16 results about "Impact mill" patented technology

The invention relates to a direct drive type impact mill which comprises a machine shell, a pump drainage pipe is outwards arranged in the middle of the top of the machine shell, and a grading wheel is rotationally installed at the feeding end of the pump drainage pipe; the material crushing assembly comprises a grinding ring installed in the middle of the machine shell, a material crushing disc is arranged on the inner side of the grinding ring, a plurality of crushing hammer heads are evenly distributed and fixedly connected to the periphery of the material crushing disc, and material distributing plates connected to the crushing hammer heads are fixedly connected to the material crushing disc; the driving mechanism comprises a material crushing motor, an output shaft of the driving mechanism is in transmission connection to the center of the material crushing disc, and the output shaft is rotationally mounted on a shell of the material crushing motor through a plurality of magnetic suspension bearings; the feeding assembly comprises a material guiding cover, a feeding pipe is installed on the material guiding cover in a communicating mode, a material collecting cover is arranged in the center of the material crushing disc, and the bottom of the material collecting cover and the material crushing disc are arranged in a spaced mode. According to the invention, the over-temperature problem of the bearing for installation can be effectively overcome, and the transmission amount of vibration to the material crushing motor can be reduced, so that the material crushing motor is integrally integrated in the shell to directly drive the material crushing disc.

A single- or multi-stage mechanochemical reactor (1) according to Figure 1, selected from the group consisting of ball mills, attritor ball mills, vibrating ball mills, resonant acoustic mixers, hammer mills, impact mills, pin mills, cutting mills, jet mills and twin-shaft extruders, equipped with a self-regulating thermal management system for a temperature range of -195°C to 1000°C, wherein - the self-regulating thermal management system comprises at least one heat pipe (2) and / or at least one flat heat pipe (3) and at least one heat source (4) and at least one heat sink (5) which are in thermally conductive contact with each other, - that at least one heat pipe (2) and / or at least one flat heat pipe (3) is or are installed in and / or a static component (1.1) of the reactor (1) and is or are in thermally conductive contact with the material to be ground (1.2) or the material to be ground (1.2) and the grinding media or grinding balls (1.4) in at least one grinding chamber (1.3) of the reactor (1) and - the static component (1.1) serves as a heat source (4) or as a heat sink (5) for the at least one heat pipe (2) and / or the at least one flat heat pipe (3); as well as its use in the fields of chemistry, biochemistry, nanotechnology, pharmacy, biology and microbiology, and environmental technology.

The utility model belongs to the technical field of graphite material processing equipment, and particularly relates to a grading impact mill for narrowing the particle size distribution of a graphite material. The grading impact mill comprises a tank body, a feeding hole is formed in the upper end of the tank body, and a discharging pipe is arranged at the lower end of the tank body; a buffer ring structure, a scattering structure and a screening structure are arranged in the tank body from top to bottom; the buffering ring structure comprises a fixing ring and a plurality of transverse rods which are arranged in the fixing ring and distributed in the radial direction. Through the arrangement of the buffer ring structure, raw materials falling to the scattering structure are pre-scattered and decelerated, so that the abrasion to the scattering structure is reduced, and the service life of the device is prolonged.

The utility model discloses an impact mill hammer head with alloy sheets welded on the periphery, and relates to the technical field of crushing equipment. Comprising a smashing disc, a plurality of evenly-arranged hammer heads are arranged on the outer edges of the upper surface and the lower surface of the smashing disc in the circumferential direction, the hammer heads arranged on the upper surface and the lower surface of the smashing disc are evenly arranged in a staggered mode along the axis of the smashing disc, the smashing disc is fixedly sleeved with a stator lining plate, and the smashing disc is rotationally arranged in an inner cavity of the stator lining plate along the axis of the stator lining plate. The hammer head is driven to collide with materials at an extremely high linear speed, the materials are subjected to brittle rupture crushing, meanwhile, shearing force generated by matching of the end, close to the stator lining plate, of the hammer head and the stator lining plate can crush the materials, the first alloy pieces are welded and fixed to the two ends of the hammer head welding body, and the first alloy pieces can improve the abrasion resistance and toughness of the hammer head; and after one end of the hammer head is worn, the other end of the hammer head is fixed by changing the position through the fixing bolt, so that the service life of the hammer head is prolonged.

This invention discloses a starch-plant polyphenol cocrystal, its preparation method, and its application in functional foods, relating to the field of functional food technology. The preparation method includes: S1, mixing starch and plant polyphenols uniformly to obtain a mixture; S2, adding the mixture to a low-temperature impact mill, adding grinding media, and introducing an inert gas into the low-temperature impact mill to subject the mixture to impact treatment, obtaining a cocrystal complex; S3, purifying and freeze-drying the cocrystal complex to obtain the starch-plant polyphenol cocrystal. This invention innovatively uses wheat starch and proanthocyanidins to form a cocrystal structure, resulting in a simpler and more efficient preparation process, eliminating the need for complex physical field treatments or multiple freeze-drying steps, and maximizing the preservation of polyphenol activity. The cocrystal structure endows the carrier with excellent sustained-release performance, enabling long-term release of polyphenols in functional food applications, solving the problems of unstable loading rates and poor sustained-release effects in existing technologies.

A system and method for generating a pozzolanic powder material, or ground glass pozzolan, also referred to as GGP, from silica-based waste materials (recycled glass) wherein at least 90% (±2%) of the pozzolanic particles of the GGP have a particle size of about 20 µm (±2 µm) and / or less. In an embodiment the powder material may have a mean pozzolanic particle size of 5 µm ± 2µm). The system may include an impact mill that incorporates a conical inner liner and corresponding rotor that includes grinding elements; and the inner liner and grinding elements are composed of a ceramic-metallic material. A cementitious mixture according to aspects of the invention including a combination of OPC and GGP may comprise between about 10% to about 25% by weight of GGP wherein least 90% (±2%) of the pozzolanic particles of the GGP have a particle size of about 20 µm (±2 µm) and / or less.

The utility model discloses an impact mill gear ring dismounting structure which comprises a box body, a dismounting opening is formed in the side wall of the box body, a sealing plate is hinged to the side wall of one side of the dismounting opening, a locking plate is arranged on the side wall of the other side of the dismounting opening, the sealing plate and the locking plate are fixedly connected through a bolt, a supporting ring is fixedly connected to the inner wall of the box body, and the supporting ring is fixedly connected to the inner wall of the box body. A grinding disc is arranged in the supporting ring, a supporting cylinder is arranged on the upper portion of the supporting ring, a limiting ring is fixedly connected to the outer side wall of the supporting cylinder, a rolling groove is formed in the outer side wall of the limiting ring, a plurality of balls are arranged in the rolling groove in a rolling mode, and a gear ring assembly is rotationally arranged on the periphery of the limiting ring. By arranging a sealing plate, a dismounting opening and a gear ring assembly, the dismounting opening is opened, locking of the two gear ring unit blocks is relieved, the gear ring unit blocks are taken out of the dismounting opening, dismounting is convenient, and maintenance is convenient; and the friction force of rotation of the gear ring is greatly reduced through the arranged balls, so that the gear ring rotates more smoothly, abrasion is reduced, and the service life of the gear ring is prolonged.

Laboratory mill (1) for grinding material, in particular designed as a cutting mill, impact mill, disc mill, knife mill, impact mill, centrifugal mill, rotor mill, rotor high-speed mill or mortar mill, comprising: a grinding mechanism (4) with a grinding mechanism housing (6) which defines a grinding chamber (18), and with a grinding mechanism rotor (16) which is rotatably driven in the grinding chamber (18) to grind the material to be ground with the grinding mechanism rotor (16) in the grinding chamber (18), wherein the grinding mechanism housing (6) has a material filling opening (26) which leads into the grinding chamber (18) in order to introduce the material to be ground from the outside through the material filling opening (26) into the grinding chamber (18), a drive motor for driving the grinding rotor (16) in the grinding chamber (18), a grinding material feed hopper (28) which opens into the grinding material feed opening (26), such that the grinding material can be filled into the grinding material feed hopper (28) and passes through the grinding material feed hopper (28) and the grinding material feed opening (26) into the grinding chamber (18), while the grinding rotor (16) rotates in the grinding chamber (18), a grinding material filling plunger (40) that can be inserted into the grinding material filling hopper (28), wherein the grinding material filling plunger (40) has a grinding material filling channel (50) through which the grinding material can be filled into the grinding chamber (18) when the grinding material filling plunger (40) is inserted into the grinding material filling hopper (28), wherein the grinding material filling plunger (40) has at least a section of a screw section (52) axially, in which the grinding material filling channel (50) runs in a helical or spiral manner in the grinding material filling plunger (40).

The application discloses a method for preparing low-molecular-weight fucoidan by supermicro grinding, and belongs to the field of food processing. The method directly supermicro grinds fucoidan by using a multi-dimensional swing high-energy nanometer impact mill, and effectively reduces the molecular weight of the fucoidan. Compared with other methods for preparing low-molecular-weight fucoidan, the method adds sodium chloride, mixes and spray-dries to form a hollow structure with hardness and brittleness, the fucoidan is uniformly distributed in the hollow structure, the sugar chains of the fucoidan are broken when the structure collapses and is ground, and thus the molecular weight of the fucoidan is reduced. The method does not need to use fucoidan-degrading enzymes and other chemical reagents, is environmentally friendly, safe and efficient, and has the advantages of uniform product, higher yield, simple process, wide application range and the like compared with known chemical and enzymatic hydrolysis methods, and is suitable for preparing low-molecular-weight polysaccharides of other polysaccharide macromolecules except fucoidan.

The invention relates to the field of flour mills, in particular to an impact type flour mill for grain processing, and solves the problems that impact cutting angles are the same, abrasion is large and long-term efficient flour milling is not facilitated due to the fact that impact components rotating at a high speed in an existing impact type flour mill for grain processing cannot be adjusted. The grinding machine comprises a base, a driving motor, a barrel cover, a mounting disc, a rotating shaft barrel, a grinding fluted disc, an I-shaped disc, a screen barrel, a short hammer head, a rotating frame, a connecting frame, a long hammer head, clamping frames, a driving assembly, a sliding plate frame, a first steel wire brush, an extension assembly, a frame, a circular ring and a steel wire brush ring, the rotating shaft barrel is further provided with a linkage assembly, and the linkage assembly is used for driving the rotating shaft barrel to slide in the clamping frames when the linkage assembly is driven to slide in the clamping frames. The circular ring can be driven to axially slide along the grinding barrel. The device can flexibly adjust the angle of impacting a grinding part, improves the grinding efficiency and effect, can reduce abrasion, and can discharge materials in time and operate stably.

The invention relates to the technical field of asphalt preparation, in particular to a preparation system and method of rock asphalt powder. The crushing part comprises an alligator crusher with a feeding bin, a two-stage crusher and a drum screening machine; a feed port of the two-stage crusher is connected with a discharge port of the alligator crusher, a discharge port of the two-stage crusher is connected with a feed port of the drum screening machine, and a secondary crushing discharge port of the drum screening machine is connected with the feed port of the two-stage crusher; the dewatering part comprises a drum dryer of which the feeding end is connected with a screening discharge hole of the drum screening machine; the grinding part comprises a feeding hole and a gas shunting impact mill connected with the discharging end of the drum-type dryer; and a cooling unit is arranged between an air inlet and an air outlet of a cooling cavity of the gas shunting impact mill. The cooling mode of the air cooling unit is not limited by seasonal temperature, the cooling speed is higher, temperature distribution is more uniform, rock asphalt powder can be effectively prevented from denaturation due to high temperature, and the stability of product quality is guaranteed.

Crushing a mass flow of cut batteries mixed with dry ice granules to obtain a mass stream of cut batteries mixed with dry ice granules and partially sublimed carbon dioxide, which is fed to an impact mill where the mixture of cut batteries and dry ice granules is crushed down to particles (size from 0.5 mm to 2.0 mm), in a gaseous carbon dioxide atmosphere, at a temperature below 40° C. The particles are passed through a sieve and the sieved particles are subjected to further separation in a CO2 atmosphere, at a temperature below −35° C. Thereafter, the remaining anode and cathode powders are collected in a storage container, where the temperature is still maintained below −40° C. in a stream of CO2. The excess sublimed CO2 is directed to a hot storage, from which initially cooled batteries are transferred to a cold storage.

The utility model discloses a kind of hydrogen storage alloy powder preparation uses batch breaking device, including screening shell and impact mill, impact mill is installed on screening shell, the output of impact mill is communicated with screening shell, the top side wall of impact mill is equipped with feed inlet, feed inlet is built-in feed control valve, further include grading screening mechanism, discharge pipe, dust treatment mechanism and back material mechanism, grading screening mechanism is arranged in screening shell, for screening hydrogen storage alloy, discharge pipe is communicated and is arranged on the bottom side wall of screening shell, discharge pipe is built-in discharge control valve, dust treatment mechanism is arranged in one side of screening shell, the hydrogen storage alloy powder preparation used in this batch breaking device is used to solve the problem that the existing technology hydrogen storage alloy powder preparation process needs multiple screening and crushing in the background art, and the problem that the production efficiency is affected by the frequent transfer of hydrogen storage alloy powder during crushing and screening process.

The utility model discloses a kind of supermicro roll press impact mill, it is related to roll press impact mill technical field, including impact mill body, the feed inlet of impact mill body is equipped with sorting mechanism, the side of sorting mechanism is equipped with screening mechanism, screening mechanism includes guide slot, in the utility model, material is successively screened by first filter screen and second filter screen, first filter screen can preliminarily screen larger particle, second filter screen is used to further screen medium particle, smaller particle falls on the inside slope of guide slot, driving motor works and drives rotary disc rotation, rotary push rod movement drives first connecting rod to move, connecting plate and second connecting rod move, drive connecting block and scraper to move, the particle accumulated above first filter screen and second filter screen is scraped, it is convenient to improve screening effect, make the granularity of material entering mill cavity more uniform, it is favorable to improve the consistency of comminution effect and product granularity.

The invention belongs to the technical field of food processing, and particularly relates to nutrient enrichment type low-GI whole wheat flour and a preparation method thereof. The method comprises the following steps: putting wheat grains into superheated steam for inactivation treatment, and performing superfine grinding by adopting a low-temperature impact mill to obtain whole wheat flour; and uniformly mixing the whole wheat flour, soluble polysaccharide, transglutaminase and natural active substances, and grinding by adopting a low-temperature medium mill to obtain the nutrient enrichment type low-GI whole wheat flour. The whole wheat flour, the soluble polysaccharide, the transglutaminase and the natural active substances are jointly ground by adopting a low-temperature medium mill, and the generated mechanochemical effect promotes the interaction among the components, so that the structural properties of the components such as wheat starch and gluten protein are improved; the texture formation of the whole wheat flour in the processing and application process is facilitated, the GI (glycemic index) is reduced, and the nutritional quality is improved.

The utility model relates to the technical field of coffee making tools, in particular to a coffee impact powder hammer which comprises a shell assembly, the shell assembly comprises a main sleeve part and an outer sleeve part which can do relative linear motion, and a guide correction structure is arranged on the main sleeve part and used for being in sliding contact with an impact part when the main sleeve part moves; radial correction force is generated through contact type sliding fit, and the impact part is guided to enter a vertical state; the impact piece is movably arranged in the main sleeve piece, the impact piece is provided with a correction matching part, the correction matching part and the guide correction structure form a radial interference fit relation in the sliding process, and the impact piece is limited in a vertical state; the impact part is located at the bottom of the coffee impact powder hammer, and the bottom end of the impact piece extends into the impact part; the mechanical elastic reset assembly is used for storing energy when the main sleeve piece moves and releasing the stored energy when the impact piece is limited in the vertical state, and the impact piece is pushed to vertically impact the impact part. Therefore, the number of parts is reduced, the structure is simple and reasonable, and the use is convenient.