| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Bead for removing dissolved metal contaminants | US446897 | 1995-05-17 | US5602071A | 1997-02-11 | Bobby L. Summers, Jr.; Lester B. Gress; Warren H. Philipp; Scott B. Eastep |
| A bead is provided which consists essentially of peat moss immobilized by crosslinked neutralized poly(carboxylic acid) binder, sodium silicate binder, or polysulfone binder. The bead is effective to remove metal contaminants from dilute aqueous solutions. A method of making metal-ion-sorbing beads is provided, comprising combining peat moss or other nonliving biomass and binder solution (preferably in a pin mixer where it is whipped), forming wet beads, and heating and drying the beads. The binder solution is preferably poly(acrylic acid) and glycerol dissolved in water and the wet beads formed from such binder solution are preferably heated and crosslinked by radio frequency heating. | ||||||
| 122 | Bead for removing dissolved metal contaminants | US249733 | 1994-05-26 | US5578547A | 1996-11-26 | Bobby L. Summers, Jr.; Lester B. Gress |
| A bead is provided which consists essentially of peat moss or other nonliving biomass immobilized by sodium silicate or polysulfone binder. The bead is effective to remove metal contaminants from dilute aqueous solutions. A method of making metal-ion-sorbing beads is provided, comprising combining peat moss or other nonliving biomass and liquid binder (preferably in a pin mixer where it is whipped), forming wet beads, and drying the beads. The liquid binder is preferably sodium silicate dissolved in water or polysulfone dissolved in methylene chloride. | ||||||
| 123 | Granulated ammonium nitrate products | US59473 | 1993-05-05 | US5395559A | 1995-03-07 | Aida Kaldas; Raymond Oliver |
| A process for the production of explosives grade ammonium nitrate prill (EGAN) comprises the steps of(A). producing seed ammonium nitrate prill as substantially monosized prills; and then(B). fattening using melt/solution of ammonium or mixed nitrates, with drying and thermal treatments, the seed prill in an inclined rotating jacketed pan granulator or a cascade of such pans to produce a final fattened EGAN prill product preferably having at most about 4 mm diameter. | ||||||
| 124 | Method and apparatus for granulation and granulated product | US631249 | 1990-12-20 | US5100592A | 1992-03-31 | Robert E. Sparks; Norbert Mason; Michael Center |
| A method of melt granulation for powdery material is disclosed wherein the powdery material is discharged onto the upper surface of a heated rotary spreader for migration under centrifugal force to the periphery of the spreader accompanying by melting of a portion of the material and enrobing of non-melted particles by the melted material for discharge as enlarged granules from the periphery of the spreader. To improve the quality of the granules produced, the feed material is supplied to the spreader at two separate locations. The first location is the central portion of the spreader to provide the melted material and the second location is adjacent to the periphery of the spreader. The spreader is preferably in the form of a concave bowl or inverted truncated cone or dish. Feed material is supplied to the first location by a screw feeder extending down the side of the dish and at the second location by a rotary vaned distributor located within the dish which radially flings the feed material onto the inclined dish wall. The process and apparatus is particularly useful for the production of non-sticky granules which are difficult to form when a single central feed of material is used. | ||||||
| 125 | Process for the production of molecular sieve granulates | US680601 | 1991-04-01 | US5098448A | 1992-03-24 | Lothar Puppe; Gunter Ulisch |
| A process for the production of silica-bound zeolite granulates is disclosed, wherein zeolite to be formed into a granulate is mixed with silica sol. The process is carried out by adding aqueous alkali metal silicate to the silica sol immediately before the silica sol is mixed with the solid zeolite to be granulated. By the described process, granulates of various grain sizes can be obtained, and the resultant granulates can have a narrow grain size distribution. | ||||||
| 126 | Apparatus for the production of grains according to the rolling layer technique | US362508 | 1989-06-07 | US4973237A | 1990-11-27 | Rudolf Hajou; Erno Horvath; Zoltan Ormos; Karoly Pataki; Andras Szalay |
| An apparatus for the production of grains using the rolling layer technique. The apparatus has a container formed from multiple concentric sections, a truncated cone shaped lower section, a cylindrical shaped middle section, and, at least one cylindrical shaped upper section, and is supported for rotation about the longitudinal axis of the container. The lower section tapers outward from a lower end face plate to an upper end which communicates with the lower end of the middle section to form a transfer port between the lower and middle sections, while the upper end of the middle section communicates with the holed lower face of the upper section to form a transport port between the upper and the middle sections. An annular ridge-like structure exists on the interior surface of the lower face of the upper section, circumferentially surrounding the transfer port. The cross-sectional diameters and the heights of the sections vary relative to each other. The grain forming components in solid or liquid form are supplied by inlet devices to the different sections to produce grains as the apparatus is selectively rotated about its longitudinal axis at a predetermined angle above the horizontal. | ||||||
| 127 | Granular product (I) | US238612 | 1988-08-31 | US4937080A | 1990-06-26 | Curt H. Appelgren; Ulf A. Odda |
| The present invention relates to a granular product comprised of a solid product which has been provided with a coating of a melt of itself, as well as a process for the preparation of the granular product. | ||||||
| 128 | Process for the coating of granules | US213176 | 1988-06-29 | US4935246A | 1990-06-19 | Gerhard Ahrens |
| A process is described for the coating of granules containing wax-like substances, in an apparatus having a rapidly rotating horizontal disk located in a vertical container, in the presence of one or more wax-like substances or a mixture of one or more was-like substances, wherein the wax-like substances in powder form are scattered onto the granules which have been heated until the wax-like substance has softened. | ||||||
| 129 | Method and system for agglomerating particles and/or for coating particles | US194988 | 1988-05-05 | US4895733A | 1990-01-23 | Georgios Imanidis; Hans Leuenberger; Reinhard Nowak; Jurg M. Studer; Stefan Winzap |
| A vessel (1) contains a rotor disc (23) mounted for rotation around a vertical axis (17) and arranged to bound a processing space (31) disposed above it. The agglomeration and/or the coating of particles are accomplished by moving the particles by the rotation of the rotor disc (23) and by means of a gas, in particular air, passed upwardly through the processing space (31) and by spraying them with a liquid. The torque required for the rotation of the rotor disc (23) is continuously measured by means of a torque measuring member (75) disposed between the rotor disc (23) and the drive device (77) arranged to drive the same. The agglomeration and/or the coating operation is controlled on the basis of the time-dependent variation of the torque and/or of the first derivative of the same, and/or of a variable having relation to the torque and/or its derivative. In this way, agglomerated particles and/or particles provided with a coat may be produced, the particles possessing relatively accurately prescribed properties, such as for example particle sizes lying within a prescribed range. | ||||||
| 130 | Process for overcoating granular materials | US154554 | 1988-02-10 | US4857359A | 1989-08-15 | Manfred Groher; Werner Heit; Walter Schmittner; Wolfgang Warzawa |
| A process for overcoating granules with overcoating material in a granulator by providing the inside surface of the granulator, before introduction of the granules, with a layer of the overcoating material in a thickness of 0.1 to 1 mm, maintaining a preset entrainment height of the granules during the granulation process, and adding the overcoating material in the flowing particle bed. The deposited layers are very uniform. | ||||||
| 131 | Particle processing apparatus | US111742 | 1987-10-23 | US4826325A | 1989-05-02 | Akira Iwata; Chosei Harada |
| Herein disclosed is a particle processing apparatus to be used in a wide field including food, medical and chemical industries either for granulating or coating particles on a disk by rotating the disk in a barrel equipped with scrapers or for blending the particles in the barrel by rotating blades in the barrel. The particle processing apparatus comprises: a barrel for accommodating particles to be processed; a disk-shaped rotating member having an outer circumference of V-shaped section and including processing means for processing the particles in the barrel when the rotating member is rotated; rotating means for rotating the rotating member; and an annular bearing member having an inner circumference of V-shaped section for bearing the rotating member in a rotatable manner with a small gap between its inner circumference and the outer circumference of the rotating member. The inner circumference of the bearing member is formed with a multiplicity of air injection ports for injecting therethrough compressed air supplied from the outside into the small gap. | ||||||
| 132 | Directly compressible granular mannitol and method for its manufacture | US786859 | 1985-10-11 | US4661647A | 1987-04-28 | Michel Serpelloni; Patrick Lemay |
| The invention relates to a granular mannitol directly compressible and free from binder, characterized by the fact that its granulometric fraction from 400 to 500 .mu.m has a friability less than 65% in a test A. | ||||||
| 133 | Apparatus for handling heat-softenable batch material | US343057 | 1982-01-27 | USRE31574E | 1984-05-01 | Stephen Seng |
| Apparatus is provided for handling heat-softenable batch material prior to melting it. The batch components are mixed together and then mixed with liquid and formed into balls or pellets of substantially uniform size and shape. The pellets are then collected into a heat-exchange chamber through which hot gases are passed from a melting unit in which the pellets are to be heated to a heat-softened state. The pellets thereby are preheated prior to entering the melting unit to save considerably on energy requirements. A physical characteristic and specifically the depth of a portion of the batch being formed into the pellets is sensed, the depth being related to moisture content. The ratio of the batch material and liquid is accordingly regulated to achieve uniformity in pellet size, which is influenced by the moisture content. Size uniformity is important in maintaining relatively free flow of the hot gases through the pellets in the heat-exchange chamber. | ||||||
| 134 | Discharge arrangement for removing green pellets out of a pelletizing arrangement | US325568 | 1981-11-27 | US4428831A | 1984-01-31 | Rainer Dreier |
| In a discharge arrangement for green pellets a discharge chute and a conveying means arranged below the discharge chute are provided. In order to largely prevent the destruction of the green pellets, to keep the falling height of the green pellets as low as possible and to prevent conveying-belt transfers, a flap is provided between the discharge chute and a green-pellet collecting means. The flap is pivotable between two positions. In a first position it elongates the discharge chute to the green-pellet collecting means and in a second position it is directed transverse to the discharge chute towards a reconveying means. | ||||||
| 135 | Method and apparatus for controlling the proportion of liquid and dry particulate matter added to a pelletizer | US974456 | 1978-12-29 | US4251475A | 1981-02-17 | Eugene C. Varrasso; Richard K. Henry |
| A method and apparatus are provided for controlling the amount of dry particulate matter and liquid added to a rotary pelletizer. A transducer placed within the pelletizer senses a characteristic of the mixed material in the pelletizer. This characteristic may be, for example, the level of the batch or the size of the pellets. The transducer signal is then conditioned to provide a signal level corresponding to a desired characteristic level and which varies about that level corresponding for example to the variations of pellet size about a desired size. That signal is added to a second signal representing the actual liquid flow into the pelletizer or added to a second signal representing actual dry particulate flow into the pelletizer and modulates that respective flow to maintain the input of either the dry or the liquid material into the pelletizer as necessary. Additionally, a set point signal can be provided as a constant signal representing desired dry particulate in flow or liquid in flow. The dry or the liquid signal also can be derived from the respective actual liquid or dry signal by taking a proper proportion of the other signal. Additionally, a method and apparatus is shown for controlling the liquid input to the pelletizer in response to the actual dry material flow into the pelletizer so that the correct proportion of liquid to dry particulate is always maintained regardless of the actual flow. | ||||||
| 136 | Method for controlling the size of pellets formed in a pelletizer | US974418 | 1978-12-29 | US4244896A | 1981-01-13 | Eugene C. Varrasso |
| This invention, is an apparatus for grading pellets produced by a pelletizer from dry particulate batch material and a liquid, as for a melting furnace such as a glass furnace. The pellets are sensed by passing the pellets adjacent a graded passage. When a pellet reaches a graded passage matching its size, the pellet drops through the passage and at the same time actuates a sensor indicating a pellet of that respective size. The sensor is connected to a counting device which then can provide, through an appropriate control device, a count of over or undersized pellets or the pellet distribution. This information then can be appropriately used by the control device to control the amount of dry batch material or the amount of water introduced into the pelletizer and to maintain the pellets within a desired range. | ||||||
| 137 | Pan agglomeration with mechanical pellet classification | US757088 | 1977-01-05 | US4119393A | 1978-10-10 | Glenn A. Heian |
| A strategically located series of spaced apart classifiers set at varying depths within a pelletizer pan operated to classify the forming pellets and also impart controlled energy into the forming pellets producing pellets of improved quality. Controlled classifying of the forming pellets stabilizes pellet output. With a stabilized pellet output obtained the need for driving the pellet pan with a variable speed device can be eliminated since pan rotation can be maintained at a constant speed. | ||||||
| 138 | Process for agglomerating sodium carbonate peroxide | US514529 | 1974-10-15 | US3984342A | 1976-10-05 | Richard E. Hall; Sushil K. Bhalla |
| Strong, stable, free-flowing agglomerates of sodium carbonate peroxide are produced by contacting rotary agitated sodium carbonate peroxide with an aqueous agglomerating solution having a viscosity of at least 30 centipoise and containing less than 20% by weight agglomerating agent. | ||||||
| 139 | Method of pelletizing glass batch materials | US42888173 | 1973-12-27 | US3914364A | 1975-10-21 | ENGELLEITNER WILLIAM H; FLOYD JR SAMUEL B |
| A method of forming raw glass-batch materials into pellets of substantially uniform size and composition on a pelletizing disk comprises the use of silica sand such as Oklahoma sand as mined and heretofore considered too coarse for satisfactory pelletizing by using fine-ground limestone and/or dolomite to provide a mix of the sand and fine-ground ingredient having at least 15% by weight of all particles, on an average, under 325 screen mesh size and at least 25% of all particles under 200 mesh with no material percentage of particles over 50 mesh, wherein all, or most of the NaO equivalent is provided by a concentrated solution in liquid form of caustic soda, highly concentrated solutions being heated above their melting points, with all, or most of the caustic solution, first contacting the mixture of solid particles on the pelletizing disk where it forms an effective bonding medium.
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| 140 | Potash granulation | US3711254D | 1970-02-25 | US3711254A | 1973-01-16 | CORMODE H; MC GOWAN J; KIRBY C |
| PARTICULATE POTASH IS GRANULATED IN A PAN GRANULATOR. THE MOIST GRANULES FROM THE PAN ARE MIXED WITH WARM RECYCLED DRY GRANULES AND TUMBLED IN A ROTATING DRUM WHEREBY THE GRANULES BECOME EQUILIBRATED IN BOTH MOISTURE CONTENT AND TEMPERATURE. THE EQUILIBRATED GRANULES ARE DRIED IN A FLUID BED DRYER AND SIZED BY SCREENING. THE OVERSIZE AND UNDERSIZE GRANULES ARE RECYCLED, VIA A PULVERIZER, TO THE PAN AND THE PRODUCT SIZE GRANULES GO TO STORAGE. THE RECYCLED DRY GRANULES ARE EITHER TAKEN FROM THE DRYER DISCHARGE OR FROM THE PRODUCT SIZE GRANULES GOING TO STORAGE. THE FINAL PRODUCT IS A GRANULATED POTASH OF IMPROVED BULK DENSITY, HARDNESS AND GRANULE SHAPE WHICH IS SUITABLE FOR USE IN BULK BLEND FERTILIZERS.
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