2366 results about "Fluidized bed" patented technology

The invention relates to the field of batteries, in particular to a preparation method and system of a silicon-carbon material, and the preparation method comprises the following steps: pretreating porous carbon, conveying the pretreated porous carbon to a fluidized bed reactor, sequentially introducing a silicon source gas and a carrier gas for silicon deposition treatment, heating, introducing a carbon source gas, adjusting the flow of the carrier gas for carbon coating treatment, and discharging and cooling to obtain a finished product, meanwhile, reaction tail gas is recycled. The preparation system comprises a gas inlet unit, a fluidized bed reactor unit, a tail gas circulation unit, a feeding preheating unit and a discharging unit. The fluidized bed reactor comprises an outer shell, an up-down stirring device, a heat exchange assembly and an air distribution assembly, and efficient reaction and temperature control can be achieved. The silicon-carbon material prepared by the method has excellent electrochemical performance and is suitable for a lithium ion battery negative electrode material. The unique porous structure and the uniform carbon coating layer effectively improve the conductivity and the structural stability of the material, and meanwhile, the volume expansion effect of silicon in the charging and discharging process is reduced.

The invention discloses a process and equipment for synthesizing fluorapatite from wastewater, the equipment comprises a blending tank, a dispensing tank, a crystallization fluidized bed reactor, a reaction tank, a coagulation tank, a flocculation tank, a sedimentation tank, a pH detection device, a lift pump and a control system, fluorine-containing sewage and phosphorus-containing sewage are mixed in the blending tank, so that the molar ratio of fluorine to phosphorus is 0.34-0.4; the method comprises the following steps: adding fluorapatite into a reaction tank, adjusting the pH value to 7.5-8.5, pumping the fluorapatite and lime slurry into a crystallization fluidized bed reactor according to a calcium-phosphorus molar ratio of (3-3.5): 1, carrying out a crystallization reaction, naturally airing the generated fluorapatite crystals, carrying out a reaction on crystallization treatment water and the lime slurry in the reaction tank to remove fluorine and phosphorus, carrying out coagulation, flocculation and precipitation treatment, and discharging the effluent after reaching the standard. The high-quality fluorapatite product is prepared from the fluorine-containing sewage and the phosphorus-containing sewage, so that the preparation cost is low, and resourceful treatment of the fluorine-containing sewage and the phosphorus-containing sewage is realized.

The invention relates to the technical field of preparation of lithium sulfide, in particular to a method for preparing lithium sulfide through hydrogen reduction of lithium sulfate. According to the specific technical scheme, the method for preparing the lithium sulfide by reducing the lithium sulfate through the hydrogen comprises the steps that the lithium sulfate is smashed to be micron-sized and then fed into a fluidized bed reactor, then high-purity hydrogen preheated to 850 DEG C is introduced into the fluidized bed reactor from the bottom of the fluidized bed reactor, the reaction temperature is controlled to be 850 + / -20 DEG C, and the reaction time is controlled to be 5-10 min. The hydrogen reduction method is relatively low in reaction temperature (700-900 DEG C), hydrogen is used as a clean reducing agent, a reaction byproduct is only water, and the problems of insufficient purity, high energy consumption, serious environmental pollution and the like in a traditional lithium sulfide preparation method can be avoided. The introduction of the fluidized bed technology can greatly enhance the gas-solid phase heat and mass transfer efficiency, realizes the continuity and automation of the process, and is an important path for realizing the industrialization of the reaction.

The invention discloses a printing and dyeing wastewater advanced treatment and salt control recycling process and system, and belongs to the technical field of wastewater treatment. According to the process, the printing and dyeing wastewater is sequentially subjected to pretreatment of grating interception, adjustment and homogenization, and coagulating sedimentation; carrying out hydrolytic acidification and biochemical treatment in a membrane bioreactor; softening treatment of ozone oxidation complex breaking and fluidization crystallization softening; carrying out nanofiltration separation to obtain a permeate and a concentrated solution; carrying out seed crystal fluidization descaling on the concentrated solution; respectively carrying out membrane concentration on the nanofiltration permeate and the descaled concentrated solution through reverse osmosis to obtain sodium chloride and sodium sulfate concentrated solutions; and finally, carrying out evaporation curing treatment on the sludge and the crystallized waste residues. Through multi-step cooperative treatment, deep purification of the printing and dyeing wastewater and efficient separation and recycling of salt are realized, and the problems of impure nanofiltration salt separation and high system scaling risk in the prior art are solved.

The invention relates to the technical field of metal wire processing, and discloses a high-performance metal wire plastic coating process for aerospace engineering, which comprises the following steps: carrying out base material type selection on a metal wire, and carrying out surface treatment of precise cleaning, etching and depth gradient activation; a Ti-Cr alloy and graphene-copper composite transition layer is deposited through a magnetron sputtering technology, and a multi-layer coating structure is formed through electrostatic spraying of a base coating, a fluidized bed dipping function layer and high velocity oxy-fuel spraying of a nano composite coating in sequence; the molybdenum-gold composite sealing layer is prepared by adopting an electric arc spraying technology, and is subjected to vacuum ultraviolet curing enhancement, high-temperature gradient annealing, gradient sintering and vacuum curing treatment; and heat radiation on the surface of the coating is enhanced through laser-induced micro-nano structure regulation and silicon nitride film sputtering. Through collaborative optimization of base material treatment, coating construction, function strengthening and quality control, the interface bonding strength, the comprehensive performance and the environmental adaptability of the spaceflight metal wire coating are remarkably improved, and the service life of the spaceflight metal wire coating is remarkably prolonged.

The invention discloses a fluidized bed airflow crushing control method and equipment with an adjustable grading wheel, and relates to the technical field of material crushing, and the method comprises the following steps: controlling and configuring the rotating speed of the grading wheel, airflow pressure and feeding rate according to the initial particle size distribution and target particle size requirements of a crushed material sample; performing preliminary crushing in the crushing chamber, determining the particle size distribution and the particle size span of the material, entering the inner cavity of the grading wheel along with the ascending air flow after the target particle size requirement is met, otherwise, returning to the crushing chamber; meanwhile, the feeding rate is adjusted according to the material concentration in the fluidized bed, the material collision frequency and the particle residence time in the crushing chamber are monitored, a self-adaptive control parameter library is obtained, and the crushing parameters of the materials to be crushed are configured. The technical problems that in the prior art, the crushing efficiency is low and the particle grading effect is poor due to the fact that the material crushing particle size is difficult to accurately control are solved, and the technical effects that accurate control over material crushing is achieved, and the crushing efficiency and the particle grading effect are improved are achieved.

The invention relates to the technical field of jet milling, in particular to a jet milling control method for a fluidized bed jet mill. The method comprises the following steps: acquiring the scattered particle weight increment of large particles and the fine weight increment of fine particles between adjacent sampling moments; dividing into an initial increasing stage and a uniform increasing stage according to the numerical value change of the weight increment of the scattered particles at the maximum value position; in the initial increasing stage, the retention degree is determined according to the trend change of the small weight increment; the drag force degree is determined according to the numerical comparison of the fine weight increment and the granular weight increment in the initial increasing stage and the uniform increasing stage; and determining an adjustment coefficient of the jet milling pressure by combining the retention degree and the drag force degree at the current moment, and regulating and controlling the jet milling pressure at the current moment according to the adjustment coefficient. The airflow crushing pressure can be adjusted and controlled more objectively and reasonably, and the airflow crushing efficiency is effectively improved.

The present invention relates to the technical field of chemical equipment, particularly to a porous carbon activation method, which comprises: inputting a carbon raw material and a preset reaction gas into a fluidized bed reaction device to carry out an activation reaction to prepare porous carbon, and the fluidized bed reaction device comprises a feeding tank, a raw material preheating furnace, a reactor, a heating unit and a discharging tank, a gas distributor, a stirring paddle, a cyclone separator and / or a metal filter column are arranged in the reactor; the activation method comprises the following steps: S1, conveying a carbon raw material to a raw material preheating furnace, and preheating in an inert atmosphere; s2, conveying the preheated carbon raw material into a reactor, introducing reaction gas under a preset activation condition, and carrying out an activation reaction to obtain activated porous carbon; s3, under the protection of an inert atmosphere, conveying the activated porous carbon to a discharging tank, cooling, and discharging to obtain a porous carbon product; through stepped activation and multi-section temperature control design, the problems of poor product uniformity and high energy consumption of a traditional process are solved.

The invention relates to the technical field of material detection, in particular to a cross-linked polyethylene insulation material impurity full-detection device and system for a high-voltage cable and application, the detection device carries out detection based on single-row continuous flowing insulation material particles, and the detection device comprises a near infrared spectrum imaging unit, a visible light imaging unit and an image processor, and identifying black spot impurities and heterochromatic particles. The full-detection system provides a detection channel for installing full-detection equipment and comprises a current limiting pipe body and a camera obscura structure, and reflection spectrum and surface color information are collected in the camera obscura structure; the full-inspection system further comprises a buffer stock bin, a finished product stock bin, a pneumatic sorting module, a cyclone separator, a cooling fluidized bed and a metal separator. Impurity identification reliability is guaranteed through double optical detection, full-process online detection of insulation material impurities can be achieved, limitation of traditional sampling detection is broken through, full-detection coverage of insulation material particles is achieved, the impurity missing detection risk is eliminated, and the strict requirement of an ultrahigh-voltage cable for insulation material cleanliness is fundamentally met.

The invention discloses a dynamic rotational flow stirring fluidized bed and a method for preparing a silicon-carbon negative electrode material. The dynamic rotational flow stirring fluidized bed comprises a reaction cylinder, a dynamic stirring mechanism and a rotational flow type gas distributor, and the reaction cylinder is provided with a solid material inlet, a gas outlet and a heater; the dynamic stirring mechanism comprises a connecting seat, a stirring shaft which rotates in a sealing manner in the connecting seat, a servo gear motor for driving the stirring shaft, and a stirring paddle fixed at the upper end of the stirring shaft; the spiral-flow type gas distributor comprises a gas distribution sleeve which is coaxial with the stirring paddle and a branch pipe arm which is communicated with the upper end of the gas distribution sleeve; the branch pipe arm inclines upwards and the root part is communicated with the gas distribution sleeve; detachable upper nozzles are arranged on the upper side wall of the branch pipe arm at intervals, and detachable lower nozzles are arranged on the lower side wall of the branch pipe arm at intervals; air outlet holes communicated with the distribution sleeve are uniformly distributed in the circumference of the stirring shaft; and a central shaft hole communicated with the air outlet hole is formed in the stirring shaft. According to the invention, the dead zone can be eliminated, and the fluidization reaction efficiency and quality can be improved.

The invention discloses a silicon powder activity on-line dynamic monitoring method, which comprises the following steps: S1, on-line monitoring: monitoring characteristic parameters by using a plurality of spectrum detectors in the operation process of a fluidized bed; s2, parameter conversion: calculating intermediate parameters according to a parameter conversion formula by utilizing the characteristic parameters monitored in the step S1 in the online monitoring; and S3, activity calculation: calculating the real-time activity index of the silicon powder in the fluidized bed according to an activity calculation formula by using the intermediate parameters calculated in the step S2. The method has the advantages that the activity condition of the silicon powder in the fluidized bed can be accurately reflected in real time, and a scientific basis is provided for evaluating the activity of the silicon powder by accurately calculating key parameters such as a hydroxyl inhibition factor, an amorphous phase activity gain and a metal impurity inhibition factor; a regulation and control basis is provided for real-time regulation and control of the feeding proportion and the like of the fluidized bed, the production process is optimized, the product quality is improved, the production cost is reduced, and remarkable economic benefits are brought to enterprises.

The present invention provides a biomass gasification control system and a biomass gasification control method, and belongs to the field of biosynthesis, the biomass gasification control system comprises: a first-stage fluidized bed pyrolysis reactor for performing a preliminary pyrolysis reaction on a biomass raw material to obtain a pyrolysis reactant; the second-stage fluidized bed gasification reactor is used for carrying out gasification reaction on the pyrolysis reactant by utilizing various gasification agents to obtain target synthesis gas, including H2 and CO; wherein the multiple gasifying agents comprise oxygen, water vapor and carbon dioxide; the sensor monitoring module is used for monitoring real-time state data in the first-stage fluidized bed pyrolysis reactor and the second-stage fluidized bed gasification reactor; the central control module is used for sending out an adjusting instruction according to the real-time state data, and the adjusting instruction is used for adjusting and controlling the flow of the multiple gasifying agents, the rotating speed of the fan and the reaction temperature, so that the molar ratio of H2 to CO in the generated target synthesis gas is within a first threshold value range.

The invention discloses a preparation method and application of a wind cap of a circulating fluidized bed gasifier, the wind cap is arranged at the bottom of a gasifier body, the wind cap mainly comprises a wind cap gas inlet, a wind cap gas outlet and a wind cap gas flow channel, and the wind cap gas flow channel is composed of a Tesla valve fluid channel. The air cap is prepared from modified fly ash through a combined method of freezing ball-milling nano modification, 3D printing coupling microwave-assisted sintering and salt bath chromizing strengthening. According to the method, a large amount of solid waste of fly ash can be consumed to realize carbon emission reduction, the efficiency of the circulating fluidized bed can be improved through structural optimization, meanwhile, the preparation cost of the hood can be reduced, and the method has relatively high application and popularization values.

The invention discloses a circulating fluidized bed boiler water supply optimization method and system, and belongs to the technical field of boiler energy conservation. The system mainly comprises a condensate water tank, a demineralized water tank, a slag cooler, a deoxygenization water tank, a condensate water pump, a demineralized water pump, a plate heat exchanger, a reverse osmosis membrane group, a demineralized water buffer tank and the like. The principle of'condensate water priority 'is adopted, the supply amount of condensate water is preferentially adjusted according to the liquid level of the deoxygenated water tank through the intelligent control unit, and the insufficient part is supplemented by demineralized water; the demineralized water subjected to heat exchange by the slag cooler is intelligently distributed to a demineralized water tank, a condensation water tank or a deoxygenization water tank according to the water outlet temperature; the plate heat exchanger can preheat reverse osmosis inlet water by adopting a desalting water mode or a steam mode; the demineralized water buffer tank effectively inhibits water impact. Dynamic balance and heat energy gradient utilization of steam condensate water and demineralized water are achieved, the problems of water tank overflow and energy waste are effectively solved, and the economical efficiency and stability of boiler operation are remarkably improved.

The invention discloses a porous carbon preparation method and a continuous fluidized bed system.The porous carbon preparation method comprises the steps that rice husks and bamboo fibers are mixed and smashed, the smashed rice husks and bamboo fibers are dried and then mixed with a composite activating agent solution to be steeped, and a pretreated material is formed; feeding the pretreated material into a first-stage fluidized bed, and carbonizing the pretreated product in a nitrogen atmosphere to obtain a carbonized product; feeding the carbonized product into a second-stage fluidized bed, introducing saturated steam and CO2 gas into the second-stage fluidized bed in stages, and activating the carbonized product to obtain an activated product; feeding the activated product into a third-stage fluidized bed, introducing methane gas into the third-stage fluidized bed in an inert gas atmosphere, and performing micropore surface modification on the activated product to obtain a modified product; and washing the modified product with a hydrochloric acid solution and deionized water in sequence, and carrying out vacuum drying to obtain a porous carbon product. According to the preparation method of the porous carbon, the micropore development efficiency is improved, and continuous production of the porous carbon with high specific surface area and high micropore proportion is realized.

The utility model relates to a horizontal fluidized bed drying machine for xanthate production, and belongs to the technical field of drying machines, the horizontal fluidized bed drying machine comprises a drying machine main body, an exhaust pipe is fixed on the upper surface of the drying machine main body, and an induced draft fan is fixed on one side, far away from the drying machine main body, of the exhaust pipe. According to the horizontal fluidized bed drying machine for xanthate production, materials are fed into the drying machine body from the feeding hopper, hot air is fed into the drying machine body through the air feeder, the materials are subjected to fluidized drying in the hot air, the dried air is exhausted through the exhaust pipe, the induced draft fan and the heat exchanger conduct heat recovery, and the motor drives the worm, the worm gear, the two-way screw, the toothed plate, the gear and the threaded rod to rotate. The movable block, the connecting rod, the rotating rod and the shifting plate move left and right, materials are evenly distributed on the net plate, it is ensured that the materials make full contact with hot air, the drying effect is improved, it is ensured that the materials are evenly distributed and make full contact with the hot air, the drying efficiency is improved, energy consumption is reduced, the product quality is ensured, and the market competitiveness is improved.

The application discloses a kind of synchronous denitrification and phosphorus removal light materials and its preparation and application method, belong to environmental functional materials and sewage treatment technical field.The application is obtained by fully melting and dispersing sulfur and iron-based component, and the iron-based component is a mixture of pyrite and calcium-magnesium carbonate.The molten mixture is foamed to form a synchronous denitrification and phosphorus removal light material.The synchronous denitrification and phosphorus removal light material has high porosity, large specific surface area, light weight and high reactivity.The light material is used as a microbial carrier and an electron donor for biochemical reactions, and is applied to fixed bed, fluidized bed and other reactors for sewage treatment.The light material has good microbial adhesion performance, high denitrification rate and good phosphorus removal effect.

The application discloses a preparation method of high-purity yellow phosphor, which comprises the following steps: (1) adding pure water into a reaction kettle, adding liquefied yellow phosphor under the condition of heat preservation, starting a stirrer in the reaction kettle, and repeatedly rinsing the yellow phosphor to remove floating impurities; (2) introducing the rinsed yellow phosphor into a circulating fluidized bed reactor provided with a catalyst bed after fully mixing the yellow phosphor with an oxidizing agent through a mixer, fully contacting a mixed fluid of the yellow phosphor and the oxidizing agent with catalyst filling materials in the catalyst bed, and performing an oxidation-reduction reaction; (3) after the oxidation-reduction reaction is completed, the yellow phosphor is flowed back to the reaction kettle from the circulating fluidized bed reactor, and the yellow phosphor flowed back to the reaction kettle is pumped into the circulating fluidized bed reactor to circulate the above oxidation-reduction reaction; and (4) after the reaction is completed, the liquefied industrial yellow phosphor in the reaction kettle is left to be stratified, impurities are removed, refined yellow phosphor is separated, and high-purity yellow phosphor is obtained by rinsing with high-purity water.

The invention relates to the technical field of fluid-state solidified soil, and particularly discloses high-fluid-state solidified soil and a preparation method thereof. The high-flow-state solidified soil is prepared from the following raw materials in parts by weight: 1100 to 1200 parts of recycled aggregate, 700 to 800 parts of river sand, 100 to 130 parts of a curing agent, 18 to 22 parts of a polycarboxylic acid water reducing agent, 75 to 85 parts of solidified soil repairing microcapsules and 55 to 95 parts of water, the solidified soil repairing microcapsule is prepared by taking polylactic acid and nano calcium carbonate grafted polyethylene glycol as composite membrane materials, and wrapping and forming sulphoaluminate cement paste through an emulsification-solidification method. The solidified soil repairing microcapsules are introduced into the solidified soil, pores in an interface transition area can be filled, micro cracks can be repaired, and the durability of the solidified soil is improved.

The invention discloses a circulating water blow-off water reuse treatment system, and relates to the field of circulating cooling water treatment, the system comprises: an induced crystallization unit, which is used for carrying out primary treatment on circulating water blow-off water through an induced crystallization fluidized bed reactor to remove hardness ions in water; the ceramic membrane filtering unit is used for carrying out secondary treatment on the primarily treated water by utilizing a ceramic membrane device and removing residual hardness ions, organic matters and suspended matters in the water; and the nanofiltration membrane unit is used for performing tertiary treatment on the water by utilizing a nanofiltration membrane according to the secondary treatment result to remove salt and organic matters in the water. According to the method, induced crystallization, ceramic membrane and nanofiltration membrane technologies are combined to cooperatively treat the circulating water and the blow-down water, so that the operation mode of simplifying the process, reducing the energy consumption and prolonging the backwashing period is realized, the dosage of chemicals and the generation of sludge are reduced, and the water recovery rate is also improved, so that the hardness is removed, and the calcium resource recovery is realized.

This invention discloses a positive electrode material and its preparation method, as well as a lithium-ion battery, relating to the field of lithium-ion battery electrode materials. The preparation method of the positive electrode material includes: (1) mixing positive electrode raw materials, binder, and dispersant uniformly in a weight ratio of 10:(0.2-2):(10-50) to obtain a slurry; (2) spray-drying the slurry to obtain a powder; and (3) sintering the powder using a fluidized bed. The binder is selected from one or more of starch, PVP, PEG, PVA, and PAN, and the dispersant is selected from one or more of ethanol, isopropanol, and water. Implementing this invention can reduce the sintering temperature of the positive electrode material, shorten its sintering reaction time, and improve its sintering quality. Specifically, the sintering time of the positive electrode material of this invention can be shortened to 2-60 min.

The application belongs to the technical field of refractory materials, and particularly relates to a corundum castable special for a circulating fluidized bed boiler and a preparation method thereof. The raw materials of the castable include 20-50 parts of white corundum particles with a size of 3-5 mm, 5-10 parts of alpha-alumina micropowder, 2-5 parts of microsilica, 1-5 parts of a binder, 0.5-1 part of a water reducing agent, and 1-5 parts of SiC-ZrB2 / chitosan quaternary ammonium salt modified graphene composite material. The castable has the properties of low apparent porosity, good mechanical properties, strong corrosion resistance and the like.

The invention discloses a multi-layer composite polypropylene color master batch and a preparation method thereof.The multi-layer composite polypropylene color master batch comprises an inner layer, a middle layer and an outer layer, the inner layer is coated with the middle layer, the middle layer is coated with the outer layer, matrix resin, a composite toughening agent and an interface modifier are subjected to melt blending in a double-screw extruder, nano reinforcing filler is added, extrusion granulation is performed, and the multi-layer composite polypropylene color master batch is obtained. Carrier resin, hyperbranched polyesteramide and a toner pre-dispersion body are mixed at a high speed and then uniformly coated on the outer surface of the inner layer through fluidized bed equipment, and a mixture of a weather-proof additive and a lubricant is attached to the outer surface of the middle layer by adopting an electrostatic spraying process to form the outer layer. According to the multi-layer composite color master batch, the matrix resin and the composite toughening agent have a synergistic effect, so that the impact strength of the color master batch is improved, the cavity structure of hyperbranched polyesteramide is coated with the toner, the silane is used for treating the nano filler to reduce agglomeration and chromatic aberration, the outer layer delays aging, the lubricant reduces the extrusion torque, and the multi-layer composite color master batch is adaptive to a high-speed pipe production line.

Disclosed are a fluidized bed separation method and device for methanol-to-olefins quenched water. The method may subject quenched water to liquid-solid separation via a micro-cyclone separator. The method may also subject clear liquid from the micro-cyclone separator to a secondary separation via a fluidized bed separator, then sending the same to an olefin separation device, then recovering some waste heat of the quenched water, and then returning the same to a quenching tower after performing heat exchange. The method may also regenerate a separation medium by reversely feeding stripping tower purified water or quenched water, so as to release catalyst particles absorbed by the separation medium. The method may also send a catalyst slurry concentrated by the micro-cyclone separator and the fluidized bed separator to a filter-press unit for filter-press dehydration, so as to recover a catalyst.

The invention relates to the technical field of circulating fluidized bed flue gas desulfurization, and discloses an automatic control system applied to a CFB desulfurization digester. The feeding unit is used for conveying quick lime and comprises a quick lime bin, a screw feeder and a belt conveying scale which are connected in sequence, and the belt conveying scale is in signal connection with the digestion automatic controller; the digestion reaction unit comprises a three-stage digester and a plurality of digestion thermometers arranged in the three-stage digester, and the digestion thermometers are in signal connection with the digestion automatic controller. The water-cement ratio is dynamically adjusted by monitoring the temperature change trend in real time, fluctuation of the quality of quick lime can be automatically adapted, and the limitation of fixed water-cement ratio control is overcome; by searching the optimal water-cement ratio, the full digestion of the quick lime is ensured, and the activity and uniformity of the slaked lime product are improved; and moreover, the dependence on artificial experience is reduced through automatic control, and the stability and continuity of system operation are improved.

The invention relates to the technical field of porous carbon activation, in particular to a porous carbon activation system for heat-carrying particle circulation, which comprises: a fluidized bed reaction unit; a cooling and discharging unit; a feeding unit; the tail gas conveying unit is used for collecting reaction tail gas formed after the activation reaction; the activated gas supply unit is used for conducting heat of the reaction tail gas to the activated gas for preheating and mixing the reaction tail gas with the activated gas to output mixed activated gas; the heat-carrying particle heating unit is used for heating the heat-carrying particles which do not enter; the conveying and separating unit is used for conveying the heated heat-carrying particles to an activation reaction area in the fluidized bed reaction unit so as to provide heat required by an activation reaction, and comprises a lifting pipe, a cyclone separator and a conveying fan which are used for supplying conveying pressure to the heat-carrying particles and reaction raw materials by introducing nitrogen into the fluidized bed reaction unit. According to the invention, the specific surface area and the microporosity of the porous carbon are improved.

The invention discloses a thermal power plant deep peak regulation system and method utilizing high-temperature heat storage energy, and belongs to the field of coupling of industrial high-temperature heat storage energy and thermal power plant deep peak regulation. The system comprises a heating unit which is connected with an electric energy conversion and supply unit and / or a heat energy transfer and storage unit so as to convert electric energy or steam heat energy into heat storage energy of heat storage particles; the heat storage unit is used for storing the high-temperature heat storage particles conveyed by the heating unit; the heat release unit is used for receiving the high-temperature heat storage particles conveyed by the heat storage unit; wherein the heat release unit is a fluidized bed boiler in a thermodynamic system of a thermal power plant, so that heat storage energy of the heat storage particles is transmitted to the original thermodynamic system of the thermal power plant, and deep peak regulation of the thermal power plant is realized through overheating thermal power generation with rated parameters generated by the thermodynamic system. By means of the system, the problem that in the deep peak regulation process of an existing thermal power plant, a thermodynamic system of the thermal power plant and an industrial solid-state high-temperature heat energy storage technology are not coupled is solved.

The utility model provides a fluidized bed iron-carbon micro-electrolysis reactor with an enhanced denitrification function, which belongs to the technical field of sewage treatment and comprises a reaction tower body, a water inlet header pipe and an air lifter, the reaction tower body comprises a bearing plate, and a crystal discharge header pipe is arranged at the bottom of the iron-carbon composite fluidized filler and penetrates through the reaction tower body. The iron-carbon micro-electrolysis reactor disclosed by the utility model has the beneficial effects that the iron-carbon composite fluidizing filler arranged in the reaction tower body of the reactor can be in a fluidizing state under the action of lifting water flow of the air lifter, so that the mass transfer exchange rate is improved, and the time required by iron-carbon micro-electrolysis reaction is greatly reduced, thereby reducing the volume and construction cost of the reactor and improving the production efficiency. Meanwhile, the filler particles are always in an irregular motion state in a fluidized state, so that the problem of hardening of the filler particles in the reactor is avoided; the iron-carbon composite fluidized filler comprises sodium chloride modified zeolite filler particles, and the sewage treatment efficiency of the reactor can be greatly improved.

The invention provides an integrated nanofiltration combination device for high-quality drinking water treatment and a treatment method, and belongs to the technical field of water treatment. The problems of low utilization rate of water resources and high risk of concentrated water discharge in high-quality drinking water treatment of a nanofiltration technology are solved. The nanofiltration combination device comprises a water inlet tank, a nanofiltration module, a concentrated water tank, an ultrasonic disperser, an induced crystallization fluidized bed, a softening agent tank and an antisludging agent tank, the water inlet tank is connected with the nanofiltration module, a treated water outlet of the nanofiltration module is connected with a water outlet pipe, a nanofiltration concentrated water outlet of the nanofiltration module is connected with the concentrated water tank, and the antisludging agent tank is connected with the concentrated water tank. The concentrated water tank is connected with the ultrasonic disperser, the ultrasonic disperser is connected with a water inlet of the induced crystallization fluidized bed, the softening agent gallipot and the scale inhibitor gallipot are respectively connected with the induced crystallization fluidized bed, and a water outlet of the induced crystallization fluidized bed is connected with the water inlet tank. The device is mainly used for high-quality drinking water treatment.

The invention provides a circulating fluidized bed boiler load self-adaptive control system and method, and belongs to the technical field of circulating fluidized bed boiler load self-adaptive control. In order to realize in-boiler temperature regulation based on dynamic conveying of settled ash in a boiler and realize efficient active matching of heat transfer capability in a quick response load process of the boiler, the technical scheme is that the top of a hearth of the circulating fluidized bed boiler is communicated with the top of a cyclone separator through a coal ash recovery pipeline, and the top of the cyclone separator is connected into a tail flue; an economizer is arranged in the middle of the tail flue, and a flue outlet is formed in the bottom of the tail flue; the bottom of the cyclone separator is connected with a circulating ash returning device through an outlet pipeline, a settled ash conveying hole is formed in the upper part or the side part of the circulating ash returning device, and a conveying pipeline is welded on the outer side of the settled ash conveying hole and is connected with the bottom of a hearth of the circulating fluidized bed boiler; the method is used for self-adaptive control of the load of the circulating fluidized bed boiler.