147results about How to "Adequate response" patented technology

The invention discloses a sludge low-temperature oxidation treatment system and method. The system comprises a pretreatment unit, a feed lifting mechanism, a low-temperature oxidation furnace, a flue gas purification unit and an automatic control unit. The low-temperature oxidation furnace is divided into a feeding area, a low-temperature oxidation area and an air distribution and slag discharge area from top to bottom, an air distribution plate is provided with air outlets which are uniformly arrayed, the temperature of the low-temperature oxidation area is controlled to be 420-480 DEG C, and generation of dioxin is inhibited from the source. The pretreatment unit is used for mixing sludge, biomass and quartz sand to form a loose breathable material to prevent the sludge from hardening; the method comprises the steps of material mixing, continuous feeding oxidation, temperature closed-loop regulation and control, flue gas purification and ash treatment, high-water-content municipal sludge can be stably treated, the energy consumption is low, the dioxin generation amount is low, flue gas emission reaches the standard, ash can be recycled, and the method is suitable for large-scale municipal sludge harmless treatment.

The invention discloses a gas-liquid atomization rotational flow mixing reaction device which comprises a mounting bracket, the mixing reaction chamber is detachably mounted on the mounting bracket through a bolt; the communicating chamber is detachably mounted at the top of the mixing reaction chamber through a bolt; the gas-liquid separation chamber is detachably mounted at the top of the communicating chamber through a bolt; the atomizing nozzle is fixedly connected to the mixing reaction chamber; the driving unit and the indicating unit are installed on the pressure regulating unit, and one end of the gas feeding pipe is fixedly connected to the atomizing nozzle. By adopting a gas-liquid atomization and rotational flow self-stirring structure, the problems that traditional mechanical stirring is slow in mixing, poor in uniformity and unbalanced in local proportion are fundamentally solved, the phenomena of back mixing and short circuit are eliminated, the reaction is more sufficient, crystallization is more uniform, the yield is higher, meanwhile, a stirring mechanism is omitted, the device is simplified, energy consumption is reduced, parameters such as pH and temperature are fed back more timely, and the production efficiency is improved. And the control precision is greatly improved.

The invention discloses a method for synthesizing nano magnesium dititanate by a solid phase method, which comprises the following steps: S1, weighing a titanium-containing solid compound, a nano magnesium oxide solid and a hydrolytic alkaline solid compound, uniformly mixing, adding a surfactant, and grinding to obtain a solid mixture; s2, adding a mixed solution with an alcohol-water ratio of 1: 1 into the solid mixture, and grinding to obtain mixed slurry; s3, transferring the mixed slurry into a centrifugal tube, placing the centrifugal tube in a centrifugal machine for centrifugal separation, pouring out supernatant after the centrifugal separation is finished, and obtaining a mixed product after a water washing process and an alcohol washing process are finished; s4, soaking the mixed product in an inorganic acid solution, transferring the soaked mixed product into a centrifugal tube for centrifugal separation, sequentially completing water washing and alcohol washing processes, and then drying to obtain MgO-coated TiO2 with a core-shell structure; s5, carrying out high-temperature calcination on the obtained MgO-coated TiO2 to obtain a nano magnesium dititanate solid; according to the invention, the problems of large particle size and non-uniform chemical composition of the magnesium dititanate powder prepared in the prior art are solved.

The utility model provides a dry desulfurization and denitrification reactor. The dry desulfurization and denitrification reactor comprises a bottom plate; the supporting frame is fixedly connected to the top of the bottom plate, a first-stage reaction barrel is installed at the top of the supporting frame, a plurality of first arc-shaped retarding plates are alternately installed in the first-stage reaction barrel, an air inlet pipe is installed at the bottom of the first-stage reaction barrel, and a connecting pipe is installed at the top of the first-stage reaction barrel; a second-stage reaction barrel is mounted at the top of the first-stage reaction barrel through a mounting frame, a plurality of second arc-shaped retarding plates are alternately mounted in the second-stage reaction barrel, and medicament conveying structures are mounted at the tops of the first-stage reaction barrel and the second-stage reaction barrel. According to the dry desulfurization and denitrification reactor provided by the utility model, dual reaction is adopted through the design, and the arc-shaped retarding plate and the mixing frame are matched to enable flue gas to uniformly flow in the reaction barrel to form turbulent flow, so that the sufficient reaction of sulfur nitrate in the flue gas and an absorbent is improved, and the desulfurization and denitrification effect is improved.

The utility model discloses a wastewater treatment device for anhydrous acetonitrile production, which comprises a mixing tank and a sedimentation tank which are communicated through a suction pump. A feeding hole is formed in one side of the top of the mixing tank, a flow guide plate is fixed on one side of the inner wall of the feeding hole, a wastewater input pipe and a medicament input pipe are arranged on the flow guide plate, and flow dividing bulges are also arranged on the inner wall of the flow guide plate; a bearing plate is arranged on the inner bottom wall of the sedimentation tank, positioning plates are fixed to the two sides of the bearing plate, and an electric heating rod is further arranged in an inner cavity of the bottom of the sedimentation tank. And the two treatment modes of mixing and precipitation are carried out separately and do not interfere with each other, so that the effect is better.

The invention provides a high-stability shell activated carbon activation device, and relates to the technical field of activated carbon production equipment. The high-stability shell activated carbon activation device comprises an activation furnace body and a plurality of inclined plates, two parallel partition plates are arranged in the activation furnace body, and the two partition plates divide an inner cavity of the activation furnace body into a material channel located in the middle and two flues located on the two sides; multiple layers of rectangular grooves are formed in the two partition plates from top to bottom in the vertical direction. According to the device, materials are promoted to turn over and disperse through the inclined plates which are arranged in a staggered mode so as to eliminate accumulated bias flow, the reaction intensity degree is precisely matched with the spacing structure with the dense lower portion and the sparse upper portion, the retention time is prolonged, and air pressure balance is maintained by combining rapid gathering and exhausting of hollow smoke discharging channels in the inclined plates, so that uniform heating and sufficient reaction of the materials are achieved; while efficient heat exchange is achieved, the activation quality of activated carbon, the energy utilization rate and the operation efficiency of the device are remarkably improved.

The application discloses a kind of organic soil treatment devices for soil remediation engineering, and relate to soil remediation technical field;The organic soil treatment device for soil remediation engineering, the feed inlet of the pretreatment structure is provided with drying device, and the discharge port of the pretreatment structure is provided with conveying device;The organic soil treatment device for soil remediation engineering is preliminarily crushed by being provided with pretreatment structure, using crushing shaft and rolling hammer, while screening inclined screen is used to screen the soil after primary crushing, and the irregular soil blocks are driven for secondary crushing by cooperating with vertical auger, so that the contaminated soil is repeatedly broken, the soil can be uniformly broken, and the soil can be fully reacted after entering the drying device, thereby improving the processing effect of the device.

The application relates to a preparation method of a nano WC-Co-based composite powder with inhibitor uniform distribution, and belongs to the technical field of powder preparation. In the application, tungsten oxide and cobalt oxide with large brittleness are used as raw materials, the raw materials are easily broken in a ball milling process, the superfine and nano particle size of a precursor mixed powder containing an inhibitor and the uniform distribution of the raw materials are ensured, the precursor of the inhibitor is dissolved in anhydrous ethanol, a solution is formed, and the solution is mixed with other raw materials, so that the uniform distribution of the component of the inhibitor element in the precursor mixed powder containing the inhibitor is ensured. Polyethylene glycol is added in the ball milling process, the agglomeration of powder particles is reduced, the friction between the powder particles is reduced, and the flowability of the particles is increased. Through the matching of precursor components, the density of the mixed powder of the inhibitor-containing compact and a stage-by-stage heating process, the full reaction of the compact is ensured, the rapid discharge of generated gas is ensured, and through the further ball milling treatment of the prepared powder, the powder is ensured to have the characteristics of pure phase, small WC particle size and uniform component distribution.

The utility model belongs to the technical field of micro-channel reaction equipment, and particularly discloses a micro-channel reactor which comprises a cooling water pipe, a feeding pipe, a plurality of U-shaped pipes and a discharging pipe, the cooling water pipe is communicated with a plurality of water feeding pipes, each water feeding pipe is communicated with two water feeding branch pipes, the plurality of U-shaped pipes are sequentially communicated in an S shape, and the discharging pipe is communicated with the U-shaped pipes. Each water feeding branch pipe is communicated with the connecting position of the corresponding U-shaped pipe, each U-shaped pipe is composed of a jacketed pipe and an inner pipe, the jacketed pipes are connected to the inner pipes in a sleeved mode, the feeding pipe, the discharging pipe and the U-shaped pipes are all communicated with water return pipes, each water return pipe is provided with a water return thermometer and a water return valve, and the connecting position of each U-shaped pipe is provided with a water feeding thermometer. The micro-channel reactor can effectively improve the reaction uniformity, stabilize the pressure and improve the production safety, the design of the jacketed pipe can effectively reduce heat loss and maintain the heat balance of a reaction system, cooling water enters the multiple branch pipes synchronously, and the stability of the temperature and the pressure of the inner pipe can be maintained.

This utility model discloses a flue gas collection device for flue gas preparation, relating to the field of flue gas preparation technology. It includes a flue pipe, a flue gas collection component, and a flue gas exhaust component. The flue gas collection component includes a collection tank, a smoke baffle, a smoke interceptor, a collection component, a liquid filling pipe, a liquid drain pipe, and an exhaust pipe. The smoke baffle has staggered exhaust channels; the smoke interceptor has exhaust holes; the exhaust component includes multiple component smoke elements, each with an exhaust hole. By using multiple component smoke elements with an inner diameter smaller than the exhaust pipe, the flue gas is dispersed in the water within the collection tank, increasing the contact area between the flue gas and the water. The smoke baffle and smoke interceptor also increase the residence time of the flue gas in the water, allowing for a full reaction between the flue gas and the water, thus improving the flue gas collection efficiency. Furthermore, the water mist adhering to the collection component and exhaust pipe contacts the gas discharged from the water, further collecting the flue gas. Through multiple interceptions, the flue gas discharged from the exhaust pipe fully reacts with the water, improving the flue gas preparation efficiency.

The invention discloses a preparation method of a polypropylene composite filler based on electrocatalytic oxidation coal gasification fine slag as a raw material, the preparation method comprises the steps of raw material treatment, system modification, material electrolytic oxidation and material post-treatment, the polypropylene composite filler comprises polypropylene resin and the polypropylene composite filler, based on the total weight of the composite material, the usage amount of the composite filler is 5-20wt%, and the usage amount of the composite filler is 5-20wt%. The raw materials comprise an environment-friendly functional auxiliary agent accounting for 0.5-5% of the total weight of the composite material, and the functional auxiliary agent is selected from one of a weather-proof agent, a halogen-free flame retardant and a bio-based antibacterial agent. The method has the advantages that the low-temperature plasma pretreatment and the composite modifier assisted electrocatalytic oxidation process are combined, a large number of active sites can be quickly and efficiently introduced on the surface of the coal gasification fine slag through the low-temperature plasma treatment, and the surface energy and the reaction activity of the coal gasification fine slag are remarkably enhanced.

This disclosure relates to the field of titanium extraction technology from blast furnace slag, and particularly to a method for controlling the titanium carbide content using iron oxide powder, comprising the following steps: Step 1, when the slag generated by the carbon-blending of titanium-containing blast furnace slag reaches the smelting endpoint, a sample is taken to detect the mass percentage of titanium carbide in the slag; Step 2, when the mass percentage exceeds a set threshold, iron oxide powder is added to the slag to control the mass percentage within a reference range. This disclosure solves the problem of easy bending of titanium slabs with large aspect ratios during the upsetting process. This disclosure also solves the problem of high TiC content in existing titanium-containing blast furnace slag carbon-blending processes. By adding iron oxide powder to react with excess TiC in a directional manner, the TiC content can be stably controlled within a reference range, effectively reducing slag viscosity, ensuring smooth slag discharge, and avoiding safety hazards such as equipment blockage; at the same time, it improves the temperature control effect of the subsequent boiling chlorination reaction, and improves the efficiency and quality of subsequent titanium resource recovery.

The application provides a method for preparing methyl silicone oil by using organic silicon high ring, which directly prepares the methyl silicone oil by using cheap organic silicon high ring, and reduces the production period and cost of the methyl silicone oil. In the application, semi-continuous feeding is adopted, the viscosity of the processed methyl silicone oil is controllable, the molecular weight distribution is narrow, the product conversion rate is greater than 85%, compared with the traditional process, the reaction process is stable, the utilization rate of the end-capping agent is high, and the amount is less.

The application discloses a semiconductor process chamber and a semiconductor process device. The disclosed semiconductor process chamber comprises a chamber body and a first transmission pipeline, wherein the chamber body has an inner cavity and an opening which are in communication with each other, and the first transmission pipeline is arranged in the inner cavity and used for conveying a process fluid in a fluid source into the inner cavity. The first transmission pipeline comprises a transmission section and an output section which are connected with each other. At least a part of the transmission section extends from the opening towards a direction away from the opening. The output section is provided with an output hole used for outputting the process fluid into the inner cavity. The above scheme can solve the problem that the process fluid entering the inner cavity is difficult to be sufficiently heated, thereby affecting the process effect.

The present application relates to waste gas treatment technical field, specifically to a kind of acrylic resin waste gas treatment filter equipment, including main body, the main body inside is equipped with purification cavity, the main body circumferential outer wall is fixedly connected with shunt pipe, the shunt pipe bottom is equipped with several air pipes, the air pipe bottom end is penetrated to the inside of purification cavity;The inside of the purification cavity is provided with purification device, the purification device includes rotation installation in the center position of the inside bottom of purification cavity drive shaft, the inside of the purification cavity is located at the top position of drive shaft and is provided with limit frame, the center position of the limit frame bottom is penetrated and is equipped with docking interface.This application is through gas distribution plate, push plate and filter assembly linkage, to establish gas-liquid mixing neutralization system, improve the neutralization of acidic substances and the absorption efficiency of soluble VOCs, reduce the subsequent pollutant load, push plate, filter assembly and other collaborative impurities, clean filter screen, prevent secondary pollution, prolong the service life of filter material.

The application belongs to the technical field of lithium-sulfur battery manufacturing, and particularly relates to a preparation device and a preparation method of high-purity ultrafine lithium sulfide electrolyte. The preparation device of high-purity ultrafine lithium sulfide electrolyte comprises a reaction furnace, a lithium microflow mechanism and a sulfur gasification mechanism are throughly arranged on the reaction furnace, and an ultrasonic generator is further arranged on the reaction furnace, and a tray is slidably arranged in the reaction furnace. The lithium microflow mechanism comprises a glove box and a smelting furnace which are throughly connected, a first mechanical valve is arranged at the communication part of the glove box and the smelting furnace, and a feeding pipe is further throughly arranged between the glove box and the smelting furnace. The smelting furnace is throughly connected with the reaction furnace through a microflow pipeline, and a microflow meter is arranged on the microflow pipeline. The sulfur gasification mechanism comprises a sulfur raw material bin and a tubular furnace which are throughly connected through a raw material pipeline, and the tubular furnace is throughly connected with the reaction furnace through an airflow pipeline. The application can continuously prepare lithium-sulfur electrolyte with high purity and low particle size without interruption, has the advantages of low cost and no other sulfide production, and is suitable for industrial production.

This utility model discloses an in-situ groundwater treatment device, including a base frame. A pumping power assembly is mounted on the upper surface of the base frame. A housing is fixedly connected to the upper surface of the base frame, and a fixing frame is also fixedly connected to the upper surface of the base frame. A water guide shell is fixedly connected to one side of the fixing frame. A connecting pipe is fixedly connected to the top of the water guide shell, and the connecting pipe is also fixedly connected to the top of the housing. A stirring assembly and an intermittent shielding assembly are provided inside the housing. A waste box is provided inside the water guide shell, and a filter plate is fixedly connected to the top of the waste box, with the filter plate in contact with one end of the liquid inlet of the connecting pipe. This utility model can not only filter impurities in the water, but also collect the cleaned waste through the waste box for centralized treatment. Furthermore, the stirring assembly allows for more complete dechlorination and degradation of organic pollutants in the groundwater.

The application relates to the field of detection, and discloses an on-line liquid-solid dual-phase detection system for phosphogypsum, which comprises an equipment preparation module, a sample pretreatment module, a sample detection module, a sample data acquisition module, a sample data analysis module and a sample data evaluation module. The required detection equipment is prepared through the equipment preparation module, the phosphogypsum sample is pretreated through the sample pretreatment module, the phosphogypsum sample is more fully reacted, the accuracy of subsequent data information is improved, the content of each substance in the phosphogypsum sample is detected through the sample detection module, data for subsequent data analysis is provided, the collected data is summarized through the sample data acquisition module, each aspect of data is analyzed through the sample data analysis module, comprehensive evaluation is carried out through the sample data evaluation module, whether the treated phosphogypsum sample can be recycled is more accurately judged, and the resource conversion utilization rate of the phosphogypsum is effectively improved.

The invention discloses a soft soil curing material with synergistic effect of waste concrete recycled micro powder and lime and a preparation method of the soft soil curing material, and belongs to the technical field of soft soil curing. The soft soil curing agent provided by the invention comprises calcium hydroxide and waste concrete recycled micro powder in a mass ratio of 3: 7, wherein the particle size of the waste concrete recycled micro powder is less than 0.16 mm. According to the invention, unhydrated cement particles and active SiO2, Al2O3 and other components contained in the waste concrete recycled micro powder are utilized, and a pozzolanic reaction is carried out under the alkaline excitation action of calcium hydroxide, so that a hydrate (such as C-S-H gel) with gelling property is generated in the solidified soft soil. Gelling substances generated in the curing process of the calcium hydroxide and the waste concrete recycled micro powder can effectively bond soil particles in the soft soil to fill pores and consume free water in the soft soil at the same time, so that the mechanical property of the cured soil is greatly improved.

The application relates to a biomass gasification device and relates to the technical field of biomass gasification, which comprises a gasification hearth, a fluidized bed is arranged in the gasification hearth, a bubbling bed is arranged in the gasification hearth, a biomass gasification area is arranged between the bubbling bed and the fluidized bed, and the biomass gasification area is used for making biomass stack combustion; the bubbling bed is located at the upper end of the biomass gasification area, a feeding device is arranged on the gasification hearth, an air inlet pipe is arranged on the gasification hearth, the air inlet pipe is used for blowing air into the fluidized bed, the air inlet pipe is used for making fuel in the biomass gasification area tumble, the air inlet pipe is used for blowing the fuel which is not fully combusted on the fluidized bed to the bubbling bed, a cyclone separator is arranged on the upper portion of the gasification hearth, the cyclone separator outputs relatively clean combustible gas after carrying out gas-solid separation on dust-containing combustible gas, the cyclone separator is used for inputting the fuel which is not fully combusted into the bubbling bed, and an ignition device is arranged on the bubbling bed and the fluidized bed. The application has the effect of fully gasifying biomass fuel.

The application provides a pickling purification method of porous carbon for silicon-carbon negative electrode materials and a product thereof, and belongs to the technical field of battery material preparation. The method overcomes the defects of poor purity and long process flow of the existing pickling method. The production method comprises the following steps: crushing carbonization raw materials to 20-50 meshes, and then performing physical activation. The method further comprises the steps of "blowing and stirring cleaning" and "belt rinsing while simultaneously performing vacuum exhaust and controlling the water content to be 60%". The porous carbon is deeply and efficiently purified, so that the iron content and ash content of the porous carbon are reduced to a very low level (Fe<30ppm, ash content<0.2%), and the high-pore structure (iodine value≥1600mg / g) of the porous carbon is maintained. The unique blowing and stirring method has smaller shearing force on the carbon skeleton, and better protects the microstructure of the porous carbon. The belt rinsing is continuously operated, and has high automation degree, and is suitable for large-scale industrial production. The porous carbon product prepared by the method has very high purity and high specific surface area, and meets the needs of high-end lithium ion batteries.

The application discloses a preparation method of low-chlorine high-purity bisphenol A type liquid epoxy resin. The method comprises the following steps: mixing raw materials containing epichlorohydrin, bisphenol A and a cosolvent, adding a catalyst A, and performing etherification reaction under low-temperature condition of not more than 50 DEG C; recovering unreacted epichlorohydrin in the system after the reaction is completed to obtain an etherification product; mixing the etherification product with a solvent, adding a catalyst B, and performing ring-closing reaction under low-temperature condition of not more than 50 DEG C; performing extraction separation on the obtained reaction product to obtain an organic phase; and performing desolventizing treatment on the organic phase to obtain the bisphenol A type liquid epoxy resin product. The total chlorine content of the obtained bisphenol A type liquid epoxy resin product is low, the viscosity is low, the purity is high, the quality is good, the preparation method is simple, the process flow is short, and the cost is low.

The utility model discloses a kind of high-temperature flue gas heating air furnace head combustion gas big pot stove, belong to gas stove technical field, including rack, furnace bellow, superconducting heat exchanger and fan are installed on rack, furnace bellow bottom is equipped with furnace head, the top of furnace bellow is provided with flue along circumference, flue is equipped with flue pipe, flue pipe is installed along flue coiling, superconducting heat exchanger includes shell, superconducting plate, air inlet passage and air outlet passage, air inlet passage is through shell, one end is connected fan by pipeline, the other end is connected furnace head by pipeline, air outlet passage is through shell, one end is connected the export end of flue pipe by pipeline, shell is installed with superconducting plate, and superconducting plate is located between air inlet passage and air outlet passage. The scheme is used as heat converter by superconducting heat exchanger, high-temperature flue gas discharged by pot stove is heated to the air of furnace head, to improve energy utilization.

The invention belongs to the technical field of environmental protection, and particularly relates to a PNCR polymer agent denitration device and process, the PNCR polymer agent denitration device comprises a gas transmission component, an oxygen supply component and a denitration component, the gas transmission component is provided with an exhaust chimney, the top of the exhaust chimney is fixedly connected with a gas transmission through pipe, and the middle of an inner cavity of the gas transmission through pipe is fixedly connected with a filtering component; and the oxygen supply component comprises an oxygen pump, the right end of an output shaft of the oxygen pump is fixedly connected with a one-way breather pipe, and the gas conveying through pipe and the one-way breather pipe are both deformable hoses. According to the device, waste gas and oxygen can be subjected to an oxidation-reduction reaction in an internal catalytic shell, and in the process, a grooving rotating plate can stir a granular denitration agent in the catalytic shell, so that the denitration agent accumulated at the bottom of the catalytic shell and the denitration agent on the upper layer are subjected to position exchange; therefore, the added denitration agent can fully react with the waste gas, so that the overall utilization efficiency of the denitration agent is improved.

This invention belongs to the field of metal rust prevention technology, specifically relating to an environmentally friendly water-based rust-preventive composition, its preparation method, and its application. The composition comprises, by weight, 3-8 parts of a first triazine compound, 1-5 parts of a second triazine compound, 10-20 parts of 2-amino-2-methyl-1,3-propanediol, 2-5 parts of dipropylene glycol monomethyl ether, and 65-85 parts of water. The first triazine compound is a triazine compound having substituents containing hydrophobic segments and at least two aminocarboxylic acid substituents, and the second triazine compound is a triazine compound having thiol substituents. This invention forms a dual-anchored protective film on the metal surface through the two triazine compounds, exhibiting excellent salt spray resistance, damp heat resistance, and film density. It achieves a salt spray test duration of 72 hours, a damp heat test duration of 960 hours, and an adhesion rating of 0. Furthermore, it is free of nitrites, phosphates, and heavy metals. The preparation method is simple, suitable for industrial production, and can be widely applied to metal rust prevention in machinery manufacturing, automotive parts, and other fields.

This invention discloses a high-concentration wastewater pretreatment device, relating to the field of wastewater treatment technology. It includes: a treatment tank with a sedimentation chamber; wherein the sedimentation chamber contains a filter element, which is inclined; a transfer tank connected to one side of the treatment tank; wherein the transfer tank has multiple reaction elements and multiple linear adjustment elements for driving the reaction elements to move vertically; and a purification cylinder horizontally positioned on the side of the transfer tank away from the treatment tank, and connected to the transfer tank. This invention treats wastewater through multiple steps, completing preliminary filtration, oxidation purification, membrane interception, and microbial purification, thereby treating different types of pollutants in the wastewater separately and improving the wastewater treatment effect. Simultaneously, it can also centrally treat solid sediments and gaseous waste generated during the treatment process. The operation is simple, convenient, and highly practical.

The invention relates to the technical field of lithium ion batteries, in particular to a nickel positive electrode material, a preparation method and application. The preparation method of the nickel positive electrode material comprises the following steps: mixing soluble nickel salt, cobalt salt and manganese salt according to a target stoichiometric ratio to obtain a mixed salt solution, and adding a niobium source or a tungsten source into the mixed salt solution to obtain a first solution; meanwhile, preparing a sodium hydroxide solution with a certain concentration as a precipitator and ammonia water with a certain concentration as a complexing agent; under the conditions of continuous stirring and controllable temperature, the first solution, a sodium hydroxide solution and ammonia water are added into a reactor in a parallel flow mode, metal ions are co-precipitated by adjusting the pH value, the reaction temperature, the ammonium radical concentration and the rotating speed, and a nickel-cobalt-manganese-niobium hydroxide precursor or a nickel-cobalt-manganese-tungsten hydroxide precursor is obtained after aging, filtering, washing and drying; and uniformly mixing the nickel-cobalt-manganese-niobium hydroxide precursor or the nickel-cobalt-manganese-tungsten hydroxide precursor with a lithium source, and roasting to obtain the nickel positive electrode material. And the performance of the lithium ion battery can be improved.

The application relates to the technical field of pH detection, and discloses a pH detection device of a reaction kettle, which comprises a side plate, a connecting seat, an L-shaped frame and a bottom plate connected to the side plate, a butt joint pipe connected to the L-shaped frame, a sealing knob connected to one end of the butt joint pipe, an L-shaped groove arranged on the side plate, a motor frame connected to one side of the side plate, a rotating motor connected to the motor frame, a rotating rod connected to an output end of the rotating motor, a bevel gear No. 2 and stirring blades connected to the rotating rod, a shaft frame connected to a lower end of the bottom plate, and an adjusting shaft rotationally connected to the shaft frame. The pH detection device can realize the effect that the solution is not stirred during detection and the solution is not stirred during stirring by using the clamping head, the stirring environment is prevented from interfering with the pH detection, the reaction can be promoted by stirring to make the internal pH value stable, and then the detection is carried out; meanwhile, the detection head is arranged in the protection structure during the detection, the detection head is prevented from being polluted, and the precision of subsequent detection is improved.

The invention relates to the technical field of sewage treatment, in particular to a filtering device for sewage treatment, which comprises a sedimentation tank, the upper end of the sedimentation tank is fixedly connected with a V-shaped filtering plate, the lower end of the sedimentation tank is fixedly provided with a discharge assembly, the sedimentation tank is connected with a reciprocating moving plate through a driving assembly, and the reciprocating moving plate is fixedly connected with the sedimentation tank. A fixing hole is formed in the reciprocating moving plate in a penetrating mode, a fixing rod is slidably connected into the fixing hole, a pushing plate is fixedly connected to the lower end of the fixing rod, a spring is fixedly connected between the pushing plate and the reciprocating moving plate, a moving hole is formed in the edge of one side of the filtering plate, and the driving assembly drives the pushing plate to remove impurities and prevent blocking. Sewage waste is reduced through the permeable design; when the motor rotates quickly, the roller is driven to act compositely to promote medicament mixing and shorten the precipitation time; when the motor rotates slowly, the roller rolls on the surface layer of the sediment, and the height of the water pumping pipe is adjusted in real time, so that the effluent purity is guaranteed and different sediment quantity requirements are met.

This utility model discloses a polar molecular modified resin reactor, including a support leg, a reactor body, a reactor lid, a material inlet pipe, a discharge pipe, a one-way pressure relief valve, a stirring assembly, a fixing ring, a geared motor, a sealing gasket, and a nitrogen inlet pipe. The reactor body is installed on top of the support leg, the reactor lid is installed on top of the reactor body, both material inlet pipes are installed on the surface of the reactor lid, the discharge pipe is installed at the bottom of the reactor body, the one-way pressure relief valve is installed on the outer periphery of the reactor body, and the fixing ring is installed at the center of the surface of the reactor lid. This utility model can quickly reduce the material temperature and significantly increase the production speed of polar molecular modified resin. When nitrogen escapes from the shielding head, it can form bubbles in the raw materials. Combined with the rotating blades, it can accelerate the full mixing of the raw materials inside the reactor body, so that the raw materials put into the reactor body can fully react, thereby improving the production efficiency of polar molecular modified resin and further increasing the production speed.