119 results about "Briquette" patented technology

The invention discloses an inorganic normal-temperature rapid-hardening coal-rock mass reinforcing and filling material, and relates to the technical field of mine reinforcement. The material comprises a liquid A and a liquid B, the liquid A is prepared from cement, fly ash, magnetic nano silicon dioxide, citric acid and a layered bimetal oxide-sodium hexametaphosphate compound; and the liquid B comprises water glass, superfine limestone and water. During use, the liquid A and the liquid B are mixed according to the volume ratio of 1: 1 and injected into a target area, and a 1.5 Tesla magnetic field is applied at the initial stage of grouting until the grout is initially set. Through the synergistic effect of the compound protection dispersing agent, the magnetic particles and an external magnetic field, the technical problems that an existing material is unstable in performance due to temperature change, nanoparticles are prone to agglomeration, and magnetic response is attenuated in an alkaline environment are effectively solved; the technical effects of rapid solidification, high strength and excellent durability in high-temperature, low-temperature and complex mine environments are achieved.

The application provides a waste material block packaging device, and relates to the technical field of block wire penetrating, which comprises a feeding frame and a pressing bin connected with the feeding frame. A pressing assembly for extruding waste material is arranged in the feeding frame. A wire penetrating assembly for penetrating iron wire through the block is arranged on one side of the pressing bin. A shearing assembly for shearing the iron wire and a wire winding assembly symmetrically arranged on both sides of the shearing assembly are arranged on the other side of the pressing bin. A positioning assembly for driving the wire penetrating assembly, the shearing assembly and the wire winding assembly to automatically position corresponding positions of the pressing assembly to realize the bundling of blocks of different sizes is further arranged on the pressing bin. The application can penetrate and bundle the blocks of different sizes extruded, thereby improving the efficiency of extruding and packaging the waste material.

The invention provides a scrap steel quality inspection APP pressing block two-end dismounting prompting method, and relates to the technical field of scrap steel quality inspection in the iron and steel industry, and the method comprises the following steps: S1, material type selection: an acceptor selects a to-be-inspected scrap steel pressing block type in a scrap steel quality inspection APP system according to an actual condition; s2, inputting to-be-detected information: inputting specific information of a to-be-detected briquetting vehicle; and S3, two-end unpacking prompting: according to the input layer number, row number and column number of the to-be-detected briquette vehicle, dynamically generating an unpacking instruction by the APP, and prompting an acceptor to carry out unpacking detection. According to the scrap steel quality inspection APP pressing block two-end-disassembly prompting method, an unpredictable and tamper-resistant random unpacking mark generation system is constructed, dynamic generation of an unpacking instruction is achieved, the sampling rule is transparent, man-made interference is resisted, and the unpacking efficiency is improved. Therefore, the problems that the inspection efficiency is reduced due to full-amount disassembly of the two ends and the internal quality of the pressing block is possibly covered due to lack of randomness are solved, and the accuracy and the high efficiency of scrap steel inspection are effectively improved.

This utility model relates to the field of honeycomb briquette stove technology, and in particular discloses a honeycomb briquette stove with convenient slag removal, including a furnace frame and a furnace core mounted on the furnace frame for holding coal; it also includes a slag removal mechanism mounted on the furnace frame and used in conjunction with the furnace core. The slag removal mechanism includes a loading component, a slag pushing component movably mounted relative to the loading component, and a transmission mechanism that works in conjunction with the slag pushing component. The loading component is used to carry the coal located at the bottom of the furnace core. A first clearance space is provided between the loading component and the furnace core for the movement of the slag pushing component and the coal at the bottom of the furnace core. The user drives the slag pushing component to move back and forth through the transmission mechanism, so that the slag produced by the combustion of the coal at the bottom of the furnace core is pushed out. This utility model achieves rapid slag removal by setting a foot-operated transmission mechanism and using a mechanical slag pushing mechanism, avoiding the risks of manual operation and improving combustion efficiency; the setting of the limiting and dividing component further divides the slag during the removal process, preventing blockage and accumulation.

The present application provides a briquette pre-dust removal system and a briquette pre-dust removal method, which are used for modifying the briquette before the oxidation and carbonization processes, removing the coal dust on the surface of the briquette, and recycling the coal dust. The briquette pre-dust removal system comprises a gravity-free stirring device, a first separator and a second separator. The first separator has a first separation cavity, a first separation inlet, a first separation outlet and a first coal dust outlet, which are in communication with the first separation cavity. The second separator has a second separation cavity, a second separation inlet and a second separation outlet, which are in communication with the second separation cavity. The present application solves the problem that the existing briquette crushing material has a high dust removal rate during the carbonization process, and the fallen coal dust cannot be recycled.

The utility model discloses a kind of briquettes suitable for anti-accumulation of dust assembly, including briquette body, laminated part and frame, the briquette body includes two kinds of middle pressure and side pressure, the middle part of briquette body is equipped with mounting groove, the side of briquette body integrally formed with briquette assembly, the bottom of briquette assembly is hingedly arranged with pressing plate, pressing plate upper end integrally formed with carding member profile, the position of briquette assembly bottom carding member profile is equipped with clamping groove, the bottom of pressing plate integrally formed with three element ethylene propylene rubber.The utility model relates to a kind of briquettes suitable for anti-accumulation of dust assembly, solves the problem of hot anti-accumulation of dust assembly installation on market, and the installation step of conventional assembly is identical, need not add installation step, applicable to single glass or double glass assembly, non anti-accumulation of dust assembly can also be universal, power station end is free from switching, alleviate inventory pressure, EPDM exceeds briquette effectively avoid cutting surface when assembly is stressed to glass, more safe.

This invention relates to the field of solid waste utilization in stainless steel smelting, and a method for the efficient utilization of 0-3mm stainless steel slag, comprising the following steps: Step 1: Briquetting small-particle stainless steel slag; Step 2: Baking the slag steel briquettes; Step 3: Using the slag steel briquettes; Step 4: molten steel from AOD smelting undergoes LF refining before being continuously cast in the continuous casting process. The beneficial effects of this invention are: 1. By baking the small-particle slag steel briquettes and using them in the AOD furnace, the loss of chromium and nickel elements caused by high-temperature burning and oxidation in the electric furnace is reduced. 2. Baking after briquetting using high-temperature steam inside the factory improves baking efficiency and reduces baking costs. 3. Adding small-particle slag steel briquettes to the AOD furnace can replace expensive nickel-iron alloys for fine-tuning the composition, reducing smelting costs, realizing the recycling of waste resources, and reducing environmental pollution.

The utility model provides a crushing device for coal processing, which relates to the technical field of coal processing and comprises a crushing device feed hopper and a crushing cabin assembly, a feed hopper distributing inclined plate is fixedly mounted in the crushing device feed hopper, and the crushing cabin assembly is fixedly mounted below the crushing device feed hopper. A driving motor is fixedly installed on the surface of the rear side of the crushing cabin assembly, a discharging hopper is integrally arranged on the side face of the crushing cabin assembly, and a discharging conveying hose is fixedly connected to the outer end of the discharging hopper. According to the scheme, sampled briquettes are fed into the feeding hopper of the crushing device in a manner of feeding through the conveying belt, and are separated through the feeding hopper separation inclined plate in the feeding hopper of the crushing device, so that the fed briquettes enter separately, and the briquettes cannot be stuck at a feeding opening and are crushed through the crushing cabin assembly firstly; and then the briquette coal is ground into fine powder, so that the internal texture of the briquette coal can be conveniently inspected.

The invention relates to the technical field of blast furnace ironmaking, and particularly discloses a method for cleaning a dead coke pile in a large blast furnace, a cleaning agent is added into the blast furnace, the cleaning agent adopts hot-melt briquettes or crushed iron particles, and the adding batch weight of the cleaning agent is controlled; controlling the material distribution angle and the material distribution turn number of the cleaning agent; an independent cleaning agent material is added after five batches of normal material distribution, and circulation is carried out; controlling the temperature of the molten iron and the mass percentage of Si element in the molten iron during cleaning of the dead coke pile; the dead coke stockpile cleaning is continuously carried out; according to the method, high-grade hot-melt briquettes or small-particle-size crushed iron particles are adopted as a cleaning agent to clean coke powder shells on the outer layer of the dead coke pile, so that the air permeability and liquid permeability of the dead coke pile are improved; on the basis that an existing material distribution mode is not changed, a group of special cleaning agents entering the blast furnace from special positions are periodically added and used for cleaning coke powder on the outer edge of a central dead coke pile; the furnace charge structure during normal production is not changed, and the furnace condition fluctuation of the blast furnace is avoided to the greatest extent.

The application discloses a large-koji briquetting device and belongs to the technical field of fermentation and brewing equipment. The device comprises a large-koji briquetting model for loading koji material of large koji, a model positioning table for positioning the large-koji briquetting model, a longitudinal assembly plate vertically arranged on the model positioning table, a vertical material bucket arranged above the large-koji briquetting model, a discharge port at the lower end of the vertical material bucket, a fine port at the upper end of the vertical material bucket, a sliding push rod arranged in the fine port, the sliding push rod sliding in the fine port, a briquetting push plate connected to the lower end of the sliding push rod and sliding in the vertical material bucket, a feeding channel arranged on one side of the upper end of the vertical material bucket for feeding the koji material of large koji into the vertical material bucket, an extrusion driving mechanism arranged at the upper end of the longitudinal assembly plate for driving the sliding push rod to move downward, the briquetting push plate extending into the large-koji briquetting model to extrude the koji material of large koji and form a large-koji briquette, and a lifting guide mechanism arranged on the longitudinal assembly plate for guiding the longitudinal moving direction of the vertical material bucket.

The utility model discloses a pneumatic clamping device for carbon block sampling, which comprises a movable frame with an opening on one side, universal wheels which are uniformly distributed are arranged at the bottom of the movable frame, a horizontal cylinder is arranged on one side of the movable frame adjacent to the opening side of the movable frame, a push plate positioned in the movable frame is arranged at the telescopic end of the horizontal cylinder, and the push plate is connected with the movable frame. A rail assembly is arranged at the top of the movable frame, a sliding block is movably mounted on the rail assembly, a vertical air cylinder is arranged on the sliding block, and a mounting plate used for mounting a sampler is arranged at the telescopic end of the vertical air cylinder. According to the pneumatic clamping device for carbon block sampling, a carbon block can be clamped and fixed, a sampler can be installed and fixed, sampling operation can be carried out without transferring the carbon block, relative displacement or deflection between the carbon block and the sampler in the sampling process can be avoided, the influence on a sampling carbon rod can be reduced, and the sampling efficiency is improved. The device is beneficial to improving the accuracy of subsequent quality detection, and is simple in structure and convenient to operate.

The utility model provides a briquette coal blanking device and a blanking system, and relates to the field of briquette coal production. The briquette coal discharging device comprises a mounting frame, a conveying belt and a conveying belt, the air cylinder is arranged on the mounting frame; the material blocking assembly is at least provided with a material blocking head; the side, away from the material blocking head, of the material blocking assembly is rotationally arranged on the mounting frame. The material blocking assembly is provided with a first connecting piece, and the first connecting piece is rotationally connected with a telescopic rod of the air cylinder. The fixed end of the air cylinder is rotationally connected with the mounting frame, so that the telescopic rod can drive the material blocking head to be close to or away from the belt surface of the belt conveying rail when stretching out and drawing back; according to the utility model, briquette coal gangue on one conveying belt is automatically and quickly discharged into a plurality of different finished product bins respectively, the occupied space is small, and the working efficiency and the finished product rate can be improved.

The invention relates to a process for producing briquettes (1), a briquette (1) from a waste material (2), and the use of a briquette (1) in the process according to the invention. The process involves providing a waste material (2) comprising at least one metal (3) and at least one organic material (4). The waste material (2) is mechanically treated in one or more stages, and at least a first fraction (5) is separated from the waste material (2). A briquette mixture (6) containing the at least a first fraction (5) is prepared, wherein the at least a first fraction (5) has a calorific value of 0 MJ / kg to 30 MJ / kg. The calorific value of the briquette mixture (6) is adjusted by varying the at least the first fraction (5). The briquette mixture (6) is fed into a briquetting machine (7) and compressed there to form briquettes (1).This produces briquettes (1) with a calorific value of 5 MJ / kg to 30 MJ / kg and with a maximum copper percentage of 0.1% by weight to 20% by weight.

The invention relates to the field of heavy metal sludge treatment devices, and discloses a heavy metal treatment device and method for reservoir sediment, the heavy metal treatment device comprises a mounting rack, the inner wall of the mounting rack is fixedly connected with a storage barrel, one end of the storage barrel is fixedly provided with a heat dissipation box, and the inner wall of the heat dissipation box is provided with a feeding assembly; the feeding assembly comprises a motor, one end of the motor is fixedly installed on the inner wall of the heat dissipation box, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with an auger roller, the outer wall of the rotating shaft is fixedly connected with a synchronous wheel, and the outer wall of the synchronous wheel is provided with a synchronous belt. And a connecting shaft is fixedly connected to the interior of one synchronous wheel. The rotating shaft is driven by the motor to rotate, synchronous linkage of auger conveying and stirring operation is achieved, sludge is fully pre-stirred before entering the storage barrel, hardened bottom mud blocks are effectively scattered, and the reaction efficiency of subsequent chemical treatment is improved.

The present invention relates to a plant growing medium comprising a. shredded and dried green waste, b. shredded and dried animal manure, and c. cellulose. The invention further relates to a method for producing this plant growing medium. Finally, the invention also relates to the use of this plant growing medium, among other things, as a water-retaining and fertilizing peat substitute in agriculture, horticulture, or forestry, its use as a loose building material for insulation construction, and its use as insulation material. The invention further relates to a plant growing medium pressed into briquettes or pellets and the use of these briquettes or pellets as fuel.

Comprising at least two adjacent chambers for the upright storage of solid fuels, lateral wall or guide elements for the lateral delimitation of the chambers, and at least two elongated support elements, characterized in that the support elements are arranged below the fuels and support them point- or line-shaped above the combustion chamber floor, so that ash can fall downwards, and that the distance between the lateral wall or guide elements is variable to adapt to different fuel dimensions.

The invention relates to the technical field of red mud iron separation, and discloses a method for recycling sodium aluminate and sponge iron through cooperation of deep reduction of red mud iron separation tailings, and the method specifically comprises the following steps that 1, material preparation and briquetting are conducted, specifically, the red mud iron separation tailings, a carbonaceous reducing agent and a calcium additive are mixed and formed, and raw material briquettes are obtained; refractory iron oxide is thoroughly converted into metal iron through deep reduction, then high-grade sponge iron is obtained through magnetic separation, the sponge iron can be directly used as a high-quality raw material for electric furnace steelmaking, high-added-value recovery of iron elements is achieved, and through regulation and control of a calcium additive, the production cost is reduced. In the reduction process, stable sodium aluminosilicate is converted into sodium aluminate which is easily leached by alkali liquor, efficient and synchronous leaching of aluminum and sodium is achieved, the obtained sodium aluminate solution is high in purity and wide in utilization approach, the deep reduction process creates conditions for iron recovery, meanwhile, phase reconstruction is conducted for aluminum extraction, the two processes promote each other, and the recovery rate of aluminum is increased. And an efficient collaborative recovery system is formed.

A kind of compression block with phase change heat conduction structure and electronic component testing equipment with the compression block, electronic component testing equipment further includes down pressure generating device, temperature control module, test seat and controller, compression block includes block, liquid transport structure and phase change fluid, block includes vacuum chamber and multiple support columns, support column is arranged in vacuum chamber, and the two ends of each support column are respectively supported in the opposite inner surface in vacuum chamber, liquid transport structure is arranged on the inner surface of vacuum chamber and multiple support columns, temperature control module is arranged between down pressure generating device and compression block, in response to block heating, phase change fluid occurs first phase change at high temperature side and second phase change at low temperature side, controller controls down pressure generating device and drives compression block to contact and apply down pressure to electronic component in test seat.

The invention provides a preparation method of a schreyerite cold-pressed block. The preparation method comprises the following steps: A) mixing bentonite and water glass to obtain a binder; b) mixing the schreyerite powder with a binder to obtain a mixture; feeding the mixture into a briquetting machine for briquetting, screening and curing to obtain a finished product. According to the preparation method of the high-strength schreyerite cold-pressed block suitable for the high-titanium schreyerite smelting condition, the cold-pressed consolidation of the mineral powder and the binder is combined with the adjustment of the adding proportion of the schreyerite powder and the binder, the pressing temperature and other parameters, and the high-strength schreyerite cold-pressed block is obtained. The method can be used for producing the schreyerite cold-pressing block which can meet the performance required by smelting of large, medium and small high-titanium schreyerite blast furnaces and shaft furnaces and can replace sintering agglomeration and pelletizing agglomeration, so that the energy consumption and pollution in the schreyerite agglomeration process are reduced, and the agglomeration rate and the agglomeration performance are improved.

The utility model discloses a baked bun forming mold, particularly relates to the field of baked bun molds, and has the technical key points that the baked bun forming mold comprises two mounting blocks, the two mounting blocks are symmetrically arranged, two transmission rollers are rotatably mounted between the two mounting blocks, and a transmission belt is mounted between the two transmission rollers; a cleaning device is jointly arranged on one sides of the two mounting blocks, and the output end of the cleaning device makes contact with the transmission belt. When the pneumatic cutter head is used and operated easily, when the pneumatic cutter head cuts a flour body, the cutting face of the pneumatic cutter head can make contact with the two scraping devices, then the scraping devices can clean and scrape flour and residues left on the pneumatic cutter head, the cutting effect of the cutter head is prevented from being affected, the protective cover can protect the surface of the transmission belt, and the service life of the transmission belt is prolonged. The driving device can drive the cleaning device to clean residues of the flour and the flour bodies on the transmission belt, and the flour residues can be prevented from being mixed with other flour bodies along with the transmission belt.

The utility model relates to the technical field of briquetting devices, in particular to a waste metal briquetting manufacturing device which comprises a base, a fastener, a protection plate and a turning plate, a stock bin is installed on one side of the outer wall of the upper end of the base, a first briquetting mechanism is arranged on the outer wall of one side of the stock bin, and a second briquetting mechanism is arranged on the outer wall of the upper end of the stock bin. A material blocking plate is arranged on one side of the inner wall of the material bin, fasteners are arranged on the outer walls of the two sides, away from the second pressing block mechanism, of the material bin, a protective shell is welded to the outer walls of the upper ends of the fasteners, a storage cavity is formed in the protective shell, a connecting rod is movably installed in the storage cavity, and a limiting plate is welded to the outer wall of one end of the connecting rod; and a connecting piece is arranged on one side of the outer wall of the connecting rod, and a protection plate is welded to the outer wall of one end of the connecting piece, so that the upper end face of the stock bin is shielded, metal pieces in the stock bin are prevented from flying out, the safety of the device in the machining process is improved, and the working safety of workers nearby the device is improved.

The application discloses a leaf filter briquette dismounting tool, which solves the technical problem of time-consuming and laborious manual replacement in the prior art. The tool comprises a supporting structure, an ascending structure and a control structure. The supporting structure comprises a supporting frame and two supporting clamps, and the two supporting clamps are respectively installed at two ends of the supporting frame. The ascending structure comprises an ascending frame and at least two clamps, and the straight line where each clamp is located is parallel to the straight line where the two supporting clamps are located. The control structure comprises a first connecting piece, a second connecting piece and a control rod. The first connecting piece is installed on the supporting frame, the second connecting piece is installed on the ascending frame, and the first connecting piece and the second connecting piece are both connected with the control rod, and the control rod is used for driving the second connecting piece to move up and down relative to the first connecting piece. The leaf filter briquette dismounting tool disclosed by the application reduces the time of traditional manual operation, thereby improving the overall cloth replacement efficiency, and the automation and convenience make the operation simpler, reduce the demand for manpower and lower the labor cost.

Method for operating a roller press (1) for compacting or briquetting material, wherein the roller press (1) has two counter-rotating press rollers (2) between which a roller gap (W) is formed and at least one of the roller surfaces is provided with a profile, wherein the material (M) in the roller gap (W) between the roller surfaces is pressed into a briquette (3) or into briquettes or a briquette strand, wherein the rollers (2) are preferably cooled during operation, characterized in that that during operation at least one characteristic parameter is continuously determined which depends on the formation of deposits (7) of the material (M) on the profiled roller surface or on the profiled roller surfaces and that one or more operating parameters of the press are changed depending on at least one determined characteristic value in order to reduce caking (7), that the operating parameter(s) are changed by means of a control system in such a way that a deviation of a determined actual value (I) of the characteristic parameter(s) from a target value (S) of the characteristic parameter(s) is minimized, where the press (1) is operated with a variable pressure (P) as an operating parameter and the pressure (P) is changed by a control system depending on the determined characteristic value. and / or the press (1) with variable cooling and / or variable temperature (T) and / or variable feed temperature (T) A ) is operated as an operating parameter and the cooling and / or the temperature (T) and / or the input temperature (T) A) is changed by a control system depending on the determined parameter and / or the press (1) is operated with a variable feed of the input material, namely with a variable quantity flow or mass flow of the supplied input material as an operating parameter, and the supplied quantity of material or the quantity flow or mass flow (m) of the supplied input material is changed by a control system depending on the determined characteristic value and / or the press (1) is operated with a variable rotational speed as an operating parameter and the rotational speed is changed by a control system depending on the determined characteristic value, and whereby A vibration value is determined as a characteristic value by a measurement using a vibration sensor (8). or A fluctuation value is used as a characteristic value, which is determined from fluctuations of a machine parameter, wherein the fluctuation value is determined from fluctuations in the gap width of the roller gap or from fluctuations in the contact pressure of one or both press rollers or from fluctuations in the motor current or motor torque of one or both drives of the press rollers.

The present application belongs to the technical field of straw recycling, and is especially a straw briquetting forming device facilitating discharging, comprising a workbench, a loading mechanism being rotatably connected to the workbench, the loading mechanism comprising: a rotating shaft being rotatably connected to the workbench through a bearing; a rotating disc being coaxially fixedly connected to the upper portion of the rotating shaft, and the rotating disc being provided with three circular cavities distributed in an array along the circumferential direction, and each of the three circular cavities being fixedly connected with a forming cylinder, and the lower end of the forming cylinder being in contact with the upper surface of the workbench. The present application is provided with a workbench, a rotating driving part, a loading mechanism, a push plate and a discharging cavity, and through the matching structure, automatic discharging after straw briquetting is realized, and the briquetting forming and discharging of straw can be continuously and uninterruptedly realized, which is high in efficiency and solves the technical problems of the prior art, such as inconvenient discharging, and inability to continuously and uninterruptedly process.

A roller press comprising including a roller face defining a plurality of individual reliefs shaped and sized to compress feed material into a plurality of discrete briquettes, each of the individual reliefs defining a quadrilateral shaped depression having rounded corners to reduce stress concentrations in the resulting briquettes, wherein a pair of leading edge rounded corners are defined by a first radius and a pair of trailing edge rounded corners are defined by a second radius, the first radius being smaller than the second radius.

This utility model discloses a feeding device for an EB furnace, including a base plate, a slide rail above the base plate, and a feeding plate above the slide rail. A groove is formed along the length of the middle of the feeding plate, and a first through groove is formed in the middle of the groove. A material box is provided at the end of the feeding plate away from the EB furnace. The distance between the bottom surface of the material box and the bottom surface of the groove is greater than the thickness of a single briquette raw material but less than the thickness of two briquette raw materials. A slide bar is slidably installed inside the slide rail, and a wedge-shaped strip is fixed at the bottom of the slide bar. The wedge-shaped strip is connected in sequence to a long connecting rod, a short connecting rod, and a motor via a connecting block. At least two equidistantly distributed pushing components are provided on the slide bar. Each pushing component includes a concave plate, a rotating plate, a rotating shaft, and a torsion spring. This utility model achieves precise control of the single feeding amount and interval time through intermittent feeding, resulting in more uniform melting of the raw material.

The application discloses a high-fuel-property tea carbon briquette with tea aroma and a preparation method thereof, and belongs to the technical field of fuel preparation. In the preparation, old leaves and branches on tea tree branches are separated, and are treated by two times of fixation; during the fixation, tea aroma solution is collected by condensing tail gas; the old leaves and branches after the second fixation are treated by gasification to obtain tea carbon and tea tar; the tea tar is separated by vacuum distillation to obtain light phenol solution and heavy substance solution; the heavy substance solution is dried to obtain heavy substance solid, which is mixed with the tea carbon to obtain carbon powder; a glue is obtained by adding the light phenol solution, polyvinyl methyl ethylene glycol, starch, polycondensation and gelatinization reaction with a sodium hydroxide solution as a solvent; and the carbon powder, the glue, the tea aroma solution and water are mixed and formed to obtain the briquette. The preparation method realizes high-value utilization of waste pruned tea tree branches, and the obtained briquette has the characteristics of tea aroma, high calorific value, low ignition point and long combustion time.

The invention relates to the technical field of pelletizers, in particular to an insect sand pelletizer for biomass fuel production, which comprises a rack, a driving motor fixed on one side of the top end of the rack and a blanking bin fixed on the other side of the top end of the rack, when the worm sand granulator is used, worm sand on the inner edge and the outer edge of the die hole plate can be accurately scraped and cleaned in the middle, the problem that materials on the edges are accumulated and detained in the biomass compact forming fuel processing process is effectively solved, meanwhile, the rubber scraper blade is scraped and cleaned in the middle at a time and can be recovered during resetting, and the production efficiency is improved. The rubber scraping plate can be integrally matched with the flatness of the surface of the die hole plate, it is ensured that the rubber scraping plate is attached to the surface of the die hole plate in the scraping and cleaning process, the rubber scraping plate is rapidly retracted in the resetting process and does not make contact with the insect sand in the uncleaned area, the thoroughness of edge insect sand cleaning is ensured, and the cleaning efficiency is improved. And the interference of the cleaning action on the materials in the unprocessed area is avoided.

The invention relates to the technical field of oil field sludge treatment, in particular to oil-containing sludge particles and an oil-containing sludge resource reutilization method. The preparation method comprises the following steps: mixing raw materials and granulating to obtain oily sludge particles, wherein the raw materials comprise the following components in percentage by mass: 36-40% of oily sludge, 45-50% of briquette coal, 3-7% of a curing agent and 3-7% of a composite additive; the curing agent is ordinary Portland cement or slag Portland cement; the composite additive comprises a sulfur-fixing agent, a combustion improver and a binder. According to the invention, through accurate proportioning and granulation, the problems of difficult conveying, non-uniform combustion and coking caused by high viscosity and high water content of the oily sludge are thoroughly solved, so that the combustion efficiency is effectively improved; the generation and migration risks of pollutants such as acid gas and heavy metal are controlled in advance, and when blending combustion is carried out in the fluidized bed boiler, flue gas emission is superior to the national standard; the resource reutilization of the oily sludge is effectively realized.

The present disclosure relates, according to some embodiments to a method for steel production, the method comprising forming a hydrogen and a carbon from a natural gas using thermal plasma electrolysis; reducing iron ore fines with the H2 to form an iron briquette; melting the briquette iron from the furnace to form a melted iron and melted non-metallic slag; separating the non-metallic slag from the melted iron in the furnace; combining the carbon and the melted iron in a furnace to form a carbon black and iron mixture; and alloying the melted iron with the carbon black to form a steel.