581results about "Material granulation" patented technology

The invention relates to the technical field of granulation control, and discloses a powder granulation control method and system based on fuzzy control, the system comprises a data acquisition unit, a data processing unit, a data analysis unit and a data adjustment unit; by collecting key parameters such as powder humidity in real time, instant and accurate data are provided for control; through fine processing such as filtering, normalization and feature extraction, data noise is removed, the data scale is unified, and parameter dynamic change features are deeply mined; by means of a preset fuzzy rule, the parameter features are converted into fuzzy linguistic variables for reasoning, and the equipment adjustment amount can be scientifically and reasonably determined; in the execution link, a final adjustment value is determined through weighted average, and precise regulation and control of the granulation equipment are achieved; the rich and practical fuzzy rule base covers various parameter deviation combinations, so that the system can adapt to different granulation working conditions, and the granulation efficiency and the product quality are effectively improved.

The utility model relates to the technical field of pesticide production, in particular to a granulation mechanism for pesticide production, which comprises a granulation box, a feed inlet, a granulation component and a drying component, the top of the granulation box is used for forming the feed inlet, the feed inlet is communicated with the granulation component, and the top of the granulation box is connected with a plurality of support legs which are circumferentially distributed around the central axis of the granulation box; the granulation assembly is connected to the circle center position in the granulation box, and the drying assembly is arranged below the granulation assembly. According to the pesticide particle drying device, when the discharging assembly is used, the contact time of the pesticide particles and the heating assembly can be prolonged by controlling the speed of the pesticide particles moving out of the granulation box, the drying time is prolonged so that the drying quality can be improved, and when the discharging assembly is used, the screening assembly is triggered to make reciprocating motion along the central axis of the granulation box; and the screening assembly moves up and down to generate vibration, so that bonded pesticide particles can be separated, and mutual contact and bonding of pesticides in the discharging process are avoided.

The invention discloses a slow-release alkaline composite material as well as a preparation method and application thereof, and relates to the technical field of water treatment. The preparation method comprises the following steps: mixing the paper mill white mud, the cement, the fly ash and the exciting agent, adding the water glass, uniformly mixing, granulating, placing at room temperature, carrying out water bath steam curing, and carrying out air drying and aging to obtain the slow-release alkaline composite material. The method has the advantages of simple process, cheap and easily available raw materials and low equipment investment and operation cost, and the prepared slow-release alkaline composite material has the advantages of good formability, good settleability, controllable alkali slow-release property and excellent pH slow-release regulation effect on acidic wastewater, has strong adsorption capacity on heavy metals such as iron and manganese without activation, and is suitable for industrial production. The method can solve the problem of neutralization precipitation method treatment of acidic mine gushing water, also synchronously widens the way of resource utilization of the white mud of a paper mill, and is beneficial for realizing the win-win goal of treating waste with waste.

The invention discloses a ceramic dry granulation unit which comprises a granulation machine body and a first transverse plate fixedly connected with the outer wall of the middle of the granulation machine body, and the bottom end and the top end of the granulation machine body are provided with a cleaning mechanism and a conveying mechanism correspondingly. Meanwhile, a second draught fan blows air into the discharging barrel, the ceramic powder can be sprayed out of the distributor more quickly and evenly, at the moment, an external water supply device injects water into a plurality of water pipes, the water is sprayed out through an atomization spraying head, and the ceramic powder sprayed out of the distributor is wetted; one part of the wet ceramic powder can directly fall onto the rotating disc through the opening in the bottom end of the granulator body, and the other part of the wet ceramic powder can fall onto the inner wall of the bottom end of the granulator body, and at the moment, the first fan blows air into the inner cavity of the bottom end of the granulator body, so that the wet ceramic powder falling onto the inner wall of the bottom end of the granulator body is blown up; therefore, the material falls onto the rotating disc through the self weight of the material.

The utility model discloses a feeding device of a granulator, which comprises an extruder, a feeding device and a feeding device, the dispersing component comprises a feeding barrel arranged at the top of the extruder, a feeding port is formed in the top of the feeding barrel, a discharging port is formed in the bottom of the feeding barrel and communicated with the charging barrel, two transmission rods are further arranged in the feeding barrel, stirring blades are distributed on the transmission rods, gears are arranged at the extending ends of the two transmission rods respectively, and a power unit is further arranged on the feeding barrel; the heating part is arranged on the feeding barrel; according to the feeding device, after materials enter the feeding barrel, the power unit drives the two transmission rods to rotate relatively through meshing between the two gears, so that the stirring blades fluctuate the materials in the feeding barrel from the center of the feeding barrel to the two sides of the feeding barrel, meanwhile, the heating component heats the inner wall and the inner cavity of the feeding barrel, and therefore the materials in the feeding barrel are heated; therefore, the materials are prevented from caking due to extrusion and humidity problems, the materials can be heated more uniformly, and the product quality is guaranteed.

The invention relates to a semiconductor device manufacturing technology, and aims to provide a preparation method of refined coke powder and high-purity isostatic pressing graphite. The method comprises the following steps: by taking calcined petroleum coke or calcined pitch coke as a raw material, crushing and grinding to obtain primary coke powder, then carrying out high-temperature halogen impurity removal treatment in a continuous heating manner, and introducing Freon gas in the process; cooling to obtain impurity-removed coke powder; and carrying out dispersion, grinding, shaping treatment, airflow classification and magnetic separation to obtain refined coke powder. According to the method, the impurity content is greatly reduced from the raw material end, the situation that a large number of metal impurities generated during smashing and grinding treatment cannot be eliminated in the graphitization process due to the fact that the metal impurities are located below the surface layer of a blank can be avoided, and the internal impurity content of a final graphite product is smaller than 20 ppm; higher tap density can be obtained, and a better mixing and kneading effect is realized; the porosity of an isostatic pressing graphite product can be reduced, the microstructure of a graphite material is effectively improved, and the corrosion resistance of the graphite material is effectively improved.

The utility model provides efficient fertilizer granulation equipment, and relates to the technical field of fertilizer granulation, the efficient fertilizer granulation equipment comprises a fertilizer granulation processing box, the inner wall of the fertilizer granulation processing box is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a gear, one side of the gear is fixedly connected with a grinding roller, and the other side of the gear is fixedly connected with a second motor. The grinding rollers are rotationally connected to the inner wall of the fertilizer granulation processing box, and two groups of grinding rollers and gears are arranged; compared with the prior art, the high-efficiency fertilizer granulation equipment has the advantages that when the granulation yield is improved in the requirement process, raw materials which do not meet the standard in the waste discharge hopper are poured into the feed hopper to be continuously processed, so that the granulation yield is improved; when the efficient fertilizer granulation equipment is used, the granulation box shakes left and right to mix water drops and raw materials into balls, the spherical fertilizer particles are not easy to break and abrade compared with particles with edges and corners, and meanwhile, more fine fertilizers are reduced.

The invention provides an electrode preparation method and system, an electrode and a battery. The electrode preparation method comprises the following steps: freezing and embrittling a binder; the binding agent is smashed into binding agent powder; mixing the binder powder with an active substance to form a mixed material; the mixed material is subjected to pre-fibration, and a pre-fibration material is formed; carrying out roll forming on the pre-fibration material to form an electrode diaphragm; and compounding the electrode diaphragm with a current collector to form the electrode. According to the electrode preparation method disclosed by the invention, the adhesive is frozen and embrittled, so that the toughness of the adhesive is remarkably reduced, and the brittleness of the adhesive is increased, and therefore, the adhesive can be uniformly crushed into fine particles, the mixing uniformity and the pre-fibration degree of the adhesive and other materials can be improved, and the uniformity of the thickness of the electrode is further effectively improved; and moreover, high-speed film formation of the electrode diaphragm is facilitated, the production efficiency of the electrode can be effectively improved, and meanwhile, the uniformity of electrode resistance can be ensured.

The utility model relates to a crystalline flake graphite spheroidization processing device which comprises a processing outer roller, a processing roller piece, roller support frames, a front end cover and end cover fixing bolts, the roller support frames are fixed on the bottom sides of the two ends of the processing outer roller, the processing roller piece is arranged in the processing outer roller, and the front end cover is arranged on the front end cover. The front end cover is fixed to the side end of the machining outer roller through an end cover fixing bolt, and the side end of the machining roller piece is connected to the center of the front end cover in a penetrating mode. The graphite spheroidizing device optimizes the arrangement of graphite spheroidizing, changes the traditional machining mode, designs a roller type machining device, improves the machining speed, and is simple in structure, small in abrasion in the machining process and suitable for being used and popularized.

The straw collecting and granulating device comprises a harvester body, a header assembly and a driving assembly, the driving assembly comprises an engine, a transmission assembly, a feeding assembly and a granulating assembly are arranged on the harvester body, the feeding assembly is connected with the right end of the header assembly, and the granulating assembly is connected with the right end of the header assembly. The feeding assembly comprises a feeding frame and a conveying mechanism, a first feeding port is formed in the left end of the feeding frame and connected with the header assembly, the granulation assembly is arranged below the feeding frame, one end of the transmission assembly is connected with the engine, and the other end of the transmission assembly is connected with the first driving shaft. According to the straw collecting and granulating device changed from the small-sized harvester, the small-sized crawler-type harvester is used as a main body for improvement, additional power is not needed, function conversion from threshing operation to straw collecting and granulating operation is achieved, and the straw collecting and granulating device is suitable for operation of small-area field parcels in the south, and flat-die granulating and field in-situ discharging of pure rice straw are completed.

The invention provides a preparation method and application of an anti-caking agent for betaine, and the preparation method comprises the following steps: step 1, uniformly mixing metered calcium silicate, stearic acid and water to obtain a first treated substance; step 2, performing ball milling on the first treated object in a ball mill to obtain a second treated object; and 3, carrying out suction filtration on the second treated substance, and drying to obtain the target anti-caking agent. The calcium silicate and the stearic acid are compounded, so that the porous structure of the calcium silicate preferentially adsorbs environmental moisture and reduces water films on the surfaces of betaine particles, the hydrophobicity of the stearic acid forms a hydrophobic layer through coating and chemical reaction, the moisture is further isolated, adhesion among the particles is reduced, and the caking rate of the betaine is reduced. Low-cost raw materials such as calcium silicate and stearic acid are used, and simple process steps such as mixing, ball milling, suction filtration and drying are adopted in the preparation process, so that the preparation cost of the anti-caking agent is reduced while the preparation process is simplified. In addition, the whole preparation process is environment-friendly, less in wastewater discharge and free of waste residue discharge.

The application discloses a kind of water-soluble sulphur-based compound fertilizer preparation method, belong to compound fertilizer technical field.The steps include as follows:(1) in reaction kettle, concentrated sulfuric acid and potassium chloride are reacted under heating condition, reaction temperature is 105-115 DEG C, reaction time is 25-45 minutes, slurry is sent to cooling kettle;(2) in cooling kettle, temperature is reduced to 40-60 DEG C, slurry is sent to mixed acid tank;(3) in mixed acid tank, add dilute phosphoric acid, potassium bisulfate solution and slurry, reaction temperature is 65-75 DEG C, slurry is sent to tubular reactor;(4) in tubular reactor, add ammonia, washing liquid and slurry, reaction temperature is 150-180 DEG C, slurry is sent to granulator;(5) in granulator, add alkaline compound fertilizer raw material, return material and slurry for granulation, granulation temperature is 80-95 DEG C, return material ratio is 1:1.5-2.0;(6) the granules obtained from granulator are cooled and screened to obtain product.

The utility model discloses a grain blasting bead forming device which comprises a forming box, a solid-liquid separation box is arranged on one side of the forming box, a cleaning assembly is arranged on the other side of the solid-liquid separation box, the solid-liquid separation box comprises a box body and a plurality of arc-shaped pore plates, and the arc-shaped pore plates are arranged on the box body. The box body is fixed to the portion, on one side of the narrow end of the forming cavity, of the outer wall of the forming box, the top end of the box body communicates with the forming cavity, the arc-shaped hole plates are fixed to the inner wall of the box body and longitudinally arranged in a staggered mode, the bead dripping mechanism is arranged at the top end of the forming box, the forming cavity is formed in the forming box, and the cleaning assembly comprises a protective cover and a conveying belt. The protective cover is arranged on one side of the bottom end of the box body, and the conveying belt is arranged on the inner wall of the protective cover. According to the utility model, through the arrangement of the arc-shaped pore plate, when the blasting beads are separated from the forming liquid, the blasting beads are repeatedly rolled and formed on the surface of the arc-shaped pore plate, so that the shapes of the blasting beads are uniform, and the forming quality of the blasting beads is improved.

The invention discloses an activated sludge screening granulation process and device and a using method, and relates to the technical field of sewage biochemical treatment. The device comprises a screen component, the screen component comprises at least one screen plate, screen holes are formed in the surface of the screen plate, and a base is installed below the screen plate; the aeration turbulence component comprises an aeration pipe mounted on the upper surface of the base, the surface of the aeration pipe is uniformly sleeved with an aeration disc mounting seat, an aeration disc is mounted above the aeration disc mounting seat, and an aeration pipe connector is mounted at the end part of the aeration pipe; the local turbulence stirring part comprises at least one stirring part, and the stirring part is arranged on any side of the sieve plate and located above the aeration disc; the multi-stage sieve holes are adopted, the sieve plate is divided into an upper area, a middle area and a lower area, the hole diameters are sequentially reduced, accurate grading interception can be achieved according to the particle size, the aeration disc releases tiny bubbles to form turbulent flow, shearing force is generated to destroy the flocculent sludge structure, microorganisms are promoted to secrete EPS, particle densification is accelerated, and the sludge volume index is reduced.

The invention relates to the technical field of manufacturing of fusible polytetrafluoroethylene resin, in particular to a method for treating an unstable terminal group of fusible polytetrafluoroethylene, which is used for solving the problem that the unstable terminal group cannot be thoroughly treated in the prior art. The method comprises the following steps: heating fusible polytetrafluoroethylene resin to a molten state, after self-reaction, introducing high-purity fluorine-nitrogen mixed gas to carry out fluoridation reaction, and extracting impurities generated by the reaction to obtain unstable soluble polytetrafluoroethylene resin with a treated terminal group; according to the method, soluble polytetrafluoroethylene resin is heated to a molten state, and unstable terminal groups are thoroughly treated through self-reaction and fluorination reaction.

The utility model relates to an airflow coating device for mixing powder and liquid, which comprises a mixing tank, a powder conveyor and a nozzle assembly, the powder conveyor and the nozzle assembly are respectively communicated with two ends of the mixing tank, and the powder conveyor is used for conveying powder to the mixing tank; the nozzle assembly comprises a mounting plate, an impingement flow nozzle and a two-phase flow nozzle, the mounting plate is mounted at one end of the mixing tank, the impingement flow nozzle and the two-phase flow nozzle are both mounted on the mounting plate, the impingement flow nozzle is used for inputting the heated air into the mixing tank, and the two-phase flow nozzle is used for spraying the liquid and the heated air into the mixing tank. According to the airflow coating device, powder is conveyed through the powder conveyor, and hot air is input through the impact flow nozzle, so that the powder in the mixing tank fully flows, a mixing blind area is avoided, and the air in the mixing tank can be heated; and the liquid and the heated air are sprayed into the mixing tank through the two-phase flow nozzle, and the liquid is heated and atomized, so that the powder and the liquid are uniformly mixed and coated, and the mixing and coating efficiency is improved.

The present application relates to the technical field of high-salinity wastewater, and particularly relates to a device and a method for separating metal ions in high-salinity wastewater by micro-interface induced crystallization. The present application provides a device for separating metal ions in high-salinity wastewater by micro-interface induced crystallization, which comprises a cylinder, and a fluid mixing zone, a circulating granulation zone and a particle separation zone are sequentially arranged in the cylinder from bottom to top. The device for separating metal ions in high-salinity wastewater by micro-interface induced crystallization provided by the present application helps high-salinity wastewater to enter the upper space of the gas-liquid distributor at different speeds with the help of the differential-speed gas-liquid distributor; meanwhile, more crystalline particles are sent to the circulating granulation zone, the flow direction of the seed crystal in the circulating granulation is regulated, and the crystallization efficiency of the seed crystal is improved. The fluidization zone is designed to be wide at the bottom and narrow at the top, the cross-sectional area of the flow channel of the upper fluidization zone is increased, more sufficient reaction space is provided for the crystalline particles, the drag force of the fluid on the seed crystal particles is weakened, and the residence time of the crystalline particles in the upper fluidization zone is prolonged.

The utility model provides a feed opening of a wet type granulator, which relates to the technical field of feed of wet type granulators and comprises a first feed pipe vertically mounted at the bottom of a feed hopper, an air inlet is arranged on the side wall of the first feed pipe, an air ring is rotatably mounted on the outer wall of the first feed pipe, an air outlet is arranged on the inner side wall of the air ring, and a driving mechanism is connected with the air ring. A second discharging pipe is arranged at the bottom of the annular plate and communicates with the first discharging pipe, a mounting groove is formed in one side of the second discharging pipe, and a dredging mechanism is arranged in the mounting groove; the first discharging pipe is vertically installed at the bottom of the discharging hopper, the air inlets are formed in the side wall of the first discharging pipe, the air outlets are formed in the inner side wall of the air ring rotationally installed on the outer wall of the first discharging pipe, and the air ring is communicated with an external high-pressure air source; the air outlet and the air inlet can coincide by controlling the rotating angle of the air ring, so that an external high-pressure air source enters the first discharging pipe to blow air to assist discharging, and material blockage is prevented.

The utility model belongs to the field of organic fertilizer processing, and particularly relates to a novel humic acid organic fertilizer granulator which comprises a case, a processing barrel is fixedly mounted at the top end of the case, a discharging plate is fixedly mounted at the front end of the bottom of the processing barrel, an acceleration assembly is arranged at the top of the discharging plate, and a vibration assembly is arranged at the bottom of the discharging plate. When a driving rod rotates, a push plate can be driven to slide on the surface of a discharging plate, at the moment, the push plate pushes organic fertilizer on the surface of the discharging plate to move in the direction away from a processing barrel, then the discharging speed of the organic fertilizer is increased, and therefore the production rate of the organic fertilizer is increased; furthermore, the discharging plate is periodically knocked to vibrate, at the moment, the discharging speed of the organic fertilizer on the surface of the discharging plate is further increased, meanwhile, the organic fertilizer on the top of the discharging plate cannot be adhered to the surface due to incomplete drying, and the organic fertilizer adhered to the surface of the discharging plate does not need to be cleaned by personnel.

The invention discloses a calcium nitrate slow-release filler for strengthening restoration of black and odorous bottom mud of a river channel and a preparation method of the calcium nitrate slow-release filler. The calcium nitrate slow-release filler is prepared by physically mixing Ca (NO3) 2.4 H2O, PVA (Polyvinyl Alcohol) and sodium carboxymethyl cellulose. The calcium nitrate slow-release filler disclosed by the invention not only can controllably slowly release calcium nitrate and prevent the calcium nitrate from quickly escaping to overlying water to cause secondary pollution after being put into the bottom mud, but also can provide an electron acceptor for the bottom mud, effectively remove sulfide and ferrous ions in the black and odorous bottom mud and relieve the black and odorous phenomenon of the bottom mud in urban river channels; the method has a wide application prospect in the restoration of the black and odorous bottom mud of the river channel.

The utility model discloses a dust pelletizing, recycling and dust removing device which comprises a dust removing mechanism used for removing dust in gas; the feeding mechanism is used for conveying dust, and a feeding port of the feeding mechanism is connected with a dust outlet of the dust removal mechanism; the granulating mechanism is used for pressing the dust into granules, and a feeding port of the granulating mechanism is connected with a discharging port of the feeding mechanism; the conveying mechanism is used for conveying and recycling particles pressed by the granulating mechanism, and a feeding port of the conveying mechanism is connected with a discharging port of the granulating mechanism; the exhaust mechanism is used for exhausting gas passing through the dust removal mechanism, and a gas inlet of the exhaust mechanism is connected with a gas outlet of the dust removal mechanism. The dust removal device provided by the utility model can be used for pressing collected dust into large-particle-size particles which are directly used as raw materials for recycling, so that reentrainment of dust is avoided, the dust does not need to be conveyed to other places through pneumatic conveying or dust suction and discharge tank trucks for additional treatment, the treatment mode is simple and efficient, and the dust removal device is particularly suitable for dust removal of remote transfer stations.

The invention provides a preparation method and application of sintering-free phosphorus-absorbing particles, and the preparation method comprises the following steps: (1) a mixing step: uniformly mixing a mixed material containing phosphate tailings, fly ash, slag powder and quick lime with an alkali activator solution under the stirring action to obtain a mixed slurry; (2) curing: injecting the mixed slurry into a mold, and demolding after vibration degassing and sealed curing to obtain a cured sample; (3) curing: curing the cured sample under the conditions of constant temperature and constant humidity to obtain a geopolymer sample; and (4) granulating: segmenting, crushing and screening the geopolymer sample to obtain the sintering-free phosphorus-absorbing particles. According to the method, a preparation process combining geopolymer synthesis and physical crushing is adopted, high-temperature sintering is not needed in the whole process, and the energy consumption and the production cost are remarkably reduced. Moreover, the method is simple in process, low in cost and low in energy consumption, and has a good application prospect.

The utility model discloses a granulator, including the work tank, the top intercommunication of work tank has the powder mixture cavity. The utility model discloses adopt this device to control each intelligent conveying valve through intelligent control device, and then control the powder amount of unloading in each storage hopper, and then control powder mixing precision, in order to avoid the powder in storage hopper to gather in the inside of storage hopper and cannot even fall to the powder conveying pipe, and the operator can rotate each stirring rod through the drive assembly, and then the powder in storage hopper is stirred, when the first gear rotates, will drive the slider to reciprocate up and down, enter and drive the support rod and dredging piece reciprocate up and down, when the dredging piece moves up and down, will agitate the powder in storage hopper, after the powder even enters the powder conveying pipe, the powder is conveyed to the powder mixture cavity through intelligent conveying valve, and the device has the advantages of can control powder mixing precision and improve production quality.

The utility model discloses a zinc oxide dry granulation device, and relates to the technical field of zinc oxide production and processing, the zinc oxide dry granulation device comprises a first sieve plate, a second sieve plate, a first sieve hole, a second sieve hole and a screening assembly, the screening assembly comprises a turntable, a centrifugal column, an adapter plate, a connecting rod, a connecting plate, a sliding rod, a mounting plate, a first sliding chute and an inserting rod, the motor drives the turntable to rotate, so that the centrifugal column rotates around the central point of the turntable, the centrifugal column drives the adapter plate to reciprocate up and down, the adapter plate drives the two connecting rods to move synchronously, and the connecting rods drive the sliding rods to reciprocate through the connecting plate. The sliding rods slide in the first sliding grooves when moving to drive the mounting plates to reciprocate, so that the inserting rods on the two mounting plates are repeatedly inserted into the first screening holes and the second screening holes in the first screening plate and the second screening plate correspondingly, zinc oxide particles are prevented from blocking the first screening holes and the second screening holes, and the screening efficiency of the two screening plates is improved.

The utility model discloses a wet granulation system with a cleaning function, which comprises a cleaning and inactivation component, an isolator communicated with the cleaning and inactivation component, and a detection component used for detecting the cleaning effect of each component in the isolator, a wet granulator, a fluidized bed, a granulator and a mixer assembly are arranged in the isolator; the cleaning and inactivating assembly comprises a buffer tank, a heat exchanger, and a first cleaning pipeline and a second cleaning pipeline which are respectively communicated with the upper end and the lower end of the buffer tank; the first cleaning pipeline communicates with the cleaning agent assembly and the inactivating agent assembly and is connected with a water inlet of the heat exchanger. And the second cleaning pipeline is connected with a water outlet pipeline of the heat exchanger and is also respectively communicated with corresponding cleaning pipelines of the wet granulator, the fluidized bed, the granulator and the mixer assembly. The utility model aims to realize the whole process of cleaning, purging and inactivating equipment by using one pipeline, so that the manufacturing cost can be saved while the cleaning efficiency is improved.

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 a prilling kettle tar collecting system and prilling kettle, the prilling kettle tar collecting system comprises a main smoke pipe, a tar discharge pipe, a tar collecting pool, a thermal insulation jacket and a high temperature molten tar collecting device, the main smoke pipe is connected with a prilling kettle smoke discharge pipeline, the tar discharge pipe is located between the main smoke pipe and the tar collecting pool, and the thermal insulation jacket is located between the tar collecting pool and the thermal insulation jacket. A heat preservation jacket is arranged outside the tar collecting tank, the lower part of the tar collecting tank is connected with a high-temperature molten tar collecting device through a pipeline, a tar inlet valve is arranged in the middle of the tar discharging pipe, and a tar discharging port valve is arranged in a pipeline connected with the high-temperature molten tar collecting device and below the tar collecting tank. By arranging the heat preservation jacket, tar in the tar collection pool is at a certain temperature and is not solidified, so that the pipeline does not need to be dredged manually, the safety is improved, and the use cost is reduced.

To provide: a livestock-derived oil cake powder that can be used as a raw material for feed and / or fertilizer; feed and fertilizer containing the oil cake powder; and a technique for producing them.SOLUTION: A method for producing an oil cake powder for feed or fertilizer includes an elution step S2, a compression pressing step S3, and a pulverization step S5. The elution step S2 is a step of obtaining an oil cake raw material by eluting and removing oil components through heating and pressurizing treatment of a raw material including livestock hair. The compression pressing step S3 is a step of obtaining pressed oil cake by charging the oil cake raw material into a compressor to further remove oil components. The pulverization step S5 is a step of obtaining oil cake powder by pulverizing the pressed oil cake into a powder using a pulverizer.SELECTED DRAWING: Figure 13

The utility model relates to the technical field of granulator cleaning and liquid adding, in particular to a wet type granulator cleaning and liquid adding device which comprises a device body, the device body comprises a cleaning and liquid adding cylinder fixedly installed on the top face of a wet type granulator, and an automatic switch water splashing mechanism is arranged in the cleaning and liquid adding cylinder. The automatic switch water splashing mechanism is formed by combining an automatic switch assembly and an automatic water splashing assembly, the automatic switch assembly comprises a driving disc which is movably installed at the position, close to the top end, in the cleaning liquid adding barrel through a first electric telescopic rod, and a switch disc is fixedly installed at the bottom of the driving disc through a connecting rod; by means of the design of the automatic switch water splashing mechanism, cleaning liquid guided into the cleaning liquid adding cylinder can be evenly diffused to the periphery of the inner wall of the machine body, meanwhile, automatic lifting is achieved, high-pressure cleaning is conducted on the inner wall of the machine body from top to bottom, and the cleaning effect is good. And the cleaning efficiency and the cleaning effect of the wet type granulator are greatly improved.

The utility model relates to the technical field of agricultural mechanical equipment, and discloses a feed granulation device which comprises a granulator and a filter vat, one side of the upper end of the granulator is fixedly connected with a granulation box, both sides of the outer wall of the granulation box are fixedly connected with exhaust pipes, and the ends, away from the granulation box, of the two exhaust pipes are fixedly connected with connecting pipes; air inlet pipes are fixedly connected to the two sides of the outer wall of the filtering barrel, an air draft ring is fixedly connected to the outer wall of the feeding hopper, a plurality of dust suction pipes arranged in an annular array are fixedly connected to the inner wall of the air draft ring, and a connecting square pipe is fixedly connected to one side of the outer wall of the air draft ring. According to the device, a dust removal system is constructed through the exhaust pipes on the two sides of the granulation box, the connecting pipe and the air inlet pipe connected with the filtering barrel, dust generated in the granulation process can be effectively collected and treated, the production environment is kept clean, and meanwhile potential threats to the health of workers are reduced.