22results about How to "Fully pyrolyzed" patented technology

The invention discloses a Ca / Mg-based modified biochar material and a preparation method and application thereof, and the preparation method comprises the following steps: pretreatment: drying a biomass material shaddock peel, crushing, sieving, washing and drying, then carrying out acid leaching activation, washing again and drying to obtain high-activity biomass powder for later use; dipping modification: fully mixing the high-activity biomass powder obtained in the pretreatment step with CaO and MgO, adding distilled water, dipping under heating and stirring conditions, then carrying out solid-liquid separation, washing a filter cake for multiple times, freeze-drying, and sieving to obtain an intermediate product; the intermediate product is calcined, naturally cooled, washed and dried, and the Ca / Mg-based modified bimetallic modified charcoal material is obtained and can be applied to adsorption of phosphate in a wastewater solution as an adsorbent. The preparation method is simple, the raw materials are easy to obtain, the cost is low, the material stability is good, the pH adaptability is good, the adsorption effect is good, and the method is suitable for water environments with more complex pollution factors.

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The invention relates to preparation of an intelligent self-repairing iron-nickel-based corrosion-resistant alloy material, which comprises the following steps: synthesis of acrylic resin, preparation process of microcapsules, pretreatment of a magnesium alloy substrate, preparation of an acrylic resin coating, preparation of an electro-deposition iron-nickel alloy, preparation of a precursor ceramic repairing agent, and preparation of the intelligent self-repairing iron-nickel-based corrosion-resistant alloy material. An electrodeposition method, a solution polymerization method and a coating preparation method are creatively combined, the prepared intelligent self-repairing iron-nickel-based corrosion-resistant alloy material is a high-strength and high-hardness alloy material, and the intelligent self-repairing iron-nickel-based corrosion-resistant alloy material has the advantages of self-repairing function, corrosion resistance, wear resistance and high hardness.

The utility model discloses a waste solar panel pyrolysis recovery system, which relates to the technical field of battery panel recovery, and comprises a pyrolysis furnace, a water-cooling spiral, a gravity separator, a slag bin, a pretreatment device, a condenser, a secondary combustion chamber, a heat exchanger, a tail gas purifier, an induced draft fan, a chimney and a liquid storage tank, the pretreatment device is connected to the input end of the pyrolyzing furnace, the input end of the condenser is connected with the output end of the pyrolyzing furnace, the non-condensable gas output end of the condenser is connected with the input end of the secondary combustion chamber, the condenser, the secondary combustion chamber, the heat exchanger, the tail gas purifier, the induced draft fan and the chimney are sequentially connected, and the condensate output end of the condenser is connected with the liquid storage tank. According to the waste solar panel pyrolysis recovery system provided by the utility model, the waste solar panel can be effectively recovered and treated, the resource recovery utilization rate can be improved, the adverse effect on the environment can be reduced, and a powerful guarantee is provided for green and efficient recovery and utilization of the waste solar panel.

The application discloses a biomass pyrolysis system for co-production of tar and fuel gas, which comprises a casing, a crushing mechanism and a crushing cylinder, the crushing mechanism is rotatably installed in the casing, the crushing cylinder is fixedly installed on the bottom of the crushing mechanism, the crushing cylinder is coaxially arranged with the casing, a crushing space is formed between the outer wall of the crushing cylinder and the inner wall of the casing, a feeding port is formed in the top of the casing, and an outer discharging port is formed in the bottom of the casing; a driving assembly is installed on one side of the casing, the output end of the driving assembly is drivingly connected with the crushing mechanism, the driving assembly drives the crushing mechanism to rotate in the casing, and a fixed gear ring is coaxially and fixedly installed in the casing. The biomass raw material can be crushed through the crushing mechanism, the biomass raw material can be finely processed to the maximum extent during crushing, and the pyrolysis speed can be improved during pyrolysis.

This utility model relates to a reactor for recovering residual alcohols, belonging to the technical field of reactors, specifically a reactor for recovering alcohol by-products from polyester. It includes a base, a processing tank on top of the base, a drive motor on the outside of the processing tank, an air inlet box fixedly mounted on the side wall of the drive motor, an air inlet pipe fixedly mounted on the side wall of the air inlet box, a drive shaft fixedly mounted on the side wall of the drive motor's output shaft, and an air inlet groove communicating with the interior of the air inlet box on the side wall of the drive shaft. A rotating groove is formed on the inner side wall of the processing tank, and a rotating frame is rotatably mounted inside the rotating groove. In this utility model, hot gas is sent into the interior of the air inlet box through the air inlet pipe, and the air inlet groove ensures that the hot gas is evenly distributed inside the rotating frame and connecting column. The drive motor drives the rotation of the drive shaft, stirring the material sent into the processing tank, while simultaneously distributing heat evenly within the material, allowing for complete pyrolysis. This solves the problem of insufficient pyrolysis in existing methods.

The invention provides an organic solid waste pyrolysis treatment device which comprises a crawling ladder, a control box, a second-stage heat treatment assembly, a switch assembly and a second-stage heat treatment assembly, and the second-stage heat treatment assembly used for conducting secondary pyrolysis on organic solid waste is installed on the lower side of the right portion of the crawling ladder. The invention further provides an organic solid waste pyrolysis treatment device and method, at the beginning of starting of the device, a switch piece of the device needs to be checked firstly, it is ensured that a butterfly valve in the switch piece is in a closed state, and compared with the prior art, the organic solid waste pyrolysis treatment device has the following beneficial effects that the first-stage heat treatment assembly is arranged, so that the safety of the device is improved; organic solid waste can be continuously subjected to pyrolysis treatment through cooperation of the first-stage heat treatment assembly and the second-stage heat treatment assembly, the organic solid waste treatment capacity of the whole device is greatly improved, and through arrangement of a first conveying part, a second conveying part and a third conveying part, the effect and efficiency of secondary pyrolysis of the organic solid waste can be improved; therefore, the organic solid waste can be thoroughly pyrolyzed before being discharged.

The present invention provides the use of a promoter in the preparation of carbon-supported single-atom materials by microwave heating; the promoter includes one or more of lithium chloride, sodium chloride, potassium chloride, rubidium chloride, cesium chloride, lithium oxide, sodium oxide, potassium oxide, rubidium oxide, cesium oxide, lithium carbonate, sodium carbonate, potassium carbonate, rubidium carbonate and cesium carbonate. The present invention uses a specific promoter for the preparation of carbon-supported single-atom materials by microwave heating, and further adds a microwave absorber zinc chloride to fully pyrolyze an organic precursor with poor microwave absorption capacity under microwaves to obtain a highly carbonized carbon-supported metal single-atom material. The present invention uses zinc chloride as a microwave absorber to absorb microwave energy for heating, and the promoter is used to enhance the wave absorption capacity of zinc chloride, greatly increase the microwave heating temperature, and achieve full pyrolysis of the organic precursor, and the addition of the promoter not only greatly enhances its microwave heating capacity, but also has the advantages of low cost and easy removal after heating.

The embodiment of the present disclosure provides a fluidized reaction bed device and a method for preparing hydrogen-rich synthesis gas. The device comprises a gasifier, wherein the gasifier comprises a frame body, a main reactor is arranged inside the gasifier, and a temperature control unit is arranged on one side of the frame body; the gasifier comprises an upper furnace body and a lower furnace body, and the temperature control unit is configured to independently control the reaction temperature in the upper furnace body and the lower furnace body, respectively; the top of the main reactor is located in the upper furnace body, and is connected with a gas product collection assembly and a catalyst feeding port; the middle of the main reactor is connected with a biomass feeding assembly, and the bottom of the main reactor is connected with a reaction medium supply assembly and a solid product collection assembly. The device integrates the functions of continuous feeding, two-stage heating and modular collection, can realize the continuous operation of the biomass gasification reaction, ensures the sufficient pyrolysis of raw materials, and effectively improves the hydrogen yield and the system stability.

The invention relates to an after-treatment cylinder type mixer which comprises a double-layer shell assembly with a heat preservation structure and an inner core assembly. A urea nozzle seat is arranged on the shell assembly; the inner core assembly is located in the shell assembly and comprises a support, a fixing cylinder, a rotary taper pipe and a Venturi pipe. The support is installed in the mixing cavity of the shell assembly and divides the mixing cavity into a front cavity and a rear cavity. The fixed cylinder is vertically arranged on the base plate of the bracket in a penetrating manner; the rotary cone tube is arranged at the upper end of the fixed cylinder, the upper end of the rotary cone tube is matched and aligned with a bottom jet orifice of the urea nozzle seat, and the upper end of the venturi tube is connected with the rotary cone tube while the lower end extends out of the fixed cylinder. The mixer is compact in structure, urea and exhaust gas can be efficiently and evenly mixed, urea spray can be prevented from being attached to the wall face, and the mixer has the advantages of being simple in structure, high in crystallization resistance and even and efficient in mixing.

The invention discloses a numerical simulation method and system for soil thermal desorption treatment in a complex site, and relates to the technical field of data simulation, and the method specifically comprises the following steps: constructing a site three-dimensional model based on site working conditions, a soil structure and thermodynamic parameters; performing gridding processing on the site three-dimensional model to generate a preliminary grid model, and performing dynamic adjustment on the preliminary grid model regularly based on a preset index threshold to obtain a dynamic adaptive grid model; and carrying out numerical simulation calculation on the soil thermal desorption treatment process by utilizing the dynamic self-adaptive grid model, and storing a calculation result. According to the method, a numerical simulation method based on a dynamic adaptive grid technology is adopted, the grid density can be automatically adjusted, and the adaptability ensures that a higher grid resolution is achieved in an area with severe temperature change, so that the precision of simulation calculation is greatly improved, and the simulation accuracy is improved. And the simulation result is closer to the temperature distribution condition in the actual soil thermal desorption process.

The present invention relates to the technical field of material pyrolysis, and in particular to a rotary kiln for pyrolysis. Its technical solution includes: a kiln positioning assembly, a rotary heating disk is rotatably installed inside the kiln positioning assembly, two sets of position adjustment drive assemblies are installed on both sides of the kiln positioning assembly, a wave-type positioning assembly is installed inside the rotary heating disk, and a guide assembly is installed on the outer side of the position adjustment drive assembly. The present invention causes the raw materials impacting the double-plate clamping frame to undergo a relative cutting movement with the double-plate clamping frame under the influence of the rotating force of the threaded guide rod, so that the agglomerated raw materials are cut and separated, and at the same time, the electric telescopic rod drives the built-in threaded turntable and the double-plate clamping frame to move toward the engaging turntable, pushing a small amount of raw materials that may be blocked by the scraper rod into the engaging turntable for decomposition, thereby preventing the various openings of the rotary kiln from being blocked, and at the same time facilitating the recovery of sticky raw materials and improving the pyrolysis efficiency.

The invention discloses a plasma device and method for treating radioactive waste through liquid metal. A method for treating radioactive waste through liquid metal comprises the following steps that tin is put into a plasma furnace, and the tin is molten into a liquid state under the action of plasma jet to form a liquid metal layer; the radioactive waste resin is dried and crushed into particles, the particles are sent into the liquid metal layer through nitrogen, oxygen is introduced into the liquid metal layer, a glass solution layer is generated on the liquid metal layer, tail gas is decomposed out, and after the glass solution layer is cooled, vitrified solids are obtained. According to the method, volume reduction and innocent treatment of the radioactive waste resin can be simply, conveniently and efficiently achieved, meanwhile, coking is prevented from blocking a furnace body, and the ignition loss rate of bottom slag is reduced.

The present application relates to the technical field of electronic packaging, and especially relates to a power electronic packaging module and a packaging method, wherein a pyrolyzable polymer film is used as a temporary carrier, and a microgroove array is constructed on the surface; nano metal solder paste is filled in the microgroove array to form a patterned metal layer; a power chip and a substrate are respectively arranged on two sides of the patterned metal layer, and are attached and temporarily fixed; the whole structure after attachment is arranged in a sintering cavity, and under the condition of 200-260 DEG C and no external pressure, the atmosphere composition and the temperature are controlled in stages, so that the polymer film is pyrolyzed and removed, the nano metal solder paste is sintered to form a metal network structure, and metallurgical interconnection between the power chip surface and the substrate is completed. Compared with a traditional interconnection scheme, the present application has design flexibility, process compatibility and long-term reliability, and provides an interconnection solution with stable structure, controllable process and suitability for mass production for a new generation of high-power module packaging.

The utility model discloses intelligent medical solid waste on-site disposal equipment, including disposal equipment main part, circulating water system, cooling equipment, gas filter equipment, radiator and control system, and disposal equipment main part is connected with cooling equipment, gas filter equipment gradually, and the disposal equipment main part has the disposal bin in, and the static device, rotary smashing mechanism and high temperature pyrolysis gasification mechanism are set up in the disposal bin, and rotary smashing mechanism sets up in static device, and high temperature pyrolysis gasification mechanism includes annular hot steam pipe and multiple guide spray pipes set up on annular hot steam pipe, and the high temperature steam of disposal equipment main part goes into cooling equipment and is handled with temperature reduction, and the gas of disposal equipment main part is filtered and handled through gas filter equipment, and disposal equipment main part handles medical waste into granulated, flocculated waste through the static device and rotary smashing mechanism of disposal cabin inboard side. The equipment saves energy and is green environmental protection, saves manual work, and reduces the infectivity of medical waste.

The utility model discloses a pyrolysis gasification device which comprises a pyrolysis gasification furnace, and the pyrolysis gasification furnace comprises a furnace body, a first gas inlet, a feed port, a first gas outlet and a slag outlet; the first air inlet is formed in the bottom of the furnace body; the feeding hole is formed in the upper end of the furnace body; the first air outlet is formed in the upper end of the furnace body; the slag outlet is formed in the bottom of the furnace body; the gas supply device is connected with a gas inlet of the pyrolysis gasification furnace; the catalytic modification device is connected with a gas outlet of the pyrolysis gasification furnace; and the gas purification device is connected with the catalytic modification device. The device disclosed by the utility model has the effects that usable gas can be obtained through the pyrolytic reaction of the pyrolytic gasification furnace, the catalytic modification of the catalytic modification device and the purification of the gas purification device, so that the resource recycling rate and the economic benefit are improved.

The utility model belongs to the technical field of waste lithium battery pyrolyzing furnaces, and particularly discloses a high-temperature pyrolysis gas discharging mechanism which comprises a connecting pipe, a material lifting conical hopper and a gas collecting hood, the connecting pipe is sleeved with an annular gas collecting hood, an annular groove is formed in the inner wall of the gas collecting hood, and a gas collecting cavity is defined by the groove and the outer wall of the connecting pipe; an exhaust pipe is arranged on the gas collecting hood and is communicated with the gas collecting cavity; a plurality of air holes are formed in the pipe wall of the connecting pipe and are connected into through holes; the material lifting conical hopper is arranged in the connecting pipe, and a connecting flange is welded to the large end of the material lifting conical hopper and fixedly installed at one end of the connecting pipe; in the axis direction of the connecting pipe, the air holes are all located between the two ends of the material lifting conical hopper. The device is simple in structure, and is arranged between a high-temperature furnace and a cooling furnace when being used, so that gas stays in the high-temperature furnace for a long time and is fully pyrolyzed, the temperature of the gas is increased, tar is prevented from being generated, and the consumption of natural gas of a waste gas treatment system is reduced.

The utility model discloses a drying and pyrolyzing incinerator which comprises a drying chamber, a pyrolyzing chamber, an incinerator body and an incinerator body. The pyrolysis chamber is communicated with the drying discharge port, and a second conveying device is arranged in the pyrolysis chamber; the combustion chamber is communicated with the output end of the pyrolysis chamber; the air distribution mechanism communicates with the combustion chamber and is used for conveying the combustion-supporting gas into the combustion chamber; and the multi-stage heat exchange structure comprises a first-stage heat exchange flue and a second-stage heat exchange flue, the first-stage heat exchange flue is installed in the pyrolysis chamber and communicates with the top of the combustion chamber, and the second-stage heat exchange flue is installed in the drying chamber and communicates with the first-stage heat exchange flue. According to the utility model, the multi-stage utilization of the waste heat of the high-temperature flue gas is realized, and the pyrolysis efficiency is improved and the quality of pyrolysis products is improved by drying and then pyrolyzing, so that the pyrolysis products are combusted more fully in the combustion chamber and have fewer residues, the requirement on subsequent treatment of the residues is reduced, the emission of harmful gas is reduced, and the environment is more friendly.

The application relates to a hydrogen production device for pyrolysis of citric acid industrial sludge, and belongs to the field of chemical equipment. The device comprises a machine box, an upper feeding cavity, a pyrolysis cavity and a separation cavity are sequentially arranged in the machine box, a charging assembly for loading industrial sludge and a heat carrier is arranged in the machine box, conveying belts for driving the charging assembly to translate along the upper feeding cavity, the pyrolysis cavity and the separation cavity are arranged on the inner walls of the two sides of the machine box; the charging assembly comprises a folding and self-rotatable charging cylinder body, electric telescopic rods for driving the charging cylinder body to unfold or fold are arranged at the two ends of the charging cylinder body, and an electric heating plate is arranged in the pyrolysis cavity; a purification cavity is arranged above the pyrolysis cavity. The upper feeding cavity, the pyrolysis cavity and the separation cavity are arranged, heat transfer of the industrial sludge is carried out by using the heat carrier, the pyrolysis effect can be improved, the rotating of the charging cylinder body during movement can improve the mixing uniformity of the mixed material, the charging cylinder body can be unfolded or folded by the electric telescopic rods during pyrolysis, and local overheating of the mixed material to cause coking can be prevented.

The present invention discloses a container-type biomass auxiliary pyrolysis device, comprising a container shell (1); a garbage pyrolysis furnace (2), a secondary combustion chamber (3) and an exhaust gas treatment device are arranged in sequence from front to back in the container shell (1); the garbage pyrolysis furnace (2) is provided with a plurality of telescopic grates (201) located at the upper end that can make garbage fall back and forth, and a biomass pyrolysis furnace (4) located at the lower end; the garbage pyrolysis furnace (2) is provided with a garbage inlet (202) at the upper end, and a biomass inlet (203) at the side; the secondary combustion chamber (3) is provided with a plurality of partitions (301) that divide the secondary combustion chamber (3) into continuous curved channels; and the side of the garbage pyrolysis furnace (2) is provided with a through hole connected to the secondary combustion chamber (3). The present invention is a garbage pyrolysis device with a compact structure and easy transportation, which can not only effectively decompose and treat low calorific value garbage, but also has low energy consumption, is more energy-saving and environmentally friendly, and can make full use of the garbage composition in towns, rural areas and other regions.

The invention discloses a compressed biomass high-temperature gasification carbon reduction system which comprises a gasification furnace, the gasification furnace is connected with a feeding unit and a purification and storage unit, and a gasification reaction unit and a treatment unit are arranged in the gasification furnace; the purification and storage unit comprises a cyclone separation module and a membrane separation module, the cyclone separation module is connected to the gasification furnace, and the membrane separation module is connected to the end, away from the gasification furnace, of the cyclone separation module; the membrane separation module is composed of a ceramic membrane and a metal organic framework membrane, and the end, away from the cyclone separation module, of the membrane separation module is connected with a purified gas storage tank. The purification and storage unit is arranged to deeply purify synthesis gas obtained through biomass gasification reaction, impurities contained in the synthesis gas and trace gas components possibly generating the greenhouse effect are removed, it is ensured that finally-produced energy is cleaner and more environmentally friendly in the using process, and carbon emission is reduced from the perspective of the whole life cycle.

The invention relates to the technical field of petroleum coke, and discloses high-tap-density calcined petroleum coke and a preparation process thereof, the preparation process comprises raw material preparation, raw material inspection, raw material pretreatment, batching and calcination; by optimizing the raw material ratio and the preparation process, the tap density of the calcined petroleum coke can be remarkably improved. The tap density is an important index for measuring the material stacking compaction degree, and is of great significance for improving the use performance of the product and reducing the transportation cost. The reasonable raw material ratio and the scientific preparation process can ensure sufficient physical and chemical changes, such as discharge of moisture and volatile components, reduction of sulfur content, volume shrinkage and structural stability, of the petroleum coke in the calcining process, so that the tap density, the conductivity, the mechanical strength, the true density and the oxidation resistance of the petroleum coke are improved. The improvement of the performance is beneficial for improving the quality and stability of a final product.