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603 results about "Solid matter" patented technology

Roadbed soil cement cementing material curing agent and use method thereof

ActiveCN120081637AFiberWater reducer
The invention relates to the technical field of cement-based soil curing agents, and particularly discloses a roadbed soil cement cementing material curing agent and a use method thereof. The curing agent comprises Portland cement, coal gangue particles, fly ash, silica fume, an anti-permeability reinforcing agent, a water reducing agent and fibers. The anti-permeability reinforcing agent is prepared by the following steps: (1) dispersing polyaluminum sulfate powder into absolute ethyl alcohol, then adding a silane coupling agent and a water repellent agent, and heating and preserving heat under a stirring condition; and then separating out solids to obtain the modified polyaluminum sulfate. And (2) adding the modified polyaluminum sulfate into water, heating and preserving heat under a stirring condition, drying by distillation to remove water, and grinding the obtained solid product. The curing agent provided by the invention not only reduces the adverse effect of acid soil on the stability of a formed soil consolidated body, but also improves the impermeability and the durability of the soil consolidated body.
Owner:UNIV OF JINAN +1

Nitrogen-phosphorus-sulfur triple-doped hard carbon negative electrode material and preparation method and application thereof

The invention discloses a preparation method of a nitrogen-phosphorus-sulfur triple-doped hard carbon negative electrode material. The preparation method comprises the following steps: crushing biomass rich in protein, sieving and collecting; the crushed biomass is soaked with a phosphorus source solution, and solid matter is dried after separation; introducing small organic molecule gas into the dried biomass under the protection of inert gas, performing high-temperature pyrolysis to obtain a carbon material, and treating and replacing oxygen-containing functional groups by using nitrogen-containing, phosphorus-containing and sulfur-containing gas; and heating and washing the obtained carbon material by using a strong alkali solution to remove redundant phosphorus source, washing to be neutral, separating, and drying to obtain the nitrogen-phosphorus-sulfur triple-doped hard carbon negative electrode material. The material has an adjustable special hole structure due to cracking and carbonization of small organic molecule gas in pores, affinity of sodium ions and the material is improved due to doping of nitrogen, phosphorus and sulfur, hard carbon interlayer spacing is enlarged due to large atomic radiuses of phosphorus and sulfur, intercalation and deintercalation of the sodium ions are facilitated, sodium modification kinetics is improved, electrode reversibility is improved, and the performance of the electrode is improved. And higher coulombic efficiency is obtained.
Owner:CHENGDU UNIV

Grating dam safety evaluation and design method and structure based on debris flow blocking degree

The invention discloses a grating dam safety evaluation and design method and structure based on debris flow blocking degree. Wherein the safety assessment method comprises the following steps: S100, calculating the safety of the debris flow on the basis of the solid matter concentration of a debris flow susceptible area, the particle size value corresponding to the accumulated content of 95% in a full particle size grading curve, the channel average gradient, the channel average width and the primary debris flow scale in the section range of the grating dam, the minimum particle size value of the maximum boulder in the drainage basin and the opening width of the grating dam; calculating a critical blocking judgment coefficient according to the correlation value of the height of the grating dam, the angle of the wedge-shaped structure and 60 degrees and the correlation value of the total amount of debris flow solid substances and the reservoir capacity of the wedge-shaped beam type grating dam; and S200, evaluating the safety of the grating dam based on the critical blocking discrimination coefficient. The evaluation and design method and structure incorporate the relative relation between the debris flow scale and the dam body storage capacity, meanwhile, the influence on active structure parameters such as wedge-shaped flow guide is quantified, and the blocking state prediction accuracy of the grating dam in actual operation is improved to a certain degree.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI

Method and reaction device for preparing methylaluminoxane by directly hydrolyzing trimethyl aluminum

The invention discloses a method for preparing methylaluminoxane by directly hydrolyzing trimethyl aluminum and a reaction device, and belongs to the technical field of chemical products. Comprising the following steps: introducing low-temperature methane gas containing gas-phase water into a trimethylaluminum organic solution, carrying out hydrolysis reaction under the dual effects of ultrasonic vibration and mechanical stirring and mixing, and filtering to remove solid substances after the reaction is completed, so as to obtain a methylaluminoxane solution. According to the method for preparing methylaluminoxane through direct hydrolysis of trimethyl aluminum, the hydrolysis quality of methylaluminoxane can be guaranteed, generation of gels such as aluminum hydroxide is effectively controlled, and the product yield is greatly increased; and the byproduct methane is high in purity, can be recycled and is free of environmental pollution and energy waste, so that the production cost is remarkably reduced.
Owner:QUZHOU JIANHUA SANRUI NEW MATERIALS CO LTD

Method for extracting shrimp oil from penaeus vannamei boone processing by-products

The invention discloses a method for extracting shrimp oil from penaeus vannamei boone processing by-products, which specifically comprises the following steps: freeze-drying penaeus vannamei boone heads, crushing into powder, adding absolute ethyl alcohol in proportion, and carrying out ultrasonic extraction and solid-liquid separation to obtain a solid matter and a supernatant A; and evaporating and concentrating the supernate to obtain the penaeus vannamei oil with high extraction rate. The extraction rate is more than 95%. The method provided by the invention not only improves the extraction rate of shrimp oil from South America white, but also greatly shortens the extraction time.
Owner:SHANGHAI OCEAN UNIV

Treatment method of wastewater containing suspended solids and metal ions

The invention relates to a method for treating wastewater containing suspended solids and metal ions, which comprises the following steps: introducing CO2-containing gas into the wastewater containing suspended solids and metal ions to carry out air flotation treatment, and adding a chemical agent Y1 which is an amino or amidino porous polymer at the same time; separating solids after treatment to obtain water, adding an agent Y2 for stirring treatment, and separating solids after reaction; the agent Y2 is a polysilicic acid-based inorganic-organic hybrid flocculating agent. According to the invention, suspended solids and metal ions in wastewater can be efficiently removed, secondary pollution of water is avoided, and the treatment process is simple, convenient and efficient.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

System and Method for Loading and Unloading Tanks Used in a Physical, Chemical and / or Biological Process

The present invention relates to a system for loading and unloading agents in the form of particulate solid material, used for carrying out a physical, chemical, and / or biological process in one or more tanks. The system includes: an intermediate tank, a pump, and a pneumatic conveyor. The intermediate tank and the pump are fluidically connected. For unloading a tank containing saturated or degraded solid material particles, an empty or partially empty solid material tank is fluidically connected to the intermediate tank and the tank containing saturated or degraded solid material particles. For loading a tank, a solid material tank containing unsaturated or undegraded solid material particles is fluidically connected to the intermediate tank.
Owner:DYNAMIC AIR LTDA

Wastewater pool detector for multi-point fixed-depth putting

The invention relates to the technical field of wastewater treatment, and discloses a multi-point fixed-depth putting wastewater pool detector, which comprises a detector protective cover, the detector protective cover is of a cylindrical frame body structure, a wastewater data detector is arranged in the detector protective cover, and the detection end of the wastewater data detector penetrates through the side wall surface of the detector protective cover. According to the multi-point fixed-depth putting wastewater pool detector, the wastewater data detector in the device is used for detecting multiple depth points of a wastewater pool and comprehensively reflecting the water quality condition, and the protection assembly is located at the bottom end of the wastewater data detector and pushes away floccules and solids in wastewater; according to the waste water data detector, the detection position of the waste water data detector is prevented from being influenced by the existence of solids, and the cable guide assembly is arranged, so that the situation that the waste water data detector excessively deviates from the detection point position in the descending process, data accuracy is influenced, adjacent waste water data detectors collide with each other, and the number of damaged waste water data detectors is increased is avoided.
Owner:CHANGSHA MENQIU MECHANICAL & ELECTRICAL EQUIPMENT CO LTD

Efficient accelerator production device heated by steam

The utility model relates to an efficient accelerator production device using steam for heating, and belongs to the technical field of accelerator production. The device mainly comprises a reaction kettle, a thermal insulation layer, a valve, a weighing module, a sealing cover, a stirring mechanism, a feeding pipe, an exhaust pipe, a steam furnace, a heating pipe and a steam pipe, accelerator raw materials fall into the reaction kettle from the feeding pipe, the stirring mechanism stirs the raw materials, the problems of insufficient reaction of the raw materials and accumulation of solid substances at the bottom of the reaction kettle during mixing and stirring are avoided, and high-temperature steam generated by the steam furnace is conveyed into the heating pipe through the steam pipe to heat the raw materials in the reaction kettle. The raw materials are fully reacted, the dissolving speed of the raw materials is increased, the production efficiency of the accelerator is improved, the steam heating pipe is coiled in the heat preservation layer and the cavity structure of the reaction kettle and cannot be corroded by an accelerator stock solution, and the service life is prolonged.
Owner:YUNNAN JINGSHI NEW BUILDING MATERIALS TECH CO LTD

Waste water recovery treatment equipment for printing and dyeing processing

The invention discloses wastewater recovery treatment equipment for printing and dyeing processing, and relates to the technical field of sewage treatment.The wastewater recovery treatment equipment for printing and dyeing processing comprises a sedimentation tank, an ingress pipe is fixedly connected to the surface of the sedimentation tank, a filtering system is fixedly connected to one end of the ingress pipe, and a discharge pipe is fixedly connected to the surface of the filtering system; one end of the discharge pipe is fixedly connected with a chemical tank, an inspection system for inspecting whether a filter screen is blocked or not is arranged in the filtering system, a surface scraping mechanism for cleaning and collecting impurities on the surface of the filter screen is arranged in the filtering system, and a cleaning mechanism for cleaning filter holes in the surface of the filter screen is arranged in the filtering system. The power sliding block is driven to slide downwards, the scraping panel is driven to slide downwards to scrape off impurities blocking the surface of the filter screen, the impurities fall into the filter residue groove through the inclined surface of the filter residue groove to be collected in a centralized mode, and therefore the purposes of rapidly removing large-particle impurities and solid matter on the surface of the filter screen and collecting the large-particle impurities and the solid matter are achieved.
Owner:浙江环发纺织印染有限公司

Method for producing raw material liquid for lithium compound, lithium-containing water, method for producing lithium hydroxide powder, and method for producing lithium carbonate powder

To provide a method for yielding a lithium-containing liquid suitable as a raw material for producing lithium compounds of high purity, from to-be-treated water containing lithium ions, sodium ions, metal ions other than lithium ions and sodium ions, fluoride ions, and anions serving as conjugate bases of acids, and to provide related techniques thereof.SOLUTION: Provided is a method for producing a raw material liquid for a lithium compound, comprising: step 1 of adding a sulfiding agent and a calcium compound to the to-be-treated water, subjecting the to-be-treated water containing the formed solid matter to solid-liquid separation to obtain a treated liquid A; step 2 of adding an oxalate ion source to the treated liquid A, subjecting the treated liquid A containing the formed solid matter to solid-liquid separation to obtain a treated liquid B; and step 3 of subjecting the treated liquid B to bipolar electrodialysis to obtain an alkaline liquid containing lithium ions and sodium ions as a raw material liquid for producing a lithium compound.SELECTED DRAWING: None
Owner:DOWA TECH

Movable rural domestic sewage pretreatment integrated equipment

The utility model belongs to the technical field of sewage treatment, and discloses movable rural domestic sewage pretreatment integrated equipment which comprises a shell, a filter plate is fixedly connected to the inner side of the shell, and the filter plate is obliquely arranged; the collecting assembly communicates with one side of the shell, and the collecting assembly is used for collecting solids; the cleaning assembly is arranged above the filter plate, and the top of the cleaning assembly is connected with a control assembly for driving the cleaning assembly to reciprocate on the top surface of the filter plate; wherein the cleaning assembly comprises a connecting piece and a scraping plate hinged to the bottom of the connecting piece, the connecting piece can allow the scraping plate to rotate to a certain degree in the direction of the collecting assembly, the problems that due to the arrangement defect of the scraping plate, solid matter is accumulated in an existing treatment device, and operation of the device is finally affected are solved, and the device is suitable for sewage treatment.
Owner:CHONGQING ENVIRONMENTAL PROTECTION INVESTMENT CO LTD

High-temperature alloy forging equipment and forging method thereof

The invention belongs to the technical field of alloy forging, and discloses high-temperature alloy forging equipment and a forging method thereof.The high-temperature alloy forging equipment comprises a base and a forging frame fixed to the top of the base, a die column is fixedly arranged at the top of the base, and a material returning assembly is movably connected into the base in a sleeved mode. In the rotating process, the rotating cleaning cloth conducts contact cleaning towards the top face of the base, the outer side face of the die column and the top, it is guaranteed that chippings and particles generated in the forging process are fully cleaned out, it is guaranteed that a to-be-forged workpiece is placed and positioned stably, and it is avoided that residual solid matter influences positioning of the to-be-forged workpiece; the follow-up forging quality and stability are guaranteed, the forging effect is improved, cleaning operation is easy and convenient, reversing ventilation of the air supply assembly is matched, the top of the base can be directly purged through the material returning assembly, surface cooling is achieved while non-contact cleaning is achieved, and the cooling speed and the self safety are improved after the machine is shut down after forging is finished.
Owner:JIANGXI CONGZHONG MASCH CO LTD

Preparation method of non-denatured II-type collagen for promoting growth of bones and cartilages

The invention discloses a preparation method of non-denatured II-type collagen for promoting bone and cartilage growth, and belongs to the technical field of II-type collagen extraction.The preparation method comprises the following steps that 1, pretreatment is conducted; (2) soaking in a salt solution: adding the salt solution into the cartilage particles for soaking treatment to obtain a precipitate; (3) soaking in an organic solvent; and (4) drying and crushing the solid matter to obtain the traditional Chinese medicine composition. The salt solution is prepared from the following components in percentage by mass: 1 to 5 percent of sodium chloride, 0.2 to 0.8 percent of lecithin, 0.3 to 1 percent of plant extract and the balance of water; the plant extract is a water extract of rhizoma kaempferiae, chicory and houttuynia cordata; the organic solvent is an ethanol water solution and pullulan polysaccharide. According to the method disclosed by the invention, the saline solution is improved, so that the structural stability of the collagen is improved while the dissolution of non-collagen components is promoted, the denaturation of the type II collagen is avoided, and the extraction efficiency of the non-denatured type II collagen is improved.
Owner:HUBEI HUGE COLLAGEN II BIOTECHNOLOGY CO LTD

Solid-liquid separation device for precious metal recovery

The utility model discloses a solid-liquid separation device for precious metal recovery, and relates to the field of precious metal recovery, the solid-liquid separation device comprises a separation box, the back of the separation box is fixedly connected with a lifting assembly, and the tops of the two sides of the separation box are fixedly connected with a mounting rack. During use, the first motor drives the first lead screw to rotate to drive the driving plate to ascend, then the driving plate and the filter screen plate ascend, the second motor drives the first lead screw to rotate, then the second lead screw rotates to drive the scraping plate to move to scrape off solid substances on the filter screen plate, and then the solid substances are collected when the filter screen plate is cleaned. Therefore, the filter screen plate does not need to be taken down every time, time is not wasted, the working efficiency is improved, then when a dissolving solution is poured into the separation box, a buffer spring is matched with a buffer gasket A and a buffer gasket B to buffer the impact force of the dissolving solution, then the filter screen plate is protected, the filter screen plate is prevented from being damaged, and the separation cost is reduced.
Owner:KUNMING GUIYI METAL MATERIAL

Preparation method and application of crab shell chitin without chemical decoloration

The invention discloses a preparation method and application of crab shell chitin without chemical decolorization, and the preparation method comprises the following steps: crushing the crab shell of Eriocheir sinensis to obtain crab shell powder; dissolving crab shell powder in distilled water according to a ratio of 1: 10-1: 30 (w / v) to obtain a crab shell powder solution; treating the crab shell powder solution by using plasma jet (PJ), washing to be neutral, and drying to obtain plasma pretreated crab shell powder; dissolving the crab shell powder pretreated by the plasma into 0.1-3M hydrochloric acid (HCl) solution according to the ratio of (1: 10)-(1: 30) (w / v), and carrying out demineralization treatment; washing the demineralized solid matter to be neutral, performing deproteinization treatment by using 0.1-3M sodium hydroxide (NaOH) solution, washing to be neutral, and drying to obtain white solid crab shell chitin. In the extraction process of the crab shell chitin, a strong oxidant (such as H2O2) is not required to be used for decoloring, the color is close to that of commercial chitin, and the process is simple, green and environment-friendly; meanwhile, the production cost is reduced.
Owner:HEFEI UNIV OF TECH

Syringe

The article of this design is a syringe equipped with a filter that can filter out solid matter in a medicine, and when administering the medicine, it can suppress the resistance to the injection of the medicine while capturing, for example, protein aggregates in the medicine.
Owner:CHUGAI PHARMA CO LTD +1

Multistage separation and concentration device for tea extracting solution

The utility model relates to the field of tea extracting solution processing, in particular to a multi-stage separation and concentration device for a tea extracting solution. The technical problems that in the processing process of the tea extracting solution, separation and concentration cannot be conducted at the same time, the processing efficiency of the tea extracting solution is reduced, and the separation effect is not ideal due to the fact that a multi-stage structure does not exist are solved. According to the technical scheme, the multi-stage separation and concentration device for the tea leaf extracting solution comprises a fixed bottom plate and further comprises a soaking assembly, a multi-stage separation assembly and a concentration assembly. Through the arrangement of the soaking assembly, the tea dissolving efficiency is effectively improved, then through the multi-stage separation assembly, solid substances such as tea can be separated and collected, and a tea extracting solution subjected to multi-stage filtration treatment is very low in impurity content and can be used for production of tea beverages, tea lozenges, tea extractum and the like; and the separated useful liquid is heated, evaporated and concentrated, so that the useful components are concentrated.
Owner:POLYTECHNIC UNIV BIOTECHNOLOGY (HUANGSHAN) CO LTD

Beverage production system, control device, control program, and beverage production method

To hold a transported non-uniform solid matter for each one unit to place the solid matter into a transported empty container with high accuracy.SOLUTION: A beverage production system 100 comprises: a first line L1 that transports empty cans KN each having an opening; a second line L2 that transports fruits and vegetables LS each having a projected area smaller than an area of the opening of the empty can KN; a parallel link robot 20; and a control device 10 that controls the parallel link robot 20 such that the parallel link robot 20 holds, for each single unit, the fruits and vegetables LS transported by the second line L2 and places the held fruits and vegetables LS into the opening of one of the empty cans KN transported by the first line L1.SELECTED DRAWING: Figure 1
Owner:ASAHI BREWERIES LTD +2

A subgrade soil-cement binder and its usage method

ActiveCN120081637BFiberWater reducer
The present invention relates to the technical field of cement-based soil solidifying agents, and specifically discloses a roadbed soil cementitious material solidifying agent and a using method thereof. The solidifying agent comprises: Portland cement, coal gangue fine particles, fly ash, silica fume, an impermeability enhancing agent, a water reducing agent and fibers. The impermeability enhancing agent is prepared by the following method: (1) Dispersing polyaluminum sulfate powder into absolute ethanol, then adding a silane coupling agent and a water repellent and heating and insulating under stirring conditions. After completion, the solid matter is separated out to obtain modified polyaluminum sulfate. (2) Adding the modified polyaluminum sulfate to water and heating and insulating under stirring conditions. After completion, the water is evaporated to remove the water, and the obtained solid product is ground. The solidifying agent of the present invention not only reduces the adverse effect of acidic soil on the stability of the formed soil solidified body, but also improves the impermeability and the durability of the soil solidified body.
Owner:UNIV OF JINAN +1

A chip filtering and separation device for wafer cutting machine

The present invention relates to the field of solid-liquid separation technology, and specifically to a chip filtering and separating device for a wafer cutting machine, comprising a housing; a filter chamber provided in the housing; a filter assembly provided in the filter chamber; a liquid outlet and a liquid inlet provided in the housing; a tray provided at the bottom of the filter chamber for lifting and lowering; a waste seat provided on the tray; a waste channel provided with a waste inlet at the top of the waste seat; a waste outlet provided at the bottom of the waste seat; the waste inlet and the top of the waste channel are arranged opposite each other; the waste outlet and the bottom of the waste channel are arranged opposite each other; an upper baffle is provided for sliding between the waste channel and the waste inlet; a lower baffle is provided for sliding between the waste channel and the waste outlet; and a linkage mechanism is provided between the upper baffle and the lower baffle. The present invention controls the connection and blockage between the waste inlet and the waste channel, and controls the connection and blockage between the waste outlet and the waste channel, by providing the upper baffle, the lower baffle, and the linkage mechanism, so as to automatically discharge solid matter.
Owner:GUANGDONG KEZHUO SEMICON EQUIP CO LTD

Distributed low energy dynamic thermal management system for solid matter prevention and control in oil and gas transportation pipeline

A distributed low energy dynamic thermal management system for solid matter prevention and control in oil and gas transportation pipeline includes a pipeline data monitoring terminal, a current and an electric pulse control terminal, a land console, an electric heating terminal, a wiring flange, an oil and gas transportation pipeline, a valve structure. The system monitors the state of the pipeline in real time by the pipeline data monitoring terminal, and transmits the monitoring data to the current and electric pulse control terminal in real time, the current and electric pulse control terminal produces different thermal responses to the electric heating terminal according to the state in the tube, raises the temperature inside the tube by generating a continuous current, unblocks pipeline by generating high power electric pulse, so as to realize real-time monitoring and local temperature dynamic control of oil and gas transportation pipeline.
Owner:DALIAN UNIV OF TECH

Biological agent preparation wastewater purification treatment equipment

The invention discloses biological agent preparation wastewater purification treatment equipment, and relates to the field of biological agent preparation, the biological agent preparation wastewater purification treatment equipment comprises a purification tank, an impurity removal plate is arranged in the purification tank, the surface of the impurity removal plate is designed to be of a mesh-shaped structure, a connecting plate is fixed to the middle of the impurity removal plate, and an external pipe is connected to the upper portion of the connecting plate; the external pipe is connected with an external air supply structure, the lower part of the external pipe is connected with an aeration mechanism, air in the external pipe is guided into the purification tank, the upper part of the impurity removal plate is connected with a translation mechanism, and the impurity removal plate is controlled to move in the purification tank. According to the biological agent preparation wastewater purification treatment equipment, impurity solids in the purification tank can be cleaned through the impurity removal plate and pushed to the surface of the impurity removal plate for subsequent treatment, the impurity removal plate moves in the purification tank to play a role in stirring a water body, meanwhile, the aeration mechanism can move along with the impurity removal plate, the aeration position is adjusted, and the aeration effect is improved. And the water body can be treated more uniformly and effectively.
Owner:JIANGXI CHENGZHI BIOENG

Filtering mechanism and purifying device

The utility model discloses a filtering mechanism and a purification device, and relates to the technical field of wastewater purification. The device comprises a filter box, a connecting pipe and a water outlet pipe are communicated with the filter box, a valve is arranged on the connecting pipe, a filter cartridge, a brush roller and a spiral conveying rod are rotationally arranged in the filter box, the brush roller is in rolling lap joint with the inner wall of the filter cartridge, and a driving part which acts on the filter cartridge and drives the filter cartridge to rotate is arranged in the filter box; and a collecting cylinder corresponding to the brush roller is arranged in the filter box. When the industrial wastewater treatment device is used, separation of industrial wastewater and solid substances is achieved through the rotating filter cylinder, the solid substances left on the inner wall of the filter cylinder are cleaned through the rotating brush roller, the cleaned solid substances fall into the collecting cylinder, and the solid substances are conveyed through the rotating spiral conveying rod; and solid substances are discharged from the discharge port, so that the filter cartridge is self-cleaned, and the filter cartridge is prevented from being blocked.
Owner:SICHUAN DONGBI ENVIRONMENTAL TECH CO LTD

Solid matter, formed body, and method for manufacturing solid matter

An object of the present invention is to provide a solid substance, a molded article, and a method for producing the solid substance, which can form a molded article that is less likely to generate blisters due to ozone and has excellent ozone resistance. 【Solution means】The solid substance of the present invention is a powdery or pelletized solid substance containing a copolymer containing a unit A based on tetrafluoroethylene and a unit B based on a monomer selected from the group consisting of a monomer represented by the formula (1) (CF2=CF-O-(CF2) n -CF3) and a monomer represented by the formula (2) (CF2=CF-CF2-O-(CF2) n -CF3), wherein the total number of functional groups of -CF=CF2, -CF2H, -COF, -COOH, -COOCH3, -CONH2, and -CH2OH is less than 150 per 10 main chain carbons of the copolymer, and substantially does not contain a compound represented by the formula (3) (CF3-(CF2) 6 -COOH). n-1 ​
Owner:AGC INC

Whitening and decontaminating laundry sheet and preparation method thereof

The invention relates to the field of washing products, in particular to a whitening and decontaminating laundry sheet and a preparation method thereof. The whitening and decontaminating laundry sheet comprises a film-forming agent, an anionic surfactant, a nonionic surfactant, a fluorescent whitening agent, an anti-fouling agent, an enzyme preparation, a plant extract, a chelating agent and an auxiliary agent, the film-forming agent comprises a film-forming agent A and a film-forming agent B; the film-forming agent A is polyvinyl alcohol, and the film-forming agent B comprises one or more of polyvinylpyrrolidone and modified polyvinyl alcohol; the anionic surfactant comprises sodium alkyl sulfate, sodium fatty acid methyl ester sulfonate and sodium alpha-olefin sulfonate; the nonionic surfactant is prepared from polyglycerol fatty acid ester, fatty alcohol-polyoxyethylene ether, fatty acid methyl ester ethoxylate and alkyl glucoside. The whitening and decontaminating laundry sheet is high in dissolvability, has a remarkable whitening effect on fabrics, has decontaminating power, and has the advantages of being convenient to carry and use, free of solid matter residues after being used and the like.
Owner:GUANGZHOU JOYSON CLEANING PROD CO LTD

Cleaning method for exhaust gas treatment facility

An exhaust gas treatment facility includes a combustion chamber 1 for applying combustion treatment to exhaust gas, a nozzle for causing water to flow along the inner wall surface of the combustion chamber 1, a water supply line for supplying water to the nozzle, a primary wet scrubbing chamber 11, and a wet scrubber 20, etc. When removing a solid matter from the wet scrubber 20, an alkaline-based cleaning agent solution is injected to a lower water tank 44 from a chemical dispensing device 50, and a circulation pump 23 is operated to sprinkle water from a nozzle 21. Cleaning is ended if the detected pH by pH meters 52, 53 maintains a defined pH for a predetermined time or more.
Owner:KURITA WATER INDUSTRIES LTD

Method for detecting content of ferrous phosphide in lithium iron phosphate

The invention provides a method for detecting the content of ferrous phosphide in lithium iron phosphate, and belongs to the technical field of chemical analysis. The detection method comprises the following steps: soaking a lithium iron phosphate sample in hydrochloric acid to dissolve lithium iron phosphate to obtain a mixed solution; then carrying out solid-liquid separation, and cleaning solid substances; the cleaned solid matter is digested with nitric acid, and a digestion solution is obtained; and detecting the contents of Li < + > and Fe < 3 + > in the digestion solution, and calculating to obtain the content of ferrous phosphide in the lithium iron phosphate. The detection method provided by the invention has the advantages of stable and accurate detection result, low consumption of samples and short detection period.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +2

Effluent treatment apparatus

To provide an effluent treatment apparatus capable of efficiently capturing and removing solid contained in effluent.SOLUTION: An apparatus includes a first storage tank 8 that receives and temporarily stores effluent, a solid-liquid separator 9 that separates slurry containing a solid settled in the first storage tank 8 into solid and liquid components, a second storage tank 11 that temporarily stores liquid components separated from slurry in the solid-liquid separator 9 and separates oil and solids remaining in the liquid components and then releases the liquid component to the outside, and an organic waste storage tank 10 that stores the solid component separated from the slurry in the solid-liquid separator 9.SELECTED DRAWING: Figure 1
Owner:FROM IND

Mobile zero-emission environment-friendly public toilet

The invention discloses a mobile zero-discharge environment-friendly public toilet, and relates to the technical field of zero-discharge public toiles.The mobile zero-discharge environment-friendly public toilet comprises a mobile public toilet and a partition plate assembled in the mobile public toilet and provided with an excrement channel and a liquid filter plate, and further comprises a sewage treatment chamber fixedly arranged in the mobile public toilet and located under the liquid filter plate; the floating sieve plate is arranged in the sewage treatment chamber and floats on the liquid level; and the collecting tank is fixedly arranged on the movable public toilet. According to the movable type zero-discharge environment-friendly public toilet, impurities and the like contained in liquid are intercepted on the inclined plane through the floating sieve plate, when the floating sieve plate reaches the highest liquid level along with the sewage treatment chamber, the impurities are poured into the microbial degradation chamber in a unified mode, solid-liquid diversion is further achieved, precipitation of solid substances in sewage is reduced, and through the aeration pipe, the solid substances can be effectively degraded. Sewage can be subjected to aeration treatment, and the scraping plate is driven to stir impurities on the inclined surface, so that the impurities are prevented from staying on the floating sieve plate to cause blockage.
Owner:NANJING GUORONG ENVIRONMENTAL PROTECTION TECH