498 results about "Biomass particle" patented technology

The invention discloses a biomass pyrolysis gasification boiler control system and method, and relates to the technical field of biomass pyrolysis. A material distribution assembly comprises a material storage box and a slope material distribution part arranged below the material storage box, an intermittent material rotating assembly is rotationally installed in the material storage box and engaged with a vertical toothed plate, the intermittent material rotating assembly is used for transferring biomass particles to the slope material distribution part from the material storage box, and a closed material carrying assembly is arranged in a pyrolysis gasification furnace in a sliding mode. The closed material loading assembly comprises a closed lifting disc used for pushing the material distributing assembly to move, and two top sealing plates are installed on the closed lifting disc through torsional springs. According to the invention, the uniform laying and pyrolysis gasification of the next batch of biomass particles on the biomass carrying plate can be realized under the condition of keeping the pyrolysis gasification chamber isolated from external air, so that the non-accumulation type and closed feeding type pyrolysis gasification process of biomass can be realized; a large amount of heat loss caused by convection between air and the pyrolysis gasification chamber in the biomass feeding process can be effectively avoided.

The invention relates to a manufacturing method of a sludge-biomass fuel rod. The manufacturing method comprises the following steps: S1, sludge pretreatment: dehydrating sludge; s2, sludge crushing treatment: performing crushing treatment on the dewatered sludge to obtain sludge particles with the particle size of less than or equal to 3mm; s3, sludge and biomass are mixed, wherein the sludge particles obtained in the step S2 and biomass particles are stirred and mixed according to the mass ratio of (10-90): (90-10), and a sludge-biomass forming raw material is obtained; s4, sludge-biomass raw material extrusion forming: performing extrusion forming on the sludge-biomass forming raw material obtained in the step S3 to obtain the sludge-biomass fuel rod. Compared with the prior art, the prepared sludge-biomass fuel rod has better combustion characteristics and stability. The sludge can play a bonding role in the fuel rod forming process, a compact body structure is conveniently formed, and forming is convenient; and the biomass is beneficial to improving the combustion characteristic of the fuel rod.

The invention provides a biomass gasification system and a fluidized bed gasification process, the system comprises a fluidized bed gasification furnace, a cyclone separator and a material returning leg, the fluidized bed gasification furnace is provided with a gasification cavity and a gas chamber, and a fluidized bed formed by bed materials is arranged in the gasification cavity. Bed materials are added into the gasification furnace in a spiral feeding and pneumatic conveying combined mode, a fluidized bed is established, biomass particles are added after temperature rise, the pressure in the gasification furnace is kept to be certain, and an auxiliary gasification agent enables the biomass particles to be in a fluidized state. According to the invention, the melting characteristic of biomass ash can be effectively improved, the problem of easy slag bonding during biomass gasification is solved, the gasification temperature is effectively increased, and the methane content in the synthesis gas is reduced. The bed material can catalytically crack tar generated in the biomass gasification process, the quality of synthesis gas is optimized, the synthesis gas is prevented from being bonded and attached to the metal wall of a downstream device, the yield of the synthesis gas and the stability of the device are improved, and the heat exchange efficiency of a downstream waste heat recovery unit is enhanced.

The invention discloses a porous carbon particle adsorption material capable of preparing ultra-pure helium through one-step purification as well as a preparation method and application of the porous carbon particle adsorption material. The method comprises the following steps: (1) carbonizing biomass particles; (2) dipping the carbonized biomass particles in a nitrogen source-containing aqueous solution; (3) carrying out CO2 activation pore-forming and nitrogen functional group doping on the nitrogen source impregnated carbonized biomass particles obtained in the step (2) at high temperature; and (4) fully activating the nitrogen source impregnated carbonized biomass particles, performing programmed cooling, and introducing water vapor to perform secondary pore forming and oxygen functional group doping to obtain the porous carbon material. According to the method, the porous carbon particle adsorbent is prepared from natural biomass, the pore size distribution is concentrated, nitrogen and oxygen containing functional groups are rich, the adsorbent has ultrahigh adsorption and capture capacity on various impurities in the crude helium under the low-temperature condition, the impurities in the crude helium can be removed in one step, the helium is purified to reach the 6N standard, and the method is suitable for industrial production. And the application requirement of high-efficiency removal of impurities in the production process of ultra-pure helium is met.

The utility model discloses a biomass filter device, including support seat, shell, drive motor, roller and filtration pore, shell is fixed installation in the both sides of support seat inner wall, drive motor is fixed installation in the left side of shell, roller is fixed connection in the output end of drive motor, and the filtration pore is fixed connection in the support seat inner wall. The right side of the roller is movably connected with the right side of the inner wall of the shell through a bearing, and the filtering holes are formed in the surface of the shell. By arranging the annular scraping ring, the connecting block, the threaded block, the reciprocating assembly and the lifting assembly, the lifting assembly can effectively drive the connecting block to enable the annular scraping ring to be adjusted to the surface of the roller, then the reciprocating assembly drives the threaded block to enable the arc-shaped scraping ring to scrape and clean the surface of the roller, and the problem that the surface of the roller is scraped and cleaned when the roller is used for filtering is solved. The problems that due to lack of a cleaning structure, a part of biomass particles can be clamped into filter holes to cause blockage, and due to lack of the cleaning structure, a user difficultly cleans the particles in the filter holes are solved.

The invention belongs to the technical field of granulation devices, and particularly relates to a self-drying biomass particle granulation device which comprises a bottom plate, a shell fixed to the top of the bottom plate, a transmission box fixed in the shell, a barrel fixed to the top of the shell, a discharging plate installed on the outer wall of the barrel, a motor fixed to the side of the transmission box, and a granulation disc connected to an output shaft of the transmission box. A center shaft is further arranged in the barrel, a pair of pressing rollers is rotationally connected to the center shaft, and the temperature collecting module is used for generating a temperature fluctuation coefficient through the control module; and the current acquisition module generates a current fluctuation coefficient through the control module. The extrusion temperature of the material and the working current of the motor are monitored in real time through the temperature acquisition module and the current acquisition module, the generated temperature fluctuation coefficient and the current fluctuation coefficient are comprehensively analyzed, the evaluation coefficient is generated, the evaluation coefficient is compared with a preset reference threshold value, the heating temperature and the rotating speed of the granulation disc are flexibly adjusted, and the granulation efficiency is improved. And the stability of granulation quality is ensured.

The invention relates to a method for producing methane through biomass hydrogasification. The method comprises the following steps: S1, the water electrolysis hydrogen production device produces hydrogen and oxygen; s2, fully mixing the biomass particles with steam in a biomass hydrogenation bubbling fluidized bed reactor, and hydrogen and oxygen from a water electrolysis hydrogen production unit for reaction to generate crude synthesis gas rich in methane; s3, cooling the crude synthesis gas rich in methane in a waste heat recovery unit and producing cooled crude synthesis gas and steam; s4, removing fly ash and part of impurities from the cooled crude synthesis gas in a dust removal washing unit to obtain washed crude synthesis gas; s5, converting the washed crude synthesis gas in a carbon monoxide conversion unit to obtain converted synthesis gas; s6, removing carbon dioxide and other impurities from the converted synthesis gas in a synthesis gas purification unit to obtain purified synthesis gas; s7, separating 0-55vol% of the purified synthesis gas in a gas separation unit to generate carbon-rich gas and hydrogen-rich gas; and S8, generating methane from the residual purified synthesis gas in a methanation unit.

The invention discloses a granulating, conveying and air-drying integrated device which is integrated with air pressure and wind power equipment and can be used for timely and quickly air-drying and cooling formed granules extruded from a die hole, granules can be remotely conveyed through air flow energy while air-drying and cooling are performed, the breakage rate can be effectively reduced through flexible conveying of the air flow, and the production efficiency is improved. Meanwhile, fresh low-temperature airflow can cool the discharging bin, so that the discharging bin is in a low-temperature state, material forming is more facilitated, cooling and conveying are synchronously completed through the airflow, and energy consumption is effectively reduced; the equipment integrates the functions of granulation, air drying and conveying, can be adapted to feed and biomass particle production by adjusting the aperture of the flat die and the air pressure parameter, can be used for production, air drying and conveying of pellet feed and biomass particle fuel, and is extremely simple in structure, free of a complex conveying mechanism, low in failure rate, convenient and fast to maintain, easy to produce, manufacture, install and maintain and high in production efficiency. The method is suitable for large-scale popularization and has high commercial value.

The invention provides biomass fuel sourced from urban life manure residues and a preparation method and application thereof, and relates to the technical field of biomass fuel. The preparation method provided by the invention comprises the following steps: carrying out solid-liquid separation on municipal domestic manure residues and manure, and then turning and mixing the municipal domestic manure residues and manure with biomass particles to obtain a dried raw material with the water content of 8-12%; extruding and granulating the dried raw material to obtain the biomass fuel; wherein the biomass material of the biomass particles comprises one of saw dust and rice husk. According to the invention, the utilization efficiency of biomass energy can be effectively improved through resource utilization of urban living manure residues, and meanwhile, the water content and combustion performance can be effectively adjusted by mixing the manure with biomass particles.

The invention discloses a biomass double-hearth combustion furnace with a direct-flow burner and a rotational-flow burner arranged at the bottom, and relates to the technical field of combustion equipment. The problems that an existing combustion device is insufficient in adaptability to the particle size of biomass particles, and large-particle biomass is difficult to burn out completely are solved. A direct-current burner is connected with the outer wall of an inner-layer furnace and the inner wall of an outer-layer furnace through a posture adjusting assembly, a turbulent burner and an inner-layer furnace combustion chamber which are embedded inside and outside are installed at the bottom of the inner-layer furnace, a through turbulent burner is installed at the bottom of the inner-layer furnace combustion chamber, and a third smoke exhaust channel is formed in the upper portion of the inner-layer furnace. An outlet of a first smoke exhaust channel in the upper portion of the outer-layer furnace is communicated with a third smoke exhaust channel, an outlet of a second smoke exhaust channel is communicated with an inlet of a cyclone separator, an outlet in the upper end of the cyclone separator is communicated with an inlet of a turbulent burner through a combustible gas connecting pipeline, and an outlet in the lower end of the cyclone separator is communicated with a combustion chamber of the inner-layer furnace through a carbon residue channel. The biomass burner is used for achieving sufficient burning of large-particle biomass, and the burn-off rate is increased.

The utility model discloses a biomass particle granulator with a cleaning mechanism, and relates to the technical field of granulators. The utility model provides a biomass particle granulator with a cleaning mechanism. The biomass particle granulator comprises a bottom frame, the top end of the bottom frame is fixedly connected with a containing disc, the containing disc is fixedly connected with a material extruding machine, and the material extruding machine is fixedly connected with a forming die. The scrap raw materials are guided into the extruding machine, the extruding machine extrudes the raw materials through the forming die for granulation, produced biomass particles fall on the containing disc, in the initial state, the scraping plate does not make direct contact with the surface of the forming die, and the biomass particles extruded and formed by the forming die can be cut off when the scraping plate rotates; and when the surface of the forming die needs to be cleaned, the extrusion cylinder and the sliding plate are matched to control the rolling brush and the scraping plate to move inwards to make contact with the surface of the forming die, and the scraping plate and the rolling brush rotate front and back to clean the surface of the forming die.

The disclosed invention includes a method of making a carbon dioxide-removing insulating material composition and the resulting carbon dioxide-removing insulating material composition, the material composition having sufficiently low thermal conductivity, the material composition is of the carbon dioxide removal type and thus absorbs more CO2 from the atmosphere during its production and use than it emits and can permanently sequestration this CO2. This is achieved by using at least one pyrolysis step of thermally insulating biomass particles bound to a further binder or a binder contained in the material or by directly compositing the thermally insulating biomass particles after pyrolysis to produce a composition that is shaped at macroscopic and microscopic levels.

The utility model relates to a kind of self-drying type biomass granule granulating device, it is related to biomass granule technical field, it includes box, the box top is opened feed inlet, the box bottom is opened discharge gate, a set of granulating roller is rotationally arranged in the box, several granulating holes are opened in the outer lateral wall of the granulating roller, through-hole is opened in the inner wall of the granulating hole, cavity is opened in the granulating roller, the cavity is interconnected with through-hole, push rod is inserted in the through-hole, one end of the push rod is located in the granulating hole, the other end of the push rod is located in the cavity, abutment component is arranged in the cavity, the abutment component is used to exert force, which is away from the axis of the granulating roller, to the push rod, reset component is arranged in the through-hole, the reset component is used to exert force, which is towards the axis of the granulating roller, to the push rod.The present application has the effect of facilitating biomass raw materials to be made into biomass granules.

The invention belongs to the technical field of biomass granulators, particularly relates to a granulation device for biomass particle production, and aims to solve the problems that iron slag is not easy to remove, the granulation efficiency is low and heat supply is not uniform in the prior art. A slag removal mechanism for removing iron slag and a granulation mechanism for completing biomass material granulation are respectively arranged on the outer walls of the crusher and the granulator. After biomass materials are put into the pulverizer to be pulverized, iron slag can be removed as much as possible under the action of the slag removal mechanism, the slag removal difficulty is reduced, the quality of biomass particles is prevented from being affected, and the granulation equipment is well protected; the purified biomass material can be subjected to double-sided granulation under the action of the granulation mechanism, the granulation range is expanded, the granulation efficiency is improved, heat supply is uniform, and the quality of biomass particles is improved.

The utility model discloses a self-cleaning structure of a biomass particle granulator, which comprises a lower pressing block, the interior of the lower pressing block is hollow, an inserting needle for dredging a hole of a granulation plate is arranged in the lower pressing block, and the lower pressing block can descend to extrude slurry between the lower pressing block and the granulation plate, so that the slurry can be cleaned, and the self-cleaning structure of the biomass particle granulator can be used for cleaning the granulation plate. By means of the arranged inserting needles and the pushing assembly of the inserting needles, when the granulation plate needs to be cleaned, the inserting needles can be inserted into the holes of the granulation plate to dredge the holes, the situation that the holes are blocked due to the fact that slurry remains is avoided, and later use is facilitated; and the other reason is that the connecting plate and the contact pin are arranged to be hollow-out, so that after the water bag is injected with water and expands, the electronic valve is opened, water in the water bag can enter the connecting plate and the contact pin, the water is discharged through the drainage hole, and the hole and the granulation plate are washed and further cleaned.

The biomass particle hot blast stove comprises a stove body, a feeding assembly, a combustion assembly, a heat exchange assembly and a smoke exhaust assembly. The combustion assembly is arranged in the furnace body, a combustion chamber of the combustion assembly is sequentially divided into a drying pyrolysis area, a main combustion area and a burnout area in the conveying direction of biomass particles, and ordered partitioned combustion of preheating, sufficient combustion and complete burnout of fuel is achieved; the heat exchange assembly comprises a first heat exchange set arranged above the combustion assembly and a second heat exchange set arranged in the circumferential direction of the combustion assembly, and a three-dimensional and multi-layer waste heat recovery structure is formed. The combustion efficiency and the burn-off rate of the biomass particles are obviously improved; through the first heat exchange set and the second heat exchange set, efficient and sufficient recovery of combustion waste heat is achieved, and the overall heat efficiency and the energy utilization rate of the hot blast stove are greatly improved.

The present invention relates to the field of pellet manufacturing equipment, and in particular to a biomass pellet machine. The shell of its pellet manufacturing part is provided with a feed port, a discharge port 1 and a discharge port 2 from top to bottom, a double-layer flat die assembly is provided in the shell, and is divided into an upper cavity and a lower cavity by the double-layer flat die assembly; a double-layer ring die assembly is provided in the upper cavity and forms a pellet manufacturing chamber connected to the feed port by covering the double-layer flat die assembly, and the outer periphery of the double-layer ring die assembly is provided as a discharge chamber 1; the discharge chamber 1 is connected to the discharge port 1, and a dredging scraper assembly 1 is provided in the discharge chamber 1; a guide platform for the drive shaft to rotate through is provided in the lower cavity, and the outer periphery of the guide platform is provided as a discharge chamber 2 connected to the discharge port 2, and a dredging scraper assembly 2 is provided on the top of the guide platform; a bidirectional rolling assembly is rotatably provided in the pellet manufacturing chamber. The present invention is provided with separate granulation on the side, separate granulation on the bottom, and synchronous granulation on the side and bottom, with various granulation methods, flexible adjustment of the granulation size, and efficient and smooth granulation.

This utility model discloses a magnetic attraction device for a crusher used in low-pollution biomass pellet production, specifically relating to the field of magnetic attraction technology for crushers. It includes a support frame, with a magnetic attraction processing device for the biomass pellet crusher installed inside the upper end of the support frame. The magnetic attraction processing device comprises a crushing and feeding extraction component and a magnetic attraction processing component. Compared with existing technologies, this utility model uses a collection frame for collection. After collection, the collection frame can be moved out by pulling a handle. An automatic magnetic conveyor belt automatically rolls and transports materials for demagnetization and strong magnetic attraction, achieving adsorption of metals inside the biomass pellets. This greatly improves the practicality and ease of use of the entire device, reducing the difficulty of adsorption and waste collection.

The utility model relates to the technical field of biomass particle production, and provides a double-roller biomass granulator which comprises a shell, the controller is fixedly connected to one side of the front surface of the shell; a feeding hopper is fixedly connected to the middle position of the top end of the top cover; the discharge hopper is fixedly connected to one side of the shell; the movable extrusion roller is movably connected to one side of the interior of the shell, the other side of the interior of the shell is rotationally connected with a fixed extrusion roller, and forming grooves are formed in the surfaces of the movable extrusion roller and the fixed extrusion roller at equal intervals; the second driving motor is fixedly connected to the back surface of the shell; through the arrangement of a pneumatic telescopic rod, a laser distance measuring sensor, a sliding plate and a fixing groove, the pneumatic telescopic rod works to enable the sliding plate to slide, the laser distance measuring sensor is used for detecting the distance between the sliding plate and the inner wall of the fixing groove, and then precise adjustment of the distance between a forming groove and a movable extrusion roller can be achieved; and production requirements, product quality and production requirements of different materials can be conveniently met.

The utility model relates to the technical field of combustion particle production, and discloses a combustion particle cutting mechanism which comprises a cutting ring, the cutting ring is movably arranged on the outer wall of a biomass granulator, a plurality of extrusion holes are formed in the outer wall of the biomass granulator, a connecting plate is detachably arranged on the right side of the outer wall of the cutting ring, and a plurality of extrusion holes are formed in the connecting plate. An electric push rod is fixed to the right side of the biomass granulator, a single-chip microcomputer is fixed to the electric push rod and electrically connected with the electric push rod, and one end of a telescopic rod of the electric push rod is fixedly connected with the bottom face of the connecting plate. According to the combustion particle cutting device, the cutting ring, the connecting plate and the electric push rod are used in cooperation, efficient and even cutting of combustion particles is achieved, the production efficiency is improved, the quality and consistency of the combustion particles are guaranteed, and waste caused by uneven cutting is reduced.

The utility model discloses a feeding device of a biomass particle fuel granulator, and relates to the technical field of biomass particle production auxiliary equipment. The device comprises a bottom plate, a height adjusting mechanism and a buffer supporting mechanism are arranged on the bottom plate, the height adjusting mechanism comprises an adjusting assembly, a supporting assembly and a conveying belt assembly, and the supporting assembly comprises two second hinge blocks fixedly connected to the top of the bottom plate; the conveying belt assembly comprises supporting rods hinged to the two first hinge blocks correspondingly, rolling wheels are fixedly connected to the outer walls of the two rotating shafts correspondingly, the buffering supporting mechanism comprises two buffering assemblies and a feeding assembly, and a pipeline is fixedly connected to the top of the third hinge block located on the front side. By arranging the height adjusting mechanism, the problem that the production efficiency of biomass particles is affected due to the fact that the height of the biomass particle fuel granulator is inconvenient to adjust and is difficult to flexibly adjust according to the actual requirements of the biomass particle fuel granulator is solved.

The utility model relates to the technical field of biomass particle heating furnaces, and discloses a push-pull type hidden folding and unfolding ignition rod device of a biomass particle heating furnace, which comprises a storage pipe and a sliding sleeve connected to the outer side of the storage pipe in a sliding manner, and the outer side of the sliding sleeve is fixedly connected with a group of pull rods. One ends of the pull rods are jointly and fixedly connected with a connecting plate, one end of the connecting plate is fixedly connected with a connecting rod, one end of the connecting rod is connected with a bent connecting rod, one end of the bent connecting rod is fixedly connected with a ball head, and an ignition rod is arranged on the inner side of the storage pipe in a penetrating mode. The connecting rod, the connecting plate, the pull rod, the sliding sleeve and the ignition rod are driven by the ball head and the bent connecting rod to move together, so that the ignition rod can be fed into a hearth; after the biomass particles are ignited, the ball head is pulled towards the outer side of the furnace shell, the ignition rod can be pulled out of the hearth, the situation that the ignition rod is pressed and burnt by the biomass particles all the time in the hearth is avoided, and therefore the service life of the ignition rod is greatly prolonged.

The invention provides a biomass carburant and a preparation method and application thereof, and belongs to the field of metallurgy. The method comprises the following steps: mixing biomass carbon and iron powder according to a first set mass ratio to obtain a first mixture; mixing the first mixture with a binder according to a second set mass ratio to obtain a second mixture; the second mixture is pressed into balls, and green balls are obtained; and the green pellets are baked at the set temperature for the set time, and the biomass carburant is obtained. Biomass particles and iron powder are mixed and then pressed into balls, heat treatment is carried out to improve the strength, the prepared biomass carburant is large in density, can be added into molten steel according to a treatment mode of a common alloy material, and is relatively pure in component, so that the problems that common biomass particles are small in density, difficult to add, low in absorptivity, smoke and the like are solved.

The utility model discloses a biomass combustion gas hot air boiler, the inner side of a rotating seat is embedded and rotatably connected with a rotating rod, the top end of the rotating rod is provided with a rotating blade, and the edge end of the rotating rod is fixedly connected with four linkage rods at equal angles at the bottom of the rotating blade; the bottom ends of the four linkage rods are connected with connecting rods at equal intervals, and the bottom ends of the connecting rods are fixedly connected with material turning shovel plates. Heat airflow generated in the combustion process is used for driving the rotating blades to rotate, and the rotating rods are synchronously driven to rotate; according to the biomass particle combustion device, the linkage rod, the connecting rod and the material turning shovel plate can be conveniently driven to rotate on the inner side of the combustion hearth, the material turning shovel plate moves along the top face of the leakage net, biomass particles accumulated in the combustion hearth can be conveniently turned through rotation of the material turning shovel plate, and therefore the biomass particles can be combusted more thoroughly, and the combustion effect is guaranteed.