption capability of a phosphate accumulating organism, and the minor part of phosphorus enriched sewage is drained to carry out chemical phosphorus solidification. The dephosphorization mode can significantly reduce sewage quantity of chemical dephosphorization, improve the utility ratio of a dephosphorizing medicament, reduce dosage of the medicament, has high phosphorous amount in the obtained chemical sludge, and realizes recycle of the middle and low concentration phosphorus in urban sewage by the mode of non residue sludge under a condition of low cost. Sludge decrement can be realized through biofacies separation of a multilevel series contact aeration tank and the function of microorganism predation grade by grade.

The invention relates to a preparation method of M-phase vanadium dioxide. The preparation method comprises the following steps of preparation of a precursor and hydrothermal crystallizing, and is characterized in that the prepared precursor is directly subject to hydrothermal crystallizing without separation. A preparation method of the precursor comprises one of the following steps of (A) dissolving soluble vanadium salt into water, adding a reductant, heating to evaporate out solvent after reaction is finished, adding water, and dispersing by ultrasonic waves, so as to obtain precursor dispersing liquid; (B) adding the soluble vanadium salt and a complexing agent into water, and dissolving to form a complexing precursor. The preparation method has the advantages that no gas is produced in the hydrothermal crystallizing process, so that the solid content of the precursor after hydrothermal treatment is high; the preparation method is suitable for industrial scaled production, the production cost is directly reduced, the production efficiency is improved, and the requirements of actual application are met.

The invention relates to a degrading treatment system, in particular to a treatment system for degrading kitchen garbage through phase-change water production and a treatment method of the system, andbelongs to the technical field of environmental protection. The system comprises a box body, an intelligent control system and garbage. A garbage biodegradation bin for decomposing garbage is arranged in the box body. A garbage feeding opening extending upwards to the upper portion of the box body is formed in the upper portion of the garbage biodegradation bin. The garbage enters the garbage biodegradation bin through the garbage feeding opening. According to the treatment system for degrading the kitchen garbage through phase-change water production and the treatment method of the system, treated waste water reaches the emission standard, and the functions of reducing the garbage amount and protecting environment are achieved.

The invention relates to a degradation treatment system, in particular to a domestic kitchen waste phase change water production degradation treatment system and a treatment method thereof, and belongs to the technical field of environmental protection. The treatment system comprises a box body, an intelligent control system and garbage, a garbage mincing bin, a garbage filtering bin and a garbagebiodegradation bin are arranged in the box body, the garbage mincing bin communicates with the garbage filtering bin, the garbage filtering bin communicates with the garbage biodegradation bin, and the intelligent control system controls the garbage mincing bin, the garbage filtering bin and the garbage biodegradation bin. Treated wastewater reaches the drainage standard, and the functions of reducing the garbage and protecting the environment are achieved.

The invention discloses a sintering furnace for powder metallurgy products. The sintering furnace is composed of a sintering furnace feeding section 1, a sintering furnace sintering section 2, a sintering furnace cooling section 3 and a bracket 4. The sintering furnace for powder metallurgy products has the advantages of simple structure and small occupation space and is convenient to operate. Because carbinol is used for replacing liquid ammonia, the sintering furnace generates no pollution and no harm to a human body and is safe and reliable to use. The sintering furnace has the functions of protecting metallurgy sintering products, preventing products from being oxidized, preventing the products from decarbonising and has carburization effect on the products, and generated H2O can reduce the products in the sintering process.

The invention discloses a full-wet recovery process of waste lithium batteries. The full-wet recovery process comprises the following steps of wet charged crushing, direct leaching of battery scraps,in-situ impurity removal of leachate, deep impurity removal, material re-preparation and the like. The process can realize recovery of waste lithium ion batteries through a short process, and has theadvantages of high recovery rate of nickel, cobalt, manganese and lithium element, low equipment investment, small waste gas and waste water yield and the like.

The invention discloses an environment-friendly plate deodorant. The raw materials comprise the following components in parts by weight: 10 to 12 parts of absolute ethyl alcohol; 20 to 25 parts of multi-ionized water; 11 to 13 parts of a surfactant; 12-14 parts of a plant extract, 5-7 parts of a stabilizer, 8-10 parts of calcium lactate, 20-22 parts of nano carbon powder, 12-15 parts of sodium chloride, 6-8 parts of a dispersing agent, 10-12 parts of trimethylolpropane, 12-15 parts of polyacrylate, 7-10 parts of polyvinyl alcohol, 18-20 parts of titanium dioxide and 12-14 parts of silicon dioxide. The invention relates to the technical field of deodorant production. According to the invention, plant extracting solution extracted from a plant extract is added into the deodorant, the surfaceof the plate can be reduced to a certain extent while peculiar smells are removed, the plate deodorant can rapidly and effectively permeate into the plate, so that the protection effect is achieved,meanwhile, titanium dioxide and silicon dioxide can achieve long-acting sterilization, antibiosis and harmful gas decomposition, the surrounding air quality is greatly improved, and the environment-friendly requirement is met.

The invention discloses a novel rainwater garden. The rainwater garden comprises a covering layer and a gravel layer from top to bottom; the novel rainwater garden further comprises a mixing layer which is located between the covering layer and the gravel layer, the mixing layer comprises a biochar material and soil, and the biochar material comprises 55%-65% of carbon, 35%-40% of organic matter and 5%-10% of nutrient elements. The novel rainwater garden has the advantages of being good in purification effect, capable of turning waste to wealth and the like.

The invention relates to the field of water drinking containers and discloses an intelligent rich-hydrogen sports bottle. The intelligent rich-hydrogen sports bottle comprises a bottle body, a bottle bottom and a bottle cap. The bottom of the bottle bottom is provided with a cavity, a circuit board and a power supply battery are mounted in the cavity, and a master control unit, a GPS (global positioning systems) chip and a Bluetooth module are integrated on the circuit board. A temperature and humidity sensor, a display, a key, a USB (universal serial bus) interface and a speaker are mounted on the outer wall of the bottle bottom, and a hydrogen storage filter element is arranged at the top of the bottle bottom. A sports monitoring sensor is fixed in the bottle body, and the master control unit is connected with the GPS chip, the Bluetooth module, the temperature and humidity sensor, the sports monitoring sensor, the display and the USB interface to realize data interaction. The intelligent rich-hydrogen sports bottle has advantages that by adoption of the hydrogen storage filter element for replacement of an electrolysis portion, rich-hydrogen water can be generated without electricity consumption; by addition of intelligent design aiming at sports people, sports conditions of a user can be monitored in real time to further judge dehydration data of the user, and the user is reminded of timely water replenishing.

The invention discloses a method for leaching cobalt by synergetic reduction of cobalt ores. The method comprises the following steps: (1) mixing an acid solution containing ferrous ions or containingferrous ions and ferric ions with cobalt ores to react to generate first reaction liquid, and adding a reducing agent to the first reaction liquid to react to obtain second reaction liquid; and (2) performing liquid-solid separation on the second reaction liquid obtained in the step (1) to obtain leaching liquid containing cobalt ions. The reducing agent includes one or more of sulfur dioxide, sodium sulfite and sodium metabisulfite. The method is characterized in that the ferrous ions and the reducing agent are subjected to synergetic leaching from the acid environment, and the ferrous ionsreact with trivalent cobalt in the cobalt ores to generate divalent cobalt which can be dissolved in the acid solution, thereby being favorable for leaching of cobalt.

The invention discloses a soil improvement synergistic compound fertilizer suitable for cherry planting, and belongs to the technical field of cherry planting. The soil improvement synergistic compound fertilizer comprises the following raw materials in parts by weight: 80-100 parts of poultry manure, 60-80 parts of straw, 30-50 parts of humic acid, 10-20 parts of urea, 2-5 parts of potassium dihydrogen phosphate, 1-4 parts of zinc sulfate, 2-3 parts of calcium superphosphate, 1-3 parts of borax, 3-6 parts of amino acid chelated manganese, 0.5-2 parts of fulvic acid, 0.5-2 parts of diethyl aminoethyl hexanoate, 0.5-2 parts of compound sodium nitrophenolate, 0.5-2 parts of alpha-sodium naphthalene acetate and 3-8 parts of a biological bacterial agent. According to the invention, the soil improvement synergistic compound fertilizer is used for topdressing after cherry planting; and through mutual cooperation of the components, the utilization rate of the fertilizer is high, mutual promotion is achieved, absorption of nutrient substances by cherries is facilitated, the growth rate of the cherries is increased, the number of pathogenic fungi around roots and leaves of the cherries is reduced, and the living environment of the cherries is improved, so that the yield of the cherries can be effectively increased, and good economic benefits are achieved.

The invention relates to a method for increasing the utilization rate of petroleum-contaminated soil through miscanthus sinensis, biochar and pig raising wastewater. A biochar composite material mixed with the pig raising wastewater is added in the petroleum-contaminated soil; meanwhile the moisture content of the soil is adjusted, and the soil is stirred moderately to improve the permeability and water-holding capacity of the soil and improve the N and P contents; and on the basis, the energy plant miscanthus sinensis is planted to further improve the using efficiency of the petroleum-contaminated soil. By measuring and calculating the survival rate of the miscanthus sinensis and biomass of the soil as well as the total petroleum hydrocarbons content change in the soil, it is shown that according to the method, the utilization efficiency of the petroleum-contaminated soil is improved effectively, and the energy plant with the high yield and energy is gained; and meanwhile resource utilization of agricultural waste and the pig raising wastewater is achieved, and the method is simple and feasible and without secondary pollution.

The invention discloses a preparation method of an AuCu bimetallic electrocatalyst with a pentagram structure. The preparation method comprises the following steps: dissolving a surfactant and glucosein distilled water, stirring overnight, adding copper chloride and a tetrachloroauric acid hydrate, uniformly mixing, reacting in an oil bath at 100-150 DEG C for 30 minutes to obtain a black red, uniform and stable solution, and washing with absolute ethyl alcohol for multiple times to obtain the AuCu alloy catalyst with the pentagram structure. The synthesized bimetallic electrocatalyst with the pentagram structure is simple in synthesis method, mild in reaction condition, high in reaction efficiency and low in energy consumption. Compared with single metal, the cost can be reduced, the reduction potential is reduced, and the selectivity is improved, thereby improving the electrocatalytic performance of the catalyst.

The invention relates to an intelligent negative hydrogen ion water cup, which comprises a cup cover, a cup body, a cup bottom and a coaster detachably connected to the bottom of the cup from top to bottom. A display screen is arranged in the middle of the bottom of the cup, and a lithium battery is arranged on the side. With the charging port, there is a filter material inside, and a TDS water quality detection module is built in the bottom of the cup. The invention is simple and convenient to operate. The intelligent hydrogen-rich cup adopts an intelligent chip, which can monitor the real-time temperature of the water in the cup in real time. The TDS sensor can monitor the water quality change of the water in real time; the timer can provide real-time time display for the user; the capacitive touch button , more beautiful and safer; you can set reminders to drink water to remind users to drink water regularly to ensure normal drinking water every day to improve health; you can set reminders to take medicine time, so you will not miss the time to take medicine because of forgetting; users can record audio by themselves As an alarm clock and reminder voice, it is more humane and can increase the intimacy between relatives.

Provided is a method for recycling stone coal navajoite waste slag. The method comprises the steps, mixing waste slag obtained after vanadium is extracted from stone coal navajoite, coke and starch according to the weight ratio of 50:(8-15):(0.8-1.5) to form a mixed material, performing ball milling, adding villiaumite reducing a melting point of the mixed material, and pressing to form honeycomb-shaped block pieces; placing the block pieces and quicklime in an electric arc furnace, and performing vacuum melting; enabling the adding amount of the quicklime to be subjected to the fact that thepH of furnace slag is controlled within a range between 1.5 and 2.5; after furnace burden in the electric arc furnace is fully melted, shaking the electric arc furnace to enable furnace liquid to fully react, and then discharging slag; adding chromium oxide with the purity not lower than 99% into the furnace burden after the slag is discharged so as to continue the reaction, and enabling C and Siimpurities in the furnace burden after the slag is discharged to be fully oxidized by adding chromium oxide; controlling the temperature of the electric arc furnace in the melting and reaction process of the furnace burden at 1,850K-1,950K; obtaining a primary product after cooling, layering and slag removal; and adding carbon powder with the quality purity not lower than 99% into the primary product, performing oxidation-reduction reactions in a vaccum furnace so as to reduce hydrogen content and oxygen content in the primary product and obtain a pure product.

The invention discloses a layer-burning boiler for achieving fuel-air-smoke three-stage low-nitrogen burning and a system of the layer-burning boiler for achieving fuel-air-smoke three-stage low-nitrogen burning. The boiler comprises a front arch, a rear arch corresponding to the front arch, a hearth, a throat, a burning chamber and a conveying belt below the hearth, wherein the hearth, throat andthe burning chamber are sequentially formed through the front arch and the rear arch from bottom to top, and complete burning of volatile components can be ensured. In the system, some recycling smoke from an outlet of a smoke extraction fan and a certain amount of water vapor produced by a steam generator are doped in primary air fed into other air bins except for a volatile component air bin, the oxygen content of primary air introduced into a fire grate can be reduced through recycling smoke, the water steam and hot coke are subjected to a water-gas reaction on the fire grate to generate CO and H2, partial gas-solid reaction is converted into gas phase reaction, and on the other hand, CO can increase the thickness of a reduction layer above a coal layer, and NOx generated by coal layerburning is effectively reduced; and on the condition of no large auxiliary machine equipment is added, generation of NOx can be actively reduced, and the dual purposes of energy saving and emission reduction are achieved.

The invention discloses a process system and a method for plasma gasification of industrial sludge and belongs to the technical field of harmless disposal of industrial sludge. The process system comprises a sludge adding device, a plasma gasification system, a combustible gas combustion system and a tail gas treatment system which are sequentially connected; an additive adding device is connectedwith the sludge adding device; the plasma gasification system comprises a plasma gasifier; the combustible gas combustion system comprises a combustion tower with an oxygen supply pipeline; the tailgas treatment system comprises a tail gas cooling system and a tail gas purifying system.

The invention relates to a river dredging and pollution diffusion prevention device. The device comprises a pollution interception net, a bottom mud purifying agent adding device and a pollution concentration monitoring device, wherein the pollution interception net is arranged in a water body behind dredging equipment, a traction rope of the pollution interception net is connected with the dredging equipment, a plurality of adsorption material ropes are arranged below a buoy to form the interception net, and a sinking hook is connected with the adsorption material ropes; the bottom mud purifying agent adding device is connected with a nozzle pipe through a metering device and a hose, and the nozzle pipe is arranged below the buoy; the pollution concentration monitoring device is arranged in the water body at the rear end of the intercepting net and is connected with the buoy; and when the pollution concentration exceeds a set value, the bottom mud purifying agent adding device is controlled to add a bottom mud purifying agent into the water body. The device has a good interception effect on pollutant diffusion caused by disturbance of bottom mud in the construction process of the dredging equipment during dredging of urban small and medium-sized inland rivers, meanwhile, pollution diffusion can be further reduced by adding a bottom mud purifying agent in a reverse control mode, and the pollution bottom mud which is not removed is reduced; and dredging and bottom mud purification are further combined to achieve synchronous construction.