Archimedean screw for use in conveyors, compactors and similar devices |
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IPC classes for russian patent Archimedean screw for use in conveyors, compactors and similar devices (RU 2436721):
      
 Screw conveyor / 2430006
Proposed conveyor is made up of encased shaft 2 with screw propeller 3 provided with rigid rod 4 arranged along shaft axis. Said rigid rod is twisted to produce lengthwise coils.
 Screw conveyor / 2430005
Proposed conveyor is made up of encased shaft 2 with screw propeller 3 provided with through holes 5 and rigid rod 4 arranged along shaft axis to pass through said holes. Said rod features cyclic profile and may be detached from screw propeller.
 Screw / 2417935
Proposed screw is made up of shaft 2 arranged in casing 1 and fitted with screw blades 3, 4 to produce dual-lead screw. One of said blades is perforated 5. Total area of perforations makes 50% of total area of perforated blade.
 Screw conveyor / 2415067
Screw conveyor contains working member mounted in cylindrical chute. Working member is made in the form of cable strand (2) and consists of central wire (3) and inner layer (4) and outer layer (5) of wires, which are twisted around it in opposite directions. Wires of outer layer have tangential gap (6) between each two adjacent wires, which is more than maximum size of particles of transported goods.
 Self-cleaning screw / 2399573
Screw 5 fitted inside case 1 in shaft 4 has bores arranged all around its edges to receive nylon thread bundles 7 consisting of three parallel threads passed through said bores in triple thread manner.
 Screw conveyor with flexible screw / 2397131
Proposed conveyor comprises flexible screw arranged in cylindrical chute and made up of two coaxial coiled rods. One of said rods represents LH-lay rope strand, while the other is RH-lay rope strand. Every said strand consists of central wire and inner and outer wire layers coiled thereabout in opposite directions.
 Vertical screw conveyor for loose materials / 2369552
Proposed conveyor comprises loading chamber (1) representing truncated cone and allowing unobstructed motion of loading chute (6) arranged along helical line and coaxially with loading opening. It consists of independent sections. Guide chutes are arranged at angles α, β and γ that exceed that of natural slope of carried material. Sections of loading chute are mounted on spring-loaded supports (7). Loading opening is made on cylindrical casing (3). It is perforated along helical line with decreasing clearance, with burring at lower section. There is a flexible element attached to each section of aforesaid chute. Loading chamber has guide (2) mounted at its lower part to feed loose material coming from the chute upper parts on the lowest section.
 Threaded pipe / 2356815
Threaded pipe is made of strip (1), which is bent along bending lines located at an angle to edges of strip rolled into cylindrical turns, which are connected to each other along longitudinal edges (2), with creation of threaded lines and threaded surfaces in the form of pockets along external and internal surfaces. Pockets are arranged in the form of geometric figures of curvilinear shape.
 Long-length auger and method of its manufacture / 2345942
Long-length auger comprises sections serially connected by their ends. Long-length auger is made of sections, external surface of which has turns that form continuous screw line with specified pitch. At that length of surface with turns of every section is not multiple of screw line pitch. Sections are connected by welding to provide specified distance between the first turn of the first section and the last turn of every subsequent section. Flat faces are arranged in end parts of sections for welded seam with provision of cavity in area of turn. Sharp angle top is cut at joined turns by plane that passes from external surface of turn to external surface of billet to produced molten pool in joint.
 Helical conveyor with movable basement / 2343099
Helical conveyor contains driving flexible screw shaft with screw blade mounted in cylindrical trough. Cylindrical trough is made of flexible elastic material with one end secured on drive gear frame and other end installed on moving mechanism with capability of rotation around vertical axle mounted on fork with driving wheels and fork-turning mechanism. Driving flexible screw shaft is made as single-lay rope with three screw blades each of which is strand of double-lay rope leaning by helical spiral against single-lay rope and shaped flexible elastic inserts placed between each two adjacent screw blades.
 Apparatus for drying and packing solid phase of waste water for disposal (versions) / 2431611
Apparatus comprises: a tubular casing (2) having an inlet (4) for the product to be separated, an outlet (5) for the separated solid phase of the product, the liquid phase of which comes out through a filter wall (3) of the casing (2) and a transporting unit (7) inside the casing (2) for moving the solid phase to be packed to the outlet (5), and barrier element (9) at the outlet (5) for contact interaction with the product. In the initial position, the barrier element occupies at least part of the outlet opening of the outlet (5), and under the pushing force created by the packed product, can be elastically deformed to increase the size of the clearing hole of the outlet part. The barrier element (5) is formed by elements deviating from the periphery of the outlet opening of the outlet (5) to its centre and includes elements (11a) having a given degree of elasticity, which alternate with intermediate elements whose degree of elasticity differs from that of the main elements (11a), or alternate with incisions (11b).
 Device to separate solid and liquid phases / 2411058
Invention is designed to separate solid and liquid phases. Device comprises solid and liquid phase separation section accommodating multiple fixed and multiple moving plates arranged between the former and, at least, one screw to pass through aforesaid section. Moving plates allow revolving screw to press thereon to cause their displacement. Said revolving screw displaces initial material to be processed toward solid and liquid phase separation section discharge hole. Sections has gaps to discharge filtrate out. Processed material with reduced content of fluid is forced out through discharge hole into outer part of solid and liquid phase separation section. Section shaft diametre of, at least, one screw section on discharge hole side, gradually decreases toward discharge hole from screw point located along processed material flow downstream of discharge hole whereat processed material is fed into separation section. Lead angle of, at least one screw section, varies from 10° to 30°.
 Method and device for expressing by pressing / 2397870
Invention relates to fluid extract expressing from pressed material. Pressed material is transferred by screw press along pressing path, subjected to pressing pressure and mixed with at least one extragent. The latter is withdrawn together with extract from pressed material. Extragent is added to pressed material with weight fraction making twice as much as that of extract contained in pressed material. Proposed device comprises screw press with screw moving in cylindrical shell. Said press is coupled with at least one extragent feed device and at least one extract collecting device. Said feeding device is communicated with proportioner that outputs required amount of extragent.
 Method of producing of briquettes and installation for briquettes' manufacturing / 2364617
Invention relates to installation and method of producing of briquettes from wastes of vegetable raw materials in the form of sawdusts of husks, peels etc. used in the capacity of secondary raw materials or for burning in domestic and industrial fire chambers. Installation for manufacturing of combustive briquettes, contains case with loading tray, outfitted by agitator, taper chamber, located by converge end to exhaust port, drive compressing arrangement in the form of fixed lengthwise taper chamber of screw with decreased to the side of exhaust port diametre and discharging into exhaust port, outfitted by changeable moulding bush and thermal processing chamber, herewith it additionally contains division mechanism on measured section, installed at withdrawal from exhaust port, implemented in the form of limiter installed with ability of movement and position fixation on guide, fixed on outlet of exhaust port, thermal processing chamber is installed co-axial to exhaust port and taper chamber up to its middle part, herewith screw is implemented at a constant pitch and with changeable end, and agitator is implemented in the form of two specular located driving screws, fixed on walls of loading hopper with ability of blade rotation towards to each other and in the direction, perpendicular to axis of compressing device-screw. Also it is described method of producing of combustive briquettes with usage of this installation. Method includes feeding of vegetable raw materials with humidity 4-12% and breakup 2-10 mm, its compressing, following forming and division, herewith briquettes are additionally thermally treated, herewith formation is implemented continuously and simultaneously with thermal processing, implemented at 150-250°C, depending on type of raw materials, forming briquette of required section, achieved by changeable end of screw and changeable mould bush of exhaust port, after what it is implemented division for measuring sections.
 Installation for and method of muddy water sludge treatment / 2355578
Invention relates to muddy water sludge dehydration and the dehydrated sludge transportation. The installation for the muddy water sludge dehydration comprises a press to dehydrate the sludge, a compacting device to take in and compact the sludge dehydrated by the press, a shredder to take in and reduce the sludge compacted by the compacting device, and a tube conveyor with a conveying worm to remove the reduced sludge from the shredder. The installation is equipped by a control unit to control the conveying worm rotation frequency with the consideration of at least one received performance parametre of the press as well as the sludge reducing shredder operation with the consideration of at least one received performance parametre of the press and/or at least one received performance parametre of the compacting device.
 Universal baler to produce food vegetable oil / 2353521
Invention relates to oil and fat industry and, particularly to food vegetable oil production. Universal baler for producing of food vegetable oil consists of housing, pressing cage, made as set of rings with circular grooves and conveying worm in it. The grooves host circular springs with a clearance to let oil out. Depth of circular grooves and width of circular springs are selected so that the spring cannot pop out of the groove when the pressing cage is assembled. Side surfaces of rings and circular springs are of cone shape and parallel to each other in order to let oil out. Each circular spring is equipped with a lock to prevent toe punching. Side surfaces of the lock are of cone shape as well in order to squeeze the toe out when the spring is pressed. The clearance for oil output is changed when pressure in the pressure cage alters.
 Method of cooking of the food stuff by extrusion / 2293024
The invention is pertaining to the method of cooking of the foodstuff by extrusion. The method provides for reprocessing of the first food stuff having the density from 75 up to 130 g/l in the first section of the extruder, then they reprocess the second food stuff having the density from 75 up to 130 g/l in the second section of then extruder and extrude these two food stuffs through one common or two separate outlet holes. The first and second food stuffs are reprocessed in the opposite directions and as the result of it the food stuffs are moving towards to each other using rotation of one or two augers. The first section has essentially reverse spiral or the reverse spirals, as compared with the second section. According to the method the first and second food stuffs are combined before the extrusion and after that they are extruded through the common outlet hole. The first and second food stuffs may be similar and each of them is reprocessed in the corresponding sections by the similar methods. The first and second food stuffs may be different and each of them is reprocessed in the corresponding section differently. As the result of it the method ensures reduction of friction and abrasion and also the undesirable efforts.
 Press-extruder / 2200663
The invention relates to equipment for processing of agricultural products by extrusion
 Screw press / 2173636
The invention relates to agricultural machinery, in particular to a screw presses, and can be used in sugar mills for pressing liquid from beet pulp
 Filter press for separation of suspensions and pressed sludge / 2162726
The invention relates to a device for separating a suspension into fractions and can be used in agriculture and processing industry, for example for dewatering waste starch production
 Press extruder for manufacture of peat blocks / 2433046
Invention relates to press extruders and may be used to manufacture briquettes for fuel, and also peat seeding containers. The press extruder comprises a frame (1) with brackets (3) for suspension on a power facility, an extruder (3) mounted on it with a hopper (4) to load process material, an auger (5) with an alternating pitch of turns, a drive mechanism with a safety coupling and a reducer. At the same time on an output shaft of the auger there is an end auger (6) with a stem (7) installed in a conical attachment (8). At the same time on the conical attachment at the end there is a gate (12) hingedly fixed, which covers the output hole of the conical attachment with its plane. At the same time the stem of the end auger does not reach the plane of the gate in the covered condition of the output hole of the conical attachment by value A, equal to the thickness of the bottom of the peat block (13). At the same time the gate has a drive with a device for adjustment of the rotation cycle.
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FIELD: technological processes. SUBSTANCE: Archimedean screw (1) is designed for use in a compactor for compaction of mixtures that contain liquid. The screw rotates inside an enclosure structure in the form of a sieve and comprises a shaft (2), with which a spiral (3) and several sections (4a, 4b, 4c, 4d…4n) are connected. One of sections (4b), arranged along with the material flow directly upstream the last section (4a), is made fully of the metal, and the other section (4d) is made of plastic. One of the first sections (4d), arranged in the beginning of the screw, has a spiral section made of softer plastic compared to the plastic, from which spiral sections are made of other plastic sections, or having flexible bristle (6), arranged on its surface, which is most distant from the centre. During screw rotation the soft spiral or bristle enter in contact with the inner wall of the enclosing structure. EFFECT: reduced wear of the sieve with simultaneous provision of proper liquid wringing. 11 cl, 8 dwg
The technical field The invention relates to arhimedova screw used in conveyors, seals and similar devices, i.e. devices that work with materials or mixtures of materials that move or are separated by a screw conveyor, and devices operating with mixtures containing liquid, which should be separated from the solid particles, for example with wet garbage, etc. Especially successfully invention can be used in any device in which the screw rotates within a covering design in the form of SITA and pushes the material that does not pass through the sieve, to the outlet located on the end of the screw conveyor. Background of invention The aim of the present invention is to improve the construction of screws to minimize the disadvantages with the use of screws, such as the formation of plaque on the screw and cover design, clogging of the holes (if any) covering the design, clogging which may occur at the output of the screw, and the problems associated with wear and replacement of various parts of the screw and cover design. The advantage of the invention is to improve the distribution of the product emerging from the terminal end of the screw. Another advantage is estvo the invention consists in the optimization of energy required for operation of the screw, and, respectively, in the optimal use of the drive power required for the operation of the screw. These and other objectives are achieved with the invention described in the attached formula. Disclosure of inventions Other characteristics and advantages of the invention will be better understood from the detailed description, the preferred but not the only possible variants of its implementation are presented in the drawings as an example, not limiting the scope of the invention. In the drawings: 1 schematically depicts a side view of the screw according to the invention, in which some parts removed to better see the other, Figure 2 depicts the Central shaft of the screw according to the invention and Figure 3-8 schematically depict various possible embodiments of the tip of the screw according to the invention. The screw 1, made according to the invention, is typically used in conveyors, seals, drainage machines, mixers, and similar devices and is installed inside the cover design (for example, screens or cover of the casing, which are known and therefore not shown). The screw 1 is known, i.e. rotates inside covering construction and advances along the axis of screw products, transported by the screw or spiral 3 is INTA, wound around its Central axis 2. The screw contains slightly different from each other in sections 4, which can be worn on the Central shaft 2, which forms the axis of the screw and connected with a group of motors (not shown)causing it to rotate. Sections, each of which may be different from other sections of the constructive and functional characteristics, rotate as a unit with the Central shaft 2, which is preferably slotted. At least some sections contain a Central metal sleeve 5, preferably slotted, which is mounted on the Central shaft and rotates with it. The Central sleeve in these sections are sealed in plastic, which made the outer part of the section. Although many sections of the outer part has a helical spiral 3, near the end of the screw has a special section 4A, the outer part of which forms a ledge and which is attached to the terminal end of the screw by either screwing or screwed on with screws, or by means of radial pins or other known means, preferably detachable. This special section is typically used when the screw pushes the material to the outlet, which is often provided with a counter element (not shown), additional sealing material is pushed by the screw. This con is traccia typical, for example, for devices intended for separation of a liquid phase from a mixture of "liquid - solid", in which the liquid phase leaves covering design, equipped with a sieve, and the solid phase is moved by the spiral screw on the outlet. The tip, which is the latest from the shaft section is preferably mounted on the shaft without the possibility of axial movement with respect to it and performs the function of holding the sections of the screw from their descent from the shaft in the axial direction. Depending on the function performed, the tip 4A may have a different shape, as shown in Fig 3-8. According to figure 3 and 6, at least part of the tip is made of expanding that allows you to direct the material to the inner wall covering designs. This creates even more effective "compression" of the mixture coming out of the device. When you have tapering terminal portion, as shown in the drawings, prevents the problems associated with plugging material. Depending on the type of the outlet and the opposing element, the tip may have a different form for delivery of the mixture in the desired area of the outlet. For example, as shown in figure 5 and 7, at least part of the tip may be cylindrical, which allows the output to give the material a tubular shape. As p is shown in Fig.7, the tip can be extended to the end if you want to create an additional obstacle axial movement of the material or to further compress the material, pressing it against the inner wall covering designs. As shown in figure 4, and 8, the tip may have a conical end part, for example, to prevent the escape of material only in the Central part of the outlet. As seen on Fig, tapered portion of the tip may be provided with a peripheral spiral 44, designed for interruption of the flow of material coming from the screw. Tips can be made of metal, plastic, or metal coated plastic. In any case, lugs, regardless of their shape and material from which they are made, not designed to push the material in the axial direction (this is the spiral of the screw), and function only as orientation or direction of flow of the material or to the inner wall covering designs, or to particular areas of the outlet of the screw. For more effective operation of the device rationalize the construction of various sections that form the spiral of the screw may differ from each other. In particular, at least one section 4n (on drawings 4d), located at the beginning of the screw, can the be provided with a projecting flexible bristles 6, located on the crest of a spiral, or helix may have segments that are made of softer plastic than the plastic from which the other segments of the spiral, and thus may have a larger diameter than the inner diameter of the covering structure, which rotates the screw. As a result, when the rotation of the screw bristles or soft spiral come into contact with the inner wall covering design and clean it, which increases the efficiency of the screw. At least one section located in the beginning of the screw, may be provided with protrusions (not shown) on the screw head, which as it rotates come into contact with the inner wall of the covering structure. It also improves the screw, since the protrusions produce shaking covering design, which facilitates its purification. All these "special" section located near the beginning of the screw, where the processed material is more humid and when the movement does not feel much resistance. In the area near the end part of the Archimedes screw preferably, section 4b, in the features section, which is located directly before tip, was made entirely of metal, for the reason that in this zone the material is more dense and therefore creates a load on the spiral of the screw, which can be deformed, if the and is made of plastic. The design of the screw ensures efficient allocation and direction coming out of the screw material and, accordingly, facilitates the final unloading of the material. In addition, special screw design allows for easy and quick Assembly, disassembly and maintenance, even if you want to replace worn or damaged sections of the screw. This is advantageous also in respect of the warehousing of spare parts, the range of which may be limited to only the parts most subject to wear. Next, sections of the screw are different constructive characteristics, so that the screw effectively worked in different zones of the device in accordance with the consistency and appearance of the processed material. The presence in different parts of the screws differ from other sections that can be assembled into a single site that allows you to use fewer material of the best quality for the various zones of the screw. 1. Archimedes screw (1) for use in the sealant for sealing mixtures containing liquid, rotating inside a covering design in the form of a sieve and containing a shaft (2), which are connected to the coil (3) and several sections (4A, 4b, 4c, 4d...4n), which is coaxially mounted on the Central axis, which shaft (2) of the Archimedes screw rotatably her to the party as a whole and each of which has structural and functional characteristics, different from the characteristics of other sections, and at least one of the sections (4b), located along the material directly before the last section (4A) of the Archimedes screw, made entirely of metal and at least another section (4d) is made of plastic, characterized in that at least one of the first sections (4d), located at the beginning of the screw has a plot spirals made of softer plastic than the plastic from which the completed sections of the spiral other plastic sections, or having flexible bristles (6), located on its surface most remote from the centre, however this plot is made so that upon rotation of the screw soft spiral or bristles come into contact with the inner wall of the covering structure. 2. Archimedes screw according to claim 1, wherein said sections of the spiral has a larger diameter than the diameter of the inner wall covering designs, which rotates Archimedes screw. 3. Archimedes screw according to claim 1, in which at least some sections (4, 4d,..., 4n) contain a Central metal sleeve (5), connected with a Central shaft and sealed in plastic, which made the plot spirals (3), located in this section. 4. Archimedes screw according to claim 1 or 2, in which the last section (4A)located in its terminal part, has the form is the PLU g connector and directs the material, floating spiral Archimedean screw, in the direction defined by the shape of the tip. 5. Archimedes screw according to claim 4, in which at least part of the tip is done expanding. 6. Archimedes screw according to claim 4, in which at least part of the tip of the taper cone. 7. Archimedes screw according to claim 6, in which the tip contains a spiral (44)located around the tapering cone part. 8. Archimedes screw according to claim 4, in which at least part of the tip is cylindrical. 9. Archimedes screw of claim 8, in which the tip end of the cylindrical part has an extending end portion. 10. Archimedes screw according to any one of claims 1 to 3, in which at least one of the first sections (4n), located at the beginning of the screw, has projections are made on the most remote from the center of the surface area of the spiral and coming into contact with the inner wall of the covering structure. 11. Packing method of mixtures containing liquid, comprising feeding the mixture in a covering structure made of a sieve and promotion of the mixture along the covering designs using the Archimedes screw according to any one of claims 1 to 10.
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