Chemical equipment and petrochemical thermal insulation pipeline

By applying anticorrosion primer layer, ceramic particle insulation layer and heat insulation layer on petrochemical insulation pipes, the problem of easy cracking and falling off of composite insulation layer materials is solved, and better insulation effect and corrosion resistance are achieved. Extend service life.

CN222297353UActive Publication Date: 2025-01-03GUANGDONG JIAYAN ENGINEERING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421520493.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-01-03
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing petrochemical insulation pipe composite insulation layer materials are prone to cracking, hollowing, falling off, etc., resulting in poor insulation effect and large heat loss, which affects the use effect.

Method used

The anticorrosion primer layer, ceramic particle insulation layer and heat insulation layer are successively coated on the outer side of the pipe main body of the petrochemical insulation pipeline. The anticorrosion primer layer has good bonding properties, the ceramic particle insulation layer has low thermal conductivity, and the heat insulation layer is insulated. It can reflect infrared heat and enhance corrosion resistance, weather resistance and anti-aging properties.

Benefits of technology

Effectively prevent the ceramic particle insulation layer from falling off, reduce heat conduction, improve insulation performance, enhance corrosion resistance, weather resistance and impact resistance, and extend service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to chemical equipment and a petrochemical heat preservation and insulation pipeline, the petrochemical heat preservation and insulation pipeline comprises a pipeline main body, an anti-corrosion primer layer, a ceramic particle heat preservation layer and a heat insulation layer, the pipeline main body is sequentially coated with the anti-corrosion primer layer, the ceramic particle heat preservation layer and the heat insulation layer, and the anti-corrosion primer layer has good bonding and anti-corrosion performance. The ceramic particle thermal insulation layer can be comprehensively bonded with the surface of the petrochemical thermal insulation pipeline, can be stably attached to the pipeline body, has a low heat conductivity coefficient, can effectively isolate heat conduction and reduce surface heat dissipation loss, and can play a good role in thermal insulation, so that the service life of the pipeline is prolonged, and the service life of the pipeline is prolonged. The heat insulation layer can play a role in heat insulation by reflecting infrared heat back to a heat source, has waterproof, anti-corrosion and anti-aging properties, and can endow the petrochemical heat preservation and heat insulation pipeline with excellent corrosion resistance, weather resistance and impact resistance, so that the petrochemical heat preservation and heat insulation pipeline has excellent heat preservation performance and long service life.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipelines, in particular to chemical equipment and petrochemical thermal insulation pipelines. Background Art

[0002] Petrochemical equipment is the abbreviation of petroleum and chemical equipment, specifically referring to the general term for equipment used in a series of processes from oil drilling to transportation to processing into chemical products.

[0003] In petrochemical equipment, petrochemical thermal insulation pipes refer to pipeline systems used to transport oil, natural gas, chemical products, etc., which play a vital role in the petrochemical industry. In order to protect the medium temperature in the pipeline and prevent it from decreasing and affecting production or transmission efficiency, it is usually necessary to coat the petrochemical thermal insulation pipes with composite insulation materials, so as to give the petrochemical thermal insulation pipes better heat resistance, acid and alkali resistance, weather resistance, and UV aging resistance, and can play the role of anti-corrosion, heat preservation and protection for petrochemical thermal insulation pipes.

[0004] However, the composite insulation layer materials on the existing petrochemical thermal insulation pipes are prone to cracking, hollowing, falling off, etc., resulting in poor thermal insulation effect and large heat loss of the petrochemical thermal insulation pipes, thus affecting the use effect of the petrochemical thermal insulation pipes. Utility Model Content

[0005] Based on this, it is necessary to provide a chemical equipment and petrochemical thermal insulation pipeline.

[0006] The utility model solves the above technical problems with the following technical solutions: A petrochemical thermal insulation pipeline, comprising:

[0007] Pipeline body;

[0008] an anticorrosive primer layer, wherein a first surface of the anticorrosive primer layer is connected to an outer surface of the pipeline body;

[0009] A ceramic particle insulation layer, wherein a first surface of the ceramic particle insulation layer is connected to a second surface of the anticorrosive primer layer;

[0010] A heat insulating layer is connected to the second surface of the ceramic particle thermal insulation layer.

[0011] In one embodiment, the particle size of the ceramic particles in the ceramic particle insulation layer is 40 μm-60 μm.

[0012] In one embodiment, a plurality of convex patterns are arranged on the pipe body, and the convex patterns are evenly distributed on the outer surface of the pipe body.

[0013] In one embodiment, the anti-corrosion primer layer has a thickness of 300 μm-500 μm.

[0014] In one embodiment, the ceramic particle insulation layer has a thickness of 500 μm-1500 μm.

[0015] In one embodiment, the thickness of the thermal insulation layer is 300 μm-700 μm.

[0016] The utility model also provides a chemical equipment, comprising the petrochemical thermal insulation pipeline described in any one of the above embodiments.

[0017] The beneficial effects of the utility model are as follows: the utility model provides a petrochemical thermal insulation pipe and chemical equipment, in which an anti-corrosion primer layer, a ceramic particle thermal insulation layer and a thermal insulation layer are sequentially coated on the outer surface of the pipe body; the anti-corrosion primer layer has good bonding and anti-corrosion properties, can be fully bonded to the surface of the petrochemical thermal insulation pipe, has strong integrity and good waterproof performance, can well adapt to the bonding of various special-shaped surfaces, can stably attach the ceramic particle thermal insulation layer to the outer surface of the pipe body, the ceramic particle thermal insulation layer has a low thermal conductivity, can effectively isolate the conduction of heat, reduce surface heat dissipation loss, and can play a good thermal insulation role; the thermal insulation layer can play a role of thermal insulation by reflecting most of the infrared heat back to the heat source, can further isolate the conduction of heat, and also has waterproof, anti-corrosion and anti-aging properties, can give the petrochemical thermal insulation pipe excellent corrosion resistance, weather resistance and impact resistance, so that the petrochemical thermal insulation pipe has excellent thermal insulation performance, high structural strength and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The figure is a schematic diagram of the cross-sectional structure of a petrochemical thermal insulation pipe according to an embodiment.

[0020] In the attached drawings, 10 is a petrochemical thermal insulation pipe; 100 is a pipe body; 200 is an anticorrosive primer layer; 300 is a ceramic particle insulation layer; and 400 is a thermal insulation layer. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The technical solution of the present invention will be further described below in conjunction with the drawings of the embodiments of the present invention, and the present invention is not limited to the following specific implementation methods.

[0022] It should be understood that the same or similar numbers in the drawings of the embodiments correspond to the same or similar parts. In the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom" and the like indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0023] In one embodiment, Figure 1 As shown, a petrochemical thermal insulation pipe 10 includes: a pipe body 100, an anti-corrosion primer layer 200, a ceramic particle insulation layer 300 and a thermal insulation layer 400, wherein the first surface of the anti-corrosion primer layer 200 is connected to the outer surface of the pipe body 100, the first surface of the ceramic particle insulation layer 300 is connected to the second surface of the anti-corrosion primer layer 200, and the thermal insulation layer 400 is connected to the second surface of the ceramic particle insulation layer 300.

[0024] In this embodiment, the outer surface of the pipeline body 100 is coated with an anticorrosive primer layer 200, a ceramic particle insulation layer 300 and a thermal insulation layer 400 in sequence. The anticorrosive primer layer 200 has good bonding properties, and can stably attach the ceramic particle insulation layer 300 to the outer surface of the pipeline body 100, and can fully bond with the surface of the petrochemical thermal insulation pipeline, thereby avoiding bulging and falling off. The ceramic particle insulation layer 300 has a low thermal conductivity, which can effectively isolate the conduction of heat, reduce surface heat dissipation loss, and play a good role in thermal insulation. , coating a layer of ceramic particle insulation layer 300 with a thickness of 500μm-1500μm can achieve a good insulation effect. The insulation layer 400 plays a role of insulation by reflecting most of the infrared heat back to the heat source, which can further isolate the conduction of heat. At the same time, it also has waterproof, anti-corrosion and anti-aging properties, which can prevent moisture from penetrating inward and avoid cracking. It can give the petrochemical thermal insulation pipe 10 excellent corrosion resistance, weather resistance and impact resistance, so that the petrochemical thermal insulation pipe 10 has excellent insulation performance, high structural strength and long service life.

[0025] In one embodiment, the particle size of the ceramic particles in the ceramic particle insulation layer 300 is 40μm-60μm. Specifically, the ceramic particle insulation layer 300 is formed by curing the ceramic particle insulation coating. The ceramic particles are a kind of tiny granular ceramic material with a variety of excellent physical and chemical properties. The particle size of the ceramic particles is 40μm-60μm, which has a high specific surface area, so that the ceramic particle insulation layer 300 has good bonding performance. The ceramic particles also have high thermal stability and chemical stability, which can give the ceramic particle insulation layer 300 high strength, high thermal stability and high wear resistance, so that the petrochemical thermal insulation pipe 10 has excellent heat reflection and thermal insulation performance.

[0026] In one embodiment, the anticorrosive primer layer 200 is a latex layer. Specifically, the anticorrosive primer layer 200 is made of high temperature resistant latex, which can enhance the bonding force between the ceramic particle insulation layer 300 and the pipeline base layer, so that the anticorrosive primer layer 200 has good bonding performance, can prevent peeling and shedding, and can stably attach the ceramic particle insulation layer 300 to the outer surface of the pipeline body 100.

[0027] In one embodiment, the thermal insulation layer 400 is a high-density protective coating layer. Specifically, the high-density protective coating layer is formed by solidifying the high-density protective coating. For example, the high-density protective coating is an elastic coating, which is formed by reacting a variety of modified resins, special transparent methyl vinyl high-viscosity silicone resins, coupling agents, surfactants, and a variety of pigments and fillers, and adding a curing agent. Since the reaction products in the polymer protective coating are rich in a variety of functional groups and chemical bonds, the formed high-density protective coating layer is flexible and rigid, and the high-density protective coating layer has the characteristics of being dense, continuous, and seamless, which can completely isolate the infiltration of moisture and oxygen in the air, and has excellent anti-corrosion and protective properties, and can give the petrochemical thermal insulation pipe 10 excellent wear resistance, waterproofness, impact resistance, fatigue resistance, aging resistance, high temperature resistance and other properties.

[0028] In one embodiment, the pipe body 100 is provided with a plurality of convex patterns, and each of the convex patterns is evenly distributed on the outer surface of the pipe body 100. Specifically, by evenly distributing each of the convex patterns on the pipe body 100, the surface area of ​​the pipe body 100 can be increased, that is, the contact area between the pipe body 100 and the anticorrosive primer layer 200 can be increased, and the ceramic particle insulation layer 300 can be stably attached to the outer surface of the pipe body 100, which can better avoid the occurrence of bulging and falling off, so that the petrochemical thermal insulation pipe 10 has excellent thermal insulation performance.

[0029] In one embodiment, the thickness of the anticorrosion primer layer 200 is 300 μm-500 μm. Specifically, the anticorrosion primer layer 200 has good bonding properties, and can stably attach the ceramic particle insulation layer 300 to the outer surface of the pipeline body 100. The thickness of the anticorrosion primer layer 200 can be adjusted according to the bonding requirements of the ceramic particle insulation layer 300, and is not specifically limited in this embodiment. For example, the thickness of the anticorrosion primer layer 200 is 300 μm, and for another example, the thickness of the anticorrosion primer layer 200 is 500 μm, both of which can stably attach the ceramic particle insulation layer 300 to the outer surface of the pipeline body 100.

[0030] In one embodiment, the thickness of the ceramic particle insulation layer 300 is 500μm-1500μm. Specifically, the ceramic particle insulation layer 300 has a low thermal conductivity, can effectively isolate the conduction of heat, reduce heat loss, and can play a good role in heat preservation. The thickness of the ceramic particle insulation layer 300 can be adjusted according to the insulation requirements of the petrochemical thermal insulation pipe 10. It is not specifically limited in this embodiment. For example, the thickness of the ceramic particle insulation layer 300 is 500μm, and for another example, the thickness of the ceramic particle insulation layer 300 is 1500μm, both of which can make the petrochemical thermal insulation pipe 10 have excellent thermal insulation performance.

[0031] In one embodiment, the thickness of the thermal insulation layer 400 is 300 μm-700 μm. Specifically, the thermal insulation layer 400 can further isolate the conduction of heat, and can give the petrochemical thermal insulation pipe 10 excellent corrosion resistance, weather resistance and impact resistance. The thickness of the thermal insulation layer 400 can be adjusted according to the protection requirements of the petrochemical thermal insulation pipe 10, and is not specifically limited in this embodiment. For example, the thickness of the thermal insulation layer 400 is 300 μm, and for another example, the thickness of the thermal insulation layer 400 is 700 μm, both of which can make the petrochemical thermal insulation pipe 10 have good structural strength and long service life.

[0032] The utility model also provides a chemical equipment, including the petrochemical thermal insulation pipe 10 described in any one of the above embodiments. It is worth noting that the petrochemical thermal insulation pipe 10 of the chemical equipment is coated with an anti-corrosion primer layer 200, a ceramic particle thermal insulation layer 300 and a thermal insulation layer 400 in sequence, which can give the petrochemical thermal insulation pipe 10 excellent corrosion resistance, weather resistance and impact resistance, so that the petrochemical thermal insulation pipe 10 has excellent thermal insulation performance, high structural strength and long service life.

[0033] Compared with the prior art, the utility model has at least the following advantages:

[0034] The utility model provides a chemical equipment and petrochemical thermal insulation pipe, in which an anti-corrosion primer layer, a ceramic particle thermal insulation layer and a thermal insulation layer are sequentially coated on the outer surface of the pipe body. The anti-corrosion primer layer has good bonding and anti-corrosion properties, can be fully bonded to the surface of the petrochemical thermal insulation pipe, has strong integrity and good waterproof performance, can well adapt to the bonding of various special-shaped surfaces, can stably attach the ceramic particle thermal insulation layer to the outer surface of the pipe body, the ceramic particle thermal insulation layer has a low thermal conductivity, can effectively isolate the conduction of heat, reduce surface heat dissipation loss, and can play a good thermal insulation role, the thermal insulation layer can play a thermal insulation role by reflecting most of the infrared heat back to the heat source, can further isolate the conduction of heat, and also has waterproof, anti-corrosion and anti-aging properties, can give the petrochemical thermal insulation pipe excellent corrosion resistance, weather resistance and impact resistance, so that the petrochemical thermal insulation pipe has excellent thermal insulation performance, high structural strength and long service life.

[0035] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A petrochemical thermal insulation pipeline, characterized in that: include: Pipeline body; an anticorrosive primer layer, wherein a first surface of the anticorrosive primer layer is connected to an outer surface of the pipeline body; A ceramic particle insulation layer, wherein a first surface of the ceramic particle insulation layer is connected to a second surface of the anticorrosive primer layer; A heat insulating layer is connected to the second surface of the ceramic particle thermal insulation layer.

2. The petrochemical thermal insulation pipe according to claim 1, characterized in that: The particle size of the ceramic particles in the ceramic particle insulation layer is 40 μm-60 μm.

3. The petrochemical thermal insulation pipeline according to claim 1 is characterized in that: The pipe body is provided with a plurality of convex patterns, and each of the convex patterns is evenly distributed on the outer surface of the pipe body.

4. The petrochemical thermal insulation pipeline according to claim 1 is characterized in that: The thickness of the anticorrosive primer layer is 300 μm-500 μm.

5. The petrochemical thermal insulation pipeline according to claim 1 is characterized in that: The thickness of the ceramic particle insulation layer is 500 μm-1500 μm.

6. The petrochemical thermal insulation pipeline according to claim 1, characterized in that: The thickness of the heat insulation layer is 300 μm-700 μm.

7. A chemical equipment, characterized in that: The invention comprises the petrochemical thermal insulation pipe as described in any one of claims 1 to 6.