21 results about "Biomass briquettes" patented technology

The utility model discloses a biomass forming system and a solid waste gasification melting treatment system. The forming system comprises a stock bin, a briquetting device, a circular mold mechanism and a frame body, the circular mold mechanism comprises a plurality of forming modules and triangular fixing blocks distributed between the adjacent forming modules at intervals. A driving motor is arranged in the frame body; the forming module is a variable cross-section through hole and is formed by splicing symmetrically arranged half-wedge-shaped grooves; the large-section end of the forming module is a feeding hole, and the small-section end of the forming module is a discharging hole. The sectional area of the discharging hole is smaller than that of the feeding hole. The treatment system comprises the biomass forming system, a drying system, a sealed feeding system, a gasification melting system and a combustion system. According to the utility model, the high-strength biomass briquette is obtained and is used for a solid waste gasification and melting treatment system to meet the requirements of a gasification and melting furnace.

The invention provides a process and equipment for preparing biomass briquette from municipal solid waste. The invention relates to a process for preparing biomass briquette coal from municipal solid waste. The process comprises the following steps: S1, pretreating waste impurities; s2, drying and modifying; s3, crushing and mixing; s4, molding and pressing; s5, curing and curing; and S6, finished product detection and packaging. According to the technology for preparing the biomass briquette from the municipal solid waste, non-combustible impurities in the waste are precisely removed through pretreatment, the bonding performance and combustion performance of materials are improved through modification treatment, the forming and curing technology is precisely regulated and controlled, and the biomass briquette is prepared. The prepared biomass briquette is high in strength, stable in calorific value, high in combustion efficiency and low in pollutant emission, biomass components in household garbage are converted into clean renewable energy sources, environmental pollution caused by garbage landfill and incineration is effectively reduced, the resource utilization rate of waste is increased, the pressure of fossil fuel shortage is relieved, and environmental protection is achieved. And the method has remarkable environmental benefits and social benefits.

The present application relates to biomass briquetting pellet forming equipment technical field, specifically relates to a kind of motor built-in briquetting machine;It contains machine body support seat, drive assembly is arranged in machine body support seat, and drive structure top is connected with briquetting assembly, the outside of briquetting assembly is equipped with rotary discharge structure, the drive structure contains the channel vertically opened in machine body support seat, main shaft is arranged in channel, and the upper and lower ends of main shaft are respectively installed in machine body support seat by bearing, multiple stators are installed on the inner wall of channel, rotor is installed on main shaft, rotor and stator are identical in height and oppositely arranged, and main shaft is drivingly connected to the briquetting assembly;The stator and rotor part of the present application are reasonably designed to form motor structure inside equipment, so as to reduce the volume of equipment, the machine body support seat of the present application is hollow design, equipment is integrally operated after installation, without speed reducer and excessive transmission structure, power loss is greatly reduced, equipment efficiency is improved and failure occurrence is reduced.

A traditional Chinese medicine biomass drying hot air boiler belongs to the technical field of heat supply equipment and comprises a material box, a transmission device, a main combustion chamber and an air outlet, the material box is connected with the main combustion chamber through the transmission device, the upper portion of the main combustion chamber is connected with the air outlet through a heat exchange smoke pipe, and an axial flow fan and an induced draft fan are arranged on the heat exchange smoke pipe. And the axial flow fan is arranged at the reserved position of the axial flow fan. According to the utility model, remote intelligent control can be realized, the operation condition of the system can be displayed in real time, the condition of the traditional Chinese medicinal materials in the drying process can be accurately mastered and controlled, feeding, ignition, deslagging, temperature control, dehumidification and the like are all automatically operated, long-time continuous combustion can be realized, and meanwhile, the drying equipment adopts renewable energy sources and biomass forming granular fuel, so that zero carbon emission is achieved, and the environment is protected. The equipment meets the requirements of agricultural modernization, has remarkable effects in the aspects of improving the energy utilization efficiency, protecting the environment, promoting agricultural production modernization and the like, and has a wider application prospect along with continuous innovation and progress of the technology.

The invention relates to the technical field of biomass energy processing, and discloses a biomass briquetting production automatic control system and method.The biomass briquetting production automatic control system comprises a screening module, a smashing module, a drying module and a pressing module; the screening module intermittently delivers biomass with specified weight into the crushing module; the drying module comprises a hot air unit, a weighing unit, a sampling total water content calculation unit and a processing unit; the processing unit is used for estimating the current water content proportion of the current batch of biomass according to the output data of the weighing unit and the sampling water content total calculation unit; and when the current water content ratio reaches a specified value in a specified threshold range, conveying the current batch of biomass to a pressing module for briquetting and pressing. And data support is provided for subsequent accurate drying control, and raw material waste and energy loss caused by improper moisture control are reduced.

The present application relates to the technical field of biomass energy, and specifically discloses a preparation method of high-performance biomass briquetting fuel based on steam explosion pretreatment of rice hull and addition of pine wood. The method uses agricultural waste rice hull as the main raw material, realizes efficient removal of hemicellulose and high retention of cellulose and lignin through steam explosion pretreatment, combines particle size optimization, and verifies the natural bonding effect of free sugar on the surface of the residue through water washing, and adds pine wood as a reinforcing agent to significantly improve the comprehensive performance of the briquetting fuel. The present application solves the core problems of low mechanical strength, high water absorption and poor storage stability of existing rice hull fuel, has low process cost and no chemical pollution, is suitable for industrialization, and provides an effective path for realizing high-value utilization of agricultural waste and the carbon neutralization goal.

The utility model discloses a biomass briquette fuel drying forming machine with a crushing function, and relates to the technical field of biomass fuel processing. The device comprises a drying box, the top of the drying box is fixedly connected with a crusher, and a discharge port at the bottom of the crusher is communicated with a feed port at the top of the drying box. According to the biomass fuel drying device, the rotating shaft is driven by the driving motor to rotate together with the turning blades, smashed biomass fuel in the biomass fuel drying cylinder can be turned through the turning blades, the biomass fuel can make full contact with hot air, and therefore the drying forming efficiency of the biomass fuel can be improved, and the biomass fuel can be dried by opening a sealing cover. And an electric push rod is driven to drive a push block to move backwards, so that an arc-shaped blocking mesh plate can be turned over downwards around a hinge shaft to be opened, at the moment, dried and formed biomass fuel can fall on a guide hopper from a discharge window in the lower portion of the biomass fuel drying cylinder and slide to a discharge nozzle along the guide hopper to be automatically discharged, and personnel can conveniently collect the biomass fuel.

The invention belongs to the technical field of biomass energy utilization and solid waste resourceful treatment, and particularly relates to a method for preparing biomass briquette through co-pyrolysis of biomass and waste plastics. The method comprises the following steps: (1) raw material pretreatment: respectively drying biomass and waste plastics until the moisture content is lower than 8%, and respectively grinding; (2) hot press molding: uniformly mixing the pretreated biomass and waste plastics according to a mass ratio of (1-5): 1, and then carrying out hot press molding to form a pressed blank; wherein in the hot press forming process, the pressurization pressure ranges from 4.8 MPa to 5.2 MPa, the hot press temperature ranges from 80 DEG C to 100 DEG C, and the pressure maintaining time ranges from 10 min to 30 min; and (3) pyrolysis: heating the compact obtained in the step (2) to 600-800 DEG C at a heating rate of 5-15 DEG C / min in an inert gas atmosphere, carrying out pyrolysis, continuously introducing inert gas in the pyrolysis process, and cooling to obtain the biomass briquette.

The utility model relates to the technical field of screening devices, and discloses an efficient screening device for biomass briquette fuel production, which comprises a support, a supporting block is fixedly mounted on the inner wall of the support, a reset spring is fixedly mounted on the upper surface of the supporting block, and the reset spring is fixedly mounted on the inner wall of the support. The ends, away from the supporting blocks, of the reset springs are fixedly connected with a screen plate, and a vibration motor is fixedly installed on the side wall of the screen plate. According to the efficient screening device for biomass briquette fuel production, a vibration motor is started to drive a screen plate to vibrate, elastic telescopic rods on the side wall of the screen plate extrude rolling wheels on mounting blocks to make contact with the inner wall of a movable groove, the screen plate stably moves, and then balls arranged on the side walls of the mounting blocks make contact with the other side wall of the movable groove; and the round balls rotate in the sleeves, the sleeves extrude the telescopic springs, then the stability of the side edges of the mounting blocks is guaranteed, and the screening plates conduct screening stably.

The invention discloses a production process for preparing biomass particles by drying and extruding furfural residues at low temperature, and belongs to the technical field of biomass briquette fuel preparation. The process comprises the following steps: providing furfural residue with the initial water content of 50-60% and a coking polymer generated in furfural production; an indirect heat exchange type roller dryer is adopted for low-temperature steam drying, the heat exchange surface temperature is made to be 90-100 DEG C, air inducing and dehumidification are matched, the moisture content of discharged furfural residues is controlled to be 15-20%, and condensate water is recycled; crushing a coking polymer to be not greater than 50 meshes, and mixing the coking polymer with the dried furfural residues according to the ratio of (2-5): (95-98); carrying out winnowing and cyclone separation grading ash removal, outputting a main material of more than 50 meshes, and removing fine powder of less than 50 meshes and entrained ash; 0.5-5wt% of a mineral functional agent is doped into the main material and is uniformly mixed. According to the process, stable water control, graded ash removal, low-temperature forming interlocking stability, mineral internal and external synergistic slagging resistance and hydrophobic moisture-proof pulverization resistance are achieved, and the quality and storage and transportation stability of the granular fuel are improved.

The utility model discloses a conveying device for biomass particle briquetting, which belongs to the technical field of biomass briquetting processing and comprises a conveying belt body, a receiving hopper is arranged right above the conveying belt body, discharge opening grooves are arranged on two sides of the outer wall of the receiving hopper, and a blanking mechanism is arranged in each discharge opening groove. By designing a driving scraper type feeding structure and configuring two discharging opening grooves, when the driving motor drives the material distributing rotating disc, the material stirring shafts on the two sides are driven to rotate through the transmission belt, the first belt wheel and the second belt wheel at the same time, and the material stirring blades are driven to rotate; and biomass briquettes falling from the material distribution rotating disc are efficiently scraped into the discharging hopper and then are sent out through the conveying belt body at the bottom, so that the feeding efficiency of the briquettes is greatly improved, and blockage is avoided.

The invention relates to the field of biomass fuel preparation, in particular to modified biomass fuel and a preparation method thereof. The biomass fuel provided by the invention is prepared by carrying out in-situ modification on a biomass base material through a specific composite additive; the composite additive is composed of small organic molecules containing phosphate groups and carboxylic acid groups and Ca / Mg / Fe alkaline earth metal salt, the small organic molecules and the Ca / Mg / Fe alkaline earth metal salt are subjected to an in-situ esterification reaction on the surface of biomass, a stable organic metal complex is generated, and a coating layer is formed. In the combustion process, the organic metal complex participates in ash conversion in a molecular state, potassium, sodium, silicon and other elements are inhibited from forming a low-melting-point molten phase through a solid-gas ash migration mechanism, and the technical problems that biomass briquette combustion is large in ash content and serious in slagging are solved from the source. The preparation process of the modified biomass fuel is simple and controllable, is suitable for industrial production, and can be widely applied to combustion equipment such as industrial boilers and civil stoves.

The present application relates to the technical field of biomass briquette production, and discloses a biomass briquette boiling granulation dryer, which comprises a bottom cylinder, a dryer is installed at the top end of the bottom cylinder, an air filtering and heating assembly is installed on one side of the bottom cylinder, an air induction channel is installed at the top end of one side of the dryer, an air induction fan is installed at one end of the air induction channel, a smoke exhaust pipe is installed on the air induction channel, and a silencer is installed on the smoke exhaust pipe. The boiling granulation dryer can drive the rack to move through the first motor, and then drive the two air inlet discs to rotate, so that the area ratio of the air inlet openings of the two air inlet discs changes, the amount of cold and hot air entering the air temperature adjusting pipe changes, the heat of the entering air is adjusted conveniently, and granulation drying is conveniently performed.

The application discloses a kind of based on biomass brittle quality upgrading of pulverous biofuel preparation device, preparation method and biomass power generation method, belong to the technical field of biomass energy.It is based on biomass brittle quality upgrading of pulverous biofuel preparation device including bunker, screw conveying bin, brittle bin, two middle bins and coal mill;First conveying screw is arranged in screw conveying bin, and the conveying direction is from the end close to bunker to the end away from bunker, and the top inlet of screw conveying bin is equipped with visual image device;Second conveying screw is built-in brittle bin, and the conveying direction is opposite to the conveying direction of first conveying screw, and heating channel is arranged in brittle bin, and two middle bins are communicated with screw conveying bin and brittle bin respectively;Coal mill is used to make brittle biomass into biomass powder.The application realizes the preparation of pulverous biofuel based on biomass brittle quality upgrading, can improve the quality consistency of herbaceous biomass brittle, meet the process requirements such as subsequent blending and pulverizing.

This invention discloses a briquette manufacturing device and its manufacturing method, relating to the field of biomass coal production technology. The briquette manufacturing device employs a double-acting structure with reciprocating pressure in its pressurizing mechanism, abandoning the traditional unidirectional, single-stage forming mode. Two briquette formations can be completed in a single reciprocating motion, doubling the number of briquettes formed per unit time and significantly improving biomass briquette production efficiency, making it suitable for large-scale continuous production. The shaping mechanism adopts a split-type dual-station structure, with the upper and lower shaping components simultaneously and independently completing feeding, forming, and discharging without interference. Combined with two separate conveyor belts, it achieves nearly double the production capacity within a single unit's volume. The pressurizing component integrates an upper cleaning scraper, a lower cleaning scraper, and a lifting column linkage structure, automatically scraping away residual biomass raw materials from the inner wall of the mold during pressurization and resetting, preventing raw materials from sticking to or clogging the mold, ensuring a smooth briquette surface, stable forming accuracy, and reducing the defect rate.

The utility model discloses a dust-proof device of a biomass briquetting crusher. The dust-proof device comprises a feeding dust-proof component and a discharging dust-proof component, the feeding dustproof component comprises a feeding dustproof pipeline, a first water pipe is mounted in the feeding dustproof pipeline, and a plurality of first nozzles are fixedly mounted on the first water pipe; the discharging dustproof component comprises a discharging dustproof pipeline, a second water pipe is mounted in the discharging dustproof pipeline, and a plurality of second nozzles are fixedly mounted on the second water pipe; one end of the water supply main pipe fixedly communicates with a water supply branch pipe, one end of the water supply branch pipe communicates with one end of the first water pipe, and the other end of the water supply branch pipe communicates with one end of the second water pipe; according to the utility model, dust generated at the feed port and the discharge port of the biomass briquetting crusher is respectively inhibited in the respective dustproof pipelines, so that the emission of the dust to the surrounding environment is reduced, the air quality of a working place is greatly improved, and the body health of operators is protected.

The utility model provides an efficient forming machine for biomass briquette solid fuel, which comprises a fixed frame, first cylinders are fixedly mounted on two sides of an inner cavity of the fixed frame, a mounting frame is fixedly mounted on the right sides of the first cylinders, and an inner cavity of the mounting frame is rotatably connected with four stirring frames through bearings. Four third motors are fixedly mounted on the front face of the mounting frame, a U-shaped frame is fixedly mounted on the right side of the fixing frame, second air cylinders are fixedly mounted on the two sides of the top of an inner cavity of the U-shaped frame, upper mold pressing frames are fixedly mounted at the bottoms of the second air cylinders, and connecting blocks are fixedly mounted on the two sides of an inner cavity of the U-shaped frame. The efficient forming machine for the biomass briquette solid fuel has the advantages of being high in working efficiency and capable of achieving automatic filling, and solves the problems that when a forming machine in the prior art is used, manual filling is adopted, time is consumed, and the working efficiency of the forming machine is reduced.

The invention discloses a biomass blending combustion method for a coal power unit, belongs to the technical field of carbon emission reduction and renewable energy utilization, and mainly aims to ensure that mixed powder which is reasonable in particle size and meets the combustion requirement of a boiler can be formed after biomass and fire coal are co-ground by a coal mill. According to the main technical scheme, the biomass blending combustion method for the coal-fired unit is used for blending combustion of biomass in a coal-fired unit and comprises the steps that biomass raw materials are smashed till the particle size does not exceed 1.2 mm, and biomass briquette fuel is prepared; the biomass briquette fuel is conveyed to a raw coal conveyor, and the biomass briquette fuel and the fire coal are mixed and jointly conveyed to a stokehole coal bunker; and the mixed materials in the coal bunker in front of the boiler are conveyed to a coal mill to be ground, and the ground mixed powder is conveyed into the boiler to be combusted.

This application discloses a biomass cascade gasification gasification device, relating to the field of biomass gasification. The primary gasification system uses superheated steam and oxygen as gasifying agents, offering strong raw material adaptability; it can use biomass briquettes or regular bulk biomass, resulting in low raw material pretreatment costs. A fluidization device ensures a uniform temperature field in the primary gasifier, reducing the likelihood of coking. A return feeder returns semi-coke particles separated by a cyclone separator to the primary gasifier, allowing them to participate in the gasification reaction again, improving biomass raw material utilization and reducing semi-coke ash emissions. Based on this, the primary gasification system can reduce raw material pretreatment costs and semi-coke ash emissions. The secondary gasification system introduces pure oxygen and uses non-catalytic oxidation technology to remove impurities carried in the crude syngas through high-temperature cracking. A quench device cools the high-temperature crude syngas, reducing dust and ash accumulation and facilitating subsequent waste heat recovery. Based on this, the secondary gasification system can reduce the impurity content in the crude syngas and lower the crude syngas purification cost.

The invention is suitable for the technical field of biomass utilization, and provides a low-cost biomass charcoal particle briquette fuel preparation method, which comprises: S1, crushing, screening, carbonizing and re-crushing air-dried forestry branches to obtain biomass charcoal; s2, adding water into the industrial manioc waste for pre-gelatinization; s3, uniformly mixing the forestry branch biomass charcoal with the pre-gelatinized manioc waste, then uniformly mixing with the industrial furfural residue, and adjusting the water content of the mixture; and S4, filling a mold with the mixture, heating, and pressurizing to prepare the biomass charcoal particle briquette fuel. The crushed forestry branches are firstly carbonized to prepare the biomass charcoal, the biomass is compounded with the cassava residues and the furfural residues in a certain proportion, the biomass charcoal particle briquette fuel is prepared through pre-gelatinization, heating and pressurization, and the fuel has the advantages of being high in energy density, stable in mechanical performance, low in cost and the like; the defects that biomass briquette fuel is low in energy density, and biomass charcoal particle briquette fuel is unstable in mechanical performance are overcome.

The utility model relates to small -size mechanical combustion equipment technical field, concretely to a kind of small -size mechanical combustion device suitable for easy coking biomass briquette, including material supporting plate, horizontal fixed in the feed channel below fuel bin, between the one side of material supporting plate and the opposite side of feed channel is equipped with the discharge port, and push material box is slidably arranged on material supporting plate;Push material swing bar is rotationally arranged on the swing bar support plate below the feed channel of fuel tank side, and the first long slot hole of push material swing bar first end is slidably connected with the first cylindrical pin on push material box, and swing bar support plate lower end is connected with incomplete gear reciprocating mechanism;Static furnace bar is horizontally fixed at the junction of fuel tank and ash box;Dynamic furnace bar is horizontally slidably arranged at the junction of fuel tank and ash box, and dynamic furnace bar and static furnace bar are staggered and spaced arrangement each other, and dynamic furnace bar is connected with incomplete gear reciprocating mechanism;The utility model has the advantages of simple structure, low cost, reliable and safe use and the like.