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Method to repair vertical wall of vertical steel reservoir Invention relates to the field of construction, in particular, to methods of repair of a wall of a vertical reservoir, made of steel sheets connected to each other by welded seams into a cloth. The method of repair consists in the fact that prior to installation of repair inserts onto previously marked defect sections of the vertical wall of the reservoir they previously cut process windows along the perimeter of the replaceable area, into which they fix temporary supports inside the reservoir, adapted for future fixation of the new repair insert into a design position. The new repair insert is installed, fixing it with the help of temporary fixing mounting accessories and/or tack welds above the defect section from the external side of the reservoir. The defect section is cut, simultaneously and stage by stage replacing it with a repair insert. |
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Vertical cylindrical tank for storage of liquids and gases In a vertical cylindrical tank including a roof, a vertical wall, a pile foundation with an annular grillage, a flat bottom and a system of flexible elements, behind the vertical wall there located are spatial columns built on broadenings of the annular grillage. A structural covering is installed above the columns. As flexible elements tension bars with adjustable length are used, which are connected to the tank bottom by means of hinges, located with the specified pitch in a plan view and pass through tight guides arranged in the tank roof. |
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Device for mounting roll tanks with stepped assembly joints of wall Invention relates the construction of tanks, more particularly to devices for installation of roll tanks with stepped assembly joints of the wall, made in the form of frame-conductor with two vertical racks and horizontal beams, and can be used during the construction of the rolled vertical steel tanks (VST) with the stepped assembly joints of the wall. Frame-conductor is constructed for installation inside the roll tank. Frame-conductor additionally includes the fixing anchors, disposed perpendicularly to the plane of the frame-conductor and adapted to be mounted on the vertical wall of the roll tank. Frame-conductor additionally includes the mean for moving the fixing anchors relative to the vertical racks and horizontal beams. |
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Reservoir for storage of liquid goods In a reservoir for storage of liquid goods, comprising a wall, a bottom, a roof and foam generator, the reservoir roof is made using fire shields, in each of which a foam generator is mounted, a sight hole with a cover, besides, each shield has a lining area with weakened welded seams, providing for roof opening in case of surplus pressure inside the reservoir. Covers of holes may be combined with a power traction rod with control arranged outside the limits of the reservoir damming-in. Foam generators are equipped with nozzles directed towards the mirror of the product at different angles by height and along circumference of the reservoir to provide for overlapping of foam jets above the surface of the stored product. |
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Assembly and erection of large-sized thin-wall shells Proposed method consists in the following. At enclosed erecting site, one tier of thin-wall shell, closed in plan, is assembled and equipped with design metal structures and hardware as well as couplers of separate tiers to fit them in place to design position. Ring-shape bridle is arranged in operating area of hoisting mechanism to embrace the shell assembled tier. Said bridle is coupled by set of tackles braces secured to said ring at several points with extra upper ring connected with hoisting mechanism. Then, assembled tier is lifted and placed to design place and coupled with appropriate coupling means of adjacent tiers. |
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Unit for safe oil product storage Unit for oil product storage comprises a wall, a bottom, a roof with fire fighting boards, each of the latter is equipped by a foam generator. The foam generators are fitted by nozzles directed to the product surface at different angles, every foam generator is of vortex type and comprises a casing, distributing and directing devices. Every spraying nozzle comprises a housing with an auger installed coaxially in the lower housing part, and a connecting pipe installed in the upper housing part and fitted by a cylindrical hole with a diffuser being axisymmetrical to the housing and the connecting pipe, the auger is pressed-in in the housing to form a conical chamber located above the auger coaxially to the diffuser and coupled to it sequentially. The auger is solid, its outer surface is a screw groove with right or left thread, the end face surface of the auger matches the end face surface of the lower housing part. |
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Horizontal tank on saddle supports Horizontal tank on saddle supports includes cylindrical shell, bottoms and has the following relations of basic design parameters: ratio of distance between the edge of cylindrical shell and axis of saddle support to the length of cylindrical shell is K, multiplied by the tank volume to the power of N, besides K varies from 0.37 to 0.42, and N varies from 0.12 to 0.15. |
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Metal vertical cylindrical reservoir with double bottom for storage of liquid products In reservoir between the main bottom and an additional vertical wall there is a flat circular element and a thin elastic distributing gasket. Stiffening ribs are welded to an additional vertical wall, normally to its surface, and also to edges of the main and additional bottom. |
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Nuclear power plant containment Invention relates to the field of construction, in particular, for construction of nuclear power plant. An NPP containment from pre-stressed reinforced concrete includes a bottom, cylindrical walls and a sloping dome of positive Gaussian curvature, which have metal internal sheets of a containment area made from high-strength steel and cut into assembly blocks. Metal sheets of the containment area are made with thickness of 10-20 mm and have at two sides of the sheet meridional and circular ribs, bending strength of which is 5-20 times higher than that of the sheet, the assembly unit has at both sides of the sheet the contour meridional and circular ribs, bending strength of which is 20-100 times higher than in the sheet, along the contour the sheets of the assembly unit have meridional and circular contour ribs, which are displaced from edges of sheets to the distance, for convenience and reliability of welding, with provision of equal strength and stiffness, in contour ribs there are seats, where high-strength bolts (pins) are embedded, designed for pressing of welded sheets in a gap between contour ribs, to contour ribs strips are welded from high-strength steel, which close seats for bolts. |
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Method of installation of vertical cylindrical capacity made of prefabricated elements Invention relates to the field of construction, in particular to methods of installation of capacities made of prefabricated elements for construction of storage facilities for liquid and bulk materials. Installation of a vertical cylindrical capacity is carried out by sequential installation of panels with hollow ribs, fabrication and installation of support ring elements made of vertical and horizontal stripes, connected in the form of a weld tee discretely fixed with unilateral ribs located from its inner side, are performed. Then, the support ring elements are attached to the panels, moreover they are centred by the middle annular axle of panels. After that, the roof is installed and attached to the support ring elements. In this case the interconnection of the support ring elements is performed via the vertical and horizontal strips. |
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Reservoir with protective wall Reservoir with a protective wall comprises the main inner reservoir designed for storage of a product, including a wall, a bottom, a roof and a protective wall with an attached additional bottom. Between the wall of the main inner reservoir and the protective wall in the bottom part of the space between them there is a device of spatial links installed and fixed to walls, comprising stiffening rings, radial and vertical spacers and diagonal links. |
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Method for construction of reinforced concrete shell and shell Shell includes pre-stressed reinforced concrete wall, rope bundles in ductubes, anchor device where each of rope ends is fixed. The shell is equipped with additional anchor devices fixed uniformly along outer surface of the shell at length of rope bundles. Ropes are placed in a bundle by rows and each row of ropes is fixed in a respective anchor device. Method for construction of the shell is suggested. |
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Conical ribbed dome of cover of vertical cylindrical reservoir Dome roof is formed by coupling two conical surfaces with different angles of inclination of generatrices to a horizontal plane, comprises upper and lower meridional rectilinear ribs, which rest against a lower, upper and intermediate support rings. Circular runs that girdle the dome adjoin the meridional ribs. In points of coupling of lower meridional ribs with an intermediate support ring they install V-shaped braces. A system of cross links is installed in two adjacent sectors of the dome. |
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Storage reservoir for food products with cold accumulation Storage reservoir is made in the form of an underground facility having a chamber for arrangement of products and containing a tank with liquid for cold accumulation and a device for cooling of that liquid in the form of a gravity-assisted heat pipe. The latter has a tight housing filled with cooling agent and containing in-series connected parts being an evaporation zone, a transport zone and a condensation zone located above the ground surface. Peculiar features of the storage reservoir consist in the fact that the chamber on some part of the surface area of its floor has a cavity, in which the above reservoir is arranged. The reservoir is made from elastic material, enclosed in a stiff protective casing and adjoins its inner surface. At that, some part of the gravity-assisted heat pipe, which is its transport zone, passes vertically through the chamber, and a ground layer located above it till connection to the part being the condensation zone. Housing of the gravity-assisted heat pipe in the evaporation zone is made from easily deformed metal and bent along a screw line so that it envelopes the reservoir together with the casing, thus providing cooling of the liquid in the reservoir till its freezing. |
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Structure to hold liquids of large volumes on heterogeneous base Structure for storage of liquids of large volumes on a heterogeneous base comprises a support foundation slab and a reservoir installed on it. The support foundation slab is made with an inclined foot, having alternating thickness with the thickening difference b=0÷1h in the area of the suggested tilt, where the h is the rated thickness of the support slab. The reservoir is installed with displacement of its centre, relative to the centre of the support foundation slab by the value a=0.1÷0.4(D2-D3) towards the side opposite to the direction of the suggested tilt, where D3 - reservoir diameter, D2 - diameter of the support foundation slab. |
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Curb for reservoirs, in particular, round reservoirs, comprises facing elements fixed in a detachable manner on curb elements, with anchoring elements protruding on their side facing away from the curb element, so that after pouring and hardening of concrete the facing elements are adhered to a (concrete) wall after removal of curb elements. |
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Liquefied natural gas underground storage (lng us) Invention refers to underground storage and reservation system of LNG for its accumulation and distribution to the consumer. LNG US is located below the ground level 1 at the elevation preventing the freezing of ground surface at the most long-term estimated storage of LNG. It is blocked off and protected along the perimeter from ground mass with a concrete wall of "wall in ground" type 2. It includes reinforced-concrete tank 5 located at the bottom from compacted ground 3 and heat-insulating intermediate layer 4, which is enveloped on external side surface with soft intermediate layer 6, and on the inner side it is covered with layers of heat insulation 7 and waterproof insulation 8 from LNG. LNG US is equipped with process shaft 9 with pipelines 10, which comes out of reinforced-concrete reservoir to ground surface 1, tight hatches 11 and stairs 12. Top of concrete reservoir is filled with a layer of light heat-insulating material 13. Vertical wall of reinforced-concrete reservoir 5 is made of single-type elements of constant curvature in the form of solid reinforced-concrete units 14 of constant section with surfaces 15 adjacent to each other. Along the perimetre of end surfaces 15 of reinforced-concrete blocks 14 and their centre there made are grooves of rectangular section with tightening horizontal and vertical 18 reinforcement installed in them (vertical 17 and horizontal 18 tightening reinforcement rods). |
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Quakeproof reservoir is arranged from glass plastic. It comprises a horizontal cylindrical body, which includes a shell, its undetachable bottoms, an access door, an instrumentation chamber manhole, nozzles for drain, fill, intake and overflow pipes and an air nozzle. The body is equipped with a system to suppress its oscillations. The system comprises circular, longitudinal and transverse dampers installed inside and outside the body. Side stepped and central dampers are formed with external circular ribs coupled with a shell. Longitudinal dampers are formed by external shaped stringers. Additional dampers are formed by location beds with yokes that tighten them and fix the body position. Transverse dampers are made in the form of baffle plates installed inside the shell in a discrete manner in a staggered order above and below the longitudinal axis of the shell. The body has a capsule-like coating from a resilient elastic material with a deformability extent of at least 300%, for instance, a polyurethane composition, fixed with a body material with a cohesion-adhesion joint. Such reservoir is suitable for ground installation or for installation into soil with a border. |
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Reservoir with aluminium meshy dome roof for storage of oil products under excessive pressure Aluminium dome roof for a reservoir includes a bearing meshy frame made of rectilinear beams joined in assemblies with the help of assembly pads, resting against a steel support ring of a reservoir, a flooring welded from aluminium sheets in the form of a spherical shell and freely arranged on the frame. Between the flooring and the bearing beams there is a gap, where there is a pad installed along lengths of bearing beams. A stop is installed in the centre of the assembly pad. The height of the pad and the support is determined with account of thermal effect of welding at bearing beams. |
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Reservoir for storage of liquid goods In a reservoir for storage of liquid goods, for instance, oil products, comprising a wall, a bottom, a roof and foam generators, the reservoir roof is arranged with application of fire-fighting boards, every of which includes a foam generator, an inspection manhole with a cover, besides, each board has a lining area with weakened welded seams providing for roof opening in case of extremely high pressure inside the reservoir. At the same time manhole covers may be combined by a power traction rod with control arranged outside the borders of the reservoir bank. Besides, foam generators are equipped with nozzles directed relative to the product mirror at different angles at height and along the reservoir circumference providing for overlapping foam jets above the surface of the stored product. |
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Reservoir comprises the following components: a wall, a bottom and a roof, the second wall of a protective reservoir, which is assembled from curvilinear shells, representing steel hollow half-cylinders insulated between each other and the main reservoir and fixed to each other by steel ribs - stiffening ribs. The space between walls is also used to store a product as the main reservoir. |
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Cylindrical container for malt sprouting and drying Invention relates to method of fabricating cylindrical container on the basis of melting box or drier box, in particular, by jointing some wall elements. Note here that wall sections extending over the entire length of cylindrical container, in particular, with flat inner surface, are mounted continuously along circumference and jointed, in particular, by threaded joints, together and with the base. Note here that prior to mounting said wall sections, circular line is drawn on said base starting from start point on said circular line and markers of segments along circumference are marked to designate preset position of wall section edge after definite quantity of wall sections. After mounting definite number of wall section and screwing off thread joints, starting from aforesaid start point, reduced size is measured. Said reduction represents deviation of the position of last wall section edge of definite number of wall section. In case said reduction makes, at least, threshold size deviation, liner from sheet material is secured to the edge of the last wall section. Invention covers also cylindrical container and wall segment for fabrication of the latter. |
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Method to erect high all-steel cylindrical silos for construction of grain elevators Method to erect a silo wall of two links arranged concentrically with a gap includes assembly of a roof on the upper end of an inner link, and a conical element on the lower end. A stiffening ring is fixed on the upper end of an outer link in the form of a cylindrical ring with a conical canopy inclined as on the conical element. Grips that fix the link in the design position are fixed on the periphery of the conical element. The inner link assembled with a section of gallery and the equipment is lifted into the design position by means of compressed air pressure. The vertical lift is ensured by retaining ropes fixed to the lower end of the link, which are pulled with a force that is less than the lifting force, due to the fact that they are pulled through a system of angle pulleys on the foundation and are fixed to the plough-frame. The plough-frame is installed at the end of a rectilinear channel cut in radial direction in the soil and is equipped with hingedly fixed wings opened with the help of a screw device. |
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Storage includes reservoirs that are triangular in plan, walls of which are arranged of volume blocks placed in rows with mutual displacement along height. In non-contour units, volume blocks are joined in threes by their corners. Along contour storage is equipped with spacer elements that are rectangular in plan. |
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Metal reservoir of large volume for storage of hydrocarbons Metal reservoir includes wall and bottom connected to each other with the help of compensation element. Compensation element is arranged in the form of circular parabola-shaped element arranged strictly vertically between wall of reservoir and circular stiffening rib fixed tightly in circular direction at reservoir bottom and having working height h, which is three times more than diametre d of circular parabola-shaped element. Circular parabola-shaped element by its upper ends is also absolutely tightly fixed in circular direction accordingly on stiffening rib and vertical wall of reservoir. |
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Invention can be used in agriculture for drying and storing grain cultures. Proposed method consists in that loading and unloading of loose material is performed by gravity feed. Note here that there are chutes, vent tubes, storage and hopper inclined bottoms arranged at an angle that allows gravity feed. Note also that storage tanks are loaded and discharge in whatever order, but, to prevent avalanche formation, unloading is initiated starting from the tank top. Collectors and branch pipes are intended for distributed loose material by gravity feed. |
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Storage comprises central and peripheral bodies, cover with loading device and conical bottom with opening installed with interval along height and along full interbody gap - funnel-shaped groups of annular shelves, which are matched with joints to each other and with intershelf gap. Shelves of each group by their joints are matched with peripheral body and by additional joints - to certain according shelves of neighboring groups. Central and additional identical shelves of set on central body are installed with the possibility of reciprocal displacement in vertical direction by means of contact of annular thrust arranged on the side of internal opening of shelves, with movable head-grip, which is connected to drive. |
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Method for increase of steel vertical cylindrical reservoir capacity Invention is related to the field of construction and may be used in reconstruction of steel vertical cylindrical reservoirs. Method includes reservoir cutting by long cut into two equal semi-cylindrical parts, which are serially turned relative to initial position by portion of required common angle of mutual turn, which does not exceed 180°, and in space produced, bottom section is installed together with identical semi-cylindrical wall shells with radius equal to initial one. In points of shell connections, stands are installed on separate foundations, then roof is finished. |
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Manner of installation of capacity from prefabricated elements Manner of installation of the capacity from prefabricated elements presupposes building of a circular footing of precast units with embedded circular plate, assembling of shield-like elements, manufacture and installation of support elements, fastening all the elements. Capacity is assembled by consecutive installation of short and long support elements, made as plate sheet roll-formed angles, width whereof equals two widths of the wall of shield-like elements, bent along the perimetre of the cross section of the shield-like elements. Short support elements adjoin shield-like elements on the inner side of the latter; and long ones on the outer side, whereat support angle-shaped elements with one shelf are fastened to shield-like elements, and with the other shelf to embedded parts of footing. |
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Metal mesh dome of oil or oil product storage tank Metal mesh dome of tank includes horizontal support ring at the top of tank and thin sheet metal decking. Support units including cover plates and gusset plates are attached to horizontal support ring. Dome features polygonal devices, each comprised of long and short profiled elements with lower L-shaped flange and upper T-shaped flange, connected in sequence along the perimetre of device. Decking is attached to upper T-shaped flanges. Lateral sides of upper T-shaped flanges of long profiled elements of adjoining polygonal devices are welded together, while upper T-shaped flanges of short elements are welded together over metal discs laid over upper T-shaped flanges and lower L-shaped flanges of short profiled elements. Upper T-shaped flanges of long elements and upper T-shaped flanges of adjoining short elements are welded to horizontal support ring over support units comprised of support cover and gusset plates. |
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Cylinder-shaped reservoir for oil products storage Reservoir is mounted on a foundation and consists of a tapered bottom, a body wall, a floating roof with a rim seal, a receptor-and-dispenser unit, a drainage unit and a device for bottom sedimentation washaway. The receptor-and-dispenser unit is mounted inside the foundation in immediate proximity to the bottom taper base; the drainage unit and the device for bottom sedimentation washaway are mounted below the bottom taper vertex; the floating roof design provides for maintenance of technological clearances between the roof and the reservoir top edge and between the roof and the bottom taper vertex when the roof is in the uppermost and lowermost positions accordingly. |
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Invention is related to the field of metal cylindrical container construction for storage of loose materials, mostly under conditions of soft, collapsible and swelling soils. Metal cylindrical container comprises wall and stiffening ring resting on annular foundation. Stiffening ring is made of open section torus-shaped shell with horizontal annular gap equal to B (B≥2r, where r is radius of torus-shaped shell curving), inside of which transverse stiffening ribs are discretely installed with pitch of 10r. Torus-shaped shell is fixed by its convex side to wall end, and by its opposite side - to foundation. Torus-shaped shell is aligned with annular axis of wall. Besides stiffening ring may be filled by material, for instance by fine-grained concrete. |
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Invention is related to the sphere of construction, in particular to storages for loose materials. Storage for loose materials includes walls. Walls are made of volume blocks installed in rows with mutual displacement. Blocks have internal cavities and console sections. Blocks create main reservoirs with additional reservoirs installed around them. Additional reservoirs are created by internal cavities of blocks. Blocks are joined with creation of interblock spaces. Console section of every non-contour block serves as common wall of main reservoir and interblock space. Every non-contour block borders with three main reservoirs and one interblock space. Ends of console sections are joined with console sections of adjacent blocks at their internal cavities from the internal side of console section. |
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Method to increase steel vertical cylindrical tank capacity Method involves separating upper tank wall part from lower one under upper edge of the first extension section for joint width by horizontal cut operation; mounting extension section; welding joints and lifting upper wall part with roof and with the first section for fixed position with the use of compressed air; mounting, jointing and lifting next sections to provide necessary tank volume. Each section includes a number of belts. |
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Method for cylindrical body production and montage Method involves manufacturing flat blank made as wide band and strip air-tightly connected to band surface; shaping the blank to form cylindrical body by rolled blank bending in folding machine and connecting overlapped longitudinal blank edges with each other; reinforcing ready body with stiffening ribs; forming hollow stiffening ribs by strip and underlaying band section deformation. Rolled blank is bent through 63° to horizontal body axis. Hollow rib ends at rolled blank edges are created in flexible releasable members, which are sealed to strips and underlying band sections. |
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Method to increase vertical cylindrical steel reservoir capacity Method involves cutting reservoir in longitudinal direction into two semi-cylindrical parts; rotating the first part with respect to another one through 90° angle; mounting bottom section and two semi-cylindrical walls in space defined by semi-cylindrical reservoir parts, wherein the semi-cylindrical walls are identical to existent ones; installing posts carried by independent foundations in reservoir components connection areas; mounting complementary roof members. |
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Dome-shaped aluminum closure for reservoir Closure comprises spacing ring fastened to reservoir wall and inner and outer holding struts including straight members. Closure also has annular beams and outer annular beam. Each holding strut has the first end rigidly secured to joint covering member and the second end pivotally connected to rod. Inner strut and outer annular beam members are fastened to joint covering member. Rod is installed in holder welded to bearing stiffening ring so that the rod is transversal to holding strut. |
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Composite metal vessels assemblage method Method involves mounting sheet-shaped members with cantilevered vertical end ribs; producing and installing additional vertical members with opened profiles; fastening all members by serial installation of narrow and wide additional members, wherein narrow additional members abut longitudinal edges of sheet-shaped members with symmetric cantilever parts and wide additional members overlap the cantilever parts. Space equal to three additional member thicknesses is defined between cantilever parts of sheet-shaped members. Sheet-shaped members having non-symmetric cantilever parts are installed in alternating odd-numbered and even-numbered mode. |
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Upright steel reservoir comprises bottom installed on ring-shaped foundation supported by earth-filled bed. Bottom comprises lower and upper diaphragms. Upper diaphragm includes flexible or corrugated inserts, namely rings and pipe adapted to fill gap between the diaphragms with liquid. |
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Method to prevent corrosion of outer reservoir bottom surface Reservoir is installed on ring-shaped foundation made on earth-filled bed impregnated with waterproofing agent. Method involves forming seal along reservoir bottom perimeter with sealant and communicating free space of earth-filled bed located in area adjoining reservoir bottom with atmospheric air. |
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Large reservoir for oil product storage Reservoir comprises wall and bottom connected one to another by compensating member. The compensating member is made as concave corrugated annular member. Partition made as vertical stiffening rib is installed in parallel to wall in air-tight manner so that annular gap is created between the wall and the partition. The gap is filled with elastic rubber oil-resistant material. Cavity between concave annular member, wall and bottom is filled with degassed incompressible liquid and with nonfreezable liquid. Roller frictionless bearings are installed from outer side along the full wall perimeter. Vertical annular stiffening rib is located beyond the bearings so that the stiffening rib, the bearings and the wall define annular gap filled with rubber sealant and then with elastic oil-resistant member. |
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Vertical cylindrical reservoir assembling device Assembling device comprises template, erecting cabin, template wheels, reinforcing transversal truss, rigid ties, bearing unit installed in geometrical reservoir axis, counterweight, sheet lifting mechanisms, mechanisms for sheet fixing and sheet end bending. The sheet fixing mechanism comprises clamps, pressing beams and substrate plates. Sheet end bending mechanism comprises pressing beams, substrate plate and stop. |
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Method involves preparing building site and ground base; mounting reservoir and performing hydraulic tests thereof. Reservoir mounting is performed in several stages. At the first stage reservoir is built without stationary metal bottom, has projected edges and is provided with temporary flexible bottom air-tightly pressed against projected edges with the use of pneumatic system. After that preliminary hydraulic tests are performed by filling reservoir with water. At the second stage temporary flexible bottom is demounted after complete ground base compaction, deformed ground base is smoothed up to reaching design mark by filling the formed cavity with filling material. Then waterproofing material is applied to smoothed base, permanent metal bottom is formed and the ready vessel is subjected to final hydraulic tests. |
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Method and device for cylindrical reservoir erection by top-down construction method Method involves forming building site at reservoir base, wherein building site is provided with fixed rotary jib crane and unloading racks and is adapted for stacking sheet and other blanks; building foundation by outer gantries of lifting means near reservoir foundation; moving sheets for reservoir wall belts by means of hoists displaced along monorails suspended by consoles of lifting means gantries along reservoir perimeter, wherein sheets are conveyed to hoist areas by narrow-track trolley; mounting reservoir wall belts, wherein all belts besides lower one are mounted on main boom of lifting means with the use of checkpoints and cross-arms which direct the belts along inner reservoir radius, lower belt is mounted on reservoir bottom; mounting plates on the first upper reservoir wall belt after lifting two belts having fixed roof, inventory scaffolds installed on consoles of outer and inner lifting means gantries along reservoir perimeter with the use of hoists. Lifting means gantries are arranged in pairs on common frame inside and outside the reservoirs. Each gantry includes pusher and two posts formed as paired ratchet bars and coupled one to another by upper tie. Upper pusher end extends through upper tie and is fixed by guiding finger to prevent rotation thereof around vertical axis. Each gantry is provided with slider. Main booms are suspended to sliders of inner and outer gantries so that main boom positions may be adjusted in vertical plane. Cross-arms having curvature radius equal to inner radius of reservoir wall are installed on main booms so that cross-arm positions may be adjusted in horizontal plane. Length -adjustable consoles are connected to upper tie and provided with bearing rollers, monorails for hoist movement along reservoir perimeter are suspended to central part. |
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Dome-like roof assemblage is performed on reservoir bottom. Method involves temporary welding suspension members to stiffening ring of the dome; engaging suspension members with load-handling consoles of hoisting units; lifting the roof by hoisting units through height of one belt along marking catchers; mounting the first belt from top thereof; lifting roof with the first belt through height of one belt; mounting the second belt and performing erection of all wall belts in accordance with above succession of operations; welding the last belt to bottom. Device for reservoir building comprises hoisting units, posts with braces and load-handling members. Hoisting unit is formed as worm-and-worm pair with reducer and electric drive. Power worm is vertically arranged on thrust bearing and journal bearing inside the post, wherein lower part of power worm with worm-wheel of the reducer has spline joint. Post is made as a tube with longitudinal slot to displace load-handling console fixedly connected with force nut. The nut is moved upwards and downwards by power warm in the post, wherein lower post side is fixed to frame of the device. |
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Repair method for metal reservoir Method involves lifting reservoir at design level, cutting reservoir bottom along perimeter thereof so that cutting line is spaced a distance equal to reservoir rim width from reservoir walls; marking reservoir for following forming windows, wherein marks are located at a distance equal to integer number of widths of rolled sheet used for reservoir rim forming; lifting reservoir wall up to reaching the design level; installing composite fixed supports under reservoir wall in gap between window marks near lifting jacks; cutting out the marked windows and performing repair of reservoir bottom rims; reconstructing foundation; removing reservoir from supports; removing lifting jacks; performing further reservoir repair between previously repaired areas; repeating all repairing operations for another reservoir areas up to repair completion. |
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Oil products storage reservoir Proposed oil storage reservoir contains oil products inlet and outlet branch pipes. Inner surface of reservoir is provided with protective film whose upper part is furnished with float union to pump in inert gas, and valve to discharge vapor-air mixture, and lower part is provided with fastening plate for fixing film to wall of reservoir and lip installed over oil products pump out branch pipe preventing pulling of protective film into reservoir when pumping out oil products. |
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Liquid ammonia storage facility Storage facility comprises vessel for liquid ammonia receiving and storing mounted on reinforced concrete panel and ammonia leakage prevention means. Ammonia leakage prevention means is made as reinforced concrete sarcophagus formed around panel perimeter and linked by gas channel with at least one absorber for monoammonium phosphate obtaining. |
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Silo comprises wall covering made of panels and frame-forming channel members secured to corresponding sides thereof. Channel members may overlap opposite side of adjacent panel of their row in vertical direction and upper side of lower row panel in horizontal direction. Panels of each next layer are displaced relative that of previous row by overlapped part width. Vertical post section installed on inner panel side is connected with two independent air duct sections which are joined by common plane of connection to panel. Lower parts of air ducts may be rigidly connected with upper parts of air ducts of lower layer or movably joined with that of foundation. |
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Composite reservoir wall production and assemblage method Method involves forming composite members having two semi-cylindrical grooves on vertical and horizontal ends thereof; installing composite members in design position, laying reinforcing bars in formed cylindrical orifices; bringing reinforcing bars together at wall ends; filling cylindrical orifices at joints with fine concrete mix. Blocks are laid on reservoir bottom in horizontal rows. Cement-sand waterproof expansible concrete is used for joint filling. Concrete mix is poured with the use of concrete pump after forming each 4-5 layers. Vertical deformation restrictors are put on vertical reinforcement bar ends after concrete placing operation finishing. The restrictors are removed from reinforcement bars before laying next layers. |
Another patent 2550818.