A reservoir for oil

A reservoir for oil, comprising a casing, a floating roof with a water system of the flexible sleeve, wherein the flexible sleeve is provided with a spring guide. The proposed device increases the reliability and efficiency of the spillway system. 1 C.p. f-crystals, 3 ill.

The invention relates to the oil and petrochemical industry, and in particular to floating roof tanks and spillway system.

Known reservoir for storing legisprudence oil floating roof and spillway system (A. S. No. 404713, CL 65 D 87/18, publ. 1971). Spillway system consists of a metal pipe, connected by hinges with Salnikov seal. The disadvantage of this spillway system is unreliable seals, resulting in unreliable operation of the entire system.

Known reservoir for oil floating roof and spillway system (A. S. No. 380891, CL 55 D 88/38, publ. 15.11.81). Spillway system in this tank consists of a flexible hose, which is supplied by the floats in the form of nozzles along the length of the flexible hose. Because of the presence of floats downstream sleeve splawa the diversified floating roof racks when landing on her feet. However, this spillway system bulky and unreliable, the bending of the flexible hose does not fit within the allowable limits, which leads to rapid failure of the flexible sleeve.

Thus, improving the reliability and efficiency of the spillway system with surface floating roof tank is an important task.

The technical result, leading to the solution of the problem, is to increase the reliability and efficiency of the spillway system with surface floating roof tank.

This technical result is achieved by the fact that in the known reservoir for oil, including the body of the tank and the floating roof with a water system from the flexible hose, according to the invention a flexible hose provided with a spring guide in the middle of the length of the flexible sleeve is placed a rigid arcuate swivel insert.

Supply spillway flexible sleeve spring guide fixation of certain provisions of the flexible hose when moving floating roof height of the tank, eliminates the possibility of damage to the flexible hose when landing the floating roof on the supports and provides a smooth bending of the flexible hose. Springy napravlyayus the lava, working low position (from the bottom of the tank at a height of 1.1-1.5 m) and production status of repair work under floating roof (height of 2.0-2.3 m).

The presence of a rigid arcuate rotatable insert in the middle of the length of flexible hose provides the laying of flexible hose under the floating roof when planting it on the support, i.e., when a minimum distance between the floating roof and the tank floor (1.1 to 1.5 m) without bending the flexible sleeve of any diameter above the allowable limits, which increases the service life of the spillway system from the surface of the floating roof and increases the reliability of the tank.

In Fig.1 is a diagram of a tank of oil with a water system with a surface of the floating roof.

In Fig.2 shows the structural layout of the mounting of the flexible sleeve to the spring guide.

In Fig.3 shows a sectional view along a-A.

A reservoir for oil with a water system with a surface of the floating roof includes the body of the tank 1, the floating roof 2, the recipient 3 floating roof, the manifold 4 on the bottom of the tank, a flexible hose 5, a rigid arcuate rotary box 6, vodostochnoi pipe 7 with a valve for draining the water from the reservoir tank, springy nepravdopodobnoj system from the surface of the floating roof is assembled and operates as follows.

The proposed spillway system can be equipped with a newly constructed or operated the tank with a floating roof. Spillway system is mounted when the floating roof on poles, i.e., the mounting work is performed inside the tank under the floating roof. For use in a water system, a flexible hose 5 is chosen according to the diameter and length. The flexible sleeve may be made of metal or any Maslennikova material. The diameter of the flexible hose should be sufficient to provide for the drainage of water at the maximum precipitation in the neighbourhood of the tank. If necessary, can be used more than one channel of the flexible hose for water drainage. Each channel consists of two shoulders flexible hose: before and after rigid arcuate pivoting of the insert 6. The length of each arm flexible hose shall be not less than the maximum height of the floating roof of the tank and not more than half of the diameter of the tank, Each shoulder flexible hose connects springy guide 9 by means of clamps 10. Uses two spring guides and they are located on both sides of the flexible sleeve in a horizontal plane passing through the longitudinal axis of the flexible Y plane as a whole, without separating from each other. The location of the spring rails on both sides of the horizontal axis of the flexible hose provides bending only in the vertical plane.

The flexible sleeve and the spring guides rigidly connected with the receiving water 3 floating roof rigid arcuate turning insert 6 and the manifold 4 on the bottom of the tank videospussy pipe 7 and valve 8. This connection provides the same bending of the flexible hose 5 and the spring guide 9 as one unit. Depending on the conditions of the spillway system may have one, two or more channels connecting the water intake 3 to the floating roof 2 and the manifold 4 on the bottom of the tank. If necessary, more than one channel, they are arranged symmetrically relative to the vertical axis of the tank and connected to the reservoir 4 reservoir videospussy pipe 7 and valve 8 for drainage of water from the surface floating roof tank.

Depending on the operating conditions of the tank with a floating roof spillway system can be equipped with heating with intrinsically safe heating cable laid along a flexible hose.

Spillway system, mounted in the manner described, ready ek is up to the floating roof 2 of the tank. Water from the surface of the floating roof 2 flows into the recipient 3 floating roof 2, and then the water by a flexible sleeve 5 flows into the manifold 4 on the bottom of the tank and then drained outside of the tank 1 into the sewer through vodostochnoi pipe 7 at an open gate valve 8. The valve 8 on modopocket the pipe 7 for the drainage of water from the manifold 4 on the bottom of the tank is opened or closed in accordance with the technological regulations of operation of the tank with a floating roof and spillway system. Weir is provided when the floating roof at any height in the tank. At the lowest position of the floating roof (at a height of 1.1-1.5 m) flexible hose to a water system is placed in a straight line between the supports floating roof folded from the two arms curved at a predetermined curvature hard arcuate swivel insert. In this state, the flexible sleeve without sharp bend is placed under the floating roof when the minimum height of the space under the floating roof. When filling the oil tank floating roof rises and pulls the spillway channel of the flexible sleeve.

Because of the presence of springy guide and rigid arcuate rotary stacioni floating roof at any height in the tank. Channel for draining water has no movable joints where it may be leaking due to movement of the floating roof, ensures high reliability of the tank.

The presence of a rigid arcuate rotatable insert in the middle of the length of flexible hose provides the laying of the flexible hose at a low position of the floating roof without a sharp bend as the bend is formed by hard turning insert. The conditions for long-term reliable operation of the entire system.

Thus, the present invention solves the problem of drainage of water from the surface of the floating roof. This increases the reliability and safety of operation of the tank with a floating roof.

Claims

1. A reservoir for oil, comprising a casing, a floating roof with a water system of the flexible sleeve, wherein the flexible sleeve is provided with a spring guide.

2. The tank under item 1, characterized in that the flexible hose in the middle of the length supplied by a rigid arcuate swivel insert.