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125results about How to "Does not affect recycling" patented technology

Filter tip stick for low-tar cigarette

The invention discloses a filter tip stick for a low-tar cigarette. A preparation method comprises the following steps of: (1) grinding expansive tobacco stem granules and sieving, and selecting expansive tobacco stem granules with particle sizes of between 20 and 80 meshes; (2) loading one or more than one humectant of oligomaltitol, D-pyranylgalacturonic acid, L-pyrrolidone carboxylic acid-Na, propylene glycol, glycerol, xylitol, sorbierite, Amimethylglycine, 1,3-butanediol, D-pyrane and honey on the expansive tobacco stem granules, and regulating the moisture content to be between 6 and 12 percent, wherein the humectant accounts for 0.5 to 2 percent of the weight of the expansive tobacco stem granules; (3) loading a top dressing flavor which is the same as a top dressing flavor used for preparing cut tobacco of a cigarette on the expansive tobacco stem granules; (4) spreading the expansive tobacco stem granules on nonwoven filter cloth or a paper filter element according to the adding amount of between 0.8 and 3,5mg/mm, and coiling to form a material stick; (5) coiling a white stick by using diacetate cellulose tows; and (6) alternately compounding the material stick and the white stick, wherein the white stick is close to a lip end, and the material stick is close to a cut tobacco end of the cigarette. The filter tip stick for the low-tar cigarette has the effects of reducing harm and tar and improving smoking quality of cigarettes.
Owner:YUNNAN REASCEND TOBACCO TECH GRP

Method for precipitation separation and recovery of chromium and vanadium in chromium-vanadium solution

The invention relates to a method for the precipitation separation and the recovery of chromium and vanadium in a chromium-vanadium solution. The method comprises the following steps: regulating the pH (Power Of Hydrogen) of a solution until the solution is acidic; adding an ammonium salt so as to precipitate the majority of vanadium from the solution in a form of ammonium polyvanadate; filtering and adding a certain amount of reducing agent into a vanadium-precipitated supernatant so as to perform reduction and precipitation on the partial vanadium in the solution; stirring and filtering; then adding the certain amount of reducing agent so as to reduce the rest of the vanadium in the precipitation solution; filtering; collecting filter residues obtained by two steps of reduction and precipitation; dissolving out in an oxidization manner and returning to the vanadium precipitation step via the ammonium salt; collecting the supernatants obtained by the two steps of reduction and precipitation; adding the certain amount of reducing agent again and precipitating chromium hydroxide; and filtering and calcining a filter cake so as to prepare chromium sesquioxide, wherein the supernatant after the precipitation of the chromic hydroxide can be taken as a mother liquor of a leaching process to be recycled. The method is simple in process, low in cost, less in equipment and small in reagent adding amount, and realizes the recycling of wastewater.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Method for detecting penetration points and pinholes of electrolytic copper foil

The invention relates to an electrolytic copper foil process and discloses a method for detecting penetration points and pinholes of an electrolytic copper foil. The method comprises the following steps: (1) processing a sample, namely selecting a wide water tank as a detection water tank, trimming a copper foil to be detected into a sample without creases, and requiring that the sample can be flatly arranged in the detection water tank; (2) preparing a penetrating fluid, namely dissolving a dye in alcohol at the concentration of 0.5-5g / L, and filling the penetrating fluid in the detection water tank; (3) roughly detecting, namely putting the sample into the detection water tank filled with the penetrating fluid in a way that the smooth surface of the sample faces downwards, keeping for 0.5 to 2 minutes, and observing color points on a penetrated rough surface to judge the number and positions of the penetration points and the pinholes; and (4) measuring the size, namely further detecting corresponding positions of the color points by amplifying through an electron microscope of not less than 1,000 times, and measuring the size of the pinholes. The method has the characteristics of simple operation and simple judgment; and the alcohol used in the method has high volatility, cannot pollute the copper foil and cannot influence the recycle of the sample.
Owner:东强(连州)铜箔有限公司

Adhesion agent, preparation method thereof and corrugated board

The invention provides an adhesion agent, a preparation method thereof and a corrugated board. The adhesion agent is made of raw materials including, by weight, 1000 parts of water, 220-350 parts of starch, 6-12 parts of sodium hydroxide, 1-6 parts of moisture-resistant agent red glue, 1-4 parts of moisture-resistant agent white glue, 7-15 parts of bridging agents and 1-4 parts of sodium borate. The invention further provides a preparation method of the adhesion agent and a corrugated board prepared by the aid of the adhesion agent. The formula of the adhesion agent is improved, the moisture-resistant agent red glue and the moisture-resistant agent white glue are added into the starch, glue bodies of the moisture-resistant agent red glue and the moisture-resistant agent white glue has a lot of active groups, the active groups and starch hydroxide radical can three-dimensionally crosslink, so that a solidified glue layer is further hardened, and the performances such as hardness, bursting and edge pressing of the corrugated board are remarkably improved. In addition, the moisture-resistant agent red glue and the moisture-resistant agent white glue has high permeability, the active groups of the moisture-resistant agent red glue and the moisture-resistant agent white glue can instantaneously penetrates paper fiber gaps, contact angles among the adhesive layers and fibers are reduced, the permeability of glue is improved, and adhesive strength is improved.
Owner:HAIER SMART HOME CO LTD

Process and system for recycling and decoloring denim mercerizing alkali and penetrant

The invention discloses a process and system for recycling and decoloring denim mercerizing alkali and penetrant. The process includes the steps that denim mercerizing alkali liquor is placed in a first precipitation tank; the liquor on the upper portion enters a conveying pipeline through a flow pump after precipitation, meanwhile, a metering pump pumps a decolorising agent into the liquor in the conveying pipeline, and then the decolorising agent and the liquor are conveyed to an evaporation concentrator together; the decolorising agent and the liquor enter a second precipitation tank after being evaporated and concentrated; supernatant liquor obtained after precipitation is conveyed to a production line directly; solid substances in precipitation liquor on the lower portion are separated and conveyed to a waste solid storage tank after the precipitation liquor on the lower portion is treated through a centrifugal machine, and clear liquor returns the first precipitation tank and is conveyed backed to the production line. The system comprises the first precipitation tank, the flow pump, the metering pump, a decolorising agent box, the evaporation concentrator and the second precipitation tank. The first precipitation tank, the flow pump, the evaporation concentrator and the second precipitation tank are connected directly through pipelines, and the decolorising agent box is connected to the metering pump below the pipeline where the flow pump and the evaporation concentrator are connected. The process for recycling and decoloring the denim mercerizing alkali and penetrant is simple, the useful alkali and penetrant are recycled, and production cost is greatly reduced.
Owner:SHENZHEN YUEPENG ENVIRONMENTAL PROTECTION TECH

Technological method for extracting antimony and bismuth from rare and noble metallurgical slag

The invention discloses a technological method for extracting antimony and bismuth from rare and noble metallurgical slag. The technological method comprises the following steps: (1) performing leaching: adding rare and noble metallurgical slag gold concentrates to a leaching reaction kettle, then adding an industrial sulfuric acid with the mass ratio of the gold concentrates to the sulphuric acid being 2-4:1, adding sodium chloride with the mass ratio of the gold concentrates to the sodium chloride being 0.6-1:1, leaving a solution in the leaching reaction kettle to stand, cooling the solution after standing until clarification, and then performing pressure filtration so as to obtain the leached slag and pressure filtration solutions, on which slag removal and separation are performed; (2) separating antimony so as to obtain antimonous oxychloride and an antimony precipitation solution; (3) separating bismuth so as to obtain bismuth oxide chloride. The technological method disclosed by the invention has the benefits that under the premise that the recovery of noble metals, such as gold and silver, is ensured not to be influenced, firstly, valuable elements of antimony and bismuth are separated from the gold concentrates, on one hand, antimony resources and bismuth resources are recovered, and the benefit is promoted; on the other hand, a favorable raw material condition is created for the subsequent recovery of gold, silver and the like through smelting.
Owner:铜陵有色金属集团股份有限公司

Self-washing type non-ferro metals debris reclaimer and its using method

The invention discloses a self-piercing type nonferrous metal tailing recovery device. The invention is characterized in that the recovery device comprises an impact bin, a separation bin, and a surge bin; the impact bin, the separation bin, and the surge bin are connected into an integral structure in sequence; a water inlet opening used for tailing slurry to flow into is arranged on the impact bin; an impact gate plate is arranged between the impact bin and the separation bin, and an adjustment gate plate is arranged between the separation bin and the surge bin; a water outlet opening is arranged on a panel at one side of the surge bin opposite to the adjustment gate plate; an overflow opening used for mineralized froth to flow out is arranged on the panel at one side of the separation bin and is adjacent to the impact gate plate. The self-piercing type nonferrous metal tailing recovery device provided by the invention has the advantages of high recovery ratio, no energy consumption, investment conservation, and rapid recovery speed, etc., can also reduce the environmental protective pressure, and reduce the content of heavy metal chemical components in exhaust tail. Because of being arranged on the side slope of a tailing pond, the invention does not influence the tailing dam safety and the water recovery, and also does not influence other mineral to be recovered with other methods.
Owner:许雷 +2

Vibratory leveling device

The invention discloses a vibratory leveling device, and relates to the technical field of concrete construction equipment. The vibratory leveling device comprises a main beam, a vibrating beam and walking mechanisms, wherein vibrators are arranged on the vibrating beam; the main beam is parallel to the vibrating beam, and is further connected with the vibrating beam through a guiding mechanism; vibrating beam height regulating mechanisms are arranged at two ends of the main beam; the walking mechanisms are arranged at two ends of the maim beam; roller wheels at the lower ends of the walking mechanisms cooperate with an orbital groove; the orbital groove is connected with a longitudinal template through a supporting regulating mechanism. A vibratory leveling operation is carried out by utilizing the vibrators on the vibrating beam; the vibrating beam height regulating mechanisms at the two ends of the main beam can regulate the height of the vibrating beam, thereby being convenient for crossing an obstacle; the roller wheels at the lower ends of the walking mechanisms at the two ends cooperate with the orbital groove; the orbital groove can be connected with the longitudinal template through the supporting regulating mechanism; heights and levelness degrees of the orbital groove and a vibrating device are regulated by means of the supporting regulating mechanism; the orbital groove and the supporting regulating mechanism are convenient to disassemble without influencing the recycling of the longitudinal template; the universality is improved; the material consumption is reduced.
Owner:中铁十七局集团第三工程有限公司 +2

Retardant adding system and retardant adding method for retarding generation of dioxins

The invention provides a retardant adding system and a retardant adding method for retarding generation of dioxins by a waste incineration system. The retardant adding system comprises a retardant adding device and a control device, wherein the retardant adding device is provided with a stock bin, an arching resistance unit and a conveying unit; the stock bin is used for storing the retardant; the arching resistance unit is used for preventing bridging or arching of the retardant in the stock bin; the conveying unit is used for conveying the retardant in the stock bin to a retardant adding point corresponding to the waste incineration system; the control device is used for monitoring all units of the retardant adding device and the work condition of the retardant, collecting related pressure parameters, temperature parameters and/or flow parameters, thereby providing accordance and feedback for the monitoring process. The proposal ensures that the retardant can be added to a plurality of retardant adding points of the waste incineration system in various modes, so that the system and the method are applicable to various waste incineration system, and have good adaptability for shapes, adding amount and types of the retardant.
Owner:BEIJING CHINA SCI GENERAL ENERGY & ENVIRONMENT CO LTD

Preparation method of flame-retardant cellulosic fiber

The invention relates to a flame-retardant cellulosic fiber and a preparation method thereof. The preparation method comprises the following steps: extruding, solidifying, stretching and washing a cellulose fiber spinning solution with water by a spinning nozzle to obtain a water-washing cellosilk, then treating the water-washing cellosilk with an aqueous solution of a flame retardant, and then rinsing and drying to obtain the flame-retardant cellulosic fiber, wherein the temperature of the water washing is greater than or equal to 90 DEG C, the temperature of the aqueous solution of the flameretardant is 60-90 DEG C, and the temperature of the rinsing is 20-40 DEG C. The flame retardant contains one or more groups capable of forming a covalent bond with the cellulose hydroxyl group, self-crosslinking, and forming a hydrogen bond with the cellulose hydroxyl group. The prepared flame-retardant cellulosic fiber mainly comprises a cellulosic fiber matrix and the flame retardant dispersedin the cellulosic fiber matrix. The preparation method provided by the invention has the advantages of simple process and mild conditions; the obtained fiber has excellent mechanical properties, excellent water washing resistance and excellent flame retardant properties.
Owner:DONGHUA UNIV

Magnetic coating materials beneficial to environment-friendly recycle

The invention relates to magnetic coating materials beneficial to environment-friendly recycle, belonging to the technical field of environment protection, and comprising the following components: particles with soft-magnetic characteristics, bonding agent solution and water. The diameter of every particle with soft-magnetic characteristics is blew 0.5 micron. When in use, a few of high-permeability coating materials are sprayed and coated on the surface of products before the products which are not easy for the magnetic separation are abandoned, and then the complete recycle can be realized; and producers can directly spray and coat the coating materials on the products, for example, printing words on the surfaces of plastic films to be recycled, and printing words or figures, such as logo and other forms, on the pop-top cans and beverage plastic bottles. Magnetic particles in the coating materials have soft-magnetic characteristics and high permeability, thus electric magnets or strong magnets with high magnetic energy product are taken as separation tools for separating and recycling the products not easy to separate, which is a key technique changing the present treatment way. After implementing the invention, the magnetic separation way can be used for separating various wastes.
Owner:刘娜

Electroplated diamond grinding wheel easy to disassemble

The invention discloses an electroplated diamond grinding wheel easy to disassemble. The electroplated diamond grinding wheel comprises a grinding material layer and a base body component. The electroplated diamond grinding wheel is characterized in that the base body component comprises a first base body and a second base body which are connected fixedly, a round boss is arranged on the first base body coaxially and integrally, a coaxial mounting hole is formed in the second base body, an axial gap is formed between the front end face of the boss and the bottom face of the mounting hole, at least two axial junction taper pins positioned on circumferential matching faces of the boss and the mounting hole are fixedly arranged between the first base body and the second base body, the outer circumference surface of the first base body is matched with the outer circumference surface of the second base body to form a complete seamless electroplating circumference surface, and the grinding material layer is electroplated on the electroplating circumference surface. The electroplated diamond grinding wheel has the advantages that the base bodies and the grinding material layer of the electroplated diamond grinding wheel are easy to disassemble and separate, recycling or reproducing of the base bodies is not affected, and the base body component is simple in structure and convenient to process, assemble and disassemble.
Owner:NINGBO UNIV

Slag cooler for calcinator

A slag cooler for a calcinator includes a steam dome, an upper end cover, a slag inlet, a flow division and equalization device, an inspection door, a flat-layer flow equalization device, a seal cover plate, an upper steam water connecting pipe, fireproof materials, an upper pipe plate, an outer cylinder body, a lower steam water connecting pipe, a fire pipe, a down pipe, a lower pipe plate, a slag outlet, a slag remover, an upper-stage evaporator, a superheater, a lower-stage evaporator, a coal economizer and a water supply pipe seat, wherein a single-stage evaporator is the basic structural form, and the two-stage evaporators or multi-stage evaporators can also be arranged on the basis of the single-stage evaporator; the upper pipe plate is arranged at the upper end of the outer cylinder body in a connected manner, the seal cover plate is arranged above the upper pipe plate in a connected manner, the upper end cover is arranged at the upper end of the seal cover plate in a connected manner, the flat-layer flow equalization device is arranged at the joint of the upper end cover and the seal cover plate, the flow division and equalization device is arranged in the center of the inside of the upper end cover, and the slag inlet is arranged in the center of the upper end of the upper end cover. The slag cooler for the calcinator has the advantages of simple overall structure, and convenience in mounting, operation and use, as well as high stability and reliability.
Owner:JINING HOWARD ENVIRONMENTAL
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