413 results about "Solid matter" patented technology

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.

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.

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.

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.

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.

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.

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

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.

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.

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

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.

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.

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.

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 ​

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.

The invention discloses excrement collection and treatment integrated equipment for a beef cattle farm, and relates to the technical field of excrement treatment, the excrement collection and treatment integrated equipment comprises a fermentation bin, the top of the fermentation bin fixedly communicates with a separation bin, one side of the fermentation bin and one side of the separation bin fixedly communicate with a filter pressing bin, and the bottom end of the side, away from the filter pressing bin, of the fermentation bin fixedly communicates with a drainage pipeline; the multi-separation assembly comprises a filter plate which is connected to the top end of the inner wall of the separation bin in a sliding manner; through the arrangement of the fermentation bin, the separation bin and the filter pressing bin, excrement generated in the beef cattle breeding process is treated step by step, the excrement is divided into solid matter and excrement water to be collected separately, and the follow-up resource utilization efficiency of the solid matter and the excrement water is conveniently improved; meanwhile, moisture contained in solids in the feces is completely removed, subsequent storage, transportation and reprocessing of the solids are facilitated, the separated liquid feces can also be directly used as crop irrigation objects, and the resource utilization rate is increased.

The invention belongs to the technical field of high-activity tungsten powder preparation, and particularly relates to high-specific-surface-area high-activity tungsten powder and a preparation method thereof.The preparation method comprises the steps that diluted hydrochloric acid is added into an ammonium tungstate solution to adjust the pH to be acidic, then hydrogen peroxide is added, and a mixed solution is obtained; carrying out vacuum drying on the mixed solution at the temperature of less than or equal to 80 DEG C to obtain a solid substance; and in the hydrogen atmosphere, the solid matter is reduced, the tungsten powder with the high specific surface area and the high activity is obtained, and the specific surface area is larger than or equal to 10 m < 2 > / g. According to the technical scheme, ammonium chloride and peroxotungstic acid are creatively applied to be subjected to low-temperature heating decomposition to generate a large amount of gas to form a porous framework, and therefore the nano tungsten powder controllable in granularity, good in dispersity, high in specific surface area and high in activity is prepared; the performance of the high-specific-surface-area and high-activity nano tungsten powder can be controlled by simply controlling process conditions; and the application potential of the nano tungsten powder as a novel high-performance tungsten material is increased.

The invention belongs to the technical field of bone tissue disinfection treatment, and particularly relates to a method for efficiently cleaning protein of bone tissues, which comprises the following steps: A1, primarily treating the bone tissues, transferring the primarily treated bone tissues into cleaning equipment, and injecting a sodium hydroxide solution; a2, the soaking time is set, the bone tissue is taken out after soaking, and the sodium hydroxide solution is controlled to flow circularly in the soaking process; a3, capturing and filtering solid substances in the sodium hydroxide solution in the circular flowing process of the sodium hydroxide solution; a4, the bone tissue is taken out, alkaline solution residues on the surface of the bone tissue are neutralized, and a water gun is used for flushing the bone tissue. The purity of the solution is maintained through the cooperation of the structure, so that the disinfection efficiency can be maintained and the disinfection effect can be improved when bone tissues are treated.

The invention provides a synthesis method of nonanoic acid-2, 2-dinitropropyl ester, which comprises the following steps: mixing an organic solvent, 2, 2-dinitropropanol, nonanoic acid and a solid acid catalyst, and heating to react; the preparation method of the solid acid catalyst comprises the following steps: mixing and dipping a zirconyl nitrate aqueous solution and microsphere silica gel, separating a solid, carrying out heat treatment on the solid at 80-150 DEG C, soaking the solid subjected to heat treatment in sulfuric acid, and roasting the soaked solid at 400-600 DEG C to obtain the solid acid catalyst. According to the synthesis method of the nonanoic acid-2, 2-dinitropropyl ester, the use of liquid strong acid is avoided, the operation is simple, the corrosion to reaction equipment is reduced, and the solid acid catalyst can be repeatedly utilized.

The invention discloses an extraction method of sebacic acid. The method comprises the following steps: firstly, adjusting sebacic acid fermentation liquor produced by a microbial fermentation method, and accurately controlling the temperature, viscosity and pH value to obtain first mixed liquor; heating and preserving heat to obtain a second mixed solution, and performing membrane filtration; and after the filtrate is subjected to acidification crystallization and solid-liquid separation, solid matters are washed and refined, and secondary treatment can also be carried out. Compared with the prior art, the method is more accurate in parameter control of each step, and key steps such as decoloration pretreatment are added. The prepared sebacic acid product is higher in purity, the content of sebacic acid is larger than or equal to 99.9%, the content of impurities such as water, ash, iron ions and nitrogen is lower, and the color / light transmittance is better. The method can reduce the consumption of acid and alkali and the content of inorganic salt in water, reduces the sewage treatment load, is simple and convenient to operate, is suitable for large-scale industrial production, and has important significance for improving the quality and production benefits of sebacic acid products.

Provided is a member for suppressing deterioration of edible oil, which does not require the use of a special device such as a frying device provided with a circulating filtration mechanism, and thus does not require the replacement of filter paper and filter, and also does not require the collection of solids generated in the edible oil such as oil residues. The edible oil deterioration suppressing member (10) includes: a deterioration suppressing agent (1) including at least one of an oxide and a hydroxide; and a fiber base material for supporting the deterioration inhibitor (1) and used by being immersed in an edible oil.

The application discloses an assembled drainage structure, relates to the technical field of assembled drainage, and comprises a wall body, a connecting ring is arranged at the bottom of the wall body, the connecting ring is fixedly connected with a sealing ring on the side close to the wall body, the bottom of the connecting ring is fixedly connected with a plug rod mechanism, the plug rod mechanism is fixedly connected with an extension rod, the extension rod is fixedly connected with a vertical rod, the vertical rod is fixedly connected with a length adjusting mechanism, the length adjusting mechanism is fixedly connected with a pressing plate mechanism, the bottom of the connecting ring is fixedly connected with a collecting shell, a filter screen is arranged in the collecting shell, the bottom of the collecting shell is fixedly connected with a collecting pipe, an assembled pipe mechanism is arranged below the collecting pipe, a turnover cover mechanism and a limiting clamping rod mechanism are arranged in the collecting pipe, and a discharging cover mechanism is fixedly connected to the side edge of the collecting shell. The plug rod mechanism is arranged to realize the connection and installation of the pressing plate mechanism, the connecting ring and the wall body are connected through the pressing plate mechanism, the relative position of the connecting ring and the wall body is fixed, and the filter screen can block and filter solid matters such as fallen leaves.

Aspects of the present invention relate to a wastewater treatment process (200) and a wastewater treatment plant (1) for treating wastewater. The wastewater treatment process (200) comprises receiving wastewater for treatment. The wastewater is supplied to an electrocoagulation unit (91) to agglomerate solid matter suspended in the wastewater. The wastewater is supplied from the electrocoagulation unit (91) to a mechanical filter apparatus (15). The mechanical filter apparatus (15) comprises a static filter pack (75) for filtering the agglomerated solid matter from the electrocoagulation unit (91). The static filter pack (75) is composed of a plurality of mechanical filter elements 71 each having one or more filter cells (73). The treated wastewater is discharged. Alternatively, or in addition, the wastewater treatment process (200) may include introducing a coagulating agent into the wastewater. The wastewater treatment plant (1) may include a chemical dosing system (97) for introducing the coagulant agent.

A method for controlling enzymatic hydrolysis of biomass-derived feedstock in a manufacturing process of a chemical bioproduct is disclosed. The enzymatic hydrolysis may take place in a hydrolysis reaction mixture. The hydrolysis reaction mixture may comprise solid matter. The method may comprise performing at least one Brix measurement on the hydrolysis reaction mixture; and controlling a dosing of at least one enzyme into the hydrolysis reaction mixture at least partially based on the results obtained from the at least one Brix measurement; wherein the results indicate a content of one or more soluble carbohydrates in the hydrolysis reaction mixture, and wherein the controlling of the dosing of the at least one enzyme into the hydrolysis reaction mixture is performed in order to affect at least the conversion of cellulose and optionally hemicellulose into monomeric carbohydrates in the hydrolysis reaction mixture.

The invention relates to a composition for producing polyurethane foams, comprising (A) a polyol component, (B) a polyisocyanate component, (C) at least one catalyst that catalyzes isocyanate-polyol reactions, isocyanate-water reactions and / or isocyanate trimerization, (D) at least one foam stabilizer, (E) at least one chemical and / or physical blowing agent, (F) at least one solid, wherein the at least one foam stabilizer is selected from the group of polyether siloxanes of a general average composition according to Formula 1: MaMb1DcDd1.

The invention relates to the field of coal washing slurry treatment, and discloses coal washing slurry treatment equipment which comprises a base, a guide rail fixedly mounted on the base and a sliding seat slidably mounted on the guide rail, and further comprises a driving assembly, the driving assembly comprises a supporting rod, one end of the supporting rod is fixedly mounted on the base, and the other end of the supporting rod is fixedly mounted on the sliding seat; a mounting plate is fixedly mounted at the end, away from the base, of the supporting rod, a driving motor is fixedly mounted on the mounting plate, and a gear is fixedly mounted at the lower end of the driving motor. Through cooperation of the driving assembly and the blocking assembly, when the device is used for treating slurry, the driving assembly can drive the centrifugal barrel to rotate, solid matter and liquid matter in the slurry are separated through centrifugal force generated during rotation, and meanwhile, the solid matter and the liquid matter in the slurry are separated; by arranging the blocking assembly, collision friction between solid matter and the device can be reduced, the probability of abrasion of the device is reduced, and economic benefits are improved.

The invention provides an efficient resourceful treatment method for industrial wastewater, and belongs to the technical field of wastewater treatment. The method comprises the following steps: adjusting the pH value of wastewater to be treated to 6.8-7.4, adding a composite reducing agent, reacting to obtain a reaction solution, and filtering and separating the reaction solution to obtain a nitrogen-containing filtrate and filter residues; mixing the nitrogen-containing filtrate, magnesium hydroxide and phosphoric acid, adjusting the pH value to 8.5-9.2, reacting, and centrifuging to obtain a supernatant and a solid matter; and performing post-treatment on the supernate to obtain effluent, and drying the solid matter to obtain the nitrogen fertilizer. According to the method, nitrate nitrogen and nitrite nitrogen in the wastewater are reduced into ammoniacal nitrogen through the composite reducing agent, and then the ammoniacal nitrogen is solidified and crystallized through the nitrogen fixing agent. According to the method, inorganic nitrogen in wastewater is used as a raw material, conversion from nitrate nitrogen to ammoniacal nitrogen is completed by means of a composite reducing agent, efficient fixation of ammoniacal nitrogen is achieved, the situation that nitrogen escapes in the form of nitrogen is avoided, the nitrogen is converted into solid nitrogen fertilizer, and available resources are provided for downstream related enterprises.

The present invention discloses a phase separation device, comprising a cylindrical filter and a spiral mechanism disposed therein. The front end of the cylindrical filter is open, and a valve body is provided at the end. The spiral mechanism comprises a rotating shaft and a spiral blade fixed thereon. The edge of the spiral blade forms an elastic interference fit with the inner wall of the cylindrical filter. The cylindrical filter and the spiral mechanism rotate relative to each other to achieve axial pressurization and radial centrifugation of the matrix inside the cylindrical filter, thereby achieving the separation of different phase substances in the matrix. The solid matter intercepted by the cylindrical filter is pushed by the spiral blade and gathered toward the end of the cylindrical filter. The valve body is connected to a collection mechanism or a conveying mechanism. A phase separation method is also disclosed. The present invention can not only achieve the separation of different phase substances, but also achieve the separation of the same phase substances through additives, and timely and centralized recovery of the additives to avoid secondary pollution caused by the additives. The device and method are suitable for the separation of multi-phase substances in multiple fields such as source water treatment, mud-water separation, and crude oil processing.

The invention provides a method for determining the floating content of a binder of a negative plate and application. The method comprises the following steps: acquiring a first weight loss ratio a0 of a negative electrode material at a first position of the negative plate in a target temperature interval; adding the negative electrode material at the first position into a target solvent for reflux, and then filtering and drying to obtain a solid substance; obtaining a second weight loss ratio a1 of the solid substance in the target temperature interval; obtaining a third weight loss ratio x1 of the binder standard substance and a fourth weight loss ratio x3 of the thickener standard substance; obtaining a first actual mass content of the binder based on a0, a1, x1 and x3; and obtaining the floating content of the binder based on the first actual mass content and the designed mass content of the binder. According to the method for determining the floating content of the binder in the negative electrode plate, the actual content of the binder in the negative electrode material at any position in the negative electrode plate can be quantitatively analyzed, and then the floating content of the binder is obtained by combining the design content of the binder.

The utility model relates to a solid-liquid separation device and a water pump applying the solid-liquid separation device, which solve the problem that solid substances in liquid are difficult to solve in the prior art, and adopt the technical scheme that the solid-liquid separation device comprises a separation cylinder with a liquid inlet, and a flow guide liquid outlet cylinder which is arranged on the separation cylinder and is provided with a liquid outlet, the separation barrel and the flow guide liquid outlet barrel are matched to form a solid-liquid separation channel communicated with the liquid inlet and the liquid outlet, the solid-liquid separation channel at least comprises a liquid inlet channel, a separation channel and a liquid outlet channel, and the tail end of the liquid inlet channel is matched with the flow guide liquid outlet barrel. The device has the advantages that liquid entering the liquid inlet channel impacts the corresponding part of the flow guide liquid outlet cylinder to change the flowing direction and flow into the separation channel, the tail end of the separation channel is matched with the separation cylinder, sand in the liquid in the separation channel is deposited in the deposition structure of the corresponding part of the separation cylinder, and the liquid changes the flowing direction and flows into the liquid outlet channel; and the separated liquid flows out from the liquid outlet, so that solid-liquid separation is realized, the solid-liquid separation effect is good, and the efficiency is high.