Vertical cylindrical tank |
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IPC classes for russian patent Vertical cylindrical tank (RU 2206687):
     
 The reservoir for the liquid, provided with a reinforcing and sealing coating, and method of its manufacture / 2174914
The invention relates to a technique or repair of tanks for liquids, in particular tanks water towers
 Vertical cylindrical tank / 2143048
The invention relates to the field of construction, in particular to the tank design
 Store petroleum products / 2114264
 The method of manufacture and installation of tanks from ruanruan panels / 2083783
The invention relates to reserveratrol and allows to improve the quality and reduce the complexity of installation of the tanks produced by the method of rolling
 Steel tank for the storage of oil and oil products / 2069727
The invention relates to the field storage of oil and oil products
 The storage tank legisprudence liquids / 2032052
The invention relates to storage tanks legisprudence liquids, such as petroleum products, and can also be used for storing grain and other bulk materials
 The method of construction of tank farms / 2028443
The invention relates to reserveratrol, in particular for the construction of tank farms with a large number of tanks
 Vertical cylindrical tank for storing oil and oil products / 2022112
The invention relates to reserveratrol, in particular, to the design of floating roof tanks for the storage of oil and oil products
Vertical cylindrical tank / 2143048
The invention relates to the field of construction, in particular to the tank design
 A tank device for drainage of storm water with floating roofs / 2131836
The invention relates to tanks for storage of petroleum, petroleum products and other liquids and is designed to remove storm water from floating roof tank
 Weir floating roofs of tanks / 2120902
The invention relates to the field of pipelines, in particular for the construction of tanks with floating lids
 Weir floating roofs of tanks / 2119880
 Weir floating roofs of tanks / 2109669
The invention relates to pipelines, in particular for the construction of tanks with floating roofs
 Device for draining storm water floating roof tank / 2060917
The invention relates to the construction of storage tanks for oil and other products, namely, devices for drainage of storm water floating roof tank
 Oil tank roof, floating / 2339562
Roof is made undulating with radially positioned rundown chutes of oil tank. Reliable atmospheric precipitation drawoff excludes floating roof submergence because of atmospheric precipitation accumulation in oil-product and foreign objects in oil storage by means of creation the reliable drawoff for drain flows allowing for even lowering of oil tank cover onto drain hoses.
 Tank for oil products / 2444469
Invention relates to design of tanks and may be used in petrochemical and oil processing industries. Tank water drain system comprises stationary vertical made up of perforate pipe with its stopped bottom face tightly attached to tank bottom and drain pipeline while perforated section passes through water receiving bowl of floating roof. Note here that vertical perforated part is encased in corrugated shell with its top branch pipe rigidly secured to the wall of aforesaid bowl while bottom branch pipe is rigidly secured to post, right below said perforations.
 Storage structure for liquid hazardous materials / 2245975
Structure includes pit and reservoir with hazardous material to be stored arranged in pit. Reservoir is made as elastic water-proof bag. Pit walls and bottom are waterproofed. Pit has width L ≥ 4R and depth H ≥ 3R. Pit is filled with water up to H-h level, where h is unfilled pit part height. Volume of unfilled pit part exceeds reservoir capacity volume. Reservoir is floating in pit and spaced a distance from walls and bottom thereof. The distance is not less than reservoir radius R. Reservoir is connected to pit walls by flexible ties or netted system to provide control of reservoir location inside the pit.
 Reservoir foundation / 2247193
Foundation includes ring-shaped foundation member located under reservoir walls and base formed as a row of piles driven in ground and connected by ring-shaped end cross having cuts. Reservoir bottom center includes plate with levers located in ring-shaped end cross cuts and connected to ring-shaped foundation member by rods.
 Oil products storage reservoir / 2256594
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.
 Reservoir construction method / 2264504
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.
 Large reservoir for oil product storage / 2270904
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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The invention relates to the field of construction, in particular to the storage of oil and oil products in vertical cylindrical storage tanks. The design of the tank includes a bottom wall, double-deck floating roof with shutter and waterways and retractable ladder. The tank is equipped with a heat source for heating the internal cavities sealed boxes double-deck floating roof. The heat source includes a boiler, inlet and outlet piping, heating appliances that are installed in sealed boxes double-deck floating roof. The heat source is connected heaters placed on the waterways. The technical result of the invention: improving the reliability of floating roof tanks in areas with a large number drawn snow. 4 C.p. f-crystals, 7 Il.
The invention relates to reserveratrol, namely floating roof tanks for the storage of oil and oil products.
Known reservoir for storage of petroleum products, comprising a vertical casing, consisting of a bottom and walls, oddechow floating roof seal around the perimeter in the form of a gate, a drain system in the form of a hinged flood gates and cepedianum ring and radial pipelines on the outer surface of the floating roof (see inventor's certificate SU 1565768 A1).
The disadvantage of this technical solution is localized placement of thermal element in the Central part of the floating roof. At the periphery of the floating roof remains still not melted snow, which contributes to the freezing shutter and impedes the safe operation of the vessel.
Also known vertical cylindrical tank with agnodice floating roof, which is above the intake of the discharge of water floating roof installed toroidal heater, connected to a steam line, and provides the ability to move toroidal heater on the surface of the floating roof (see: inventor's certificate SU 1406067 A1).
The disadvantage of this technical solution are the following.
1. At negative ambient temperatures by moving toroidal heater on the surface of the floating roof, we cannot ensure the complete removal of snow and ice deposits with a floating roof, as the water formed by the melting of snow or ice deposits at the location of the toroidal heater will again freeze, draining to the intake.
2. The direct influence of steam on the design of floating roof, sementi shutter and floodgate.
The closest in technical essence of the present invention is a vertical cylindrical tank for storing oil and oil products, including plate, wall, double-deck floating roof with shutter and floodgate and retractable ladder (see Section 3. Rules for design of vertical cylindrical steel storage tanks for oil and oil products (PB 03-381-00). -M.: Gosgortekhnadzor, 2001.-168 C.)).
The disadvantage of this technical solution is that in areas with a large number drawn snow hampered the normal operation of the tank due to primerzanie shutter floating roof to the tank wall and education, a significant roll of the floating roof when unilateral snow deposits. Therefore, a normative document PB 03-381-00 in paragraph 3.8.1 restricts the use of such tanks only for areas with normative weight of the snow cover at 1 m2the horizontal surface of the earth up to 1.5 kPa inclusive.
The present invention aimed at solving the tasks to ensure operational reliability of vertical cylindrical tanks with floating roof for storage of oil and oil products in areas with a large number drawn snow.x and ice deposits, as they accumulate, due to the uniform heating of the surface of the floating roof warming up the shutter and waterways to positive temperatures, ensuring the preservation of corrosion protection structures floating roof and non-metallic elements of the shutter and waterways.
This technical result is achieved in that a vertical cylindrical tank for storing oil and oil products, including plate, wall, double-deck floating roof with shutter and at least one floodgate and retractable ladder, equipped with a heat source for heating the internal cavities sealed boxes double-deck floating roof; vertical cylindrical tank, the heat source includes the boiler room, located outside the tank, the inlet pipelines to supply non-freezing liquid coolant from the boiler to the radiators installed in sealed boxes double-deck floating roof and the outlet pipe for returning the coolant from the radiators to the boiler; vertical cylindrical tank inlet and outlet pipelines laid on katoucha the stairs and include sections of flexible conduits, one of which is located the e to the source of heat is additionally connected heaters, posted on the waterways.
Another technical result of the invention is the reduction in capital expenditure on the construction of the reservoir and cost of operation by reducing the required capacity of the boiler in a heat source for heating the double-deck floating roof tank.
This technical result is achieved in that in a vertical cylindrical tank heaters installed in double-deck floating roof by several independent groups with providing independent zones of its heating.
The invention is illustrated by drawings, where Fig.1 shows a vertical cylindrical tank with a floating roof in section; Fig.2 is a view As in Fig.1; Fig.3 - detail B in Fig.2; Fig.4 - plan-b In Fig.1; Fig.5 - view of G in Fig.4; Fig.6 is a detail D in Fig.5; Fig.7 - section E-E in Fig.6.
Vertical cylindrical tank for storing oil and oil products includes a bottom 1, wall 2, double-deck floating roof 3 and a shutter 4 and 5 and waterways retractable ladder 6. Outside the tank boiler is 7 associated inlet 8 and outlet 9 pipe with heating devices 10 installed in sealed boxes 11 Duchesne side element 13, which is the shutter 4, and near the intake 14 of the floodgate 5. When this heating devices 10 placed in such a way to ensure uniform heating of the surface of the upper deck 12 and the on-Board item 13 double-deck floating roof 3.
In double-deck floating roof 3 heating apparatus 10 is installed by three independent groups, located within the respective independent heating zones 15, 16 and 17. Each independent group of heaters 10 is connected the inlet 18 and outlet 19 of the pipe with the inlet 8 and outlet 9 pipelines.
The inlet 8 and outlet 9 pipelines laid on katoucha ladder 6 and include sections of flexible conduits 20 and 21, located in the upper part katoucha steps 6 and sections of flexible conduits 22 and 23 located in the lower part katoucha stairs 6. In places the suspension flexible conduits 20 and 22 to the inlet pipe 8 and the flexible conduits 21 and 23 to the discharge pipe 9 is installed swivel 24.
The heaters 25 are placed under a heat insulation 26 on the area waterways 5, located in the outside wall 2, and is connected with the inlet 27 and outlet 28 of pipelines respectively to lead the all inlet and outlet pipes, located outdoors, is insulation. Insulation can also be performed on the partitions 29 double-deck floating roof, separating the zone of its heating.
If negative, the temperature of the product stored in the tank to reduce heat loss during the heating double-deck floating roof on its lower deck is the insulation and to ensure the smooth flow of water with a double-deck floating roof on the area waterways, located inside the tank, can be made with thermal insulation, under which is placed the heaters of the waterways.
The variant of the device of additional waterways in double-deck floating roof with a temporary disconnection of the main waterways to drain additional waterways of melt water in the winter directly to the bottom of the tank, with subsequent removal together with produced water, which is separated from the product storage tank and accumulates at the bottom.
Heated in the boiler room 7 non-freezing liquid coolant is supplied through the inlet 8 and the inlet 18 of the pipes in the heating devices 10 installed in sealed boxes 11 double-deck floating roof 3. From heating when technoi floating roof 3, and abstraction 14 floodgate 5. The cooled liquid freezing coolant is returned from the heating devices 10 through outlet 19 and the outlet 9 of the piping in boiler 7.
Due to the heating of the upper deck 12 melting snow and ice deposits, located on the double-deck floating roof 3, and the resulting water flows over the heated surface of the upper deck 12 in a hot water 14. From the heated side of the element 13 is heated, the shutter 4 by melting snow and ice deposits on him, with the water flow to the intake 14. Due to the removal of snow and ice formations with shutter 4 is eliminated the possibility of its primerzanie to the vessel wall.
Heating zones 15, 16, 17 double-deck floating roof 3 is made one by one, starting with the zone heating where more snow or ice deposits. After removal of snow or ice deposits in the heated zone of the heating stops. Heating other areas is similar to that previous to the complete removal of snow or ice deposits with double-deck floating roof 3.
When moving vertically double-deck floating roof 3, following a change of product level in the tank sections of flexible conduits 20 and 21 to the inlet 8 is nice 6 and the wall 2 of the tank, and lots of flexible pipes 22 and 23 in the lower part katoucha steps 6 compensate its horizontal movement and the change of angle between katusa ladder 6 and double-deck floating roof 3.
The heating section of the waterways 5, located to the outside of the wall 2, is at negative ambient temperature to ensure the smooth flow of melt water with double-deck floating roof 3 waterways 5.
The present invention can be used in the construction of new vertical cylindrical tanks with floating roof for storage of oil and oil products, as well as the renovation of existing tanks by installing on tank heat source and installation of double-deck floating roof, suitable for heating.
The use of the present invention will be used in the construction and reconstruction of tanks floating roof tanks in areas with any number drawn snow, so it is possible to remove the restriction specified in the normative document PB 03-381-00, about the use of tanks with floating roofs only in areas with normative weight of the snow on the 12the horizontal surface is formed, and in operation of reservoirs in areas with regulatory snow load, no greater than 1.5 kPa, improve the operational reliability of such tanks by eliminating the possibility of primerzanie shutter to the vessel wall and the rolling of the floating roof when unilateral snow deposits, characteristic of floating roof tanks.
Claims 1. Vertical cylindrical tank for storing oil and oil products, including plate, wall, double-deck floating roof with shutter and at least one floodgate and retractable ladder, characterized in that it is equipped with a heat source for heating the internal cavities sealed boxes double-deck floating roof. 2. Vertical cylindrical tank under item 1, wherein the heat source includes the boiler room, located outside the tank, the inlet pipelines to supply non-freezing liquid coolant from the boiler to the radiators installed in sealed boxes double-deck floating roof and the outlet pipe for returning the coolant from the radiators to the boiler room. 3. Vertical cylindrical tank under item 1 or 2, characterized in that the heating devices installed in double-deck poetically cylindrical tank under item 1 or 2, characterized in that the inlet and outlet pipelines laid on katoucha the stairs and include sections of flexible conduits, one of which is located in the upper part katoucha stairs, and the other in its lower part. 5. Vertical cylindrical tank according to any one of paragraphs.1-4, characterized in that the heat source is additionally connected heaters placed on the waterways.
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