Storage tank and surface thermal insulation composite coating structure thereof

Abstract

The utility model discloses a storage tank and a surface thermal insulation composite coating structure thereof, which belong to the technical field of petroleum and chemical equipment, and comprise a storage tank body, a translation sealing assembly for translating and controlling the circulation of a pipeline, and a gas guide and liquid collection assembly for collecting liquid and exhausting gas, the translation sealing assemblies are installed on the outer wall of the storage tank body, the gas guiding and liquid collecting assemblies are installed at the lower ends of the translation sealing assemblies, and the five translation sealing assemblies and the five gas guiding and liquid collecting assemblies are distributed around the axis of the storage tank body at equal intervals. The translation sealing assembly comprises a conveying pipe, a connecting pipe, a fixing plate, a baffle and an air cylinder. By means of the mode, paraxylene overflowing from the storage tank is collected and treated, volatile gas is prevented from leaking, the recycling rate is increased, meanwhile, heat preservation and heat insulation are conducted on the surface of the storage tank through the coating, and internal liquid consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum and chemical equipment technical field, concretely relates to a storage tank and surface heat preservation composite coating structure. BACKGROUND

[0002] In prior art, PX (p-xylene) storage tank is built in outdoor, and the internal liquid is evaporated and consumed greatly under the influence of outside, and the overflow liquid is directly discharged from the exhaust port.

[0003] Among numerous prior art, Chinese patent application CN212840670U discloses a large storage tank, comprising: outer tank, fixed on the foundation;Inner tank, provided in the outer tank body, and fixed on the foundation in the outer tank body, the inner tank and the outer tank have interval;Connecting assembly, arranged between the inner tank and the outer tank of the large storage tank, the connecting assembly includes anchor belt and connecting plate, one end of the anchor belt is fixed on the foundation, the other end is connected with the connecting plate, the periphery of the connecting plate is welded and fixed with the inner tank, the connecting plate is also provided with plug welding hole, the plug welding hole is filled with plug welding layer, the plug welding layer is welded and connected with the connecting plate and the inner tank.

[0004] However, the problem of liquid leakage in the storage tank has not been solved in the patent technology, and the storage tank is not added with coating for heat preservation and insulation treatment.

[0005] Based on this, the utility model discloses a kind of storage tank and surface heat preservation composite coating structure to solve above problem. INVENTION CONTENTS

[0006] In view of the above shortcomings of prior art, the utility model provides a kind of storage tank and surface heat preservation composite coating structure.

[0007] To achieve the above purposes, the utility model is realized by the following technical solutions:

[0008] A kind of storage tank, including storage tank body, also include the translation sealing assembly for translation control pipeline flow and the gas guide liquid collection assembly for collecting liquid and exhausting;The translation sealing assembly is installed on the outer wall of storage tank body, the gas guide liquid collection assembly is installed on the lower end of translation sealing assembly, the translation sealing assembly and gas guide liquid collection assembly are provided with five groups and around the axis of storage tank body equidistant distribution;

[0009] The translation sealing assembly includes a conveying pipe, a connecting pipe, a fixed plate, a baffle and a cylinder; an exhaust port is formed in the outer wall of an exhaust pipe on the storage tank body, the lower end of the exhaust pipe on the storage tank body is fixedly connected with the conveying pipe and communicates with the conveying pipe, the connecting pipe is fixedly installed on the side wall of the conveying pipe and communicates with the conveying pipe, the outer wall of the conveying pipe is fixedly connected with the fixed plate, the fixed plate is fixedly installed on the outer wall of the storage tank body, the baffle is attached to the inner wall of the conveying pipe, the inner side walls of the conveying pipe and the connecting pipe are provided with sliding grooves matched with the baffle for limiting sliding, the baffle is fixedly connected with the output end of the cylinder, the cylinder is fixedly installed on the inner wall of the connecting pipe, and the conveying pipe is connected with the gas guiding and liquid collecting assembly.

[0010] Further, the lower end surface of the connecting pipe is an arc surface.

[0011] Further, the fixed plate is provided with two groups and is distributed upwards and downwards along the conveying pipe.

[0012] Further, the gas guiding and liquid collecting assembly includes a connecting pipe and a liquid collecting barrel; the connecting pipe is fixedly installed on the lower end of the conveying pipe and communicates with the conveying pipe, and the outer wall of the connecting pipe is screw-connected with the liquid collecting barrel.

[0013] Further, the gas guiding and liquid collecting assembly further includes a gas guiding pipe; the gas guiding pipe is fixedly installed on the side end of the conveying pipe and communicates with the conveying pipe.

[0014] A surface heat preservation composite coating structure for the storage tank comprises, from inside to outside, one primer, five to seven water-based ceramic particle heat preservation type heat insulation paints and three to five topcoats.

[0015] Further, the surface heat preservation composite coating structure comprises, from inside to outside, one primer, six water-based ceramic particle heat preservation type heat insulation paints and four topcoats.

[0016] Further, the total thickness of the six water-based ceramic particle heat preservation type heat insulation paints is not less than one thousand micrometers, and the total thickness of the four topcoats is not less than two hundred micrometers.

[0017] Compared with the prior art, the utility model has the advantages that: 1, the utility model for, through the gas guiding and liquid collecting assembly collection flows down liquid and to the gas export processing, through the exhaust port to the storage tank body and the outside air flow, maintain the air pressure stability in the storage tank body, when need to carry out overflow liquid guiding, the output end of the cylinder drives the baffle to move along the sliding groove to the direction close to the cylinder, the baffle is placed in the connecting pipe, at this time, the overflow liquid in the storage tank body flows out from the exhaust pipe on the storage tank body, flows into the conveying pipe, and finally flows into the gas guiding and liquid collecting assembly, when there is no overflow liquid, the cylinder drives the baffle to move and blocks the upper part of the conveying pipe, at this time, the conveying pipe and the gas guiding and liquid collecting assembly form a sealed space, if the residual liquid in the inner wall of the conveying pipe volatilizes, the gas is sealed in the conveying pipe, the connecting pipe and the gas guiding and liquid collecting assembly, and leakage is avoided.

[0018] 2、The utility model uses, the baffle is placed in the connecting pipe, the gas volatilization in the pipe is condensed and adhered to the lower end surface of the baffle, and when dropping, it flows into the conveying pipe along the camber of the connecting pipe, falls into the gas guide liquid collection assembly, and the recovery rate is improved;Two groups of fixed plates make the fixation of the conveying pipe more stable;

[0019] 3、The utility model uses, liquid flows into the connecting pipe from the conveying pipe, and finally flows into the liquid collection barrel, and the liquid collection barrel collects liquid;Rotating the liquid collection barrel, taking down the liquid collection barrel from the connecting pipe, and carrying out subsequent recovery treatment;The gas generated by the volatilization of the residual liquid on the inner wall of the conveying pipe is absorbed to the outside gas treatment device through the gas guide pipe for further recovery treatment, improving the utilization rate, and avoiding a large amount of gas leakage when the liquid collection barrel is taken down;

[0020] 4、The utility model uses, the primer carries out preliminary corrosion protection treatment to the storage tank body, and the water-based ceramic particle heat preservation type heat insulation paint is suitable for heat preservation of the storage tank body, has the characteristics of light weight, environmental protection, nontoxic and beautiful, and the finish further carries out heat preservation to the storage tank body;The increase of the coating thickness further reduces the heat loss, and good heat preservation effect is realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0022] Figure 1 It is a perspective view of a storage tank of the utility model Figure 1 ;

[0023] Figure 2 It is a front view of a storage tank of the utility model

[0024] Figure 3 It is a perspective view of a storage tank of the utility model Figure 2 ;

[0025] Figure 4 It is a perspective view along the A-A direction of Figure 2 ;

[0026] Figure 5 It is an enlarged view of B in Figure 4 .

[0027] The numbers in the drawing respectively represent:

[0028] 1. Storage tank body; 2. Translational sealing assembly; 21. Exhaust port; 22. Delivery pipe; 23. Connecting pipe; 24. Fixed plate; 25. Baffle; 26. Slide; 27. Cylinder; 3. Air guide and liquid collection assembly; 31. Connecting pipe; 32. Liquid collection barrel; 33. Air guide pipe. DETAILED DESCRIPTION

[0029] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0030] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0031] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figures 1-5 A storage tank includes a storage tank body 1, a translation sealing assembly 2 for translationally controlling the flow of a pipeline, and an air-guiding and liquid-collecting assembly 3 for collecting liquid and exhausting gas; the translation sealing assembly 2 is mounted on the outer wall of the storage tank body 1, and the air-guiding and liquid-collecting assembly 3 is mounted on the lower end of the translation sealing assembly 2. The translation sealing assembly 2 and the air-guiding and liquid-collecting assembly 3 are provided in five groups and are evenly spaced around the axis of the storage tank body 1;

[0032] The translation sealing assembly 2 includes a delivery pipe 22, a connecting pipe 23, a fixed plate 24, a baffle 25 and a cylinder 27; an exhaust port 21 is provided on the outer wall of the exhaust pipe on the tank body 1, and the lower end of the exhaust pipe on the tank body 1 is fixedly connected to the delivery pipe 22 and communicated with the delivery pipe 22, the connecting pipe 23 is fixedly installed on the side wall of the delivery pipe 22 and communicated with the delivery pipe 22, the outer wall of the delivery pipe 22 is fixedly connected to the fixed plate 24, the fixed plate 24 is fixedly installed on the outer wall of the tank body 1, the baffle 25 is fitly connected to the inner wall of the delivery pipe 22, the inner side walls of the delivery pipe 22 and the connecting pipe 23 are provided with a slide groove 26 for cooperating with the baffle 25 to limit the sliding, the baffle 25 is fixedly connected to the output end of the cylinder 27, the cylinder 27 is fixedly installed on the inner wall of the connecting pipe 23, and the delivery pipe 22 is connected to the air guiding and liquid collecting assembly 3.

[0033] The utility model discloses when using, through the air -guiding and liquid collecting subassembly 3 collection flowing liquid and export handling to gas, through the air -outlet 21 to the storage tank body 1 and the outside air circulation, maintain the air pressure stability in the storage tank body 1, when needing to carry out overflow liquid diversion, the output end of pneumatic cylinder 27 drives baffle 25 to move along the direction of approaching pneumatic cylinder 27 along the sliding slot 26, and baffle 25 is placed in the inside connection pipe 23, at this time, the overflow liquid in the storage tank body 1 flows out from the air pipe on the storage tank body 1, flows into the conveying pipe 22, and finally flows into the air -guiding and liquid collecting subassembly 3, when there is no overflow liquid, pneumatic cylinder 27 drives baffle 25 to move and block the upper portion of conveying pipe 22, at this time, conveying pipe 22 and air -guiding and liquid collecting subassembly 3 form airtight space, and if the residual liquid in the inner wall of conveying pipe 22 volatilizes, the gas is sealed in conveying pipe 22, connection pipe 23 and air -guiding and liquid collecting subassembly 3, to avoid leakage.

[0034] The lower end face of the connection pipe 23 is an arc face.

[0035] When baffle 25 is placed in connection pipe 23 during use, the gas volatilized in the pipe condenses and adheres to the lower end face of baffle 25, and drips into conveying pipe 22 along the arc face of connection pipe 23 and into air -guiding and liquid collecting subassembly 3, thereby improving the recovery rate.

[0036] The fixing plate 24 is provided with two groups and is distributed up and down along the conveying pipe 22.

[0037] When using the utility model, the two groups of fixing plates 24 make the fixing of the conveying pipe 22 more stable.

[0038] The air -guiding and liquid collecting subassembly 3 includes a connecting pipe 31 and a liquid collecting barrel 32; the connecting pipe 31 is fixedly installed at the lower end of the conveying pipe 22 and communicates with the conveying pipe 22, and the outer wall of the connecting pipe 31 is screw-connected with the liquid collecting barrel 32.

[0039] When using the utility model, the liquid flows into the connecting pipe 31 from the conveying pipe 22 and finally flows into the liquid collecting barrel 32, and the liquid collecting barrel 32 collects the liquid; the liquid collecting barrel 32 is rotated and taken off from the connecting pipe 31 for subsequent recovery treatment.

[0040] The air -guiding and liquid collecting subassembly 3 further includes an air guide pipe 33; the air guide pipe 33 is fixedly installed at the side end of the conveying pipe 22 and communicates with the conveying pipe 22.

[0041] When using the utility model, the gas generated by the volatilization of the residual liquid in the inner wall of the conveying pipe 22 is absorbed by the air guide pipe 33 to an external gas treatment device for further recovery treatment, thereby improving the utilization rate and avoiding a large amount of gas leakage when the liquid collecting barrel 32 is taken off.

[0042] The surface thermal insulation composite coating structure for the storage tank comprises, from inside to outside, a primer, five to seven layers of water-based ceramic particle thermal insulation paint and three to five layers of topcoat, wherein the water-based ceramic particle thermal insulation paint is the water-based ceramic particle thermal insulation paint produced by Zhengzhou Youboko New Material Co., Ltd.

[0043] When the surface thermal insulation composite coating structure is used, the primer performs preliminary corrosion protection treatment on the storage tank body 1; the water-based ceramic particle thermal insulation paint is suitable for thermal insulation of the storage tank body 1, has low thermal conductivity, good thermal insulation effect, acid and alkali resistance, ultraviolet resistance, a service life of more than 15 years, high elongation, a combustion grade of A1, no harmful organic volatile substances, light weight, environmental protection, aesthetic appearance, strong adhesion, integral bonding with the primer, no toxic, harmful and irritating gases, safe and environmentally friendly application process, and further thermal insulation of the storage tank body 1 by the topcoat.

[0044] The surface thermal insulation composite coating structure comprises, from inside to outside, a primer, six layers of water-based ceramic particle thermal insulation paint and four layers of topcoat; the total thickness of the six layers of water-based ceramic particle thermal insulation paint is not less than 1,000 mu m, and the total thickness of the four layers of topcoat is not less than 200 mu m.

[0045] When the surface thermal insulation composite coating structure is used, the increase of the coating thickness further reduces heat dissipation loss and realizes good thermal insulation effect.

[0046] The above examples are only used to illustrate the technical solutions of the surface thermal insulation composite coating structure, and not to limit the surface thermal insulation composite coating structure; although the surface thermal insulation composite coating structure has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the surface thermal insulation composite coating structure.

Claims

1. A tank comprising a tank body (1), characterised in that: The translation sealing assembly (2) and the gas guiding and liquid collecting assembly (3) are further included. The translation sealing assembly (2) is installed on the outer wall of the tank body (1), and the gas guiding and liquid collecting assembly (3) is installed on the lower end of the translation sealing assembly (2). The translation sealing assembly (2) includes a conveying pipe (22), a connecting pipe (23), a fixed plate (24), a baffle (25) and a gas cylinder (27). The outer wall of the exhaust pipe on the tank body (1) is provided with an exhaust port (21), the lower end of the exhaust pipe on the tank body (1) is fixedly connected with the conveying pipe (22) and communicates with the conveying pipe (22), the connecting pipe (23) is fixedly installed on the side wall of the conveying pipe (22) and communicates with the conveying pipe (22), the outer wall of the conveying pipe (22) is fixedly connected with the fixed plate (24), the fixed plate (24) is fixedly installed on the outer wall of the tank body (1), the baffle (25) is connected with the inner wall of the conveying pipe (22), the inner side walls of the conveying pipe (22) and the connecting pipe (23) are provided with sliding grooves (26) matched with the baffle (25) for limiting sliding, the baffle (25) is fixedly connected with the output end of the gas cylinder (27), the gas cylinder (27) is fixedly installed on the inner wall of the connecting pipe (23), and the conveying pipe (22) is connected with the gas guiding and liquid collecting assembly (3).

2. The tank of claim 1, wherein, The lower end surface of the connecting pipe (23) is an arc surface.

3. The tank of claim 1, wherein, The fixed plate (24) is provided with two groups and is distributed upwards and downwards along the conveying pipe (22).

4. The tank of claim 1, wherein, The gas guiding and liquid collecting assembly (3) includes a connecting pipe (31) and a liquid collecting barrel (32). The connecting pipe (31) is fixedly installed on the lower end of the conveying pipe (22) and communicates with the conveying pipe (22), and the outer wall of the connecting pipe (31) is threadedly connected with the liquid collecting barrel (32).

5. The tank of claim 1, wherein, The gas guiding and liquid collecting assembly (3) further includes a gas guiding pipe (33). The gas guiding pipe (33) is fixedly installed on the side end of the conveying pipe (22) and communicates with the conveying pipe (22).

6. A surface thermal insulation composite coating structure for the storage tank according to any one of claims 1 to 5, characterized by The ceramic particle heat preservation type water-based paint includes one base paint, six water-based ceramic particle heat preservation type heat insulation paints and four topcoats.

7. The surface thermal insulation composite coating structure according to claim 6, wherein The ceramic particle heat preservation type water-based paint includes one base paint, six water-based ceramic particle heat preservation type heat insulation paints and four topcoats.

8. The surface thermal insulation composite coating structure according to claim 7, wherein, The total thickness of the six water-based ceramic particle heat preservation type heat insulation paints is not less than 1,000 μm, and the total thickness of the four topcoats is not less than 200 μm.

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