26results about How to "Reduce total usage" patented technology

The invention discloses an in-situ leaching liquid injection system and method for high-altitude ionic rare earth ore, and belongs to the field of rare earth hydrometallurgy. The system is composed of a liquid injection well pattern, a layered liquid injection device, a first liquid supply system, a second liquid supply system and a collection system. Exploring the thickness of an ore body weathering crust and vertical distribution of rare earth / impurities; the liquid injection hole is vertically divided into an upper layer liquid injection area (1 / 3-1 / 2 of the upper part) and a lower layer liquid injection area (1 / 2-2 / 3 of the lower part); a 1.0-1.4 wt% low-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the upper layer, and co-leaching of impurities such as aluminum and iron is reduced; 1.5-2.5 wt% of high-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the lower layer to ensure efficient leaching of rare earth; and rare earth-rich leaching liquid is collected. Compared with a traditional full-layer high-concentration process, the method has the advantages that the use amount of a leaching agent is reduced by 20-40% while the rare earth leaching rate is kept to be larger than or equal to 90%, the aluminum ion concentration of the leachate is reduced by 30-60%, the agent cost and the follow-up impurity removal load are remarkably reduced, and the method is particularly suitable for the high-altitude, low-temperature, low-air-pressure and thick-weathered crust environment.

This utility model discloses a centrifugal wastewater collection device for the production of sodium dichloroquinoline-8-quinoline carboxylate, belonging to the field of wastewater collection technology. It includes a centrifugal filtration device, a distillation tower, an oxidation tank, a membrane filtration system, an activated carbon adsorption box, and a recovery water tank arranged sequentially. The activated carbon adsorption box includes a box body with several symmetrically arranged support legs at the bottom. An outlet is located at the top of the box body, an inlet is located on the bottom side wall, and a wastewater outlet is located at the center of the bottom. The box body has a water distribution layer, a coarse-particle activated carbon layer, and a fine-particle activated carbon layer distributed sequentially from bottom to top. This centrifugal wastewater collection device for the production of sodium dichloroquinoline-8-quinoline carboxylate purifies the wastewater after centrifugation, allowing it to be reused as process water or cooling water, reducing the amount of fresh water required.

This invention discloses a pellet preparation process based on fibrous bentonite slurry-enhanced pelletizing, belonging to the field of pellet preparation technology in the iron and steel industry. The process includes: wetting iron concentrate to 2.5%~3.5% moisture content; mixing with a first portion of bentonite, followed by sequential high-intensity mixing and milling to obtain pelletizing material; feeding the material into a pelletizer; after the mother pellets are prepared, atomized spraying of fibrous bentonite slurry replaces the addition of water during pelletizing, allowing the pellets to grow to qualified green pellets. The fibrous bentonite slurry is prepared by mixing a second portion of bentonite and water at a mass ratio of 1:5~20, and stirring for 4~6 minutes at a revolution speed of 120~130 r / min and a rotation speed of 280~290 r / min. This invention achieves uniform distribution of bentonite within the pellets through graded moisture control and precise spraying, reducing the total bentonite usage from 1.6% to 1.2% while ensuring pellet quality, significantly reducing bentonite consumption and achieving cost reduction, efficiency improvement, energy conservation, and emission reduction in pellet production.

The application discloses a water-saving method in the preparation process of iron oxide red, which is characterized by washing the filter cake formed after pressure filtration in the process of pressure filtration and washing of iron oxide red slurry, wherein the washing comprises: first washing the iron oxide red filter cake with secondary washing water, and the water after washing the filter cake forms primary washing water; second washing the iron oxide red filter cake with tertiary washing water, and the water after washing the filter cake forms secondary washing water; third washing the iron oxide red filter cake with clean water, and the water after washing the filter cake forms tertiary washing water; and the total amount of clean water used for washing each batch of iron oxide red filter cake is: when the conductivity of the primary washing water exceeds the rated value, the primary washing water is used for slaking the calcined iron oxide red, and the application fully utilizes the washing water at each stage and maximally saves the amount of clean water.

The utility model discloses a honey container convenient for taking honey, two long grooves for a taking assembly to move up and down are formed in a bottle cap, and one end of a taking device is movably connected with a connecting pipe; the taking device comprises a taking assembly arranged in the bottle cap and used for moving up and down, an extrusion pump used for conveniently collecting honey into the bottle body is arranged in the taking assembly, and a telescopic assembly used for driving the taking assembly to move up and down is arranged in the bottle cap. Therefore, due to the arrangement of the taking device, a user can conveniently control the taking amount of the honey, and the problem that the honey is easy to adhere and drop in a traditional taking mode is solved; due to the design of the slender pipe, the contact area between honey and air is reduced, oxidation and deterioration of the honey are delayed, and the freshness and taste of the honey are kept; the threaded connection of the bottle cap and the bottle body ensures the sealing performance of the container, effectively prevents the honey from being affected with damp and going bad, and prolongs the shelf life of the honey.

The invention discloses a gel electrolyte precursor, a gel electrolyte and a secondary battery, and relates to the technical field of gel electrolytes. Wherein the gel electrolyte precursor comprises a first flame retardant and a second flame retardant, the first flame retardant comprises ethyoxyl (pentafluoro) cyclotriphosphazene, and the second flame retardant comprises phosphate ester; on the basis of the mass of the gel electrolyte precursor, the total mass fraction of the first flame retardant and the second flame retardant is 4-9.5%. The ethyoxyl (pentafluoro) cyclotriphosphazene flame retardant and the phosphate flame retardant are introduced into the gel electrolyte precursor, and due to synergistic flame retardance of the ethyoxyl (pentafluoro) cyclotriphosphazene flame retardant and the phosphate flame retardant, the total dosage of the flame retardants in the precursor is reduced, and a good flame retardant effect can be achieved; a battery assembled by the gel electrolyte precursor keeps relatively high ionic conductivity and good electrochemical cycle performance.

A method of manufacturing a product (P), wherein said method comprises the steps of: preparing a multilayer element (1) comprising at least 80% of a non-extruded material (2) in solid phase and comprising at least one layer (2) which is barrier to liquids and / or oxygen; housing the multilayer element (1) in a mould (100) between a female portion (101) defining a forming cavity (102) and a punch (103) movable along a first longitudinal axis (X); compressing the multilayer element (1) by displacing the punch (103) towards a bottom wall (102a) of the cavity (102); and moving at least one lateral slide (104) of the female portion (101) defining the forming cavity (102) towards said punch (103); the step of moving the lateral slide (104) is performed so as to compress the multilayer element (1) between the slide (104) itself and the punch (103).

This utility model relates to a gas-fired trolley-type heater with internal denitrification, comprising a furnace body with several main burners mounted on it. The main burners are arranged in pairs facing each other, forming a group. The reversing valves of the two facing main burners are in different operating states, allowing them to operate in different states. Several environmentally friendly small burners are distributed on the furnace body wall, spaced apart from the main burners. The main burners and the environmentally friendly small burners are connected to a fuel pipe via a control valve assembly. This utility model, by incorporating environmentally friendly small burners to form small burner groups, works in conjunction with burner groups consisting of two or four burners to efficiently treat nitrogen oxides within the furnace body, significantly reducing the content of nitrogen oxides and other harmful substances in the flue gas and improving the heater's performance.

The application discloses a kind of coal gangue brick tunnel kiln waste heat self-provided negative pressure self-driven low-carbon intelligent SNCR denitration method, belongs to industrial kiln flue gas purification technical field.The present application relies on kiln firing section-150~‑300Pa self-owned negative pressure, extracts 1%~2% of total flue gas volume, temperature 600~750℃ High-temperature flue gas as power and heat source, without external fan and compressed air throughout, energy consumption is reduced by more than 75%.Flue gas is mixed cavity side wall tangent inflow, urea solution is sprayed from the top opposite side, overall flow passage is 5° below bias and forms no guide vane forced vortex, gas-liquid mixing time is extended to 0.3~0.45s;Combined with mixed cavity 400~550℃ primary pyrolysis and kiln 850~950℃ secondary pyrolysis, urea is completely decomposed.System reuses three original sight holes of kiln body, and the spraying station is automatically switched through temperature measurement linkage, and the response is ≤3s.The device is installed outside the bypass, without new hole, without production modification, without interfering with kiln thermal, and the qualified rate of brick billet is kept above 98%, with the advantages of low energy consumption, high stability, easy landing.

The invention relates to the technical field of plant active ingredient extraction, and particularly discloses a method for efficiently preparing paeonol from moutan bark based on improved aqueous two phases. The method comprises the following steps: (1) extracting moutan bark powder in an aqueous two-phase system for 6-8 hours at 35-40 DEG C, and separating to obtain an upper phase solution rich in paeonol; wherein the aqueous two-phase system is composed of a sodium dihydrogen phosphate aqueous solution, tetrahydrofuran, ethanol and ethyl acetate, and the pH value of the sodium dihydrogen phosphate aqueous solution is 3.0-4.0; (2) sequentially carrying out vacuum concentration and drying on the upper-phase solution to obtain a paeonol crude product; and (3) recrystallizing the crude paeonol product for 4-6 hours by using a 70-75 vol% ethanol aqueous solution at 4-10 DEG C, filtering and drying in vacuum to obtain high-purity paeonol. The method provided by the invention can significantly improve the partition coefficient, yield and product purity of paeonol, reduce the use amount of the organic solvent and shorten the extraction time, has the advantages of environmental protection, simplicity, convenience, low production cost and the like, and is suitable for large-scale production.

This invention relates to the field of wastewater treatment technology, specifically to a papermaking wastewater treatment process based on mitigating sludge calcification, comprising the following steps: S1: pretreatment, S2: calcium separation treatment, S3: deep decalcification treatment, S4: deep treatment, S5: anaerobic biological treatment, and S6: recovery treatment. In this invention, the treatment agent added during the calcium separation treatment process achieves large-scale separation of calcium ions from the water in a gentle manner. Subsequently, in the deep decalcification treatment, a weakly acidic cation exchange resin is used for fine treatment. These two processes work synergistically to fundamentally and significantly reduce the calcium ion load entering the subsequent anaerobic biological treatment system, completely changing the conditions under which calcium carbonate deposits on the sludge surface in the biological treatment tank. This effectively solves the fundamental technical problem of reduced activity, decreased fluidity, and equipment scaling and clogging caused by sludge calcification.

The invention relates to the field of superconducting tape manufacturing, and provides a superconducting magnet coil tape combination method based on different formulas, which comprises the following steps: S1, acquiring magnetic field characteristics of coils at different positions of a superconducting magnet, the magnetic field characteristics comprising a ratio of a vertical magnetic field component to a parallel magnetic field component in a magnetic field, and a ratio of the vertical magnetic field component to the parallel magnetic field component in the magnetic field; different positions of the superconducting magnet are divided into a vertical magnetic field component leading position, a parallel magnetic field component leading position and a vertical parallel magnetic field component balancing position; s2, for coils at different positions of the superconducting magnet in the S1, preparing strips by adopting three different pinning formulas, and respectively adapting to magnetic field characteristics at different positions of the superconducting magnet; s3, coils are wound at the corresponding positions of the superconducting magnet through the strip in the S2, and the coils are connected in series to form the superconducting magnet. Precise matching of the strip performance and magnet space magnetic field distribution is achieved, the material utilization efficiency is improved while the magnet performance is guaranteed, the manufacturing cost is reduced, and the reliability of magnet operation is enhanced.

The utility model relates to the seaweed wastewater treatment field relates to a device of recycling salt alkali and organic matter in seaweed wastewater, the utility model device, include: pretreatment unit, filter adsorption unit, membrane separation unit and collection unit, pretreatment unit includes cyclone desander and multistage sedimentation tank, filter adsorption unit includes multistage sand filter jar and disc filter, membrane separation unit includes alkali -resistant nanofiltration ware and reverse osmosis membrane group, collection unit includes thick water collection jar no.

This invention belongs to the field of mineral processing engineering technology, specifically disclosing a high-efficiency roughing method for copper-iron symbiotic ores. The roughing method involves feeding the raw ore into a primary mill for wet grinding, then performing spiral classification on the primary slurry to obtain overflow slurry I and underflow slurry I. Underflow slurry I is returned to the primary mill for regrinding. Overflow slurry I undergoes primary cyclone classification, and overflow slurry II is adjusted with water to obtain flotation slurry. Underflow slurry II is fed into parallel secondary mills I and II for wet grinding, and the wet-ground slurries are combined to obtain secondary slurry. Flotation of the flotation slurry yields rougher concentrate I and rougher tailings I. Rougher tailings I are discarded, and rougher concentrate I undergoes weak magnetic roughing to obtain rougher concentrate II and rougher tailings II. Rougher tailings II are sent to weak magnetic scavenging. Rougher concentrate II undergoes secondary cyclone classification, overflow slurry III is sent to weak magnetic cleaning, and underflow slurry III is returned to the secondary mill II for regrinding. This invention features high grinding efficiency and copper and iron recovery rate, low energy consumption, and a small variety and amount of reagents.

The invention relates to the field of superconducting tape manufacturing, and provides a superconducting magnet coil tape combination method based on different widths, which comprises the following steps: S1, acquiring magnetic field characteristics of coils at different positions of a superconducting magnet, the magnetic field characteristics comprising a ratio of a vertical magnetic field component to a parallel magnetic field component in a magnetic field, different positions of the superconducting magnet are divided into a vertical magnetic field component leading position, a parallel magnetic field component leading position and a vertical parallel magnetic field component balancing position; s2, for coils at different positions of the superconducting magnet in the S1, selecting strips with the same pinning formula and cutting the strips into different widths to respectively adapt to magnetic field characteristics at different positions of the superconducting magnet; and S3, winding coils at corresponding positions of the superconducting magnet by using the strips adaptive to the magnetic field characteristics at different positions in the S2, and serially connecting to form the superconducting magnet. Precise matching of the strip performance and magnet space magnetic field distribution is achieved, the material utilization efficiency is improved while the magnet performance is guaranteed, the manufacturing cost is reduced, and the reliability of magnet operation is enhanced.

The present application relates to ramie degumming process technical field, specifically is a kind of acid-base synergic biological enzyme assisted ramie green degumming method, the method uses NaOH-H2SO4 Synergic treatment system, by acid dipping-alkali dipping two-step method synergistic effect, acid dipping stage is treated with 1%-5% H2SO4 Solution adding surfactant etc., alkali boiling stage is treated with 2%-6% NaOH solution adding sodium silicate etc., combined with biological enzyme auxiliary treatment, realize efficient degumming, the present application acid-base synergic biological enzyme assisted ramie green degumming method, gum removal rate is >90%, reduce 20%-30% alkali dosage, fiber breaking strength is increased by 20%-25%, wettability is significantly improved, residual glue rate is as low as 2% or less, and reduce production cost and wastewater treatment cost, adapt to existing production line, can satisfy high-end textile demand.

The utility model discloses a dialysis nursing bag, including aseptic packing bag, the aseptic packing bag is equipped with the storage box of storage dialysis nursing auxiliary material, and this storage box includes the box body and box cover of rotation connection, the bag mouth department of aseptic packing bag is equipped with the hot -pressing edge sealing, and the hot -pressing edge sealing lower side area close to the bag bottom is equipped with the movable seal, the both sides of area between movable seal and hot -pressing edge sealing are all seted up tear opening, movable seal lower side area close to the bag bottom and the bag bottom edge of aseptic packing bag all are equipped with the plastic strip. The utility model sets up the storage box and is accomodated to the nursing auxiliary material and is stored, makes it not easy to be pressed and damaged in the process such as transportation storage, still can act as tray use after storage box opens, and nursing auxiliary material is placed inducts in order, and the aseptic packing bag of setting simultaneously opens through the plastic strip and opens, and the medical waste produced when medical staff throws the dialysis operation in the aseptic packing bag, and then reduces the infection risk.

This invention relates to the field of fiber preparation technology and discloses a highly efficient method for preparing flame-retardant monofilaments. The method includes: surface activation of a polyamide matrix using radio frequency plasma to directionally introduce carboxyl functional groups; surface grafting modification of a composite flame-retardant masterbatch using a silane coupling agent to construct an interfacial transition layer; controlling the moisture content of the raw materials using a microwave-airflow combined drying system; achieving a gradient distribution of the flame retardant using a dual-channel spinning assembly; synergistically dispersing the nano-reinforcing phase and the flame retardant to construct a three-dimensional network structure, and forming nascent monofilaments using the spinning assembly; controlling the crystal structure through two-stage stretching involving wetting pre-orientation and dry heat main orientation; and stabilizing the fiber structure using a segmented temperature-controlled thermal relaxation process to obtain a finished monofilament product with flame-retardant properties. This invention achieves efficient and continuous production of flame-retardant monofilaments through the synergistic effect of plasma activation, gradient spinning, and staged orientation.

This invention discloses a temperature- and salt-resistant crosslinked polymer oil displacement agent and its preparation method, belonging to the field of petroleum extraction technology. It comprises two components: Component A and Component B. Component A is an aqueous solution of a quaternary copolymer, comprising, by mass percentage: 0.3%–0.8% quaternary copolymer, 0.1%–0.3% composite stabilizer, 0.05%–0.15% pH adjuster, with the balance being formation water. Component B is an aqueous solution of a composite crosslinking agent, comprising, by mass percentage: 0.2%–0.6% organoboron crosslinking agent, 0.1%–0.4% phenolic resin crosslinking agent, 0.05%–0.2% amino-modified nano-silica, with the balance being formation water. This invention employs quaternary copolymerization technology, simultaneously introducing sulfonic acid groups, pyrrolidone rings, and acid anhydride groups into the polymer molecular chain. The sulfonic acid group is insensitive to divalent cations and can significantly improve the salt resistance of the polymer; the pyrrolidone ring has good thermal stability and hydrolysis resistance; the acid anhydride group can react chemically with the amine-modified nano silica to form chemical crosslinking points.

The application discloses a kind of lead-zinc ore beneficiation method and system in polymetallic ore, it is related to the technical field of beneficiation, including the following steps: S1, crushing;S2, grinding;S3, lead flotation: the ore pulp after grinding is sent to lead flotation tank, flotation reagent includes 25# black medicine, butyl xanthate, foaming agent and zinc inhibitor, using 1 rough 2 sweep 3 precise flotation, and output lead concentrate and lead tailings;S4, zinc flotation: lead tailings are sent to zinc flotation tank, and flotation reagent includes copper sulfate, butyl xanthate and foaming agent, using 1 rough 2 sweep 3 precise flotation, and output zinc concentrate and zinc tailings;S5, tailings, wastewater treatment: the fluorite tailings produced by flotation are subjected to solid-liquid separation, and the liquid phase is sent to a sewage treatment station for treatment, and the treated water is recycled to the beneficiation section;Solid phase is sent to mine for filling treatment or used as building material, solve the problem that there is no efficient, environmentally friendly, economic lead-zinc ore comprehensive recovery beneficiation process suitable for the ore properties in Sichuan Mabian area in the prior art.

This invention relates to a space-distributed concentrated solar energy system, comprising: a power generation unit, an energy storage unit, a power management unit, and a space-based intelligent solar tracking mechanism. The power generation unit converts solar energy into electrical energy using concentrated solar power technology; the energy storage unit stores the electrical energy; the power generation unit is connected to the power management unit; the power management unit is connected to the energy storage unit and manages the electrical energy output by the power generation unit for collaborative storage in the energy storage unit; the power management unit is also connected to the space-based intelligent solar tracking mechanism and an external load system for power supply; wherein, the power generation unit includes: multiple sets of power generation modules and a support structure; the multiple sets of power generation modules are mounted on the support structure and connected to the power management unit. The energy system provided by this invention can improve the photoelectric conversion efficiency of solar cells and reduce equipment costs.

The invention relates to the technical field of flotation agents, in particular to a steric hindrance group mixed flotation agent and application of the steric hindrance group mixed flotation agent to flotation separation of quartz and feldspar. According to the technical scheme, the steric hindrance group mixed flotation agent is composed of dodecyl dimethyl benzyl ammonium bromide (BDAB) serving as a collecting agent and sodium dodecyl benzene sulfonate (SDBS) serving as an inhibitor, and the mass ratio of the sodium dodecyl benzene sulfonate to the dodecyl dimethyl benzyl ammonium bromide is 1: 1.1-1: 1.5. According to the neutral flotation method, efficient separation of quartz and feldspar can be achieved under the normal-temperature condition, and environmental pollution and equipment corrosion are avoided; the adopted composite flotation agent is low in toxicity, good in water solubility and small in dosage, the separation selectivity is remarkably improved through sequential addition and steric hindrance synergistic effect, high-grade quartz and feldspar concentrate can be obtained through one-time flotation, the technological process is simple and stable, implementation is easy, and the method is suitable for resource utilization of silicate tailings.

This invention belongs to the field of pharmaceutical technology, specifically relating to the application of an alkaloid compound in combination therapy for treating mycobacterial infections. Currently, commonly used antimycobacterial drugs generally suffer from significant toxic side effects and are prone to drug resistance. Single-drug therapy is insufficient to meet the increasingly serious clinical treatment needs for drug-resistant tuberculosis and non-tuberculous mycobacterial infections. This invention combines an alkaloid compound with an antimycobacterial drug, resulting in a significant synergistic antibacterial effect. This combination can effectively reduce the dosage of antimycobacterial drugs while maintaining equal or better efficacy, thereby mitigating adverse reactions such as liver toxicity, bone marrow suppression, and nervous system damage caused by these drugs, while simultaneously delaying the development of mycobacterial resistance. The combination therapy provided by this invention offers a highly effective, low-toxicity, and drug-resistant new strategy for the treatment of mycobacterial infections.

The application provides an assembling system and method, which comprises: a movable conveying part which drives a carrier to move; a valve body feeding mechanism and a valve body lubricating mechanism, both of which are arranged on the side of the conveying assembly, and the valve body lubricating mechanism is located downstream of the valve body feeding mechanism; a valve core feeding mechanism and a valve core lubricating mechanism, both of which are arranged on the side of the conveying assembly, and the valve core feeding mechanism is arranged downstream of the valve body lubricating mechanism; the valve core lubricating mechanism is arranged downstream of the valve core feeding mechanism; a shell feeding mechanism, a pressing mechanism and a valve core cutting mechanism, all of which are arranged on the side of the conveying assembly, and the shell feeding mechanism is arranged downstream of the valve core lubricating mechanism to feed the shell to the valve core; the pressing mechanism is arranged downstream of the shell feeding mechanism to press the shell; and the valve core cutting mechanism is arranged downstream of the pressing mechanism to cut the valve core. Through the technical scheme provided by the application, the technical problem of high cost of needle connector assembly in the prior art can be solved.

The invention discloses an intelligent termite monitoring, trapping and killing device for a water conservancy dam and a method of the intelligent termite monitoring, trapping and killing device, and relates to the technical field of water conservancy project pest control. The multi-mode detection module comprises an infrared thermal induction counting device, a capture camera, an environment temperature and humidity sensor, a mechanical contact type circuit break alarm module and a conductive bait block, through the design of the multi-mode detection module, three detection mechanisms are used for mutual verification, the false alarm rate is reduced to 3% or below from 20%-30% of a traditional single detection mode, and the detection accuracy is improved. The method has the advantages that by the aid of the physical killing unit, the time interval from discovery to disposal is shortened to several hours from several days or even several weeks of a traditional mode, seamless connection of monitoring and prevention is realized, remote monitoring and early warning are realized by the aid of the internet-of-things technology, manual inspection workload is reduced, and operation and maintenance risks of severe environments and dams in remote areas are reduced.

The invention discloses a combined inhibitor for gangue minerals in cassiterite flotation and a preparation method and application of the combined inhibitor, and belongs to the technical field of mineral processing. The combined inhibitor is prepared from tragacanth gum, 2-amino-3-p-hydroxyphenylpropionic acid and water glass. The combined inhibitor can generate a selective inhibition effect on calcium and siliceous gangue minerals in cassiterite flotation under the condition of lower reagent dosage through the synergistic effect of the three, and an excellent flotation separation index can be obtained; the components of the combined agent are good in environment-friendly property, the raw materials are easy to obtain, and the combined agent is convenient to prepare and store. The method has important significance on efficient flotation separation and enrichment of cassiterite and corresponding gangue minerals and improvement of the utilization rate of tin resources.