36results about How to "Sufficient precipitation" patented technology

The invention discloses efficient sewage treatment equipment which comprises an electrolysis tank and a settling tank, a sliding rail is arranged at the bottom of the electrolysis tank and slidably connected with the top of the settling tank, a conical hopper is arranged in the electrolysis tank, and an electrolysis mechanism is arranged in the conical hopper. A flocculate pushing mechanism and a flocculate discharging mechanism are arranged in the settling box, and a central pollution discharge mechanism is arranged in the center of the bottom of the settling box. According to the efficient sewage treatment equipment, the electrolytic tank and the settling tank are arranged in a matched mode, the good treatment effect on industrial sewage is achieved, harmful impurities in the industrial sewage are treated cleanly, the treatment effect is improved, flocculate discharging is convenient, the chemical reaction rate is increased through arrangement of a flocculate pushing mechanism and a stirring assembly, and the treatment effect is improved. The electrolytic tank and the settling tank are arranged in a sliding connection manner, so that the use convenience is improved, and the effect of automatically discharging sediments and flocculates is realized through the arrangement of a condensate discharging mechanism.

The invention relates to the technical field of drawing oil recovery equipment, in particular to an environment-friendly treatment system for waste aluminum drawing oil in the cable industry, which comprises a first fixing frame, a second fixing frame, a filtering mechanism, a first reaction mechanism and a second reaction mechanism, a filtering mechanism is arranged on one side of the second fixing frame and is used for primarily filtering drawing oil; the filtering mechanism comprises a first supporting frame, a material guiding tank, a filtering tank, a filtering plate, a material scraping strip and a rotating rod; a first reaction mechanism is arranged in the second fixing frame and is used for the first reaction of the filtered drawing oil; and a second reaction mechanism is arranged in the first fixing frame and is used for a second heating reaction of the drawing oil. The waste drawing oil can be subjected to the steps of filtering, heating, chemical reaction and the like, so that oil and metal scraps are separated, and recycling of the drawing oil is achieved.

The utility model discloses a liquid-gas separation device based on a baffling structure, which comprises a separation tank body, an exhaust pipe is arranged at the top of the separation tank body, a liquid discharge pipe is arranged at the bottom of the separation tank body, a gas-liquid separation hopper is coaxially and rotatably arranged in the separation tank body, a rotating fan blade is coaxially arranged at the top of the gas-liquid separation hopper, and the rotating fan blade is coaxially arranged at the bottom of the separation tank body. A liquid inlet pipe is arranged on the side wall, corresponding to the tangential direction of the rotating fan blades, of the separation tank body, a plurality of baffling structures are uniformly distributed on the inner wall of the gas-liquid separation hopper in the circumferential direction, and liquid channels are formed in the bottoms of the baffling structures; according to the liquid-gas separation device, the baffle plate rotates, centrifugal force is applied to materials in the process that the baffle plate collides with the materials, the materials are ensured to be fully stressed, gas in the materials is further ensured to be fully separated out, and the liquid-gas separation effect is improved.

The invention provides a circumferential-in and circumferential-out radial-flow type superimposed sedimentation tank, and relates to the field of sewage treatment, the circumferential-in and circumferential-out radial-flow type superimposed sedimentation tank comprises a bottom plate and a tank wall arranged above the bottom plate, and the tank wall and the bottom plate form a tank body; an annular table is arranged above the pool wall, a water inlet groove and a water outlet groove are formed in the annular table, the water inlet groove is communicated with a sewage inlet, water distribution holes communicated with the pool body are formed in the bottom of the water inlet groove and are formed in the sewage flowing direction, and a water outlet communicated with the pool body is formed in the bottom of the water outlet groove; a water diversion groove is further formed in the annular table, clean water flows into the water diversion groove from the upper end of the water outlet groove, and the water diversion groove is provided with a clean water outlet. The annular grid device is arranged below the water outlet tank, the grid device and the tank wall are arranged at an interval, so that sewage directly enters the tank body, and the water outlet flow path is prolonged in a peripheral inlet and peripheral outlet manner, so that the retention time of the sewage in the tank body is longer, and floc particles in the sewage can be fully precipitated.

The invention provides a graded porous PDMS (polydimethylsiloxane) material as well as a preparation method and application thereof. The preparation method does not involve any complex chemical reaction, is simple in process equipment, easy to implement and high in controllability of material performance, and has a huge prospect of large-scale popularization and application. The hierarchical porous PDMS material has ordered or disordered communicated pore channels, is of a hierarchical porous structure formed by compounding large pores and small pores, and has huge application value in the technical fields of wearable flexible electronic devices, biomedical materials and the like.

The invention relates to a mineral wool sandwich board PIR edge sealing production system and production process. The mineral wool sandwich board PIR edge sealing production system comprises a white material storage tank, a pentane storage tank, an on-line cutting precision mixer, a transition tank, a black material storage tank and a mixing head. Due to the fact that the using amount of edge sealing materials is small, the mixing effect of polyester and pentane is affected, and edge sealing sandwich boards with high fire resistance cannot be manufactured, the system cuts, extrudes, impacts and disperses white materials and pentane in the mixer by increasing flow feeding, and the mixing effect is improved. Due to the fact that the premixing white material amount consumed by the mixing head is small, discharging of the mixing head cannot be interrupted, and the output of the premixing white material is different from the premixing white material amount consumed by the mixing head, in order to achieve flow balance of the premixing white material and the premixing white material amount consumed by the mixing head, flow balance is achieved by increasing the premixing white material flow + intermittent feeding = small flow of the mixing head + continuous discharging. The middle transfer transition device caches the premixed white material to solve the problem of uninterrupted discharging of the mixing head so as to achieve continuous production, and the major problem that online mixing foaming cannot be achieved due to small flow of polyester and pentane is successfully solved.

The present invention discloses a device and method for treating heavy metal wastewater, which relates to the field of sewage treatment, including a reaction cylinder, a wastewater inlet and a reagent inlet are arranged on the top of the reaction cylinder, a drain pipe is arranged on the side of the reaction cylinder, a control valve is arranged on the drain pipe, and a hollow shaft is rotatably connected to the inside of the reaction cylinder, and the hollow shaft is driven by a motor. The device and method for treating heavy metal wastewater can capture and collect the impure heavy metal solid particles in the heavy metal wastewater during the treatment of the heavy metal wastewater through the mutual cooperation between the stirring plate, the water inlet, the hollow shaft, and the inclined filter plate, and under the mutual cooperation between the electric telescopic rod, the sealing plate and the adapter, while the heavy metal solid particles are packaged and captured normally, the wastewater can also be fully mixed and stirred when the initial reagent is put in, so as to ensure the sufficient separation of heavy metal ions in the heavy metal wastewater.

The invention provides a fruit growth regulator and bacteriostatic preservative as well as a preparation method and application thereof, and belongs to the technical field of preservation, pomace is taken as a raw material, and pomace microfibrillated cellulose, pectin and seed oil containing phenolic substances are extracted through organic acid treatment, DES reagent auxiliary mechanical treatment, ethanol water treatment and other treatments; then carrying out hydroformylation modification on nano cellulose, grafting chitosan, and compounding with pectin to obtain dialdehyde microfibrillated cellulose-chitosan-pectin composite particles with pH response performance, and taking the dialdehyde microfibrillated cellulose-chitosan-pectin composite particles as a stabilizer of a Pickering emulsion; the green growth regulator solution is used as a continuous phase, the seed oil mixed Chinese herbal medicine extract is used as a dispersion phase, the controlled-release Pickering emulsion with growth regulation and bacteriostasis effects is prepared, the prepared emulsion is sprayed on berries to form a film layer, the growth process of the berries can be regulated, the fruit yield and quality are improved, and the quality of the berries is improved. And antibacterial substances can be slowly released for preservation when berries are picked and stored.

The present invention belongs to the technical field of chlorfenapyr production, and specifically provides a continuous device for chlorfenapyr crystallization, including a storage tank, the liquid outlet of the storage tank is connected to the liquid inlet of a falling film evaporator, the liquid outlet of the falling film evaporator is connected to a first temporary storage tank, the first temporary storage tank is connected to a condensation crystallizer, the condensation crystallizer is connected to a condensation crystallization kettle, the liquid outlet of the condensation crystallization kettle is connected to the liquid inlet at the top of a particle classification device, the particle classification device includes a shell, a third screen is fixedly arranged on the upper part of the shell, a third discharge port is arranged on the shell on the lower side of the third screen, a second screen is fixedly arranged on the middle part of the shell with a reverse tilt, the screen hole diameter of the second screen is small, a second discharge port is arranged on the shell on the lower side of the second screen, the second discharge port is connected to the condensation crystallization kettle through a pipeline, the third discharge port is connected to the centrifugal separator through a pipeline, and a collection box is arranged at the discharge port of the centrifugal separator. Through the above arrangement, the crystal particle size can be controlled.

The invention discloses an aluminum beryllium enhanced high-conductivity heat-resistant aluminum alloy material and a preparation method thereof, and belongs to the technical field of metallurgical wire rod processing. The aluminum beryllium enhanced high-conductivity heat-resistant aluminum alloy material is prepared from the following components in percentage by weight: 0.12 to 0.16 percent of Si, 0.15 to 0.35 percent of Fe, 0.005 to 0.10 percent of Cu, 0.35 to 0.85 percent of Zr, 0.2 to 0.45 percent of Y, 0.15 to 0.35 percent of Er, 0.005 to 0.03 percent of B, 0.001 to 0.02 percent of Ti, 0.03 to 0.05 percent of Be, less than or equal to 0.5 percent of other impurities and the balance of Al. According to the aluminum alloy single wire, the specific raw material composition is adopted, namely, multiple elements such as Zr, Y, Er and Be are compositely added, and the proportion of the elements is strictly controlled, so that the prepared aluminum alloy single wire achieves synergistic improvement of high strength, high conductivity and excellent heat resistance.

The utility model provides a sewage intercepting and phosphorus removing device for eel breeding tail water, relates to the technical field of eel breeding, and solves the problems that an existing tail water phosphorus removing device is low in phosphorus removing effect and efficiency due to the fact that the existing tail water phosphorus removing device purely depends on chemicals for natural reaction. The tail water dephosphorization device comprises a dephosphorization reaction kettle, a stirring assembly for accelerating the reaction of an agent and tail water through stirring is arranged in the dephosphorization reaction kettle, a heating jacket for accelerating the reaction of the agent and the tail water through heating is arranged on the outer wall of the dephosphorization reaction kettle, and a sewage intercepting box is arranged below the dephosphorization reaction kettle. The tail water treatment device has the beneficial effects that the reaction effect and efficiency of a medicament and tail water can be improved, and phosphorus in the tail water can be fully separated out; and the upper sewage intercepting box is matched, so that precipitated phosphorus substances can be filtered in a layered manner, and later recycling is facilitated.

The application discloses a method for improving notch sensitivity of a GH2909 alloy forge piece and the GH2909 alloy forge piece, and comprises the following steps: S1, selecting a rod-shaped blank to be heated for the first time and kept warm; S2, heating the rod-shaped blank in S1 for the second time and keeping warm; S3, placing the rod-shaped blank in S2, which reaches the keeping-warm time, into a forging equipment to be forged into a shape; S4, rapidly cooling the forge piece obtained in S3; S5, performing surface defect treatment on the cooled forge piece; and S6, performing aging heat treatment on the forge piece after the surface defect treatment. The GH2909 forge piece produced by the method has no persistent notch sensitivity problem, and a forge piece with qualified structure and mechanical properties can be obtained.

The invention provides a hydraulic device with an integrated auxiliary oil tank, relates to the technical field of hydraulic devices, and aims to solve the technical problem that oil filtering impurities in an oil tank of a hydraulic device in the prior art need to be discharged from the oil tank, filtered and then injected back to the oil tank, and operation is troublesome. A hydraulic device with an integrated auxiliary oil tank comprises a device body, a main oil tank and the auxiliary oil tank, the main oil tank and the auxiliary oil tank are both connected with the device body, an oil cavity is formed in the auxiliary oil tank and comprises an oil return area, a cooling area, an oil suction area and a settling area, a partition plate is arranged in the auxiliary oil tank, and the oil return area, the cooling area and the oil suction area are separated on the two sides of the partition plate through the partition plate. A cooling assembly is arranged in the cooling area; the auxiliary oil tank is connected with a plurality of oil pumps; oil inlets of the oil pumps are connected with an oil suction area; the width of the settling area is gradually reduced from top to bottom;

The application discloses a wastewater copper recovery treatment process of a PCB production line, and belongs to the field of PCB processing. 2+ The wastewater copper recovery treatment process comprises the following steps: determining the Fe 2+ content in wastewater, adding hydrogen peroxide into the wastewater with the molar ratio of hydrogen peroxide to Fe 2+ being 1:2-3, maintaining the pH at 2-2.5, reacting for 1-1.5 hours, removing the precipitate through filtration, and obtaining a first mixed solution; adding the first mixed solution into a three-stage reactor, adjusting the reaction pH of each stage of the three-stage reactor through a slow-release alkali agent, and obtaining a second mixed solution; mixing and reacting the ion imprinting polymer suspension and the second mixed solution through a microreactor; and desorption and electrolysis. The application excludes the influence of other substances on copper recovery.

The invention provides a low-resistance temperature coefficient precision resistance alloy and a preparation method thereof. The alloy comprises the following components: less than or equal to 0.04% of C, 1.30%-1.50% of Si, 0.30%-0.55% of Mn, less than or equal to 0.010% of S, less than or equal to 0.010% of P, 19.70%-20.50% of Cr, 3.40%-3.70% of Al, 0.60%-1.0% of Fe and the balance of Ni and inevitable impurities. The alloy has a low resistance temperature coefficient and is widely applied to the fields of aviation, aerospace and high-end instruments and meters. The manufacturing method comprises the steps that smelting is conducted in a vacuum induction furnace, a steel ingot is obtained through casting and vacuum consumable remelting, and then heating, forging and heat treatment are conducted on the steel ingot. In the smelting process, the alloy components are ensured to be accurate by controlling the pressure in the furnace, the oxygen and nitrogen content and the smelting time. And during forging, the temperature is slowly increased to 1050-1060 DEG C, heat preservation is conducted for 2-3 hours, and finally forging is conducted to the needed form. And finally, carrying out heat treatment to improve the mechanical property and the resistance temperature coefficient stability of the material. The manufacturing method can effectively improve the alloy performance, is suitable for production of precision resistor elements, and has a wide market prospect.

The invention belongs to the field of metal steel production, and discloses a steel nitrogen-increasing strengthening treatment method. The production process of the steel comprises the steps of steelmaking, steel ladle alloying, continuous casting, casting blank cutting and rolling. After the steelmaking procedure is finished, when molten steel is tapped and enters a steel ladle, coke nuts are added into the steel ladle along with flowing of the molten steel, the molten steel and the coke nuts are stirred under the dynamic conditions in the tapping process, the coke nuts are melted in the molten steel, and nitrogen increasing is achieved; and adding a vanadium-nitrogen alloy, a silicon-iron alloy, a silicon-manganese alloy, a manganese-iron alloy and an optional deoxidizer into the steel ladle along with the inflow of the molten steel, and alloying the steel ladle. According to the method, the nut coke is added in the early stage of the tapping process, then alloying is conducted, nitrogen increasing is achieved through the nut coke, microalloy elements added into the steel have sufficient conditions to be separated out, second-phase particles are formed, and improvement of the mechanical property of the steel is promoted.

The present invention provides an aluminum-magnesium-silicon alloy monofilament and a preparation method thereof, wherein the alloy monofilament includes, by mass percentage: magnesium: 0.50-0.70%, silicon: 0.30-0.50%, erbium: 0.30-0.50%, lanthanum (cerium): 0-0.08%, boron: 0.01-0.02%, impurity elements vanadium + titanium + chromium + manganese ≤ 0.01%, and the rest are aluminum and unavoidable impurities. The monofilament preparation method includes: smelting, refining, casting, rolling, wire drawing and aging treatment. The present invention obtains an aluminum alloy monofilament with a conductivity of ≥56% IACS (20°C), a tensile strength of ≥300MPa, and an elongation of ≥3.0% by adjusting the ratio of the amount of each component included in the aluminum-magnesium-silicon alloy monofilament and selecting a corresponding preparation process.

The invention belongs to the technical field of aluminum alloy heat treatment, and particularly relates to a heat treatment method for simultaneously improving the strength and ductility of a cast Al-Si-Mg-Cu alloy. The preparation method comprises the following steps: burdening according to the alloy components of the Al-Si-Mg-Cu alloy, smelting and casting to obtain a casting; the casting is subjected to solution treatment and quenching treatment, and then is subjected to natural aging treatment, low-temperature pre-aging treatment and high-temperature final aging treatment to obtain the Al-Si-Mg-Cu series alloy. Through combination of natural aging, low-temperature pre-aging and high-temperature final aging, sufficient precipitation of a strengthening phase in the cast alloy is promoted, and the comprehensive mechanical property of the Al-Si-Mg-Cu alloy is improved. After the Al-Si-Mg-Cu alloy is subjected to solid solution quenching, a nucleation point and a GP region are mainly formed in the natural aging stage, a fine dispersed GP region and a beta '' pre-precipitation phase are mainly formed in the low-temperature pre-aging stage, a theta '' phase and a beta '' phase are precipitated in the high-temperature final aging stage, and finally double precipitation phase strengthening of the theta '' phase and the beta '' phase is achieved.

The invention discloses atmospheric desulfurization equipment and method for environmental protection engineering, and relates to the technical field of atmospheric desulfurization equipment.The atmospheric desulfurization equipment comprises a desulfurization tower, the upper end of the desulfurization tower is connected with a smoke exhaust pipe in a sealed mode, the output end of the smoke exhaust pipe is fixedly connected with an air pump, and the output end of the air pump is fixedly provided with an anti-reflux smoke pipe; and an atomization desulfurization mechanism is arranged in the smoke exhaust pipe, and a desulfurizer supply mechanism is arranged on the side, away from the air pump, of the desulfurization tower. Through cooperation of a material guide plate and a material guide hole, a preliminarily crushed desulfurizing agent is guided, through cooperation of continuous rotation of a conical grinding pestle plate, the desulfurizing agent intersecting on the lower side of the material guide hole and the upper end of the conical grinding pestle plate is continuously ground, and ground powder flows to the bottom face of an inner cavity of a grinding box through gaps of reinforcing rib plates; the third rotating motor drives the material turning wedge claw to rotate, reciprocating turning of powder is achieved, it is guaranteed that gas in the desulfurizing agent powder is fully separated out, and the effectiveness of gas extraction is improved.

The invention discloses an automatic treatment system for a metal pickling waste acid solution, which comprises a pickling tank used for carrying out pickling operation on a metal surface and generating a waste acid solution in the process; the cooling crystallization unit is used for receiving the waste acid solution from the pickling tank and promoting metal salts in the waste acid solution to be separated out and crystallized through a cooling process; the solid-liquid separation unit is used for receiving the mixture output by the cooling crystallization unit and separating the mixture into metal salt crystals and acid liquor; the metal salt crystal collecting device is used for collecting the metal salt crystals separated by the solid-liquid separation unit; the evaporation and concentration unit is used for receiving the acid liquor output by the solid-liquid separation unit and increasing the concentration of the acid liquor in the acid liquor through an evaporation and concentration process; compared with the prior art, the concentrated acid liquor flows back to the pickling tank to form closed-loop circulation, so that cyclic utilization of resources is realized.

The VOCs treatment device of the gas station is provided with an air inlet device and a separation device, the separation device is arranged on one side of the air inlet device, the air inlet device is an air inlet separation barrel, a flow dividing channel is arranged in the air inlet separation barrel, a flow dividing pipeline is arranged on the separation channel, and the flow dividing pipeline is communicated with the separation device. A waste residue treatment part is arranged at the bottom of the air inlet separation barrel, airflow distribution can be balanced and local vortexes can be avoided due to the design of flow dividing channels, sub-pipelines arranged in the separation tank body and the treatment reaction barrel form a gridding filtering system, modular combination is achieved through threaded screwing, the VOCs molecular adsorption capacity can be enhanced, and the treatment effect can be improved. And blocked filter holes can be quickly disassembled and cleaned, so that continuous and efficient operation of the system is guaranteed.

The utility model belongs to the technical field of waste lead-acid storage battery treatment equipment, and particularly discloses a slurry feeding and discharging device of a lead slime precipitation machine, which comprises a first-stage vibrating screen A, a first-stage vibrating screen B, the lead slime precipitation machine, a second-stage vibrating screen, an acid liquor circulating tank I and an acid liquor circulating tank II, materials screened by the first-stage vibrating screen A and the first-stage vibrating screen B are conveyed to the rear part of the lead slime precipitation machine, and materials screened by the second-stage vibrating screen are conveyed to the middle part of the lead slime precipitation machine; an overflow port at the front part of the lead slime precipitation machine is sequentially connected with the acid liquor circulating tank I and the acid liquor circulating tank II in series; the acid liquor circulating tank I is connected with a sludge pump, and the acid liquor circulating tank II is connected with a water inlet pipe of the first-stage vibrating screen A, a water inlet pipe of the first-stage vibrating screen B and a water inlet pipe of the second-stage vibrating screen through an acid liquor circulating pump and connected with a feeding port of the second-stage vibrating screen through a water power separating pump. The vibrating screen is simple and compact in structure, convenient to transport and install, and capable of effectively solving the problems of screen body deformation and cracking and bearing damage caused by overlarge load during operation.

The invention provides a complex microbial inoculant for cadmium treatment and a preparation method and application thereof, the complex microbial inoculant comprises biochar, hydroxyapatite and a gas-producing klebsiella inoculant, and in the complex microbial inoculant, the surface of the biochar is loaded with a large amount of gas-producing klebsiella and phosphate ions. When the prepared complex microbial inoculant is applied to cadmium treatment, the cadmium fixation effect is excellent, meanwhile, environmental pollution is avoided, and both environmental benefits and economic benefits are considered.

The utility model relates to the technical field of wastewater treatment, and discloses a zinc plating wastewater recovery treatment device which comprises a mixing pool, a rotating rod and a rotating pipe, the rotating rod and the rotating pipe are transversely and rotatably installed on the two sides in the mixing pool respectively, the rotating rod and the rotating pipe are located in the middle positions of the two sides in the mixing pool respectively, and a ring rod is fixed to the outer ring of the rotating rod through a connecting rod. An annular pipe is fixed to the outer circle of the rotating pipe through a connecting pipe, four transverse pipes are transversely and evenly connected between the annular rod and the annular pipe, a plurality of spray heads communicated with the interiors of the transverse pipes are evenly arranged on the surfaces of the inner sides and the outer sides of the transverse pipes, and the spray heads obliquely face one side of the annular rod. According to the technical scheme, the horizontal pipe driven to rotate is arranged in the mixing tank, the zinc plating wastewater can be stirred, and a precipitant is introduced into the horizontal pipe to act towards the left side opposite to the wastewater, so that the precipitant and the wastewater can be better mixed and react; the mixing efficiency is better; the precipitation is sufficient; and the waste of the precipitant is reduced.

The utility model discloses an efficient sedimentation tank, which belongs to the technical field of sedimentation tanks and comprises an operation table, a sedimentation tank is fixedly connected to the upper surface of the operation table, a material injection pipe is fixedly communicated to the upper surface of the sedimentation tank, a controller is fixedly connected to the front surface of the sedimentation tank, and two sewage pumps are fixedly connected to the inner wall of the sedimentation tank. Two groups of supporting legs are fixedly connected to the bottom surface of the operating table, a rotating motor is rotationally connected to the inner wall of the settling tank, and a stirring shaft is fixedly connected to the output end of the rotating motor. According to the efficient sedimentation tank, by arranging the controller, the sewage pump and the rotating motor, impurity particles can be sufficiently and efficiently precipitated, wastewater is stirred through the stirring shaft, sufficient dissolution of the wastewater and a precipitation chemical agent is facilitated, and precipitation of impurities is facilitated; and meanwhile, the particles can continuously collide with the inclined plate under the stirring effect, and the solid particles are precipitated on the surface of the inclined plate and then fall into the storage box under the gravity effect.

The invention discloses a heat-resistant creep-resistant aluminum alloy conductor and a preparation method thereof, and belongs to the field of preparation of aluminum alloy conductive cable materials. The aluminum alloy conductor disclosed by the invention is prepared from the following components in percentage by mass: 0.25 to 0.75 percent of Fe, 0.25 to 0.75 percent of Ni, 0.2 to 1 percent of Me and the balance of aluminum and inevitable impurities. Me is composed of La, Nd, Sc, Zr and Ce. Fe and Ni in a fixed proportion are introduced into an aluminum matrix, meanwhile, specific types of mixed rare earth elements, Sc and Zr elements are introduced, and the technology of large-strain extrusion, multi-pass continuous drawing and subzero treatment matched with continuous heat treatment is utilized; therefore, multiple nanoscale precipitated phases are precipitated in aluminum matrix grains, micron-sized dispersion strengthening phases are formed at grain boundaries, and the strength, the ductility, the conductivity and the creep resistance of the aluminum alloy conductor are improved synergistically through multiple scales and multiple kinds of alloy phases.

The application provides a process for recycling aramid spinning flush material, and belongs to the technical field of high-risk solid waste recycling, and aims to solve the technical problem that PPTA resin is easy to degrade during neutralization and washing recovery.The recycling process comprises the following steps: (1) collecting aramid spinning flush material lumps and cooling at low temperature; (2) soaking the cooled flush material lumps in ice water / ice slurry, replacing the ice water / ice slurry for multiple times until the leaching liquid is weakly acidic and stable; crushing the flush material lumps; (3) soaking the crushed flush material lumps in weakly alkaline ice water / ice slurry to neutralize residual acid, and then crushing the flush material lumps again by using a crushing device, and washing, drying and obtaining recycled PPTA resin particles.The application realizes harmless treatment and resource utilization of the aramid spinning flush material containing a large amount of sulfuric acid and aramid resin generated during aramid spinning, improves economic benefits and reduces environmental pollution.

The utility model provides a centrifugal analysis device for soil detection, which belongs to the technical field of soil detection and comprises a lower base. The upper moving seat is arranged at the upper end of the lower base; the acquisition base is fixedly connected to the upper end of the lower base; the collecting cylinder is arranged in the collecting base; the connecting block is arranged on the lower side of the upper moving seat; the centrifugal cylinder is arranged in the collecting cylinder; the soil cover plate is arranged on the upper side of the centrifugal cylinder; the two groups of clamping assemblies are arranged, each group of clamping assembly comprises a fixed insertion block, a fixed groove, an insertion groove, a spring groove, a push plate, a fixed spring and a fixed clamping block, and after one-time centrifugation is completed, a new centrifugal barrel is directly replaced for centrifugal sampling, so that the soil sampling efficiency when massive sampling is needed is improved.

This invention belongs to the field of dressing preparation technology, specifically relating to a mussel protein dressing with anti-inflammatory, antibacterial, moisturizing, repairing, and wound-healing effects, and its preparation method. The invention comprises the following raw materials by weight: 15-25 parts mussel adhesive protein ferment, 2-5 parts reed extract, 6-10 parts geranium extract, 4-8 parts mannitol, 10-15 parts glycerin, 0.6-1 part sodium chloride, 0.2-0.5 parts p-hydroxyacetophenone, 1-2 parts 1,2-hexanediol, 0.05-0.1 parts ectoine, and 100-200 parts water. This invention utilizes a specific combination of mussel adhesive protein ferment, reed extract, and geranium extract to facilitate the synergistic effect of each active substance and fully release its efficacy. Therefore, the technical solution of this invention has the advantages of more comprehensive functions and more significant effects, enabling anti-inflammatory, antibacterial, moisturizing, repairing, and wound-healing effects.

The invention is applied to the technical field of health food, and discloses a food for assisting in preventing tumors, which comprises the following components in parts by weight: 25-65 parts of grifola frondosa, 35-55 parts of schizophyllum commune, 24-57 parts of tricholoma matsutake, 18-64 parts of laetiporus sulphureus, 7-15 parts of cordyceps flower, 30-50 parts of coprinus comatus and 450 parts of water. According to the food for assisting in preventing tumors, according to the principle that mushroom polysaccharides can improve immunity and prevent tumors, through multiple rounds of screening, on the basis of the traditional Chinese medicine yin-yang theory and the medicine compatibility principle, the food which takes multiple edible mushrooms as main materials and compound mushrooms for improving immunity and preventing tumors as a base material is combined; according to the present invention, the purpose of auxiliary tumor prevention is achieved, the effect of relieving the abnormal blood glucose causing the tumor is provided, and the different medicinal substances in the materials can be completely separated out and cannot be excessively damaged during the boiling process through the low temperature infiltration and batch boiling of the different materials.