CN220152460U

CN220152460U - Cold insulation and earthing structure of earthing horizontal tank

Info

Publication number: CN220152460U
Application number: CN202320830517.8U
Authority: CN
Inventors: 王恩鹏; 耿鹏; 桑中贞; 沙滨滨
Original assignee: Shandong Chambroad Equipment Manufacture Installation Co Ltd
Current assignee: Shandong Chambroad Equipment Manufacture Installation Co Ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-12-08
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a cold insulation and soil covering structure of a soil covering horizontal tank, which is characterized in that a cold insulation layer, a moisture-proof layer and a rigid protective layer are sequentially arranged outside the tank body, so that the tank body has good cold insulation performance, corrosion resistance and seepage resistance, heat transfer between the tank body and the soil covering structure is reduced, the tank body is arranged in the soil covering enclosing wall, light ceramsite is filled in the soil covering enclosing wall to replace soil layers to realize soil covering, the influence of the soil covering structure on the tank body and the cold insulation layer is reduced, the cold insulation layer is prevented from being deformed under pressure or corroded and damaged, the cold insulation performance of the soil covering tank body is better, and the whole soil covering tank body is safer and more reliable.

Description

Cold insulation and earthing structure of earthing horizontal tank

Technical Field

The utility model belongs to the field of insulation of covered bedding tanks, and particularly relates to an insulation and covering structure of a covered bedding tank.

Background

The earthing type storage tank reduces the influence of atmospheric temperature change and surrounding environment, has stable operation conditions, effectively prevents the explosion of boiling liquid expansion steam when liquefied hydrocarbon is stored at normal temperature and pressure, and is not impacted by adjacent heat sources, explosion shock waves, splashes or other sudden damages.

In the current engineering design, the earthing type horizontal tank is generally designed without a saddle, earth is directly connected after the tank body is preserved, the tank body can bear the pressure of a soil layer, the soil layer is easily affected by the environment, especially in areas with severe cold temperature or extremely large day and night temperature difference, the moist environment can lead the soil layer to have certain humidity, the wet soil is easily subjected to frost heaving and thawing and sinking under the influence of the external temperature and cold radiation of a low-temperature storage tank, and larger pressure is generated on the tank wall; the tank body integrally bears medium in the tank, the dead weight of the tank body is very high in the state of being filled with the medium, the tank body is influenced by the earthing environment, the soil pressure of the tank body is high, if the cold insulation and heat insulation structure layer is installed and used outside the tank body, the cold insulation and heat insulation structure layer of the tank body is easy to damage, the safety and reliability of the tank body are influenced, the cold insulation and heat insulation process is influenced, a plurality of deep-cold pressure storage mediums, such as ethylene, are still selected to construct an overground spherical storage tank, the popularization and application of the intrinsic safety storage technology are hindered, and the earthing type horizontal storage tank is further designed according to the conditions.

Disclosure of Invention

The present utility model provides a cold insulation and soil covering structure for a covered soil bedrock to at least address or alleviate one or more of the problems of the prior art, or to at least provide a beneficial alternative.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a cold insulation and earthing structure of an earthing horizontal tank comprises an earthing enclosing wall and a tank body; the outside of the jar body sets up cold insulation layer, dampproof course, rigid protection layer, the cold insulation layer is used for promoting the cold insulation performance of the jar body, the dampproof course is used for preventing moisture to get into the cold insulation layer, rigid protection layer protection the dampproof course, earthing enclosure adopts reinforced concrete structure, set up in the earthing enclosure the jar body, the earthing enclosure intussuseption is filled with light haydite, realizes earthing covering effect.

Above-mentioned structure, through set gradually cold insulation layer, dampproof course and rigid protection layer in the jar outside, thereby make the jar body possess good cold insulation performance, anticorrosive prevention of seepage performance, reduce the heat transfer between jar body and the earthing structure, install the jar body in the earthing enclosure, and pack light haydite to the earthing enclosure intussuseption, light haydite, there is not the dust in the dry state, can not disintegrate after soaking, do not produce muddy water, its density is little, intensity is high, keep warm, thermal-insulated, fire-resistant, characteristics such as antidetonation, this kind of matrix is far superior to earth in the nature replaces the soil layer to realize the earthing to cover, reduce the influence of earthing structure to jar body and cold insulation layer, avoid cold insulation layer to receive compression deformation, or corrosion damage, make the jar body of earthing cold insulation performance better, whole safer and more reliable.

In a preferred implementation, the cold insulation layer is high-density foam glass, and the high-density foam glass is bound and fixed on the outer side of the tank body through a stainless steel belt.

The foam glass has the physical properties of small density, high strength, small heat conductivity coefficient and the like, and also has the functions of heat preservation, heat insulation, sound absorption, moisture resistance, water resistance, fire resistance and the like, the heat insulation and heat preservation effects are good, the raw materials for producing the foam glass are low in price and rich in resources, and the foam glass is suitable for cold preservation of a horizontal tank with a large length-diameter ratio, so that the cost can be reduced, and the foam glass has a good cold preservation effect.

In a preferred implementation, the moisture-proof layer comprises mastic and glass fiber cloth, wherein the mastic is coated on the outer side of the cold insulation layer and then wound around the glass fiber cloth, and the mastic is coated on the outer side of the glass fiber cloth.

The mastic is prepared by taking petroleum asphalt as a base material, adopting a chemical binder, a film forming agent, a thickening agent and a mineral filler and adding a proper amount of flame retardant, has the characteristics of air tightness, waterproofness, freezing resistance, difficult cracking and ageing, cold construction at normal temperature, flame retardance, water resistance and the like after drying, is used as a dampproof layer on the surface of a heat preservation and cold insulation layer, has high heat resistance, small moisture absorption, softness, high tensile strength and good insulating property, is uniformly smeared on the outer part of high-density foam glass, and has the effects of water resistance, corrosion resistance, heat preservation, cold locking, chemical and physical influences entering from the outer part can be effectively prevented, the penetration of moisture and humidity of the heat preservation and heat insulation material is prevented, and the reduction of heat insulation efficiency is avoided.

In a preferred implementation, the mastic is coated to a thickness of 3mm and the glass cloth overlap width is half the width of the glass cloth.

In a preferred implementation, the rigid protection layer is a rigid polyurea protection layer, and the rigid polyurea protection layer is integrally sprayed on the surface of the moisture-proof layer.

The rigid polyurea elastomer is an elastomer which is connected to a base material through chemical bonds without any crosslinking reaction, and has excellent characteristics of low elastic modulus, high hardness, high tear strength, high tensile modulus, high wear resistance and the like. It has excellent mechanical properties, wear resistance and thermal stability. Has good elasticity and deformability at room temperature; under the condition of high temperature or low temperature, the physical properties of the adhesive can be kept unchanged, and the adhesive can be firmly bonded with most matrix materials; in the occasion that the friction coefficient is larger and the wear resistance requirement is higher, a large amount of wear can be resisted without affecting the mechanical property, the wear resistance is very good, and the rigid polyurea protective layer is integrally sprayed on the surface of the moisture-proof layer, so that the effects of corrosion resistance, seepage resistance, mould resistance, wear resistance and the like are achieved.

In a preferred implementation, the bicycle further comprises a support saddle, and a hard rubber pad is arranged between the bottom plate of the support saddle and the concrete bottom plate.

The support saddle is symmetrical structure, sets up to support the saddle and can alleviate jar body dead weight and to jar external side cold insulation dampproof course's extrusion, prevents cold insulation layer, dampproof course and rigid protection layer's deformation and destroys, influences cold insulation, dampproof effect, and the bottom plate of support saddle is placed the hard rubber pad on concrete basis, can play shock attenuation cushioning effect.

In a preferred implementation, the outside of the support saddle is provided with the cold insulation layer, the moisture-proof layer and the rigid protection layer and the brick wall protection layer is piled up.

The cold energy of the tank body is prevented from leaking into the earthing structure through the support saddle, the support saddle and the tank body form an integrated cold insulation structure, and the brick wall is protected to be capable of protecting the cold insulation layer, the dampproof layer and the rigid protection layer of the saddle part from being damaged by earthing pressure.

In the preferred implementation mode, the novel lightweight ceramsite water-proof structure further comprises a waterproof structure, the waterproof structure prevents the earthing structure formed by the lightweight ceramsite from entering rainwater, the waterproof structure comprises a top part arranged on the earthing structure, the waterproof structure comprises a cobblestone layer, a water filtering cloth layer and a water collecting pipe, and the rainwater is collected into the water collecting pipe to be discharged after passing through the cobblestone layer and the water filtering cloth layer.

Because the water absorption rate of light haydite is high, in order to prevent that the rainwater from getting into the earthing structure that light haydite formed from soaking the cold insulation layer that destroys the jar body, through setting up waterproof construction at earthing structure top, the rainwater is filtering through cobble layer and drainage cloth, then is gathered the collector pipe, finally discharges, reduces the water content in the earthing structure.

In a preferred implementation mode, one end of the water collecting pipe is closed, one end of the water collecting pipe is open, the opening of the water collecting pipe exposes out of the earthing structure, the water collecting pipe is uniformly provided with a plurality of water inlet holes, and water in the earthing structure enters the water collecting pipe through the water inlet holes.

The structure has the following beneficial effects:

1. the external side of jar sets gradually cold insulation layer, dampproof course and rigid protection layer to make jar body possess good cold insulation performance, anticorrosive prevention of seepage performance, reduce the heat transfer between jar body and the earthing structure, light haydite replaces the soil layer to realize earthing and covers, reduces the influence of earthing structure to jar body and cold insulation layer, avoids cold insulation layer to receive compression deformation, or corrode the destruction, makes jar body cold insulation performance of earthing better.

2. The support saddle can lighten the extrusion of the self weight of the tank body to the cold insulation and moisture proof layer outside the tank body, and prevent the deformation and damage of the cold insulation layer, the moisture proof layer and the rigid protection layer, and influence the cold insulation and moisture proof effects.

3. The waterproof structure is arranged at the top of the earthing structure, so that rainwater is prevented from entering the earthing structure formed by the light ceramsite to soak and damage the cold insulation layer of the tank body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of an exemplary embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of another embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the portion A of FIG. 1 according to an exemplary embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of a waterproof structure according to an exemplary embodiment of the present utility model;

FIG. 5 is a schematic view of an exemplary embodiment of a header of the present utility model;

description of the reference numerals:

1. a tank body; 10. a cold insulation layer; 11. a moisture barrier; 12. a rigid protective layer;

2. earthing and enclosing walls; 20. light ceramsite;

3. supporting a saddle; 30. a hard rubber pad; 31. brick walls;

4. a waterproof structure; 40. a drainage cloth layer; 41. a cobble layer; 42. a water collecting pipe; 420. an opening; 421. and a water inlet hole.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit and scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

First, the technical idea of the technical proposal disclosed by the utility model is explained.

Cryogenic liquids, such as: liquid hydrogen, LNG, liquid nitrogen and the like are widely applied to various fields such as aerospace, new energy, mechanical manufacturing and the like. In particular, research into hydrogen energy, which is considered to be the most promising for the 21 st century, has been rapidly progressed in recent decades, and is expected to be the final form of energy use. The production, storage and transportation of the low-temperature liquid are not separated from the low-temperature storage tank with excellent cold insulation and heat insulation performance, the low-temperature storage tank is covered with soil, the influence of the atmospheric temperature change and the surrounding environment on the low-temperature storage tank can be reduced, the operation condition is stable, the liquefied hydrocarbon is more favorable for long-term stable storage, the operation production is more stable, the safety and the operation stability are higher, and the prospect is good.

The low-temperature liquid storage tank is designed into a high-vacuum multi-layer heat insulation structure, and mainly comprises a liner, a heat insulation and cold insulation layer, a shell, a supporting structure, an operation pipeline system and the like, wherein the heat leakage of the system can be generally divided into 3 parts, namely, the heat leakage through the heat insulation layer, the heat leakage along a heat bridge (a supporting piece, a suspension piece and the like) and the heat leakage along a wire, the existing low-temperature storage tank is generally subjected to corrosion prevention and then is directly subjected to earthing treatment, the earthed low-temperature storage tank bears soil layer pressure, a soil layer is easily influenced by the environment, after the soil layer is wet, the heat leakage of the low-temperature storage tank can not only shorten the storage time of the low-temperature liquid, and the soil layer frost heaving leads to the extrusion of the soil layer to the low-temperature tank body; but also increases the potential safety hazard caused by leakage and increased pressure in the storage tank. Therefore, developing an innovative structure of the earthing storage tank for reducing the heat leakage is an important means for improving the economy and the safety of the low-temperature storage tank, and is also a key point of whether the earthing type cold insulation tank can further expand the application range.

In addition, the tank body is provided with the cold insulation heat insulation structure layer, the structure of the cold insulation heat insulation structure layer of the tank body is easy to damage due to the influence of soil layer pressure and the dead weight of the tank body, the safety and reliability of the tank body are influenced, the tank body is influenced by a cold insulation heat insulation process, a plurality of deep-cold pressure storage mediums, such as ethylene, are still selected to construct an overground spherical storage tank, and the popularization and application of the earthing safety storage technology are hindered.

In view of the above-described problems existing in the prior art, the present utility model provides a device. The present utility model will be described below with reference to the drawings.

The scheme adopted is as follows:

as shown in fig. 1 to 5, the present utility model provides a cooling and soil-covering structure of a soil-covered sleeping container, comprising:

comprises a soil-covered enclosing wall 2 and a tank body 1; the outside of the tank body 1 is provided with a cold insulation layer 10, a moisture-proof layer 11 and a rigid protection layer 12, the cold insulation layer 10 is made of high-density foam glass, the high-density foam glass is bound and fixed on the outside of the tank body 1 through a stainless steel belt and used for improving the cold insulation performance of the tank body 1, the moisture-proof layer 11 comprises mastic and glass fiber cloth, the mastic is coated on the outside of the cold insulation layer 10 and then is wound with the glass fiber cloth, the mastic is coated on the outside of the glass fiber cloth, when the mastic is coated with asphalt, the glass fiber cloth is required to be fully soaked with the mastic, the coating thickness of the mastic is 3mm, the lap joint width of the glass fiber cloth is half of the width of the glass fiber cloth, the tightness is proper, the width of the glass fiber cloth is reasonably selected according to the length of the tank body 1 and used for preventing moisture from entering the cold insulation layer 10, the rigid polyurea is integrally sprayed on the surface of the moisture-proof layer 11 to form the rigid protection layer 12, the moisture-proof layer 11 is protected, the soil-covering enclosure 2 adopts a reinforced concrete structure and is used for burying the soil-covering and covering the soil tank, and the design height is consistent with the burying depth of the soil-covering tank. The tank body 1 is arranged in the earthing enclosing wall 2, the light ceramsite 20 is filled in the earthing enclosing wall 2, the light ceramsite 20 plays a role in earthing and covering, and meanwhile, the pressure of an earthing structure to the tank body 1 and a cold insulation structure can be relieved, and the tank body is prevented from being deformed and damaged by compression.

In order to reduce the dead weight of the tank body 1 and the pressure damage of the lightweight ceramsite 20 to the cold insulation layer 10, the moisture-proof layer 11 and the rigid protection layer 12, the tank body 1 is arranged on the supporting saddle 3, and a hard rubber pad 30 is arranged between the bottom plate of the supporting saddle 3 and the concrete bottom plate. The support saddle 3 is symmetrical structure, and the outside of support saddle 3 sets up cold insulation layer 10, dampproof course 11 and rigid protection layer 12 and piles up brick wall 31 protective layer, prevents that the cold volume of jar body 1 from leaking into the earthing structure that light haydite 20 constitutes through support saddle 3, makes support saddle 3 and jar body 1 become integrative cold insulation structure, and brick wall 31 protects into can protect saddle partial cold insulation layer 10, dampproof course 11 and rigid protection layer 12 not receive earthing structure pressure to destroy.

In order to reduce the water content in the earthing structure formed by the lightweight ceramsite 20, prevent a large amount of rainwater from penetrating into and soaking the cold insulation layer 10, a waterproof structure 4 is arranged at the top of the earthing structure, the waterproof structure 4 comprises a cobble layer 41, a water filtering cloth layer 40 and a water collecting pipe 42, rainwater is collected into the water collecting pipe 42 through water inlets 421 after passing through the cobble layer 41 and the water filtering cloth layer 40 and is discharged to an opening 420, the water filtering cloth layer 40 can be directly wound on the water collecting pipe 42, in addition, the water collecting pipe 42 and the ground can be provided with a certain inclination, the inclination angle is designed to be 1-2 degrees, the bearing capacity of the water collecting pipe 42 is ensured, the rainwater can flow under the dead weight, the water collecting pipes 42 are arranged in a plurality of groups side by side, the whole body can be formed, gaps are arranged between adjacent water collecting pipes 42, a water collecting pipe 42 plate is formed, and the upper part of the lightweight ceramsite 20 is covered.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various modifications and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The cold insulation and earthing structure of the earthing horizontal tank is characterized by comprising an earthing enclosing wall and a tank body; the outside of the jar body sets up cold insulation layer, dampproof course, rigid protection layer, the cold insulation layer is used for promoting the cold insulation performance of the jar body, the dampproof course is used for preventing moisture to get into the cold insulation layer, rigid protection layer protection the dampproof course, earthing enclosure adopts reinforced concrete structure, set up in the earthing enclosure the jar body, the earthing enclosure intussuseption is filled with light haydite, realizes earthing covering effect.

2. The cold insulation and soil covering structure of a covered bedding pot of claim 1, wherein the cold insulation layer is a high density foam glass which is secured to the outside of the pot body by stainless steel strapping.

3. A cold insulation and soil covering structure of a soil covered bedding pot as claimed in claim 2 wherein said moisture barrier comprises mastic and glass fiber cloth, said mastic being coated on the outside of said cold insulation layer and then wrapped around said glass fiber cloth, said mastic being coated on the outside of said glass fiber cloth.

4. A cold insulation and soil cover structure for a soil covered sleeping tank as claimed in claim 3, wherein the coating thickness of the mastic is 3mm, and the overlapping width of the glass fiber cloth is half of the width of the glass fiber cloth.

5. The cold insulation and soil covering structure of a soil covered bedding pot of claim 2, wherein the rigid protective layer is a rigid polyurea protective layer integrally sprayed on the moisture barrier surface.

6. The insulated and earthen structure of an earthen covered bedding tank of claim 1 further comprising a support saddle having a hard rubber mat disposed between the floor of the support saddle and the concrete floor.

7. The structure of claim 6, wherein the outside of the support saddle is provided with the cold insulation layer, the moisture-proof layer and the rigid protection layer and the brick wall protection layer is piled up.

8. The cold insulation and soil covering structure of a soil covered sleeping tank of claim 1, further comprising a waterproof structure, wherein the waterproof structure prevents the soil covering structure formed by the light ceramsite from entering rainwater, the waterproof structure comprises a top part arranged on the soil covering structure, the waterproof structure comprises a cobble layer, a water filtering cloth layer and a water collecting pipe, and the rainwater is collected into the water collecting pipe after passing through the cobble layer and the water filtering cloth layer and is discharged.

9. The structure of claim 8, wherein the water collecting pipe is closed at one end and open at the other end, the soil covering structure is exposed at the opening of the water collecting pipe, the water collecting pipe is uniformly provided with a plurality of water inlet holes, and water in the soil covering structure enters the water collecting pipe through the water inlet holes.