133results about How to "Quick removal" patented technology

The invention belongs to the technical field of ceramic materials, and particularly discloses whisker toughened zirconium oxide-aluminum oxide composite ceramic and an additive manufacturing method thereof, the composite ceramic comprises the following components by mass: 94 parts of zirconium oxide toughened aluminum oxide ceramic and 5 parts of silicon carbide whisker; the zirconium oxide toughened aluminum oxide ceramic is prepared from the following components in parts by mass: 76 parts of aluminum oxide and 24 parts of zirconium oxide, and 3mol% of yttrium oxide is added into the zirconium oxide. According to the whisker toughened zirconium oxide-aluminum oxide composite ceramic and the additive manufacturing method thereof, the preparation method has unique design of components and process, and the preparation of a high-density and high-performance ceramic-based composite material part based on a fused deposition modeling technology is successfully realized. Further, the prepared silicon carbide whisker toughened zirconium oxide-aluminum oxide-based composite ceramic has relatively high density and excellent obdurability.

This invention relates to the field of wastewater treatment technology, and in particular to a wastewater purification and reuse device based on a membrane bioreactor. Addressing the limited removal efficiency of pollutants adhering to membrane elements in existing technologies, this invention provides a wastewater purification and reuse device based on a membrane bioreactor. The device includes a treatment tank containing a membrane bioreactor assembly. The assembly includes an assembly frame with multiple membrane elements mounted on it. Scrapers that cooperate with the membrane elements are located on both sides of a horizontal plate. A cleaning assembly also includes a vertically movable frame. When the frame moves downwards, the horizontal plate moves downwards, and the scrapers clean the outer surface of the membrane elements downwards. A movable scraper is located on a support, and a collection box is located on one side of the support. When the scraper moves to one side, the collection box opens. By directly scraping away impurities adhering to the outer surface of the membrane elements, suspended solids, colloidal particles, microbial flocs, and other pollutants on the membrane surface can be removed quickly and effectively.

The utility model discloses a digital temperature control type electric blanket controller, which relates to the technical field of electric blanket controllers and comprises a controller body, a protective net cover is arranged on the lower surface of the controller body, a group of heat dissipation grooves are formed in the lower surface of the controller body, and a fixing seat is fixedly connected to the lower surface of the controller body. A protective net cover is arranged on the surface of the heat dissipation groove for protection, external foreign matter is prevented from entering the controller body through the heat dissipation groove, when the protective net cover needs to be detached, a pressing block is pressed to drive a limiting block fixed to the pressing block to move together, the limiting block moves downwards to break away from clamping connection with the protective net cover, limiting is opened, and the protective net cover is detached. At the moment, the protective net cover can slide to be disassembled, the protective net cover is connected through two rectangular grooves formed in the controller body, grooves are formed in the rectangular grooves to limit the protective net cover, the detachable protective net cover is convenient for a user to regularly take down for cleaning, and the ventilation performance of the net cover is kept.

This invention relates to the field of water treatment, specifically to an iron-doped biomass resource-based water treatment catalyst, its preparation method, and its application. The preparation of the water treatment catalyst includes the following steps: Step 1, drying and dehydrating recovered pigeon manure; Step 2, finely sieving the dried pigeon manure; Step 3, heat-treating the purified pigeon manure in a muffle furnace to obtain resource-based biochar; Step 4, ball milling dopamine hydrochloride, ferric chloride hexahydrate, and resource-based biochar at a mass ratio of 1:(5-15):(80-100); Step 5, calcining the ball-milled material in a tube furnace at 850-950℃. The water treatment catalyst provided by this invention can rapidly reduce the antibiotic content in wastewater, while accelerating antibiotic removal under ammonia nitrogen conditions. It achieves long-term continuous purification during long-term reaction, exhibiting good stability and removal effect, and is beneficial for achieving low-cost treatment of agricultural waste and efficient purification of new pollutant wastewater.

The utility model discloses a plastic pushing and removing mechanism for spline shaft processing, which comprises a box body and an upper pushing head at the top of the bottom of a spline shaft, the box body is provided with a removing mould for positioning the bottom of the spline shaft, the top of the box body is provided with a pressing mechanism, the upper pushing head is fixedly arranged on the pressing mechanism, and the removing mould is arranged on the box body. And a return mechanism for pushing the spline shaft out of the interior of the removal mold is arranged on the box body and located in the removal mold. According to the spline shaft removing device, the bottom of a spline shaft can be preliminarily positioned through the removing die, then the downward pressing mechanism operates and drives the upper pushing head to descend, positioning is conducted through the upper pushing head and the upper portion of the spline shaft, and then the downward pressing mechanism continuously moves, so that the spline shaft can continuously move along the interior of the removing die; in this way, the plastic part in the spline shaft can be rapidly removed through the removal mold, and after the plastic part of the spline shaft is removed, the arranged reset mechanism can push the spline shaft out of the interior of the removal mold.

The utility model discloses a kind of cleaning devices for shock absorber spring surface treatment, it is related to shock absorber spring surface cleaning technical field, including machine case body and filter frame, the filter frame is set in the machine case body inside, and upper end extends out the machine case body, and with the machine case body movable connection.The utility model is cooperated with the use of machine case body, filter frame, partition, water shaking mechanism, auxiliary lifting mechanism, lifting assembly, limiting piece and limiting block, to some extent, it is improved or solved that existing ultrasonic cleaner is washed to shock absorber spring, spring is often disorderly stacked and easily leads to staggered winding, so that cleaning fluid is not fully permeated to gap, affect cleaning effect and subsequent pick up, and spring needs to be salvaged manually after washing, it is complicated and laborious to operate and there is security risk, at the same time, spring surface is left with a large amount of cleaning fluid, which is not easy to remove quickly, affect subsequent drying process, reduce overall cleaning efficiency.

An ultrasonic cleaning device for aluminum alloy wheels includes two cleaning tanks, I and II, arranged horizontally side by side. Each tank includes a body. A support plate for placing the aluminum alloy wheel is installed in the lower part of the tank body. The support plate is horizontally positioned and has water filter holes. A support shaft is vertically installed through the bottom wall of the tank body. A horizontally positioned support rod is installed on the top of the support shaft. Several ultrasonic transducers are mounted on the support rod. A drive device is installed on the outer wall of the tank body to drive the support shaft and the ultrasonic transducers to rotate and adjust their positions via the support rod. A rotary dynamic seal is installed at the junction of the support shaft and the tank body. This device is easy to operate, highly efficient in cleaning, and can thoroughly clean all parts of the alloy wheel using ultrasonic waves, removing impurities without dead angles. The process is gentle and does not damage the appearance or performance of the wheel, helping to ensure the product quality of the aluminum alloy wheel.

The invention belongs to the technical field of semiconductor material polishing, and particularly relates to an alkaline polishing solution for a silicon carbide substrate as well as a preparation method and application. According to the alkaline polishing solution for the silicon carbide substrate, the colloidal SiO2 nano abrasive and the alpha-Al2O3 nano abrasive are used as compound abrasive, the particle size of the alpha-Al2O3 nano abrasive is controlled to be smaller than that of SiO2 nano abrasive in the colloidal SiO2 nano abrasive, the pH is adjusted to be 9.5-13.0, and components such as ferrite, oxidizing agent hydrogen peroxide and sodium pyrophosphate are added; bulges and defect layers on the surface of the silicon carbide substrate can be quickly removed in the polishing process, and Rad can be efficiently obtained; the alkaline polishing solution is a high-performance alkaline polishing solution for the silicon carbide substrate, and the technical problem that in the prior art, the polishing solution is low in performance can be solved.

The application provides a plastic container injection molding equipment and belongs to the technical field of injection molding equipment. The injection molding equipment comprises a main body and a fixed mold assembly. The fixed mold assembly is fixedly connected to the top of the main body. The top of the main body is fixedly connected with a fixed plate. The injection molding equipment further comprises a demolding mechanism. The injection molding equipment can apply a short-distance pushing force to the plastic container on the movable mold assembly multiple times during the process that the movable mold assembly separates from the fixed mold assembly and moves to the fixed top plate. The surface adsorption force between the plastic container and the mold block on the movable mold assembly is gradually reduced. After the demolding pushing column and the inner wall of the piston pushing cylinder abut, the piston pushing cylinder and the dispersion gas box are directly pushed out of the embedded hole, so that the length of the piston pushing cylinder protruding on the protruding mold block of the movable mold assembly is not too long. The phenomenon that the just-formed plastic container is directly pushed to separate from the mold block on the movable mold assembly and thus the just-formed plastic container is poked or broken is avoided. The production qualification rate and the production efficiency of the product are improved.

The utility model provides a screw conveyor convenient to unload, relates to the technical field of screw conveyors, and comprises a conveyor upper shell and a lower arc-shaped shell, the lower end of the conveyor upper shell is engaged and clamped with the lower arc-shaped shell, the left side of the conveyor upper shell is welded with a left support frame, and the right side of the conveyor upper shell is welded with a right support frame; a transmission plate is welded to the end face of the rear side of the lower arc-shaped shell and connected with fixing blocks through fixing rods, the fixing blocks are welded to the rear side ends of the left supporting frame and the right supporting frame, worm wheels are installed on the rod faces of the left sides of the fixing rods, and worms are connected to the front sides of the worm wheels in an engaged mode. The utility model solves the problem that the energy consumption of the screw conveyer is increased due to the fact that the excess materials in the conventional common screw conveyer for unloading at the linear end part need to be cleaned and discharged in time and the unloading path of a longer machine body is longer.

The utility model discloses a kind of online feeding devices of stick board cake, comprising: working hopper, opening is equipped on working hopper, and taking material table is equipped at opening;Nozzle assembly, including the mechanical arm movably being equipped on working hopper, nozzle being equipped at the end of mechanical arm and clamping assembly being equipped on nozzle;Storage barrel, it is equipped on working hopper, and the outlet of storage barrel is located at the opening of working hopper;Pusher device, including the push plate for pushing stick board cake, push plate can be slidably arranged in storage barrel.This feeding device automatically pushes stick board cake by pusher device, automatically clamps stick board cake by clamping assembly, and stick board cake is used to wipe spinneret face, all automatically in the whole process, without manual operation, to facilitate quickly remove dirt, oil stain, residual impurities etc. On the spinneret face, save time and effort, and stick board cake feeding efficiency is high, can promote the efficiency of cleaning board, finally improve product production efficiency.

This invention discloses an antifouling membrane made of lanthanum-loaded carbon nanomaterials suitable for phosphorus recovery in wastewater, its preparation method, and its applications. The invention involves loading lanthanum carbonate octahydrate onto the surface of multi-walled carbon nanotubes (MWCNTs) to form lanthanum-loaded carbon nanomaterials (La@MWCNTs), which are then deposited onto the surface of a polyethersulfone-based membrane using vacuum filtration to form a self-supporting membrane. The prepared lanthanum-loaded carbon nanomaterial antifouling membrane possesses both phosphorus removal and recovery capabilities, exhibiting high efficiency in phosphorus removal from water. This facilitates phosphorus elution and recovery, effectively solving the problems of lanthanum-loaded carbon nanomaterial aggregation and recovery, and effectively avoiding the risk of lanthanum-based adsorbent leakage during phosphorus removal. Furthermore, the lanthanum-loaded carbon nanomaterial antifouling membrane operates within a low-pressure range, exhibiting low energy consumption and effectively mitigating membrane fouling caused by humic acid. It shows promising application prospects in wastewater phosphorus recovery and eutrophication control.

The application belongs to the technical field of medical devices, and discloses a tick removing and storage device, which comprises a box body and a hand-held handle. The box body is divided into a first storage compartment and at least two second storage compartments by a partition plate. The top of the second storage compartment is provided with a first opening. A one-way channel assembly is arranged at the first opening to completely seal the first opening. A key plate is hingedly connected to the first opening by a torsional spring. One end of the hand-held handle is provided with a removable remover, and the other end is provided with an opening assembly. The remover comprises a pair of tweezers or a spade. The one-way channel assembly comprises a plurality of circumferentially distributed blocking pieces. The blocking pieces are in the shape of a sector. Two adjacent blocking pieces are partially stacked in sequence to form a continuous cover. The blocking pieces are made of a high-elasticity material. The application is suitable for ticks of different sizes and can ensure that the ticks enter the storage compartment without contact. Through the ingenious design of the dark plate and the light-reflecting plate, the ticks in the retention area can be guided to enter the active area, which is convenient for subsequent centralized processing.

The invention discloses a layered double-metal hydroxide composite carbon fiber material as well as a preparation method and application thereof. The material is a layered double-metal hydroxide carbon fiber compound of which the surface is loaded with anion intercalation. According to the invention, through ion exchange and induced recrystallization, layered double hydroxides with different nanoscale interlayer spacing are successfully generated on the surface of the carbon fiber, the catalytic efficiency of the composite material is obviously improved, and the reactive activity of the composite material is enhanced. The material can quickly and efficiently remove organic pollutants in a water body, has a removal rate of 90% or more on aniline in the water body, has good anti-interference ability on common anions in the water body, and has no significant degradation performance after being recycled. The raw materials involved in the material are low in cost, easy to obtain and wide in source, the energy consumption in the preparation process is low, and the material has wide application prospects in the field of wastewater advanced treatment.

This application discloses a method and apparatus for removing turbulence structures from the surface of wind turbine blades. The method includes: identifying turbulence structures on the surface of a target blade using a flight device; adjusting the relative position of a spray assembly of the flight device relative to the turbulence structure in response to the identification of the turbulence structure; and controlling the spray assembly to spray cleaning fluid onto the turbulence structure in response to the relative position meeting preset conditions, so as to dissolve the turbulence structure. According to the embodiments of this application, after the blade is hoisted, the turbulence structure on the blade can be automatically identified by the flight device, and the turbulence structure on the blade can be removed quickly, efficiently, and safely by spraying cleaning fluid onto the turbulence structure.

The invention discloses a steel pipe cleaning mixed solution, a preparation method thereof and a method for cleaning pollutants on the surface of a steel pipe, and belongs to the field of metal surface treatment. The invention aims to solve the problems of low cleaning efficiency, non-uniform surface treatment effect, poor system stability and the like due to the adoption of a single acidic medium or a simple compound system in the traditional steel pipe cleaning method. According to the method, a mixed solution composed of nitric acid, ammonium bifluoride, sodium sulfate, 1-hydroxyethylidene-1, 1-diphosphonic acid, pyridinium propane sulfonate, a brightener, an emulsifier and water is adopted as a steel pipe cleaning medium. The steel pipe cleaning agent is scientific in formula component matching, high in cleaning efficiency, capable of effectively improving the surface state of a steel pipe, simple, convenient and feasible in operation process, environmentally friendly, suitable for batch cleaning treatment of related steel pipes and good in practicability and economical efficiency.

The utility model discloses a portable landscaping pruning equipment, include: main body unit, it includes main body frame, the main body frame bottom surface fixedly arranged with the handle, set up in the cleaning unit of main body unit inside, it includes the cleaning part and the collection part at its bottom surface, the cleaning unit is used for washing operation to blade, set up in the pruning unit of main body unit inside, it includes the connecting part and is located at its front pruning part, the pruning unit is used for pruning the vegetation of landscaping garden, the cleaning part includes two fixed plates fixedly connected in the left and right end front of main body frame. The utility model discloses through being provided with the cooperation work of cleaning part and collection part, make in the landscaping pruning work, after the quick branch and leaf pruning, the sludge and water drop adhered on the pruning blade surface can be removed quickly, thereby in the subsequent pruning work, will not appear the problem such as rust, influences the pruning effect of subsequent.

A river ecological dike dam comprises a bottom frame body, a storage shell is arranged on the bottom frame body, and the upper surface of the storage shell is obliquely arranged; the storage shell comprises bottom supporting rods connected with the bottom frame body, a plurality of vertical supporting rods are arranged on the bottom supporting rods, a bottom supporting net is arranged between every two adjacent bottom supporting rods, and a vertical supporting net is arranged between every two adjacent vertical supporting rods. Lateral supporting nets are arranged between the bottom supporting rods and the vertical supporting rods which are oppositely arranged, and gaps among the bottom supporting nets, the vertical supporting nets and the lateral supporting nets are filled with coarse sand. According to the device, the mode that the device is arranged at the bottom of the dike dam is adopted, the collecting and filtering effects on shoreside sundries and garbage can be achieved, water and soil loss can be prevented, and under some conditions needing greening, some plants suitable for the conditions can be planted by internally arranging coarse sand so as to meet the greening requirement.

This invention provides a highly efficient and energy-saving adhesive removal device and method, belonging to the field of roller adhesive removal technology. It includes a shell, a cabinet door, a first turntable, a limiting plate, a second turntable, an electric push rod, an outer washing brush wheel, an inner washing brush wheel, a drive mechanism, and an adjustment mechanism. The shell has a cleaning chamber and an installation chamber inside. The cabinet door is hinged to the outside of the cleaning chamber. The first turntable is rotatably connected to the lower inner wall of the cleaning chamber, and its top has several lower positioning grooves. The limiting plate is fixedly connected to the inner wall of the cleaning chamber. The second turntable is located below the limiting plate, and its bottom has several upper positioning grooves. Several electroplating rollers are detachably connected between the lower and upper positioning grooves. It can adapt to electroplating rollers of different lengths and widths. Compared to traditional single cleaning methods, it can clean multiple electroplating rollers simultaneously, automating the operation, greatly improving work efficiency, reducing operating costs and energy consumption, and expanding its application range.

The application provides a multistage composite microporous membrane electrode and a preparation method and water treatment and purification method thereof. The multistage composite microporous membrane electrode comprises an inorganic ceramic microfiltration membrane, an anode electrocatalytic active layer and a cathode electrocatalytic active layer; the anode electrocatalytic active layer and the cathode electrocatalytic active layer are respectively located on the two sides of the surface of the inorganic ceramic microfiltration membrane; the thickness of the inorganic ceramic microfiltration membrane is 2-6 mm, the thickness of the anode electrocatalytic active layer is 100-800 nm, and the thickness of the cathode electrocatalytic active layer is 1 micrometer-1 mm; the inner wall of the pore of the inorganic ceramic microfiltration membrane is loaded with silicon zeolite nanocrystals; and the particle size of the silicon zeolite nanocrystals is 50-200 nm. When the multistage composite microporous membrane electrode is used for water treatment and purification, oxygen molecules can be efficiently enriched in micropores, the conversion efficiency of hydroxyl radicals is improved, and the efficient removal of refractory organic matter is realized.

This utility model discloses a wood dusting machine, including a frame and a dust collection hood. The dust collection hood is installed at the top of the frame, and lifting frames are symmetrically installed at the bottom of the dust collection hood, all connected to the frame. A right positioning frame is installed on the inner wall of one set of lifting frames, and a left positioning frame is installed on the inner wall of the other set. An exhaust pipe is installed at the center of the top of the dust collection hood. Support frames are installed on the side walls of the lifting frames. Positioning frames are symmetrically installed on the top of the frame on both sides of the lifting frames, and limit strips are installed on the top of the frame on one side of each positioning frame. This utility model not only realizes the automatic conveying and dusting operation of wood for wood processing, facilitating the rapid removal of dust from the wood surface and conveniently clamping and aligning the wood during conveying, preventing the wood from becoming misaligned or uneven in length, but also improves the neatness of the wood and the dusting effect, thus increasing the efficiency of wood dusting.

The utility model discloses a diamond grinding belt, including the body of a belt, the outside of body of a belt is covered with diamond micro powder layer, the diamond micro powder layer is formed by diamond micro powder and adhesive mixture and is attached to the body of a belt after. The utility model provides technical scheme through adopting diamond micro powder as abrasive, has high hardness, good wear resistance and other specific, compares ordinary grinding belt, can more efficiently cut material in the grinding process, thereby improves grinding efficiency and grinding accuracy.

The invention relates to the technical field of roadbed detection equipment, and discloses a fly ash roadbed compactness detection device which comprises a pulling vehicle, a supporting frame is arranged on the pulling vehicle, a driving mechanism and a detection mechanism are arranged on the supporting frame, and the detection mechanism comprises a connecting frame, a plurality of lifting mechanisms, a sand measuring mechanism, a cleaning mechanism, a pit digging mechanism, a collecting mechanism and a base plate. The lifting mechanism comprises a vertical frame and a lifting table, the driving mechanism drives the detection mechanism to rotate, the sand measuring mechanism discharges and weighs standard sand, the cleaning mechanism cleans a roadbed, the pit digging mechanism digs pits in the roadbed, the collecting mechanism collects the standard sand in roadbed holes after detection, and the base plate positions the roadbed detection position. The coal ash roadbed compaction degree detection device realizes standardization, precision and high efficiency of coal ash roadbed compaction degree detection, the whole process of the device replaces manual operation by machinery, the problems of hole wall collapse, sand scattering, impurity residue and the like are effectively avoided, and the labor intensity of detection personnel is greatly reduced.

The utility model relates to a medicine and food homology effect improving and stabilizing device which comprises a conveying belt assembly, an installation frame is connected to the conveying belt assembly, an air cylinder is installed on the upper portion in the installation frame, a first upper installation plate is connected to the telescopic end of the air cylinder, and second upper installation plates are slidably connected to the left portion and the right portion of the first upper installation plate. The front portion of the second upper mounting plate is connected with a heating plate, the front portion of the first mounting plate is also connected with a heating plate, the rear portion of the mounting frame is connected with three fans, and three mold bases are placed on the conveying belt assembly. The heating plate is arranged and heats the first upper mounting plate and the second upper mounting plate which are adjacent, the shielding curtain can enable the interior of the mounting frame to be in a relatively sealed state, so that heat loss is reduced, meanwhile, the fan can promote warm air in the mounting frame to flow, the flowability of medicine powder particles can be enhanced, and the service life of the medicine powder particles is prolonged. Powder adhesion is reduced, powder loss is reduced, and the fusion effect is improved.

The application provides a system and a process for preparing oxygen-free copper from recycled copper. The system comprises a smelting device for melting the pretreated recycled copper to obtain copper liquid; an oxidizing device having a first output end in communication with the interior of the smelting device for delivering oxygen to the interior of the smelting device through the first output end; a reducing device having a plurality of second output ends in communication with the interior of the smelting device through the bottom wall of the smelting device for delivering carbon monoxide to the interior of the smelting device through the second output ends; and a slag removal device for removing primary impurities and secondary impurities on the surface of the copper liquid. The application achieves efficient removal of impurities.

The utility model relates to a trackless tunnel type car washing machine which is characterized in that a main body is of a frame structure, two ends of the frame structure are respectively provided with a car inlet and a car outlet, cleaning components such as a transverse brush, a brush holding mechanism and a high-pressure water jet cutter are assembled on the frame, positions of the transverse brush and the brush holding mechanism are respectively and accurately adjusted by a first driving mechanism and a second driving mechanism to adapt to different car types, and a guide mechanism is arranged on the ground under the frame. A guide rod, an anti-deviation rod and a guide steel bar are used for guiding vehicles to accurately enter and exit, a sensor monitors the distance and height of the vehicles and transmits signals to a control panel, then a driving mechanism is intelligently controlled to adjust the strength and a cleaning mechanism switch, and an air blowing mechanism is installed at one end of a vehicle outlet and drives a draught fan through a third motor to quickly blow-dry water of a vehicle body. The car washing machine gets rid of the constraint of a rail, has the self-adaptive adjusting capacity, achieves efficient cleaning and blow-drying, improves the car washing quality and efficiency, is safe, reliable and high in intelligent degree, and powerfully solves many defects of a traditional car washing machine.

The present application relates to the technical field of metal precision forming, and particularly relates to a copper micro-channel liquid cooling radiator and a liquid forming manufacturing method thereof, which comprises the following steps: S1, a soluble ceramic core with a micro-channel negative structure is prepared by using a template method, and the surface of the core is pretreated to reduce the wetting angle; S2, the pretreated core and an outer mold sprayed with a release agent are assembled to form a casting cavity; S3, copper liquid subjected to flowability improvement treatment is smelted and cast in a vacuum or a protective atmosphere; S4, directional solidification of the casting is guided by using multi-section induction heating combined with online temperature control; and S5, the core is removed by chemical dissolution. Through the synergy of bidirectional wetting control, a template method soluble core and directional solidification technology, the present application realizes high-quality and low-cost batch manufacturing of a complex three-dimensional micro-channel copper radiator, and the prepared radiator has a complete micro-channel structure and high internal density, and is suitable for high-power heat dissipation scenes in the fields of high-performance computing, power electronics, new energy and the like.

The present application relates to the biological field, and particularly to a weak acid buffer and its use in an immunopeptidome separation reagent, the weak acid buffer comprising amino acids and / or polypeptides, the mass-to-charge ratio of the amino acids and / or polypeptides being theoretically predictable and experimentally reproducible, or the mass-to-charge ratio being beyond the preset acquisition range of a mass spectrometer; the weak acid buffer further comprising a volatile acid, the volume concentration of the volatile acid being 0.01% to 10%; and the pH of the weak acid buffer being 3.0 to 3.5. The weak acid buffer of the present application has high compatibility, can maximally avoid pollution and signal interference to an analysis system, has a simple experimental procedure, and the overall operation can be completed within tens of minutes, thus having low technical threshold and high acceptability; can improve the number of immunopeptide groups identified, thus improving the efficiency of the experiment; and the reagent is cheap and easy to obtain, thus the method has low cost, is suitable for large-scale or even industrial use, has high universality, and the like.

The application discloses industrial sludge solid waste disposal into nutrient soil and a manufacturing process thereof, and relates to the technical field of sludge treatment. When the impurity-removing grid plate is flipped upward together with the screened impurities, and the impurity-removing grid plate and the upper intercepting grid plate are staggered, the impurities are left on the surface of the upper intercepting grid plate and fall onto the guide inclined plate along the surface. The driving motor drives the rotating rod and the impurity-removing grid plate to continuously rotate. The impurity-removing grid plate screens and removes the impurities in the sludge entering the treatment box, and the impurities in the sludge are fished out. The impurity-removing grid plate is staggered with the upper intercepting grid plate and the lower intercepting grid plate during the rotating process, the fished-out impurities are left on the surface of the upper intercepting grid plate, the waste residues in the sludge are quickly removed, the residues are prevented from being mixed into the nutrient soil during the manufacturing of the nutrient soil, the nutrient soil cannot be normally crushed, and the component proportion and the nutrient characteristics of the nutrient soil are affected. The impurities are removed during the conveying of the sludge, and the operation mode is convenient.

The invention provides a preparation method of micro-powder-free cobalt hydroxide, belongs to the technical field of lithium ion battery material preparation, and solves the problems that the content of micro powder is high and the synthesis process is difficult to control when the cobalt hydroxide is prepared in the prior art. The method comprises the following operation steps: preparing a solution, carrying out a synthetic reaction, aging, washing, drying and the like, and synthesizing a crimson beta-type cobalt hydroxide product with a product index D0 greater than or equal to 3 microns and regular morphology by controlling the temperature of a synthetic raw material solution at-5 to + 5 DEG C and controlling proper synthesis conditions. The cobalt hydroxide prepared by the method is regular in microstructure, does not contain fine micro-powder particles, and can be used for preparing cobaltosic oxide required by high-voltage lithium cobalt oxide.