Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

197results about How to "Solve processing problems" patented technology

Synthetic method of isoterpinene 4, 8-epoxide

The invention relates to an isoterpinene 4, 8-epoxide synthesis method, which comprises: blending an isoterpinene raw material, a catalyst, a catalyst auxiliary agent and a solvent, stirring to form a mixture solution, carrying out a mixing reaction on the mixture solution and an oxidizing agent in a reactor, purifying, and drying to obtain the isoterpinene 4, 8-epoxide. And 2, 8-epoxide. According to the synthesis method of the isoterpinene 4, 8-epoxide, an adopted reaction system is moderate in oxidability and mild in reaction condition, double bonds at the fourth position can be directionally oxidized, high oxidation selectivity is achieved, and finally the highest selectivity of the isoterpinene 4, 8-epoxide can reach 95% or above; meanwhile, the method overcomes the defect that the existence of water in a catalytic system in the prior art easily causes ring-opening hydrolysis of epoxidation reaction, accelerates the epoxidation reaction process, shortens the reaction time, and increases the yield of the product, and the highest yield can reach 88% or above.
Owner:GUANGDONG PHARMA UNIV

Method for constructing carbon storage space of artificially reconstructed plugging key layer

The invention discloses a carbon storage space construction method for an artificial reconstruction plugging key layer, and the method comprises the following steps: S1, carrying out geological exploration, and determining the thickness and lithology of each overlying rock stratum; s2, determining the height of a gas guide fissure zone generated after the coal seam is mined by filling based on theoretical analysis and actual measurement data; s3, on the basis of geological data and the height of the gas-conducting fissure zone, the position of an artificial reconstruction plugging key layer and the position of a grouting layer are determined; s4, filling mining is carried out, grouting is carried out on overlying strata to reconstruct and block a key layer, and a carbon storage space is formed; and S5, carbon dioxide gas is injected into the goaf through a pipeline, carbon dioxide concentration monitoring is conducted on the working face while negative carbon filling is conducted, earth surface rock movement monitoring is conducted on the earth surface, and the negative carbon filling effect is judged. According to the method, the carbon storage space is formed by manually rebuilding and blocking the key layer while the gangue is filled, the space after coal mining can be effectively utilized for storing carbon dioxide, and emission of greenhouse gas is effectively reduced.
Owner:CHINA UNIV OF MINING & TECH

Data classification processing dynamic optimization method suitable for OA system and related products

The invention relates to the technical field of data processing, in particular to a data classification processing dynamic optimization method suitable for an OA system and related products, and the method comprises the steps: processing input original data to generate structured data; generating a classification rule base according to classification requirements and structured data defined by a user; classifying the data by using an adaptive classification model to generate a classification result; the classification rule base is optimized, and a classification model is adjusted; outputting a classification result, the optimized classification rule base and the updated classification model; according to the method, a specific feature extraction strategy and a format standardization method of multi-modal data are introduced, so that the problem of heterogeneous data processing is solved; the classification rule base is dynamically optimized in combination with real-time feedback, so that the system can quickly respond to changes of business scenes and demands, and the classification accuracy and logic consistency are improved; and dynamic adjustment is carried out through online learning, so that the adaptability of the classification model is enhanced.
Owner:SICHUAN WATER NETWORK INFORMATION TECH CO LTD

Coalescence-selective filtration-deep bed filtration efficient oil-water separation system and oil-water separation method

The invention provides a coalescence-selective filtration-deep bed filtration efficient oil-water separation system which comprises a coalescence system, a selective filtration system and a deep bed filtration system, oily wastewater enters a coalescer, and tiny oil droplets are coalesced into larger oil droplets through wetting coalescence and collision coalescence; the coalesced wastewater enters a selective filter, oil droplets and water respectively flow out through an oil channel and a water channel, and primary separation is realized; according to the present invention, the water after the primary separation enters the deep bed filter to achieve the deep separation, the efficient oil-water separation and the water quality standard discharge or reuse are achieved through the combination process of coalescence, selective filtration and deep bed filtration, and the system has advantages of high treatment efficiency, low energy consumption, less carbon emission, oil and water recycling, or water standard discharge.
Owner:LANZHOU JIAOTONG UNIV

Method and system for absorbing and solidifying carbon dioxide by using metallurgical industry waste brine and ammonia water

The invention relates to a method and a system for absorbing and solidifying carbon dioxide by using metallurgical industry waste brine and ammonia water, which are characterized in that alkali is prepared by combining waste brine, ammonia water and industrial tail gas, CO2 and NaCl in the industrial tail gas containing CO2 and industrial waste brine are converted into recyclable sodium bicarbonate products, CO2 is absorbed and solidified, the emission of greenhouse gases is reduced, the industrial waste brine is comprehensively utilized, and the production cost is reduced. The industrial waste brine treatment problem is effectively solved, and waste resource utilization is truly achieved. According to the invention, manpower, material resources and financial resources consumed for treating industrial tail gas and industrial waste brine by a traditional process are avoided; and the use of an ammonia absorber is avoided on the system, the process flow is simplified, and the operation cost is reduced.
Owner:BAOSHAN IRON & STEEL CO LTD +1

Method for regenerating lithium iron phosphate positive electrode material with assistance of negative electrode lithium and waste diaphragm

The invention discloses a method for regenerating a lithium iron phosphate positive electrode material with assistance of negative electrode lithium and a waste diaphragm. The method comprises the following steps: pretreating a waste lithium iron phosphate battery to obtain a waste lithium iron phosphate positive electrode plate, a waste diaphragm and a negative electrode plate; extracting residual lithium in the negative electrode by using a water immersion method, and uniformly mixing the recycled lithium with the waste positive electrode powder and the waste diaphragm; putting into a tubular furnace, introducing protective gas for thermal repair, and cooling to obtain a regenerated lithium iron phosphate positive electrode material; according to the method, residual lithium in a negative electrode serves as a lithium source, a diaphragm contained in the battery serves as a reducing agent and a carbon source at the same time, the waste lithium iron phosphate battery positive electrode material is directly repaired through mixed high-temperature roasting, and the obtained lithium iron phosphate positive electrode material has good electrochemical performance. No additional reagent is needed, and a brand-new thought is provided for regeneration of the lithium iron phosphate.
Owner:XI AN JIAOTONG UNIV +1

Multi-feedback channel fluid oscillator

PendingCN121988470AImprove atomization efficiencyensure formationSpray nozzlesJet flowFluidic oscillator
The invention provides a multi-feedback-channel fluid oscillator, and belongs to the technical field of fluid jetting devices. Comprising an oscillation cavity, an inlet, a nozzle and at least three feedback channels, the inlet is formed in one end of the oscillation cavity, the nozzle is formed in the other end of the oscillation cavity, the nozzle and the inlet are oppositely arranged along the central axis of the oscillation cavity, and the feedback channels are circumferentially distributed around the central axis of the oscillation cavity. And each feedback channel is provided with a feedback channel inlet and a feedback channel outlet. Through the configuration design of the multiple feedback channels, the fluid can form feedback control flow through the feedback channels, and the fluid entering the oscillation cavity through the inlet flows along the wall of the oscillation cavity in multiple directions and is switched through the coupling effect of the fluid coanda effect and multi-channel backflow feedback. And finally, multi-direction sweeping self-oscillation jet flow is formed at the nozzle, so that the space coverage range and the atomization efficiency of the jet flow are greatly improved.
Owner:NANCHANG HANGKONG UNIVERSITY

Processing method of traditional Chinese medicine residue organic fertilizer

The invention discloses a processing method of a traditional Chinese medicine residue organic fertilizer. The traditional Chinese medicine residue organic fertilizer comprises the following components in parts by weight: 50-60 parts of traditional Chinese medicine residue, 15-20 parts of straw, 10-15 parts of urea, 4-8 parts of potassium sulfate, 20-30 parts of livestock manure and 2-5 parts of trace elements. The design of the traditional Chinese medicine residue organic fertilizer formula aims at converting waste traditional Chinese medicine residues into organic fertilizer with efficient fertility. The traditional Chinese medicine residues are used as organic wastes, contain rich organic substances and trace elements, and are high-quality raw materials for preparing organic fertilizers. Straw is used as an agricultural waste, also contains rich organic substances and is matched with the traditional Chinese medicine residues for use, so that the fertilizer efficiency of the fertilizer can be improved, and the soil structure can be improved. Urea and potassium sulfate serve as main nitrogen and potassium sources, necessary nutrient elements are provided for crops, and crop growth is promoted. And the livestock manure is a high-quality organic fertilizer, is rich in various nutrient elements such as nitrogen, phosphorus and potassium, and is beneficial to improving the soil fertility and promoting the crops to absorb nutrients.
Owner:GANSU YUXINGTONG BIOTECHNOLOGY CO LTD

Method for separating tin and enriching tungsten from high-tin tungsten ore

The invention discloses a method for separating tin and enriching tungsten from high-tin tungsten ore, and belongs to the technical field of extraction metallurgy, the method comprises the following steps: heating the high-tin tungsten ore material for high-temperature vacuum melting, cooling the obtained sublimate to obtain a condensate rich in tin, and obtaining the tungsten ore with lower tin content as the residue; according to the method, the high-tin tungsten ore is subjected to vacuum melting, tin oxide in the high-tin tungsten ore is vulcanized and sublimated under the high-temperature condition, the condensate rich in tin is obtained through cooling, tin in the high-tin tungsten ore is effectively separated and recycled, and tungsten in the ore material is enriched; the method is simple, the high-tin tungsten ore is used as the raw material, no additive is needed, the problem that tin in the high-tin tungsten ore is difficult to treat is solved, enrichment of tungsten in the high-tin tungsten ore and utilization of metal are promoted, benefits are increased, and no pollution is caused to the environment.
Owner:KUNMING UNIV OF SCI & TECH

Method and system for recovering CL-20 in strong acid waste liquid by using macroporous adsorption resin

The invention discloses a method and system for recycling CL-20 in strong acid waste liquid through macroporous adsorption resin, and belongs to the technical field of environmental remediation. The method comprises the steps that the macroporous adsorption resin is added into the strong acid waste liquid containing CL-20, and an adsorption reaction is conducted under set conditions; after the adsorption is completed, separating the resin saturated by adsorption from the waste liquid, and treating the resin saturated by adsorption by utilizing a desorption agent; putting the desorbed resin into the waste liquid containing CL-20 again for adsorption, and repeating adsorption-desorption; and treating the solution containing CL-20 obtained by adsorption-desorption to obtain a CL-20 solid. According to the method disclosed by the invention, the CL-20 adsorption rate can reach 97% or above under the condition that the adding amount of the resin is 10g / L, the concentration of the CL-20 in ethyl acetate after three times of circulation can reach 2.60 g / L, the content of the CL-20 in the finally recovered solid is 37.87%, and the total recovery rate reaches 58.25%. The invention provides an efficient, economic and environment-friendly CL-20 recovery method, the treatment problem of the CL-20-containing strong acid waste liquid can be effectively solved, and meanwhile, the recycling of valuable chemicals is realized.
Owner:PEKING UNIV

AHP-based student development evaluation method and system

The invention relates to the technical field of data processing, and discloses an AHP-based student development evaluation method and system. The method comprises the steps of performing feature root decomposition, consistency check and hierarchical transitivity analysis on an analytic hierarchy matrix, and performing normalization processing and stability optimization on a weight vector to obtain a hierarchical weight coefficient; performing hierarchical comprehensive calculation, criterion synthesis and multi-level evaluation mapping on the basis of the hierarchical weight coefficient, and combining fuzzy membership analysis and evaluation calibration to obtain a comprehensive evaluation result; and aiming at the comprehensive evaluation result, constructing a multi-criterion decision model and a development path map, and carrying out scheme synthesis and multi-objective optimization analysis to obtain personalized suggestions. According to the method and the device, dynamic optimization and adaptive adjustment of the multi-dimensional evaluation indexes are realized, and personalized development suggestions are generated through a data driving mode, so that scientificity and pertinence of student development evaluation are improved.
Owner:贵州装备制造职业学院

Integrated cooperative processing system and method based on multi-source waste

The invention belongs to the technical field of garbage treatment, and particularly relates to an integrated cooperative treatment system and method based on multi-source waste. Comprising a household garbage treatment unit, a medical garbage treatment unit and a mixing unit and is used for collecting and mixing household garbage, medical garbage and sludge carbon and conveying the mixture to an incineration unit; the sludge co-processing unit is used for drying and carbonizing the sludge to generate sludge carbon and pyrolysis gas; and the incineration unit is used for incinerating the conveyed multi-source waste mixture, the incineration unit is connected with a detection unit and a control unit, flue gas is monitored in real time, the temperature of the incineration unit is regulated and controlled, and the conveying rate and the matching relation of the household garbage and the medical garbage are controlled, so that the concentration of chlorobenzene generated by the incineration unit is regulated. Synergistic efficient incineration of the household garbage, the medical garbage and the sludge is achieved, generation of harmful substances such as dioxin is effectively reduced while the incineration efficiency is improved, and cooperative treatment of various wastes can be achieved when the same household garbage is incinerated.
Owner:XI AN JIAOTONG UNIV

Method for recycling skim latex based on artificial latex preparation process

The invention provides a skim recycling method based on an artificial latex preparation process, and belongs to the field of high polymer material synthesis and preparation. The method comprises the steps of skim treatment and skim recycling to prepare the artificial latex, and the skim treatment comprises the steps of mixing low-concentration skim generated in the preparation process of the artificial latex with insoluble cellulose, pulping, and carrying out adsorption treatment; and centrifuging, filtering and separating, and collecting the separated skim liquid to obtain the skim treatment liquid. The invention solves the problem of treatment of the byproduct low-concentration skim gum in the existing artificial latex preparation process, perfects and optimizes the artificial latex preparation process, reduces the discharge of wastewater, and realizes the green preparation process.
Owner:新疆天利石化股份有限公司

Cubilose fruit seedling culture substrate and cubilose fruit grafting seedling culture method

The invention discloses a cubilose fruit seedling raising substrate and a cubilose fruit grafting seedling raising method, the cubilose fruit seedling raising substrate comprises a seedling raising substrate pretreatment substance and yellow subsoil according to a volume ratio of (4-8) 6: 1, and the seedling raising substrate pretreatment substance comprises a mushroom residue pretreatment substance and a seaweed residue pretreatment substance according to a volume ratio of (1-3): 1. According to the method, the quality of cubilose fruit grafted seedlings is effectively improved, the high-quality and low-cost cubilose fruit special seedling raising material is obtained by turning waste into wealth, and the problem of environmental pollution is solved. By adopting the novel grafting method, the grafting survival rate can be effectively improved, the seedling raising cost is further reduced, and large-scale cultivation of cubilose fruit high-quality seedlings is realized. Meanwhile, by using the long stock, the growth speed of scion buds can be remarkably increased, the racking time of cubilose branches is shortened, and the blooming and fruiting stages are started in advance.
Owner:ZHANGZHOU INST OF AGRI SCI

Forming die for middle frame of mobile phone

The invention discloses a forming mold for a middle frame of a mobile phone, the forming mold comprises a lower mold plate, an upper mold plate and an outer frame, and the surface of the lower mold plate is provided with a lower accommodating cavity corresponding to the outer frame; an upper accommodating cavity corresponding to the outer frame is formed in the bottom surface of the upper template; the outer frame is provided with a mold cavity for containing a mobile phone middle frame, the outer frame is detachably arranged in a lower containing cavity in the lower mold plate, when the mold cavity is defined by the upper mold plate and the outer frame in a mold closing mode through the upper containing cavity, the upper mold plate abuts against the outer frame, and the top of the mold cavity and the upper mold cavity face of the bottom face of the upper mold plate are in an overlapped state. By the adoption of the forming mold, the integrated mobile phone middle frame with the cavity can be obtained through one-time mold closing operation, later machining and manufacturing are facilitated, the overall structure is simple, manufacturing and machining are convenient, the production efficiency is greatly improved, the quality of the hot-pressed mobile phone middle frame is stable, the market requirement can be met, and the forming mold is suitable for application and popularization.
Owner:贵州盛航云集科技有限公司

Radioactive waste graphite incineration treatment and tail gas purification and sealing treatment process

The invention discloses a radioactive waste graphite incineration treatment and tail gas purification and sealing treatment process, and relates to the field of radioactive waste treatment. Flue gas generated by incineration treatment is cooled and purified; according to the present invention, the carbon dioxide in the cooled and purified flue gas is concentrated and compressed, and the compressed carbon dioxide is subjected to geological storage so as to achieve the permanent fixation of the 14C, such that the problem that the existing radioactive waste graphite consumes the excessive stock can be solved, the generated secondary radioactive waste is less, and the emission problem of the 14C is avoided through the utilization of the new process.
Owner:CHINA INST FOR RADIATION PROTECTION

A high-salinity organic wastewater biological treatment method

The application discloses a high-salt organic wastewater biological treatment method, characterized in that the method comprises the following steps: step one, screening of halophilic bacteria, the required halophilic bacteria are directly screened from the soil of saline-alkali land, and then the mixed culture of the screened bacteria is subjected to rescreening; the method has the beneficial effects that the halophilic bacteria ZC2403-SYL, ZC2404-SYT and salt-tolerant bacteria ZC2402-MT which can still degrade pollutants are screened out in a high-salt environment by using a microbial method, the organic matters triethylamine, n-butylamine and formamide can be degraded in the high-salt environment, the degradation rates of the organic matters can all reach more than 90% within 72 hours, an efficient salt-tolerant biological treatment system and an efficient bacteria (halophilic bacteria) system are constructed for high-salt and refractory organic pollutants, the three kinds of bacteria screened are mixed and cultured to rapidly form an efficient high-salt organic wastewater degrading bacterial agent ZC-SY, the bacterial agent can be used in actual high-salt organic wastewater and can achieve stable operation, and the treatment problem of the actual organic high-salt wastewater can be effectively solved, and the water treatment cost is reduced.
Owner:JIANGSU NANZI ENVIRONMENTAL PROTECTION SCI & TECH

Activated carbon for capturing carbon dioxide as well as preparation method and application of activated carbon

The invention discloses activated carbon for capturing carbon dioxide and a preparation method and application thereof.The preparation method of the activated carbon comprises the steps that waste sludge is dried to constant weight, smashed and sieved to obtain sludge powder, under the protection of inert atmosphere, the sludge powder, oil paint and an initiator azodiisobutyronitrile are heated and stirred in ethyl alcohol, a free radical polymerization reaction is conducted, and the activated carbon is obtained; the preparation method comprises the following steps: precipitating a solid in the process, filtering, drying, preparing oily paint sludge, carbonizing at high temperature in a tubular furnace in which N2 atmosphere is introduced, immersing the obtained carbon material in a KOH aqueous solution, heating, stirring and reacting, after the reaction is finished, carrying out suction filtration and drying, and calcining and activating the dried sample in the tubular furnace in which N2 atmosphere is introduced, thereby obtaining the oily paint sludge. And immersing the activated sample in a sulfuric acid solution, heating and stirring for reaction, and after the reaction is finished, performing suction filtration and drying to obtain the activated carbon product. The activated carbon prepared by the invention has the advantages of low cost, good adsorption selectivity and large CO2 adsorption capacity.
Owner:ZHEJIANG UNIV OF TECH +1

Oil field sewage and boiler flue gas mixed bath two-way purification device

The utility model relates to the field of oil extraction equipment, in particular to an oil field sewage and boiler flue gas mixed bath bidirectional purification device which comprises a mixed bath tower, a high-temperature-resistant fan, a sewage pump, a dust removal cloth bag, a partition plate, an inclined plate, a jet pipe, a fin heat exchanger, a demister, a condensation plate and a chimney. The device is reasonable and compact in structure and convenient to use, boiler flue gas treated by the dust collecting cloth bag and oilfield sewage are mixed for bath, flue gas treatment and purification are achieved through sewage cleaning, pure water is obtained through condensation after flue gas waste heat evaporation, cyclic utilization of heat energy is achieved through heat transfer of a water carrier, and energy conservation and emission reduction are achieved. The problem that flue gas and dust are difficult to treat can be effectively solved, long-period and stable operation of the purification device is ensured, efficient purification of sewage and flue gas, heat energy recovery and water resource reutilization are achieved, and remarkable environment-friendly, economic and technical advantages are achieved.
Owner:KARAMAY XINKEAO CHEM CO LTD

Method for synergistically removing impurities through pH regulation and complexing of ionic rare earth ore leachate

The invention provides a method for synergistically removing impurities through pH regulation and complexing of ionic rare earth ore leachate, the ionic rare earth ore leachate is stirred and mixed uniformly, a plant polyphenol sulfonic acid derivative complexing agent is added, the complexing agent is prepared through sulfonation, neutralization, concentration and drying by taking gallic acid as a raw material, and the complexing agent can automatically regulate the pH value of the solution and stabilize the pH value at 5.1-5.3; under the condition, phenolic hydroxyl groups, carboxyl groups and sulfonic functional groups in complexing agent molecules preferentially form stable precipitates with impurity ions such as Al < 3 + > and Fe < 3 + > in the leachate, and the complexing effect with rare earth ions (RE < 3 + >) is weak; and after the reaction is completed, carrying out solid-liquid separation to obtain the purified leachate and impurity-containing precipitation slag. The method solves the problem of ammonia nitrogen pollution caused by use of ammonium bicarbonate, ammonia water and other ammonium salts in the traditional process, is a novel method with high impurity removal rate, simple process flow and environmental friendliness, and is suitable for industrial application.
Owner:JIANGXI UNIV OF SCI & TECH

Production method of high-toughness and wear-resistant hard alloy

PendingCN121951294Areduce wearImprove residue distributionThread cutting machinesTemperature controlHard metal
The invention relates to the field of hard alloy product production, in particular to a production method of a high-toughness and wear-resistant hard alloy. A production method of a high-toughness and wear-resistant hard alloy comprises the following steps that S1, raw materials including, by mass, 40%-45% of WC powder, 25%-35% of Fe powder, 3%-5% of Si powder, 0.95%-1.16% of C powder, 2.5%-3.2% of Ni powder, 9%-12% of Co powder, 1.75%-2.05% of Mo powder and 0.15%-0.3% of VC powder are taken, and the purities of all the powder components are all larger than 99%; s2, mixing the raw material powder in the step S1 with a ball milling medium according to a ratio, and mixing by adopting a wet ball milling process; s3, drying the slurry, and sieving to prepare granules; s4, pressing the granules into a hard alloy blank; s5, the hard alloy blank is sintered in a vacuum or low-pressure sintering furnace, and the sintering temperature is controlled to be 1180-1250 DEG C; and S6, after sintering is completed, a sintered body is cooled, precision machining is conducted according to requirements, and a product is obtained. The high toughness and wear resistance of the hard alloy material are remarkably improved.
Owner:ZHEJIANG HENGCHENG CEMENTED CARBIDE CO LTD

Refuse treatment plant incineration flue gas denitration method and automatic treatment system

The invention belongs to the technical field of garbage treatment, and particularly relates to a denitration method for incineration flue gas of a garbage treatment plant. The denitration method comprises the following steps: collecting garbage leachate and separating to obtain a concentrated solution and clear water; heating the concentrated solution through the flue gas to obtain concentrated solution spray with the temperature of 150-250 DEG C; heating the urea solution through flue gas to obtain urea spray; the urea spray and the concentrated solution spray are mixed to obtain mixed spray, and the mixed spray is sprayed to a high-temperature area of the incinerator; the urea spraying ammonia concentration, the mixed spraying ammonia concentration and the concentration of NOX at the smoke outlet of the incinerator are obtained; and based on the concentration of NOX at the smoke outlet of the incinerator, the urea spraying ammonia concentration is adjusted, so that the ratio of the mixed spraying ammonia concentration to the concentration of NOX at the smoke outlet of the incinerator is (1.2-1.5): 1. The concentrated solution spray and the urea spray are mixed and sprayed into the incinerator to react with NOX in the flue gas; ammonia gas in the concentrated solution is utilized, consumption of urea is reduced, the ammonia utilization rate is increased, and meanwhile the problem that leachate is difficult to treat is solved.
Owner:YINCHUAN ZHONGKE ENVIRONMENTAL PROTECTION POWER CO LTD

Method for preparing phenyl acetate with high selectivity

The invention discloses a method for preparing phenyl acetate with high selectivity. A phosphoric acid solution is added into a magnesium chloride solution, stirring and heating are performed to obtain a suspension, the suspension is dried to constant weight to obtain a white solid, the white solid is ground to obtain powder, and the powder is calcined to obtain the catalyst. Then mixing phenol and a catalyst, placing the mixture in an oil bath for reflux reaction, dropwise adding acetic anhydride, distilling after the reaction is finished, and collecting a fraction at 190-195 DEG C, namely phenyl acetate. According to the magnesium chloride loaded phosphoric acid type catalyst (MgCl2-H3PO4) prepared by the method disclosed by the invention, phenol and acetic anhydride react without a solvent, MgCl2-H3PO4 is a solid catalyst, can be recycled only by filtering and can be repeatedly used after being washed, and MgCl2-H3PO4 also improves the selectivity of phenyl acetate and reduces the production cost.
Owner:QINGDAO UNIV OF SCI & TECH

Two-stage gas producer and coal gasification method

The invention discloses a two-stage gas producer and a coal gasification method, the gas producer comprises: a gas producer provided with a feed inlet, an upper-stage gas outlet, a lower-stage gas outlet, a second gasifying agent inlet, and a first gasifying agent inlet; the fire grate is arranged in the gas producer and is positioned below the second gasifying agent inlet; and a phenol water vapor outlet of the phenol water vapor stripping tower, which is communicated with the first gasifying agent inlet and the second gasifying agent inlet, is formed in the phenol water vapor stripping tower. The heat of the lower section coal gas is respectively used for heating phenol water in the reboiler and superheated steam in the superheater, the sensible heat of the lower section coal gas is recovered, the temperature of the lower section coal gas is reduced, the heat efficiency is high, meanwhile, the phenol water obtained after purification treatment of the upper section coal gas is recycled, and the resource utilization rate is improved.
Owner:BEIJING QING CHUANG JIN HUA TECH CO LTD

Quicklime digestion steam recovery treatment system based on three-stage purification

ActiveCN222647861USolving Recycling Problemssolve processing problemsCalcium hydroxideWater vapor
The utility model relates to the field of ferrous metallurgy, and discloses a quick lime digestion steam recovery processing system based on three-stage purification, which comprises a digester, a water outlet end of the digester is fixedly connected with a pipeline water curtain dust remover, and a smoke outlet end of the pipeline water curtain dust remover is fixedly connected with a spray tower. The waste water end of the pipeline water curtain dust removal is fixedly connected to the water inlet end of the digester, the smoke outlet end of the spray tower is fixedly connected with a wet electric dust removal device, the smoke outlet end of the wet electric dust removal device is fixedly connected with a dust removal fan, the smoke outlet end of the dust removal fan is fixedly connected with a chimney, and the feeding end of the pipeline water curtain dust removal device is provided with a conveying assembly. According to the utility model, the digester, the belt conveyor, the pipeline water curtain dust remover, the spray tower, the wet electric dust remover, the dust removal fan and the chimney are matched with one another, so that quick lime and water are digested in the digester to generate water vapor, the water vapor is discharged into the atmosphere through three-stage purification, and the problem of recycling the water vapor containing calcium oxide and calcium hydroxide is solved.
Owner:WUKUN STEEL

Device for preparing composite foundation treatment pile body sections through deep modification of waste flow-state sludge

The invention belongs to the technical field of foundation treatment in civil engineering, and discloses a device for preparing a composite foundation treatment pile body section through deep modification of waste flow-state sludge, which comprises a rigid frame, an electric hoisting mechanism, a pile body forming mechanism, a sliding bearing mechanism and a sliding releasing mechanism, the rigid frame and the electric hoisting mechanism are used for hoisting and fixing an upper closing cover of the pile body forming mechanism; the pile body forming mechanism is used for pressurizing, dehydrating and forming the mud subjected to flocculation-solidification conditioning; the sliding bearing mechanism is arranged on a rigid frame base of the device, bears the pile body forming mechanism and facilitates material filling. After the pile body sections are formed, the pile body can be separated from the pile body forming mechanism and temporarily stored or conveyed to a centralized place for maintenance through the sliding separation mechanism. Waste flow-state sludge is directly converted into a high-reinforcement solidified soil column capable of being used as a precast pile component, and then the high-reinforcement solidified soil column and a gravel drainage body are assembled, so that the effects of shortening the construction period, reducing post-construction settlement and improving the bearing capacity of a composite foundation are achieved.
Owner:CONSTR BRANCH OF STATE GRID JIANGSU ELECTRIC POWER CO LTD +1

Sulfur-containing and salt-containing tail gas treatment system

The invention relates to the technical field of tail gas treatment, and discloses a sulfur-containing and salt-containing tail gas treatment system, which comprises a tail gas collection module, which is responsible for collecting tail gas containing a large amount of sulfur-containing or salt-containing substances, and centralizing and conveying the tail gas to a subsequent treatment module; the neutralization corrosion inhibitor pre-filming module is used for treating sulfur-containing substances in the tail gas, and a layer of protective film is formed on the inner wall of the pipeline by injecting a neutralization corrosion inhibitor, so that the pipeline is prevented from being corroded by the sulfur-containing substances; the demineralized water spraying module is used for dissolving salt-containing substances on the equipment and spraying demineralized water. According to the sulfur-containing and salt-containing tail gas treatment system, through the synergistic effect of the tail gas collection module, the neutralization corrosion inhibitor pre-filming module, the demineralized water spraying module and the sewage settling separation module, sulfur-containing and salt-containing substances in tail gas are effectively removed, and corrosion of the substances to pipelines and blockage of equipment are avoided.
Owner:ZIBO JUNCHEN NEW MATERIAL TECH CO LTD

A wastewater purification and reuse system for heat-sensitive paint production

ActiveCN119660935BRealize intelligent management and controlImprove operational efficiency
The present application relates to wastewater purification reuse system technical field, more specifically, it relates to a kind of wastewater purification reuse system for heat-sensitive paint production, comprising: data acquisition module;Wastewater pH adjustment controller;Based on the comparison result of the pH value of heat-sensitive paint wastewater and set target pH value, generate pH value adjustment coefficient;Based on pH value adjustment coefficient, generate alkaline solution adding instruction;Liquid alkaline adjusting device, with wastewater pH adjustment controller communication connection, receive alkaline solution adding instruction;Add alkaline solution to the blending pool;Receive the pH value and temperature of the liquid of blending completion sent by data acquisition module;Based on the comparison result of the pH value of blending completion liquid and set target pH value, generate pH value adjustment coefficient;Based on pH value adjustment coefficient, generate liquid temperature regulation instruction;Blending liquid pH adjustment mechanism, with blending liquid pH adjustment controller communication connection, for the liquid temperature regulation of blending completion liquid in blending pool.
Owner:GUANGDONG WEIMINTE TECH CO LTD

A fruit pulp comminution apparatus and method with pre-treatment

The application discloses a fruit pulp crushing device with pretreatment and a method thereof, relates to the technical field of fruit pulp crushing processing, and comprises a main box body, a distribution roller is arranged to rotate in a transfer pipe, a plurality of distribution grooves are arranged on the distribution roller, a pretreatment mechanism is arranged in each of the distribution grooves, a screening box is arranged in communication with one end of a transmission pipe, a spiral plate is arranged on a fixed shaft, a crushing assembly is arranged on the inner side of a scraping frame, and a sorting mechanism is arranged on the screening box. The application sets a plurality of distribution grooves on the distribution roller, sets a pretreatment mechanism in each of the distribution grooves, so that the distribution roller can uniformly take materials, and the fruit pulp can be pretreated and crushed during the discharging process. The transmission pipe and the spiral plate are arranged, the screening box is arranged at one end of the transmission pipe, the crushing box is arranged in communication with the screening box, the uniformity of the fruit pulp crushing is increased, and the scraping plates are arranged on the connecting rods, so that the fruit pulp with a large volume is prevented from accumulating at the bottom end of the main box body.
Owner:XINXIANG PUBEI FOOD CO LTD +1

Method for machining an eccentric tailstock sleeve

A processing method of eccentric tailstock sleeve, first step, blanking allowance, second step, rough turning to get sleeve blank; third step, high temperature aging treatment to sleeve blank, fourth step, milling right end as eccentric circle φA1 as process chuck and right end step hole φB visible light; fifth step, rough turning eccentric circle φA1 and step circle table φD allowance; sixth step, rough boring left end step circle table φD allowance, get sleeve semi-finished product; seventh step, sleeve semi-finished product heat treatment; eighth step, rough grinding eccentric circle φA1 allowance, ninth step, rough boring left end hole φC, step hole φB and length L allowance; tenth step, semi-fine grinding eccentric circle φA1 and step circle table φD outer circle, end face; eleventh step, low temperature aging treatment, twelfth step, fine grinding eccentric circle φA1 to design size range, grinding step circle table φD outer circle and end face to design requirement; thirteenth step, fine boring step hole φB, hole φC to design size, get eccentric tailstock sleeve finished product.
Owner:BAOJI ZHONGCHENG MASCH TOOLS CO LTD