24results about How to "Accelerated precipitation" patented technology

The utility model discloses an efficient precipitation separation device for an enzyme preparation, and relates to the technical field of enzyme preparation processing. An organic solvent such as acetone or ethyl alcohol and an enzyme preparation are injected into the medicine box through the feeding pipe, after the driving machine is started, the driving wheel on the outer side of the driving machine can conduct circular motion around a circle, and therefore the limiting plate and the movable column can conduct circular motion in the vertical direction; furthermore, the medicine box can do reciprocating motion in the box body in the vertical direction, precipitation of the enzyme preparation can be accelerated under the cooperation of the organic solvent, and the subsequent effect is guaranteed; after the motor is started, the separation barrel can be driven to do circular motion, so that liquid medicament in the separation barrel can be centrifuged, the purpose of efficient separation can be achieved, and when the separation barrel rotates, the limiting seat synchronously does circular motion on the inner bottom wall of the box body, so that effective supporting of the separation barrel can be achieved, and inclination or shaking is avoided; and the actual use effect can be ensured.

The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.

The present application belongs to the technical field of environmental remediation and soil ecological engineering, and particularly relates to a modified iron biochar-humus-sulfate-reducing bacteria (SRB) composite system for realizing efficient immobilization and ecological remediation of cadmium (Cd 2+ ) in heavy metal contaminated soil. The system can enhance the stability of microbial colonies and has the characteristics of physical and biological synergistic passivation, thereby realizing long-term stabilization and ecological remediation of heavy metals.

The utility model relates to the technical field of metal water jet cutters, and discloses a water jet cutter assembly which comprises a water jet cutter body and a liquid storage pipe which are connected with each other, and a plurality of water jet cutter jet orifices are formed in the water jet cutter body. The filtering device is connected with the liquid storage pipe, and the filtering device is located between the water inlet of the liquid storage pipe and the water jet scalpel body on the flowing path of the liquid. The filtering device is installed on a key circulation path between the water inlet of the liquid storage pipe and the water jet cutter body, liquid is intercepted in the last link before entering the water jet cutter body, the passing probability of residual particles is remarkably reduced, and the residual particles are prevented from entering the water jet cutter jet orifice; and the whole system shutdown time caused by impurity accumulation can be shortened, and the production efficiency is improved.

The utility model provides a multivalent salt removal reactor of a landfill leachate material separation desalination system, which comprises a reaction tank and a mixing and stirring pool communicated with the reaction tank, a clear water area, a precipitation reaction area, a reflection collision area and a bottom mud bucket are arranged in the reaction tank, a precipitation buffer area is arranged on the mud bucket, and a mixing assembly and a conical reflection plate are arranged in the reflection collision area. The mud bucket is communicated with the mixing and stirring tank through a salty mud discharging pipe; the mixing assembly comprises a shell, a first mixing cylinder and a mixer; according to the utility model, through the first mixing cylinder diversion groove and the second mixing cylinder diversion hole of the mixing assembly, multivalent salt strong brine and a crystallizing agent are fully mixed twice and are sprayed out from the liquid spraying hole to collide with the conical reflecting plate, so that the uniform mixing is ensured, and the reaction efficiency is improved; full mixing and collision of the multivalent salt strong brine and the crystallizing agent are achieved through the mixing assembly and the conical reflecting plate, and crystallization and precipitation are accelerated in combination with the ultrasonic vibration rod.

The present application relates to lithium ion battery cathode material preparation technical field, and is a kind of preparation method of nitrogen-phosphorus-potassium co-doped carbon-coated lithium-rich lithium iron phosphate cathode material, comprising the following steps: cocoa powder is added dropwise with acetic acid solution, after reaction, dropwise add hydrogen peroxide, add lithium hydroxide, and the pH of mixed solution is controlled by the amount of deionized water added;After adding deionized water and carbon-coated lithium iron phosphate precursor, stir evenly, vacuum freeze-drying is carried out, and the product is obtained after sintering treatment of dry product in inert atmosphere.Cocoa powder resource is renewable, environment-friendly, and can provide rich nitrogen, phosphorus and potassium elements to complete the doping modification of carbon-coated lithium iron phosphate.The present application provides an environmentally friendly, clean and simple cathode material modification and synthesis idea, and the prepared cathode material has good rate performance and capacity performance.

This invention discloses a method for the comprehensive utilization of calcium and magnesium solution and CO2, comprising the following steps: S11: using high-salt calcium and magnesium wastewater and CO2 tail gas as raw materials, the high-salt calcium and magnesium wastewater contains CaCl2 and MgCl2, water-soluble amine is added to the high-salt calcium and magnesium wastewater and mixed, and CO2 tail gas is introduced to carry out a mineralization reaction, generating calcium carbonate precipitate, water-soluble amine hydrochloride and magnesium bicarbonate; S12: solid phase calcium carbonate is obtained by solid-liquid separation, oil-soluble amine is added to the separated liquid phase, HCl in the water-soluble amine hydrochloride is extracted, the water-soluble amine is regenerated, and oil-soluble amine hydrochloride and magnesium carbonate trihydrate precipitate are generated; S13: after phase separation, the aqueous phase is separated by solid-liquid separation to obtain liquid phase water-soluble amine and solid phase magnesium carbonate trihydrate, and the oil-soluble amine hydrochloride in the oil phase is pyrolyzed to obtain regenerated oil-soluble amine and HCl gas. This invention utilizes a water / oil dual-phase amine-enhanced calcium-magnesium solution mineralization CO2 and an extraction-pyrolysis synergistic regeneration cycle process to achieve harmless treatment and resource utilization of both calcium-magnesium-containing high-salt wastewater and CO2 tail gas.

The utility model discloses a kind of anti-fouling water treatment devices, belong to civil engineering technical field, and the cover plate of the present anti-fouling water treatment device is covered in the opening end of depositing tank, cover is arranged in the cover body of depositing tank, and anti-siphon pipe is arranged on cover body. Among them, inlet pipe and outlet pipe are equipped on depositing tank, a plurality of air holes are opened in cover plate, and cover plate is used for intercepting floating matter. Cover body is communicated with outlet pipe, and the opening end of cover body is lower than outlet pipe. Grating and filter screen are equipped in depositing tank, after water flow enters depositing tank from inlet pipe, it reaches tank bottom by passing grating downwards, then it enters cover body by passing filter screen and resistance component upwards, and finally it is discharged through outlet pipe. Anti-siphon pipe is communicated with cover body and external air, for balancing air pressure to prevent siphon phenomenon. The utility model can effectively intercept floating matter and suspended matter by multiple filtering structure, promote sedimentation, avoid pipeline blockage, guarantee drainage unobstructed, and improve water quality.

The invention relates to the technical field of industrial wastewater resourceful treatment, and provides a glass thinning etching waste liquid and waste residue resourceful method which comprises the following steps: treating glass thinning etching waste liquid by adopting a sodium chloride precipitation method to obtain first filter residue and first filtrate; neutralizing the glass thinning etching waste residues with ammonia water to obtain second filter residues and second filtrate; adding the second filter residue into the first filtrate, adding a part of the second filtrate, and stirring for reaction to obtain a third filter residue and a third filtrate; adding sodium fluosilicate seed crystals and sodium chloride into the third filtrate, and reacting to obtain fourth filter residues and fourth filtrate; lime is added into the fourth filtrate to adjust the pH value to be 11 or above, meanwhile, a modified flocculant accounting for 1-5% of the mass of the fourth filtrate is added, and a fifth filter residue and a fifth filtrate are obtained through a reaction; synergistic recycling of the glass thinning etching waste liquid and waste residues can be achieved, and particularly step-by-step recycling of the glass thinning etching waste residues can be achieved.

A method for strengthening methane in-situ combustion fracturing, liquid carbon dioxide is pressurized and heated to form supercritical carbon dioxide, which is then sent into the fracturing channel to form a complex fracture network around the fracturing channel; mixed fracturing fluid formed by mixing supercritical carbon dioxide and fly ash is injected into the well bottom; combustion-supporting agent is injected into the wellbore and mixed with the mixed fracturing fluid at the well bottom to enter the complex fracture network together, so that a multiphase mixed fluid is formed in the complex fracture network; the annulus valve is closed to promote mineralization reaction of supercritical carbon dioxide and fly ash under the temperature and pressure conditions of the reservoir, and to form high-strength minerals; the mineralization reaction is used to promote the desorption of methane in the reservoir and into the complex fracture network, so that methane-combustion-supporting agent mixed gas is formed in the complex fracture network; the combustion process is used to promote the dust cloud formed by the mixing of fly ash and gas in the complex fracture network, to strengthen the effect of methane in-situ combustion; and the fracturing reconstruction of all layers is completed. The fracturing effect of the method is ideal.

The utility model discloses a kind of precast beam forming die, it is related to precast beam forming die technical field, comprising: U-shaped frame;It is located on the top die module, bottom die module of U-shaped frame, and side die module is set on bottom die module;The side die module includes longitudinally movable N-shaped frame, the N-shaped frame is set on bottom die module by the rectangular slot of the middle part being set;It is located on the movable module of N-shaped frame, two end plates;And be provided on the inclined plate transmission component of top die module.This utility model is set to inclined plate transmission component, in the process of top die module, bottom die module combination or stripping, the gathering or separation process of side die module is realized simultaneously, the production efficiency of precast beam is significantly improved, in addition, the morphological adjustment characteristics possessed by the movable module, further satisfy the production of multiple types of precast beam, improve the application range of device.

The present application relates to the technical field of medical materials, in particular to a premixed calcium silicate-niobium compound composite root canal filling agent, a preparation method and application. The composite root canal filling agent comprises: (a) a calcium silicate compound, (b) a phosphate compound, (c) a calcium compound, (d) a niobium compound, (e) a barrier material, (f) a non-aqueous phase solvent miscible with water, and (g) an organic substance, wherein the total amount of components (a), (b), (c), (d), (e) and (g) accounts for 60-95% of the total mass of the filling agent, and the component (f) accounts for 5-40% of the total mass of the filling agent. The filling agent has the advantages of fast solidification, good biological activity, excellent antibacterial performance and easy popularization and application.

The utility model discloses an inclined plate separator for slurry treatment, which comprises a separation box, a slurry inlet is arranged on the top of one side of the separation box, a clear water outlet is arranged on the other side of the separation box, a plurality of inclined plate components are obliquely arranged in the separation box, and a U-shaped sedimentation channel is formed between every two adjacent inclined plate components. The front side edge and the rear side edge of the inclined plate assembly are fixedly connected through a sealing plate, a plurality of protrusions are arranged on the surface of the inner side of the U-shaped sedimentation channel and are in a prismatic table shape, the tips of the protrusions face upwards, a buffer plate is arranged at the position, below the mud inlet, in the separation box, a plurality of flow guide grooves are fixedly formed in the upper surface of the buffer plate, and sewage is evenly distributed into the inclined plate assembly. Compared with the prior art, the inclined plate separator has the advantages that the inner side of the U-shaped precipitation channel of the inclined plate assembly is provided with the frustum-shaped bulge with the upward tip end, so that the laminar flow state of water flow can be effectively destroyed, solid particles are easier to collide and condense, the precipitation process is greatly accelerated, and the precipitation efficiency is obviously improved compared with a traditional smooth inclined plate separator.

The utility model discloses a hydraulic flushing device for the surface of a secondary sedimentation tank, which relates to the technical field of sewage treatment equipment and comprises a mounting frame, mounting plates fixedly connected to the lower side of a limiting ring, a gear ring fixedly connected between the two groups of mounting plates, a rotating mechanism mounted on the lower side of a fixed seat, and a support plate fixedly connected to the outer part of the mounting plate, a water storage tank is fixedly connected to the tail end of the supporting plate, multiple sets of pressurizing plates distributed at equal intervals are arranged on the lower side of the supporting plate, a water pumping mechanism is installed on the lower side of the supporting plate, and a straight pipe spray head is fixedly connected to the bottom of the water storage tank. According to the device, pool water is pumped through a self-priming pump for circulating flushing, water flow is compressed through micropores of a pressurizing plate to form high-pressure jet to scatter floating sludge, a water storage tank is matched with a straight pipe spray head to vertically impact moss in a groove, and meanwhile a gear drives a mounting plate to rotate to drive the spray head to cover moss in multiple angles; and integrated efficient cleaning of the pool surface and the groove is realized.

The invention discloses a low-carbon high-efficiency artificial purification wetland system. The low-carbon high-efficiency artificial purification wetland system comprises a sedimentation tank, a percolation dam, an aeration tank, a primary submerged plant tank and a secondary submerged plant tank which are sequentially communicated through water channels. According to the method, the wetland carbon sequestration capability, the purification efficiency and the economic benefit are improved by preparing the aquatic plants which grow fast and are high in economic benefit. Solar energy is adopted, carbon emission is reduced, an aerator is arranged, dissolved oxygen of a water body is increased, emission of wetland greenhouse gas methane is reduced, and the purification efficiency is also improved. By optimizing the configuration of the wetland structure, the physical effects of precipitation, filtration, adsorption and the like are enhanced, the absorption and utilization of plants and the decomposition of microorganisms are enhanced, and the purification efficiency of the wetland is improved.

This invention discloses a method for full-cycle carbon dioxide sequestration based on multiphase reaction filling materials, relating to the field of carbon sequestration, comprising the following steps: adding gaseous SiO2 and nano-CaO particles to the filling material as gas-entraining agents and transport enhancers; injecting CO2 gas into the filling slurry to form a gas-liquid two-phase dispersion system, and adding a surfactant with a mass fraction of 0.05%-0.2% to the filling slurry; transporting the filling slurry to the downhole filling area through a delivery pipeline, and installing an online rheometer in the delivery pipeline; after the filling slurry is injected into the goaf, injecting CO2 into at least one of the top, bottom, and sidewalls of the goaf through a gas injection pipeline until a gas-liquid-solid three-phase reaction interface is formed; monitoring its strain and acoustic emission signals in real time, and when a sudden change in signal is detected, determining that a new fracture has been generated or an existing fracture has expanded, and injecting CO2 gas into the target fracture through a pre-embedded gas injection pipeline.

The present disclosure provides a method for recovering phosphorus from a nickel-containing iron phosphate mother liquor, comprising the following steps: S1: mixing the nickel-containing iron phosphate mother liquor with an iron source solution and adding iron phosphate seeds to obtain a first slurry; S2: mixing the first slurry with an oxidizing agent and heating to obtain a second slurry; S3: performing solid-liquid separation on the second slurry to obtain a post-phosphorus recovery liquid and iron phosphate dihydrate, and mixing the iron phosphate dihydrate with concentrated sulfuric acid and a reducing agent to obtain an acid leaching liquid containing phosphate after solid-liquid separation.

The utility model is applied to the technical field of breeding tail water treatment, and discloses a bullfrog breeding tail water treatment device which comprises a transfer base, treatment frames are fixedly arranged on the two sides of the transfer base, sedimentation water purification mechanisms are arranged on the surfaces of the treatment frames, and efficient purification of tail water of a frog field is achieved through planting of aquatic plants and natural sedimentation of impurities. The sedimentation water purification mechanism comprises a flow guide channel and a connecting channel, the flow guide channel and the connecting channel are fixedly arranged on the upper surfaces of the two ends of the treatment frame respectively, a receding groove is formed in the side surface of the treatment frame, one end of a discharging channel penetrates through the lower end of the receding groove, and the other end of the discharging channel penetrates through the outer side surface of the treatment frame. According to the bullfrog breeding tail water treatment device, the collaborative design of the continuous S-shaped flow guide channel, the connecting channel and the treatment channel is adopted, the natural precipitation efficiency is improved by prolonging the tail water retention time, and physical precipitation and biodegradation can be synchronously achieved in cooperation with a biological purification system formed by aquatic plant planting.

The invention discloses an intelligent decision algorithm model design and development auxiliary system, and relates to the technical field of computer software, and the system comprises a data flow and feature engineering pipeline which is used for automatic data processing and feature construction; the model factory and hyper-parameter autonomous optimization engine is used for automatically generating and optimizing a model based on Bayesian optimization; the multi-dimensional evaluation and decision-making cockpit is used for carrying out comprehensive performance evaluation and visual comparison on the candidate models; and the full-life-cycle tracing and knowledge graph module is used for systematically recording and managing experimental knowledge. The invention aims to solve the problems of fragmentization of a model development process, low hyper-parameter tuning efficiency and weak experiment management, realizes full-process automation and intelligent coordination from data to model deployment, improves development efficiency and model performance, and promotes precipitation and reuse of knowledge.

The application provides a mountainous region initial rainwater multifunctional coupling system, comprising: a interception energy dissipation initial rainwater purification module, an ecological retention deep purification module and a clear water recycling module; the interception energy dissipation initial rainwater purification module is used for intercepting the initial rainwater of the mountainous region, and the intercepted initial rainwater is subjected to energy dissipation and purification; the ecological retention deep purification module is used for receiving and processing the water body from the interception energy dissipation initial rainwater purification module, and the suspended solids in the water body are promoted to precipitate by prolonging the residence time of the water body; the clear water recycling module is used for conveying the purified water body to each water use point. The four functions of interception-energy dissipation-purification-landscape are integrated into one, not only solving the problem of mountainous region initial rainwater treatment, but also realizing the fundamental change from passive prevention to active production of water resources.

The invention belongs to the technical field of cosmetics, and particularly relates to a composition for improving low-temperature precipitation of glabridin lipidosome as well as a preparation method and application of the composition. Specifically, the composition comprises glabridin lipidosome and a hyaluronic acid-asiaticoside lipidosome assembly, and the mass ratio of the glabridin lipidosome to the hyaluronic acid-asiaticoside lipidosome assembly is (2-3): (1-2); wherein the glabridin liposome is prepared from a raw material containing a bacillus fermentation product solution. After the composition for improving the low-temperature precipitation of the glabridin lipidosome, provided by the invention, is treated by a specific preparation method, the low-temperature precipitation phenomenon of the glabridin lipidosome can be obviously improved. Besides, all the components of the composition for improving low-temperature precipitation of the glabridin lipidosome have a certain synergistic effect on inhibition of melanin synthesis, so that the whitening efficiency of the glabridin is improved, and the composition has a good practical application value.

This utility model discloses a hydraulic oil tank for a hydraulic oil pump. The tank body has cross-sections formed at a set of diagonal sides, one of which has an oil suction port and the other has an oil return port. The oil suction port's pipe extends into the tank body and connects to a coarse filter. The coarse filter is connected to a funnel-shaped expansion suction head via a threaded connector. The oil return port's outlet is connected to a fine filter, which is connected to a one-way throttle valve. The one-way throttle valve is connected to a flow-regulating pipe, which is curved and located within the tank body. This invention adds a funnel-shaped expansion suction head at the oil suction port to reduce suction resistance and minimize inlet disturbance. The addition of a flow-regulating pipe at the oil return port slows down the return oil flow. Combined with the 45° oblique cut, this effectively disperses the impact force of the oil and reduces disturbance. Furthermore, the diagonal distribution of the oil suction and return ports extends the oil flow path, promoting impurity sedimentation and air separation.

This invention relates to the field of metal surface modification and high-temperature coating preparation technology, and particularly to a method for laser surface cladding of eutectic composite reinforcing phases of titanium alloys, comprising TiN, SiC, and ZrO. 2 Three different types of reinforcing phase powders were added to Ti-Al-Co powder to form alloy powders containing reinforcing phases, which were then pre-placed on the surface of titanium alloys to form a pre-coating. The pre-coating was then clad using a laser cladding machine under high-purity argon protection to obtain a titanium alloy with a eutectic cladding layer. Experimental analysis of the mechanical properties and high-temperature oxidation resistance of the Ti-Al-Co / TiN, Ti-Al-Co / SiC, and Ti-Al-Co / ZrO2 eutectic composite cladding layers generated by laser cladding revealed the effect of the eutectic structure on improving the plasticity and toughness of the composite cladding layer and the mechanism by which the reinforcing phase inhibits the growth of rutile TiO2 in the oxide film. This invention adds TiN, SiC, and ZrO2 to the Ti-Al-Co alloy coating material. 2 This further enhances the high-temperature oxidation resistance and anti-friction and wear resistance of the coating.