CN219177460U - Double-cylinder skirt type earthing spherical tank supporting structure - Google Patents

Abstract

The utility model provides a double-cylinder skirt type earthing spherical tank supporting structure, which comprises: skirt and earthing structure. The skirt comprises an inner cylinder and an outer cylinder, the diameter of the inner cylinder is smaller than that of the outer cylinder, the outer cylinder is sleeved outside the inner cylinder, a filler is arranged in a space between the inner cylinder and the outer cylinder, the height of the outer cylinder is higher than that of the inner cylinder, a curved surface is formed at the upper ends of the inner cylinder and the outer cylinder, the curvature of the curved surface is matched with that of the surface of the spherical tank, and the spherical tank is arranged above the skirt; the earthing structure surrounds skirt and spherical tank. Through setting up the skirt, place the spherical tank in the skirt top, the filler can increase the contact surface of skirt and spherical tank, the skirt provides holding power and surrounds the spherical tank lower extreme to the spherical tank with the cooperation of earthing structure, earthing structure provides the lateral pressure to the spherical tank, has restricted the lateral shifting of spherical tank, can be with the spherical tank firm be fixed in on the skirt, improves the security of spherical tank storage.

Description

Double-cylinder skirt type earthing spherical tank supporting structure

Technical Field

The utility model relates to the technical field of spherical tank support, in particular to a double-drum skirt type earthing spherical tank support structure.

Background

At present, spherical storage tanks are mostly used for storing dangerous chemicals in liquid, gas or gas-liquid mixture in petroleum refining and chemical industry, and the materials generally have the characteristics of inflammability, explosiveness, toxicity and the like, so that the running state of the spherical tanks needs to be particularly emphasized in production and storage and transportation. The spherical tank storage tank belongs to a pressure-bearing storage tank, and in addition, the characteristics of medium in the tank are extremely easy to cause secondary disasters such as explosion and the like when a fire accident occurs, so that the safety performance of the overground spherical tank is relatively poor, and the design capacity of the overground spherical tank is limited. The earthing type storage tank reduces the influence of atmospheric temperature change and surrounding environment, has stable operation conditions, effectively prevents explosion (BLEVE) of boiling liquid expansion steam when liquefied hydrocarbon is stored at normal temperature and pressure, and is not damaged by adjacent heat sources, explosion shock waves, splash impact or other sudden damage. The spherical tank supporting structure adopts the pillar to support more, and pillar support simple to operate, field operation and maintenance are also convenient, but pillar support focus is high, and stability is poor, and pillar and spherical shell junction stress is concentrated relatively, and fail safe nature is relatively poor. And the strut support cannot be applied to the earthing ball tank, there is a need for a support structure with high safety that can be applied to the earthing ball tank.

Disclosure of Invention

In order to solve the above problems, the present utility model aims to provide a double-skirt type earthing spherical tank supporting structure. Through setting up the skirt, place the spherical tank in the skirt top, the filler can increase the contact surface of skirt and spherical tank, the skirt provides holding power and surrounds the spherical tank lower extreme to the spherical tank with the cooperation of earthing structure, earthing structure provides the lateral pressure to the spherical tank, has restricted the lateral shifting of spherical tank, can be with the spherical tank firm be fixed in on the skirt, improves the security of spherical tank storage.

In order to achieve the above object, the present utility model provides a double-skirt type earthing spherical tank supporting structure, comprising: skirt and earthing structure. The skirt comprises an inner cylinder and an outer cylinder, the diameter of the inner cylinder is smaller than that of the outer cylinder, the outer cylinder is sleeved outside the inner cylinder, a filler is arranged in a space between the inner cylinder and the outer cylinder, the height of the outer cylinder is higher than that of the inner cylinder, a curved surface is formed at the upper ends of the inner cylinder and the outer cylinder, the curvature of the curved surface is matched with that of the surface of the spherical tank, and the spherical tank is arranged above the skirt; the earthing structure surrounds skirt and spherical tank.

Through setting up the skirt, place the spherical tank in the skirt top, the filler can increase the contact surface of skirt and spherical tank, the skirt provides holding power and surrounds the spherical tank lower extreme to the spherical tank with the cooperation of earthing structure, earthing structure provides the lateral pressure to the spherical tank, has restricted the lateral shifting of spherical tank, can be with the spherical tank firm be fixed in on the skirt, improves the security of spherical tank storage.

Further, the skirt is of a reinforced concrete structure. The bearing capacity, the anti-seismic performance and the anti-corrosion capacity of the skirt are improved, and the storage safety of the spherical tank is improved.

Further, the upper ends of the inner cylinder and the outer cylinder are pre-embedded with supporting rings, and the supporting rings are steel circles with radians. The strength of the contact points of the inner cylinder and the outer cylinder with the spherical tank is increased, and the skirt is prevented from being damaged due to abrasion.

Furthermore, sand is selected as the filler. The sandy soil is easy to obtain, the cost is low, the filled sandy soil can be changed according to the shape of the spherical tank, the curvature between the inner cylinder and the outer cylinder is compensated, and the contact area between the skirt and the spherical tank is increased.

Further, a soft rubber pad is laid above the skirt and the sandy soil. The tank wall at the bottom of the spherical tank is in direct contact with the soft rubber pad, so that the effects of shock absorption and energy absorption can be achieved, and the sealing and waterproof performances can be improved.

Further, a layer of flexible waterproof layer is integrally laid on the outer walls of the outer cylinder and the spherical tank. Prevent moisture in the soil from entering the tank bottom supporting structure and cause corrosion to the supporting structure.

Further, the outer side surface of the flexible waterproof layer is covered with a layer of compacted fine sand or fine soil. The buffer effect is achieved on the tank wall of the spherical tank and the flexible waterproof layer.

Further, the bottom of the skirt base horizontally extends outwards to form a reinforced concrete culvert for the access of maintenance personnel. The device can be used for overhauling personnel to enter the equipment for overhauling, and the efficiency of overhauling work is improved.

Further, the earth cover structure is internally provided with a geogrid. The stability of the earthing structure is improved, so that accidents such as landslide and the like of the earthing structure are prevented.

Drawings

The drawings described herein are only for aiding those skilled in the art in understanding the technical aspects of the present utility model, and the exemplary embodiments described in conjunction with the drawings are only for explaining the technical aspects of the present utility model, not for limiting the scope of the present utility model unduly. In the drawings:

fig. 1 is a front cross-sectional view of a double-skirt type earthing spherical tank supporting structure according to an embodiment of the present utility model;

fig. 2 is a side sectional view of a double-skirt type earthing spherical tank supporting structure according to an embodiment of the present utility model.

List of reference numerals:

1. a skirt; 11. an inner cylinder; 12. an outer cylinder; 13. a filler;

2. a soil covering structure;

3. a support ring;

4. a soft rubber pad;

5. a flexible waterproof layer;

6. fine sand;

7. a culvert;

8. a spherical tank.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 2, the present utility model provides a double-skirt type earthing spherical tank supporting structure, comprising: skirt 1 and earthing structure 2. Placing spherical tank 8 in skirt 1 top, packing 13 can increase the contact surface of skirt 1 and spherical tank 8, and skirt 1 and earthing structure 2's cooperation, skirt 1 provide holding power to spherical tank 8 and surround spherical tank 8 lower extreme, earthing structure 2 provide lateral pressure to spherical tank 8, have restricted spherical tank 8's lateral shifting, can be with spherical tank 8 firm being fixed in on skirt 1, improve spherical tank 8 storage's security. The skirt 1 alone as a supporting structure does not allow to stabilize the spherical tank 8, which is required to be applied in specific situations, i.e. in the case of the spherical tank 8 being covered with earth, the interaction of the skirt 1 with the earthing structure 2 with respect to the spherical tank 8 enables to bring the spherical tank 8 in a stable state.

The skirt 1 comprises an inner cylinder 11 and an outer cylinder 12, the inner cylinder 11 and the outer cylinder 12 are of a tubular structure for reinforced concrete pouring, the diameter of the inner cylinder 11 is smaller than that of the outer cylinder 12, the outer cylinder 12 is sleeved outside the inner cylinder 11, a filler 13 is arranged in a space between the inner cylinder 11 and the outer cylinder 12, and sand is selected as the filler 13. The sandy soil is easy to obtain, the cost is low, the filled sandy soil can be changed according to the shape of the spherical tank 8, the curvature between the inner cylinder 11 and the outer cylinder 12 is compensated, and the contact area between the skirt 1 and the spherical tank 8 is increased. The height of the outer cylinder 12 is higher than that of the inner cylinder 11, the upper ends of the inner cylinder 11 and the outer cylinder 12 form a curved surface, namely, the upper end of the inner cylinder 11 is an annular curved surface capable of supporting and lifting the spherical tank 8, the upper end of the outer cylinder 12 is an annular curved surface capable of supporting and lifting the spherical tank 8, the curvature of the curved surface is matched with the curvature of the surface of the spherical tank 8, the inner cylinder 11 lifts the lower part of the spherical tank 8, and the outer cylinder 12 lifts the upper part of the spherical tank 8. The spherical tank 8 is arranged above the skirt 1; the skirt 1 is a reinforced concrete structure. The bearing capacity, the anti-seismic performance and the anti-corrosion capacity of the skirt 1 are increased, and the storage safety of the spherical tank 8 is improved. The upper ends of the inner cylinder 11 and the outer cylinder 12 are pre-embedded with a supporting ring 3, and the supporting ring 3 is a steel ring with radian and is attached to the curved surface of the upper end of the inner cylinder 11 or the outer cylinder 12. The strength of the contact points of the inner cylinder 11 and the outer cylinder 12 with the spherical tank 8 is increased, and the skirt 1 is prevented from being damaged due to abrasion. A soft rubber mat 4 is laid above the skirt 1 and the sandy soil. The soft rubber cushion 4 is preferably made of silica gel, and the bottom tank wall of the spherical tank 8 is in direct contact with the soft rubber cushion 4, so that the effects of shock absorption and energy absorption can be achieved, and the sealing and waterproof performances can be improved. The outer cylinder 12 and the outer wall of the spherical tank 8 are integrally laid with a layer of flexible waterproof layer 5. The flexible waterproof layer 5 is preferably a polyethylene polypropylene composite waterproof coiled material. Can prevent the moisture in the soil from getting into tank bottom bearing structure, cause the corruption to bearing structure. The outer side surface of the flexible waterproof layer 5 is covered with a layer of compacted fine sand 6 or fine soil. The buffer function is provided for the tank wall of the spherical tank 8 and the flexible waterproof layer 5.

The earthing structure 2 surrounds the skirt 1 and the spherical tank 8. The earth covering structure 2 is internally provided with a geogrid. The stability of the earthing structure 2 is increased to prevent accidents such as landslide and the like of the earthing structure 2

As shown in the figure, the bottom of the skirt 1 horizontally extends outwards to form a reinforced concrete culvert 7 for access by maintenance personnel. The device can be used for overhauling personnel to enter the equipment for overhauling, and the efficiency of overhauling work is improved.

Through setting up skirt 1, place spherical tank 8 in skirt 1 top, the contact surface of skirt 1 and spherical tank 8 can be increased to filler 13, skirt 1 and earthing structure 2's cooperation, skirt 1 provides holding power to spherical tank 8 and surrounds spherical tank 8 lower extreme, earthing structure 2 provides lateral pressure to spherical tank 8, has restricted spherical tank 8's lateral shifting, can be firmly fixed in on skirt 1 with spherical tank 8, improves the security of spherical tank 8 storage.

When the equipment is installed, the prefabricated inner cylinder 11 and outer cylinder 12 are first fixed on the base, and the concrete culvert 7 is arranged in advance. Then filling sand in the space between the inner cylinder 11 and the outer cylinder 12, prefabricating the supporting rings 3 at the upper ends of the inner cylinder 11 and the outer cylinder 12, paving the soft rubber cushion 4 above, hoisting the spherical tank 8 onto the skirt 1, compacting the soft rubber cushion 4 by the spherical tank 8, deforming the sand below, and wrapping the spherical tank 8. A layer of flexible waterproof layer 5 is integrally laid on the tank wall of the spherical tank 8 and the outer wall of the outer cylinder 12, a layer of fine sand 6 or fine soil is covered on the outer side surface of the flexible waterproof layer 5 for compaction, then soil is integrally covered, and after the soil is covered, the spherical tank 8 can store.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (9)

1. The utility model provides a earthing spherical tank bearing structure of double-barreled skirt formula, its characterized in that includes:

the skirt comprises an inner cylinder and an outer cylinder, the diameter of the inner cylinder is smaller than that of the outer cylinder, the outer cylinder is sleeved outside the inner cylinder, a filler is arranged in a space between the inner cylinder and the outer cylinder, the height of the outer cylinder is higher than that of the inner cylinder, the upper ends of the inner cylinder and the outer cylinder form a curved surface, the curvature of the curved surface is matched with the curvature of the surface of the spherical tank, and the spherical tank is arranged above the skirt;

and the earthing structure surrounds the skirt and the spherical tank.

2. A double-skirt type earthing ball tank support structure according to claim 1, wherein the skirt is a reinforced concrete structure.

3. The double-cylinder skirt type earthing ball tank supporting structure according to claim 2, wherein supporting rings are pre-buried at the upper ends of the inner cylinder and the outer cylinder, and the supporting rings are steel circles with radians.

4. A double skirt type earthing spherical tank support structure according to claim 1, wherein the filler is sand.

5. The double-barrel skirt type earthing ball tank support structure according to claim 4, wherein soft rubber pads are laid above the skirt and sandy soil.

6. A double-skirt type earthing spherical tank supporting structure according to claim 1, wherein the outer cylinder and the outer wall of the spherical tank are integrally laid with a flexible waterproof layer.

7. The double skirt type earthing ball tank support structure according to claim 6, wherein the outer side surface of the flexible waterproof layer is covered with a layer of compacted fine sand.

8. The double-barrel skirt type earthing spherical tank supporting structure according to claim 1, wherein the bottom of the skirt extends outwards horizontally to form a reinforced concrete culvert for access of maintenance personnel.

9. A double skirt type earthing ball tank support structure according to claim 1, wherein the earthing structure is internally provided with a geogrid.

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